IYPT Proceedings Book 2010—2011
Table of contents and galley proofs
Introductory words
Editorial: on attracting and reviewing submissions
Ilya Martchenko 1, 2
1 University of Fribourg, Switzerland
2 Lund University, Sweden
Download: [pdf] [doc]
Email: ilya.martchenko@unifr.ch (I. M.)
The International Young Physicists’ Tournament (IYPT)
Gunnar Tibell 1
1 Uppsala University, Sweden
Download: [pdf] [doc]
Email: gunnar.tibell@physics.uu.se (G. T.)
2010
No. 1, Electromagnetic cannon: Measurements and simulations of the terminal velocity of a projectile *
Saba Zargham 1 and Hamid Ghaednia 2
* Team of Iran, IYPT 2010
1 Sharif University of Technology, Iran
2 Amirkabir University of Technology, Iran
Corresponding authors: saba.zargham@gmail.com (S. Z.),
ghaednia.hamid@gmail.com (H. G.)
Download: [pdf] [docx]
No. 2, Brilliant pattern: Caustics and optical catastrophes in an illuminated water droplet *
Łukasz Gładczuk 1
* Team of Poland, IYPT 2010
1 Stanisław Staszic XIV High School, Warsaw, Poland
Corresponding author: lukaszgladczuk@gmail.com (Ł. G.)
Download: [pdf] [doc]
No. 4, Soap film: Deflection in uniform and radial electric fields *
Una Pale 1
* Team of Croatia, IYPT 2010
1 University of Zagreb, Croatia
Corresponding author: una.pale@gmail.com (U. P.)
Download: [pdf] [doc]
No. 4, Soap film: Interactions with charged bodies of various shapes and the discharge asymmetry with respect to the polarity change *
Alexander Barnaveli 1
* Team of Georgia, IYPT 2010
1 Ilia Vekua Physical and Mathematical School 42, Tbilisi, Georgia
Corresponding author: s.barnaveli@gmail.com (A. B.)
Download: [pdf] [docx]
No. 6, Ice: Regelation effect revisited *
Stanislav Krasulin 1
* Team of Belarus, AYPT 2010
1 Belarusian State University, Belarus
Corresponding author: s.krasulin@gmail.com (S. K.)
Download: [pdf] [docx]
No. 8, Liquid light guide: Reflections in the Colladon fountain *
Una Pale 1
* Team of Croatia, IYPT 2010
1 University of Zagreb, Croatia
Corresponding author: una.pale@gmail.com (U. P.)
Download: [pdf] [doc]
No. 13, Shrieking rod: Compression, bending and torsional waves in a metal rod *
Alexander Barnaveli 1
* Team of Georgia, IYPT 2010
1 Ilia Vekua Physical and Mathematical School 42, Tbilisi, Georgia
Corresponding author: s.barnaveli@gmail.com (A. B.)
Download: [pdf] [docx]
No. 13, Shrieking rod: Investigating the sound produced by hitting a metal rod *
Zahra Karimi 1
* Team of Iran, IYPT 2010
1 Sharif University of Technology, Iran
Corresponding author: sh.z.k.93@gmail.com (Z. K.)
Download: [pdf] [doc]
No. 14, Magnetic spring: Vertical oscillations in a system of two magnets *
Igor Marković 1
* Team of Croatia, IYPT 2010
1 University of Zagreb, Croatia
Corresponding author: imarkov@dominis.phy.hr (I. M.)
Download: [pdf] [doc]
No. 15, Paper anemometer: Autocorrelation analysis of the noise from a fluttering paper strip *
Igor Marković 1
* Team of Croatia, IYPT 2010
1 University of Zagreb, Croatia
Corresponding author: imarkov@dominis.phy.hr (I. M.)
Download: [pdf] [doc]
No. 16, Rotating spring: A numerical and experimental analysis on the expansion of horizontally rotating helical springs *
Reza Montazeri Namin 1
* Team of Iran, IYPT 2010
1 Sharif University of Technology, Iran
Corresponding author: namin@mech.sharif.edu (R. M. N.)
Download: [pdf] [docx]
No. 17, Kelvin’s dropper: Water-dropping electrostatic generator revisited *
Alexander Barnaveli 1
* Team of Georgia, IYPT 2010
1 Ilia Vekua Physical and Mathematical School 42, Tbilisi, Georgia
Corresponding author: s.barnaveli@gmail.com (A. B.)
Download: [pdf] [docx]
2011
No. 1, Adhesive tape: Static and dynamic measurements of the detachment force *
Katharina Ehrmann 1
* Team of Austria, IYPT 2011
1 University of Innsbruck, Austria
Corresponding author: k.ehrmann@hotmail.com (K. E.)
Download: [pdf] [docx]
No. 1, Adhesive tape: Elastic properties and dynamics of a detaching tape *
Stanislav Krasulin 1
* Team of Belarus, IYPT 2011
1 Belarusian State University, Belarus
Corresponding author: s.krasulin@gmail.com (S. K.)
Download: [pdf] [docx]
No. 1, Adhesive tape: Detachment energy, a model and an experimental analysis *
Nives Bohačić 1
* Team of Croatia, IYPT 2011
1 University of Zagreb, Croatia
Corresponding author: nives.bonacic@hotmail.com (N. B.)
Download: [pdf] [docx]
No. 1, Adhesive tape: Energy analysis and numerical simulation *
Hossein Azizinaghsh 1 and Hamid Ghaednia 2
* Team of Iran, IYPT 2011
1 Sharif University of Technology, Iran
2 Amirkabir University of Technology, Iran
Corresponding authors: hossein.azizi@gmail.com (H. A.),
ghaednia.hamid@gmail.com (H. G.)
Download: [pdf] [docx]
No. 3, Bouncing flame: Flames in a horizontal electric field, deviation and oscillation *
Rojin Anbarafshan, 1 Hossein Azizinaghsh, 2 and Reza Montazeri Namin 2
* Team of Iran, IYPT 2011
1 Rahe Roshd High School, Tehran, Iran
2 Sharif University of Technology, Iran
Corresponding authors: rojin.anbarafshan@gmail.com (R. A.),
hossein.azizi@gmail.com (H. A.), namin@mech.sharif.edu (R. M. N.)
Download: [pdf] [docx]
No. 4, Breaking spaghetti: Impact deformation and bending waves *
Yulia Peregud 1
* Team of Belarus, AYPT 2011
1 Belarusian State University Lyceum, Minsk, Belarus
Corresponding author: svann11@mail.ru (Yu. P.)
Download: [pdf] [doc]
No. 4, Breaking spaghetti: Effect of material, impact velocity and orientation on the probability of fracture *
Stanislav Krasulin 1
* Team of Belarus, IYPT 2011
1 Belarusian State University, Belarus
Corresponding author: s.krasulin@gmail.com (S. K.)
Download: [pdf] [docx]
No. 4, Breaking spaghetti: Analysis and measurement of fracture as a function of impact velocities and angles *
Hamid Ghaednia 1 and Hossein Azizinaghsh 2
* Team of Iran, IYPT 2011
1 Amirkabir University of Technology, Iran
2 Sharif University of Technology, Iran
Corresponding authors: ghaednia.hamid@gmail.com (H. G.),
hossein.azizi@gmail.com (H. A.)
Download: [pdf] [docx]
No. 4, Breaking spaghetti: A theoretical insight into the probability of fracture *
Matej Večerík, 1 Tomáš Kulich, 2 and Michal Hledík 3
* Team of Slovakia, IYPT 2011 and Team of Slovakia, AYPT 2011
1 School for Exceptionally Gifted Children and Grammar School, Bratislava, Slovakia
2 Comenius University, Slovakia
3 Gymnázium Juraja Hronca, Bratislava, Slovakia
Corresponding author: matejvecerik@gmail.com (M. V.)
Download: [pdf] [doc] [odt]
No. 5, Car: Effect of nozzles, wheels, and balloon elastic properties on the range of a balloon powered car *
Stanislav Krasulin 1
* Team of Belarus, IYPT 2011
1 Belarusian State University, Belarus
Corresponding author: s.krasulin@gmail.com (S. K.)
Download: [pdf] [docx]
No. 5, Car: A study of aerodynamic and general properties of a balloon powered car *
Bárbara Cruvinel Santiago 1
* Team of Brazil, IYPT 2011
1 Colégio Objetivo, Santos, Brazil
Corresponding author: barbaracruvinel_santiago@yahoo.com.br (B. C. S.)
Download: [pdf] [docx]
No. 5, Car: Behaviour of the balloon in a moving rocket-type car *
Nives Bohačić 1
* Team of Croatia, IYPT 2011
1 University of Zagreb, Croatia
Corresponding author: nives.bonacic@hotmail.com (N. B.)
Download: [pdf] [docx]
No. 5, Car: Energy losses and efficiency in a balloon powered car *
Parham Zendedel Nobari, 1 Reza Montazeri Namin, 2 and Hossein Azizinaghsh 2
* Team of Iran, IYPT 2011
1 Mofid Gheytarie High School, Tehran, Iran
2 Sharif University of Technology, Iran.
Corresponding authors: pzn1995@gmail.com (P. Z. N.), namin@mech.sharif.edu (R. M. N.), hossein.azizi@gmail.com (H. A.)
Download: [pdf] [docx]
No. 8, Domino amplifier: A numerical analysis of the motion in a chain of dominoes *
Alireza Tahmaseb Zadeh 1
* Team of Iran, IYPT 2011
1 University of Tehran, Iran
Corresponding author: info@tami-co.com (A. T. Z.)
Download: [pdf] [docx]
No. 11, Fingerprints: Frustrated total internal reflection on the walls of a glass of water *
Katja Kustura 1
* Team of Croatia, IYPT 2011
1 University of Zagreb, Croatia
Corresponding author: katja_kustura@hotmail.com (K. K.)
Download: [pdf] [doc]
No. 12, Levitating spinner: Motion and stability of Levitron, simulation and time resolved experiments *
Alireza Tahmaseb Zadeh 1 and Reza Montazeri Namin 2
* Team of Iran, IYPT 2011
1 University of Tehran, Iran
2 Sharif University of Technology, Iran
Corresponding authors: info@tami-co.com (A. T. Z.), namin@mech.sharif.edu (R. M. N.)
Download: [pdf] [docx]
No. 13, Light bulb: Efficiency measurement via a calorimetric technique *
Katja Kustura 1
* Team of Croatia, IYPT 2011
1 University of Zagreb, Croatia
Corresponding author: katja_kustura@hotmail.com (K. K.)
Download: [pdf] [doc]
No. 13, Light bulb: Numerical and experimental evaluation of the efficiency *
Reza Montazeri Namin 1 and Alireza Tahmaseb Zadeh 2
* Team of Iran, IYPT 2011
1 Sharif University of Technology, Iran
2 University of Tehran, Iran
Corresponding authors: namin@mech.sharif.edu (R. M. N.), info@tami-co.com (A. T. Z.)
Download: [pdf] [docx]
No. 13, Light bulb: Probing the effect of orientation to determine the ratio between the thermal and the light energy *
Alexey Krotov 1
* Team of Russia, IYPT 2011
1 Lyceum 130, Ekaterinburg, Russia
Corresponding author: bronze.eye@gmail.com (A. K.)
Download: [pdf] [docx]
No. 15, Slow descent: Minimizing the descent time of a paper-made device *
Hossein Azizinaghsh 1 and Reza Montazeri Namin 1
* Team of Iran, IYPT 2011
1 Sharif University of Technology, Iran
Corresponding authors: hossein.azizi@gmail.com (H. A.), namin@mech.sharif.edu (R. M. N.)
Download: [pdf] [docx]
Received manuscripts
[36]
Problem: No. 13, Shrieking rod, IYPT 2010.
Author: Alexander Barnaveli.
Contact: s.barnaveli@gmail.com (A. B.)
Team: Georgia-2010.
Title: Shrieking rod.
Received: December 1, 2011, 20:40 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Note: received after the final deadline but agreed to be taken for consideration; an explanation for missing the deadline is provided.
Progress: reviewers are assigned (P. P., T. B., S. P.); two reviews and an editorial request collected, revision requested on Dec. 20, 2011; revised manuscript received on Dec. 30, 2011; accepted on Dec. 30, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 13, Shrieking rod: Compression, bending and torsional waves in a metal rod.
[35]
Problem: No. 4, Breaking spaghetti, IYPT 2011.
Author: Yulia Peregud.
Contact: svann11@mail.ru (Yu. P.)
Team: Belarus-2011, AYPT.
Title: Breaking spaghetti.
Received: November 25, 2011, 21:43 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Note: received after the final deadline but agreed to be taken for consideration.
Progress: reviewers are assigned (T. L., L. G.); two reviews and an editorial request collected, revision requested on Dec. 3, 2011; revised manuscript received on Dec. 11, 2011; accepted on Dec. 11, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf 1] [pdf 2] [docx 1] [docx 2]
Final revision: [pdf] [doc]
Improved final title: No. 4, Breaking spaghetti: Impact deformation and bending waves.
[34]
Problem: No. 15, Paper anemometer, IYPT 2010.
Author: Igor Marković.
Contact: imarkov@dominis.phy.hr (I. M.)
Team: Croatia-2010.
Title: Paper anemometer.
Received: November 25, 2011, 03:26 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Note: received after the final deadline but agreed to be taken for consideration.
Progress: reviewers are assigned (M. A., R. M. N.); two reviews and an editorial request collected, revision requested on Dec. 8, 2011; revised manuscript received on Dec. 16, 2011; accepted on Dec. 18, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [doc]
Improved final title: No. 15, Paper anemometer: Autocorrelation analysis of the noise from a fluttering paper strip.
[33]
Problem: No. 5, Car, IYPT 2011.
Authors: Parham Zendedel Nobari, Reza Montazeri Namin, Hossein Azizinaghsh.
Contact: pzn1995@gmail.com (P. Z. N.), namin@mech.sharif.edu (R. M. N.), hossein.azizi@gmail.com (H. A.)
Team: Iran-2011.
Title: Efficiency evaluations of a baloon balloon powered car.
Received: November 24, 2011, 22:08 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. P., L. G.); two reviews and an editorial request collected, revision requested on Dec. 8, 2011; revised manuscript received on Dec. 12, 2011; accepted on Dec. 12, 2011; final revision received on Dec. 22, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] (history of corrections: [pdf])
Final revision: [pdf] [docx]
Improved final title: No. 5, Car: Energy losses and efficiency in a balloon powered car.
[32]
Problem: No. 1, Electromagnetic cannon, IYPT 2010.
Authors: Saba Zargham, Hamid Ghaednia.
Contact: saba.zargham@gmail.com (S. Z.),
ghaednia.hamid@gmail.com (H. G.)
Team: Iran-2010.
Title: The Electro Magnetic Electromagnetic Cannon.
Received: November 24, 2011, 18:59 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (S. P., P. U.); two reviews and an editorial request collected, revision requested on Nov. 30, 2011; an extra third reviewer (M. L.) assigned on Dec. 18, 2011 with review collected on Dec. 20, 2011; revised manuscript received on Jan. 8, 2012; accepted on Jan. 9, 2012.
Reviews and editorial request: [pdf]
Extra review: [pdf]
Answers to the reviewers: [pdf] [pdf 2]
Final revision: [pdf] [docx]
Improved final title: No. 1, Electromagnetic cannon: Measurements and simulations of the terminal velocity of a projectile.
[31]
Problem: No. 15, Slow descent, IYPT 2011.
Authors: Hossein Azizinaghsh, Reza Montazeri Namin.
Contact: hossein.azizi@gmail.com (H. A.),
namin@mech.sharif.edu (R. M. N.)
Team: Iran-2011.
Title: Descent of a paper-made device.
Received: November 24, 2011, 18:11 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (M. A., A. M., M. O., P. P.); three reviews and an editorial request collected, revision requested on Dec. 22, 2011; online supporting material received on Jan. 15, 2012; revised manuscript received on Jan. 15, 2012; accepted on Jan. 15, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Online supporting material: source code for the simulation [txt],
processed experimental video with simulated data for a descending paper spinner [mp4],
visualization of the simulated static pressure field [mp4].
Final revision: [pdf] [docx]
Improved final title: No. 15, Slow descent: Minimizing the descent time of a paper-made device.
[30]
Problem: No. 1, Adhesive tape, IYPT 2011.
Author: Katharina Ehrmann.
Contact: k.ehrmann@hotmail.com (K. E.)
Team: Austria-2011.
Title: Adhesive tape: The forces necessary to remove adhesive tape from a horizontal surface.
Received: November 22, 2011, 22:46 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (L. G., P. P., D. N.); three reviews and an editorial request collected, revision requested on Dec. 20, 2011; revised manuscript received on Jan. 16, 2012; accepted on Jan. 17, 2012; final revision received on Jan. 17, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Final revision: [pdf] [docx]
Improved final title: No. 1, Adhesive tape: Static and dynamic measurements of the detachment force.
[29]
Problem: No. 4, Breaking spaghetti, IYPT 2011.
Author: Stanislav Krasulin.
Contact: s.krasulin@gmail.com (S. K.)
Team: Belarus-2011.
Title: Breaking spaghetti.
Received: November 21, 2011, 00:29 CET.
Decision: re-submission invited.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (T. L., L. G.); two reviews collected, re-submission invited on Dec. 3, 2011.
Reviews: [pdf]
———
Second submission received: December 15, 2011, 22:38 CET.
Note: answers to the first reviewers provided [pdf] [docx]
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. P., T. L., M. L.); three reviews and an editorial request collected, revision requested on Dec. 22, 2011; revised manuscript received on Jan. 10, 2011; accepted on Jan. 10, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Final revision: [pdf] [docx]
Improved final title: No. 4, Breaking spaghetti: Effect of material, impact velocity and orientation on the probability of fracture.
[28]
Problem: No. 17, Kelvin’s dropper, IYPT 2010.
Author: Alexander Barnaveli.
Contact: s.barnaveli@gmail.com (A. B.)
Team: Georgia-2010.
Title: Kelvin’s dropper.
Received: November 18, 2011, 23:10 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. U., S. P.); two reviews and an editorial request collected, revision requested on Nov. 28, 2011; revised manuscript received on Dec. 2, 2011; accepted on Dec. 4, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 17, Kelvin’s dropper: Water-dropping electrostatic generator revisited.
[27]
Problem: No. 4, Soap film, IYPT 2010.
Author: Alexander Barnaveli.
Contact: s.barnaveli@gmail.com (A. B.)
Team: Georgia-2010.
Title: Soap film.
Received: November 14, 2011, 22:20 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (M. A., D. A.); two reviews and an editorial request collected, revision requested on Dec. 11, 2011; revised manuscript received on Dec. 15, 2011; accepted on Dec. 15, 2011; archived online supporting material added on Dec. 28, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf]
Online supporting material: original presentation [pdf] [pptx]
Final revision: [pdf] [docx]
Improved final title: No. 4, Soap film: Interactions with charged bodies of various shapes No. 4, Soap film: Interaction with charged bodies of various shapes and discharge asymmetry No. 4, Soap film: Interactions with charged bodies of various shapes and the discharge asymmetry with respect to the polarity change.
[26]
Problem: No. 9, Sticky water, IYPT 2010.
Author: Stanislav Krasulin.
Contact: s.krasulin@gmail.com (S. K.)
Team: Belarus-2010, AYPT.
Title: Sticky water.
Received: November 13, 2011, 21:18 CET.
Decision: rejected.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. P., J. B., R. M. N.); three reviews collected on Dec. 14, 2011; rejected on Dec. 14, 2011.
Reviews: [pdf]
[25]
Problem: No. 12, Levitating spinner, IYPT 2011.
Author: Ryhor Gunko.
Contact: ryhor.gunko@gmail.com (R. G.)
Team: Belarus-2011.
Title: Levitating spinner.
Received: November 12, 2011, 01:54 CET.
Decision: re-submission invited.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (P. E., M. O., M. L., F. K.); two reviews collected, re-submission invited on Dec. 23, 2011; third review (F. K.) collected on Dec. 26, 2011.
Reviews: [pdf]
Extra review: [pdf]
Note: withdrawal confirmation received on Jan. 12, 2012.
[24]
Problem: No. 6, Ice, IYPT 2010.
Author: Stanislav Krasulin.
Contact: s.krasulin@gmail.com (S. K.)
Team: Belarus-2010, AYPT.
Title: Ice.
Received: November 12, 2011, 01:38 CET.
Decision: re-submission invited.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (O. M., P. P., M. P.); three reviews collected, re-submission invited on Dec. 19, 2011.
Reviews: [pdf]
———
Second submission received: January 12, 2012, 06:11 CET.
Note: answers to the first reviewers provided [pdf] [docx]
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. P., R. M. N.); two reviews and an editorial request collected, revision requested on Jan. 13, 2012; revised manuscript received on Jan. 14, 2012; accepted on Jan. 15, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Final revision: [pdf] [docx]
Improved final title: No. 6, Ice: Regelation effect revisited.
[23]
Problem: No. 12, Levitating spinner, IYPT 2011.
Authors: Alireza Tahmaseb Zadeh, Reza Montazeri Namin.
Contact: info@tami-co.com (A. T. Z.), namin@mech.sharif.edu (R. M. N.)
Team: Iran-2011.
Title: Motion of stabilized magnetic levitating systems.
Received: November 11, 2011, 19:18 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (F. K., P. E., M. O., M. L.); three reviews and an editorial request collected, revision requested on Dec. 23, 2011; revised manuscript received on Jan. 8, 2012; accepted on Jan. 8, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx] (history of corrections: [pdf])
Final revision: [pdf] [docx]
Improved final title: No. 12, Levitating spinner: Motion and stability of Levitron, simulation and time resolved experiments.
[22]
Problem: No. 2, Brilliant pattern, IYPT 2010.
Author: Łukasz Gładczuk.
Contact: lukaszgladczuk@gmail.com (Ł. G.)
Team: Poland-2010.
Title: Brilliant pattern.
Received: November 11, 2011, 09:11 CET.
Decision: re-submission invited.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (S. P., T. K., M. P.); three reviews collected, re-submission invited on Dec. 18, 2011.
Reviews and editorial decision: [pdf]
———
Second submission received: January 9, 2012, 00:19 CET.
Note: answers to the first reviewers provided [pdf] [doc]
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (M. P., S. P.); two reviews and an editorial request collected, revision requested on Jan. 12, 2012; revised manuscript received on Jan. 16, 2012; accepted on Jan. 17, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Final revision: [pdf] [doc]
Improved final title: No. 2, Brilliant pattern: Caustics and optical catastrophes in an illuminated water droplet.
[21]
Problem: No. 13, Light bulb, IYPT 2011.
Authors: Faranak Khezli, Atefeh Mohseni, Davood Rajabi.
Contact: davoodrajabi@yahoo.com (D. R.)
Team: a non-IYPT Iranian team?
Title: Determination of the thermal energy in relation to electric energy in a bulb lamp.
Received: November 11, 2011, 09:11 CET.
Decision: rejected.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (S. P., L. G., P. U.); three reviews collected on Dec. 4, 2011; rejected on Dec. 4, 2011.
Reviews: [pdf]
[20]
Problem: No. 4, Breaking spaghetti, IYPT 2011.
Authors: Faranak Khezli, Atefeh Mohseni, Davood Rajabi.
Contact: davoodrajabi@yahoo.com (D. R.)
Team: a non-IYPT Iranian team?
Title: Under what condition a hard noodle doesn’t break when it hits a hard surface?
Received: November 11, 2011, 09:11 CET.
Decision: rejected.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (T. L., L. G., P. U.); three reviews collected on Dec. 11, 2011; rejected on Dec. 11, 2011.
Reviews: [pdf]
[19]
Problem: No. 4, Soap film, IYPT 2010.
Author: Una Pale.
Contact: una.pale@gmail.com (U. P.)
Team: Croatia-2010.
Title: Soap film.
Received: Nov. 11, 2011, 04:03 CET; v.2: Nov. 27, 2011, 23:29.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (M. A., D. A.); two reviews and an editorial request collected, revision requested on Dec. 11, 2011; revised manuscript received on Dec. 18, 2011; accepted on Dec. 19, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [doc]
Final revision: [pdf] [doc]
Improved final title: No. 4, Soap film: Deflection in uniform and radial electric fields.
[18]
Problem: No. 8, Liquid light guide, IYPT 2010.
Author: Una Pale.
Contact: una.pale@gmail.com (U. P.)
Team: Croatia-2010.
Title: Liquid light guide.
Received: Nov. 11, 2011, 04:03 CET; v.2: Nov. 27, 2011, 23:29.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (Z. M., S. P., R. M. N., P. P.); three reviews and an editorial request collected, revision requested on Dec. 22, 2011; revised manuscript received on Jan. 5, 2012; accepted on Jan. 9, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [doc]
Final revision: [pdf] [doc]
Improved final title: No. 8, Liquid light guide: Reflections in the Colladon fountain.
[17]
Problem: No. 5, Car, IYPT 2011.
Author: Stanislav Krasulin.
Contact: s.krasulin@gmail.com (S. K.)
Team: Belarus-2011.
Title: Car.
Received: November 11, 2011, 03:07 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. P., L. G., P. U.); three reviews and an editorial request collected, revision requested on Dec. 8, 2011; revised manuscript received on Jan. 8, 2012; second editorial remark collected on Jan. 13, 2012; final revision received on Jan. 13, 2012; accepted on Jan. 15, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Second editorial remark: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 5, Car: Effect of nozzles, wheels, and balloon elastic properties on the range of a balloon powered car.
[16]
Problem: No. 4, Breaking spaghetti, IYPT 2011.
Authors: Matej Večerík, Tomáš Kulich, Michal Hledík.
Contact: matejvecerik@gmail.com (M. V.)
Team: Slovakia-2011.
Title: Breaking spaghetti.
Received: November 11, 2011, 00:59 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (T. L., S. G., L. G.); three reviews collected, revision requested on Dec. 4, 2011; revised manuscript received on Dec. 18, 2011; accepted on Dec. 18, 2011.
Reviews: [pdf]
Answers to the reviewers: [pdf] [doc]
Final revision: [pdf] [doc] [odt]
Improved final title: No. 4, Breaking spaghetti: A theoretical insight into the probability of fracture.
[15]
Problem: No. 14, Magnetic spring, IYPT 2010.
Author: Igor Marković.
Contact: imarkov@dominis.phy.hr (I. M.)
Team: Croatia-2010.
Title: Magnetic spring.
Received: November 11, 2011, 00:04 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (V. A., A. U., M. K.); three reviews and an editorial request collected, revision requested on Dec. 11, 2011; revised manuscript received on Dec. 27, 2011; accepted on Dec. 27, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Final revision: [pdf] [doc]
Improved final title: No. 14, Magnetic spring: Vertical oscillations in a system of two magnets.
[14]
Problem: No. 11, Fingerprints, IYPT 2011.
Author: Katja Kustura.
Contact: katja_kustura@hotmail.com (K. K.)
Team: Croatia-2011.
Title: Fingerprints.
Received: Nov. 11, 2011, 00:02 CET; v.2: Nov. 26, 2011, 13:04 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (A. M., J. B.); two reviews and an editorial request collected, revision requested on Dec. 12, 2011; revised manuscript received on Dec. 20, 2011; accepted on Dec. 20, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Final revision: [pdf] [doc]
Improved final title: No. 11, Fingerprints: Frustrated total internal reflection on the walls of a glass of water.
[13]
Problem: No. 8, Domino amplifier, IYPT 2011.
Author: Alireza Tahmaseb Zadeh.
Contact: info@tami-co.com (A. T. Z.)
Team: Iran-2011.
Title: Domino effect motion investigation: a numerical approach.
Received: November 10, 2011, 23:01 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (M. P., M. O., O. Č.); three reviews and an editorial request collected, revision requested on Dec. 21, 2011; online supporting material received on Jan. 8, 2012; revised manuscript received on Jan. 8, 2012; accepted on Jan. 9, 2012; second editorial remark collected on Jan. 10, 2012; final revision received on Jan. 14, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Second editorial remark: [pdf]
Online supporting material:
supplementary document [pdf] [docx],
source script for processing experimental videos [m],
source code for the simulation [rar],
hi-res color images [rar],
extra pictures [rar],
processed experimental video, visualized simulation, and raw experimental video of eight dominoes with increasing heights [wmv] [wmv] [avi],
processed experimental video, visualized simulation, and raw experimental video of one falling domino [avi] [avi] [avi],
processed experimental video, visualized simulation, and raw experimental video of two falling dominoes [avi] [avi] [avi],
experimental video of collision process (transient separation) [avi],
visualized simulation of dominoes on steps [avi].
Final revision: [pdf] [docx]
Improved final title: No. 8, Domino amplifier: A numerical analysis of the motion in a chain of dominoes.
[12]
Problem: No. 4, Breaking spaghetti, IYPT 2011.
Authors: Hamid Ghaednia, Hossein Azizinaghsh.
Contact: ghaednia.hamid@gmail.com (H. G.),
hossein.azizi@gmail.com (H. A.)
Team: Iran-2011.
Title: Breaking of a falling spaghetti.
Received: November 10, 2011, 22:20 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (T. L., L. G.); two reviews and an editorial request collected, revision requested on Dec. 4, 2011; revised manuscript received on Dec. 8, 2011; accepted on Dec. 8, 2011.
Reviews: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 4, Breaking spaghetti: Analysis and measurement of fracture as a function of impact velocities and angles.
[11]
Problem: No. 1, Adhesive tape, IYPT 2011.
Authors: Hossein Azizinaghsh, Hamid Ghaednia.
Contact: hossein.azizi@gmail.com (H. A.),
ghaednia.hamid@gmail.com (H. G.)
Team: Iran-2011.
Title: Removing a piece of adhesive tape from a horizental horizontal surface.
Received: November 10, 2011, 21:56 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (L. G., P. P., D. N.); three reviews and an editorial request collected, revision requested on Dec. 20, 2011; online supporting material received on Dec. 24, 2011; revised manuscript received on Dec. 25, 2011; accepted on Dec. 25, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] (history of corrections: [pdf])
Online supporting material: simulated video of a detaching tape [mp4], source code of the simulation [txt]
Final revision: [pdf] [docx]
Improved final title: No. 1, Adhesive tape: Energy analysis and numerical simulation.
[10]
Problem: No. 13, Light bulb, IYPT 2011.
Authors: Reza Montazeri Namin, Alireza Tahmaseb Zadeh.
Contact: namin@mech.sharif.edu (R. M. N.), info@tami-co.com (A. T. Z.)
Team: Iran-2011.
Title: Evaluation of the efficiency of incandescent light bulbs.
Received: November 10, 2011, 19:24 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (S. P., L. G.); two reviews collected, revision requested on Nov. 30, 2011; revised manuscript received on Dec. 1, 2011; accepted on Dec. 4, 2011; final revision received on Jan. 25, 2012.
Reviews: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 13, Light bulb: Evaluation of the efficiency with integral sphere and calorimeter No. 13, Light bulb: Numerical and experimental evaluation of the efficiency.
[9]
Problem: No. 13, Shrieking rod, IYPT 2010.
Author: Zahra Karimi.
Contact: sh.z.k.93@gmail.com (Z. K.)
Team: Iran-2010.
Title: Investigating the sound produced by hitting a metal rod.
Received: November 10, 2011, 19:11 CET; v.2: Dec. 5, 2011, 20:36 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (P. P., T. B., S. P.); two reviews and an editorial request collected, revision requested on Dec. 20, 2011; revised manuscript received on Jan. 8, 2012; accepted on Jan. 15, 2012; final revision received on Jan. 23, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Final revision: [pdf] [doc]
Improved final title: No. 13, Shrieking rod: Investigating the sound produced by hitting a metal rod.
[8]
Problem: No. 1, Adhesive tape, IYPT 2011.
Author: Stanislav Krasulin.
Contact: s.krasulin@gmail.com (S. K.)
Team: Belarus-2011.
Title: Adhesive tape.
Received: Nov. 10, 2011, 05:34 CET; v.2: Nov. 11, 2011, 03:07 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (L. G., P. P., D. N.); three reviews and an editorial request collected, revision requested on Dec. 20, 2011; revised manuscript received on Jan. 11, 2012; second editorial remark collected on Jan. 13, 2012; final revision received on Jan. 13, 2012; accepted on Jan. 15, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf] [docx]
Second editorial remark: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 1, Adhesive tape: Elastic properties and dynamics of a detaching tape.
[7]
Problem: No. 13, Light bulb, IYPT 2011.
Author: Katja Kustura.
Contact: katja_kustura@hotmail.com (K. K.)
Team: Croatia-2011.
Title: Light bulb.
Received: Nov. 10, 2011, 00:13 CET; v.2: Nov. 26, 2011, 13:04 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (S. P., L. G.); two reviews and an editorial request collected, revision requested on Nov. 30, 2011; revised manuscript received on Dec. 5, 2011; accepted on Dec. 5, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [docx]
Final revision: [pdf] [doc]
Improved final title: No. 13, Light bulb: Efficiency measurement via a calorimetric technique.
[6]
Problem: No. 1, Adhesive tape, IYPT 2011.
Author: Nives Bohačić.
Contact: nives.bonacic@hotmail.com (N. B.)
Team: Croatia-2011.
Title: Adhesive tape.
Received: November 10, 2011, 00:00 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (L. G., P. P., D. N.); three reviews and an editorial request collected, revision requested on Dec. 20, 2011; revised manuscript received on Jan. 1, 2012; accepted on Jan. 9, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 1, Adhesive tape: Detachment energy, a model and an experimental analysis.
[5]
Problem: No. 5, Car, IYPT 2011.
Author: Nives Bohačić.
Contact: nives.bonacic@hotmail.com (N. B.)
Team: Croatia-2011.
Title: Car.
Received: November 10, 2011, 00:00 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. P., L. G.); two reviews and an editorial request collected, revision requested on Dec. 8, 2011; revised manuscript received on Dec. 9, 2011; accepted on Dec. 11, 2011.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 5, Car: Behaviour of the balloon in a moving rocket-type car.
[4]
Problem: No. 16, Rotating spring, IYPT 2010.
Author: Reza Montazeri Namin.
Contact: namin@mech.sharif.edu (R. M. N.)
Team: Iran-2010.
Title: Expansion of horisontally rotating helical springs A numerical and experimental analysis on the expansion of horizontally rotating helical springs.
Received: November 9, 2011, 13:58 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (T. B., M. K.); two reviews and an editorial request collected, revision requested on Dec. 5, 2011; revised manuscript with a revised title received on Dec. 6, 2011; minor request collected from a reviewer on Dec. 18, 2011; final revision received on Dec. 23, 2011; accepted on Dec. 23, 2011.
Reviews and editorial request: [pdf 1] [pdf 2]
Answers to the reviewers: [pdf] [docx]
Second reviewing remark: [txt]
Final revision: [pdf] [docx]
Improved final title: No. 16, Rotating spring: A numerical and experimental analysis on the expansion of horizontally rotating helical springs.
[3]
Problem: No. 13, Light bulb, IYPT 2011.
Author: Alexey Krotov.
Contact: bronze.eye@gmail.com (A. K.)
Team: Russia-2011.
Title: Light bulb.
Received: November 7, 2011, 14:31 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc] [docx]
Progress: reviewers are assigned (S. P., L. G.); two reviews and an editorial request collected, revision requested on Nov. 30, 2011; revised manuscript received on Nov. 30, 2011; accepted on Dec. 4, 2011.
Reviews, editorial request, and answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 13, Light bulb: Probing the effect of orientation to determine the ratio between the thermal and the light energy.
[2]
Problem: No. 3, Bouncing flame, IYPT 2011.
Authors: Rojin Anbarafshan, Hossein Azizinaghsh, Reza Montazeri Namin.
Contact: rojin.anbarafshan@gmail.com (R. A.),
hossein.azizi@gmail.com (H. A.), namin@mech.sharif.edu (R. M. N.)
Team: Iran-2011.
Title: Flames in horizontal electric field, deviation and oscillation.
Received: November 4, 2011, 21:54 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [doc]
Progress: reviewers are assigned (S. P., Z. M., V. A., M. L.); three reviews and an editorial request collected, revision requested on Dec. 21, 2011; revised manuscript received on Jan. 8, 2012; online supporting material received on Jan. 8, 2012; accepted on Jan. 8, 2012; final revision received on Jan. 15, 2012.
Reviews and editorial request: [pdf] [pdf 2]
Answers to the reviewers: [pdf]
Online supporting material: source codes of the simulations [m] [m] [m], video processing sample [mp4]
Final revision: [pdf] [docx]
Improved final title: No. 3, Bouncing flame: Flames in a horizontal electric field, deviation and oscillation.
[1]
Problem: No. 5, Car, IYPT 2011.
Author: Bárbara Cruvinel Santiago.
Contact: barbaracruvinel_santiago@yahoo.com.br (B. C. S.)
Team: Brazil-2011.
Title: Car.
Received: September 25, 2011, 22:43 CET.
Decision: revision requested accepted.
Submitted manuscript: [pdf] [docx]
Progress: reviewers are assigned (P. P., L. G.); two reviews and an editorial request collected, revision requested on Dec. 8, 2011; revised manuscript received on Dec. 9, 2011; accepted on Dec. 9, 2011; final revision received on Jan. 17, 2012.
Reviews and editorial request: [pdf]
Answers to the reviewers: [pdf]
Final revision: [pdf] [docx]
Improved final title: No. 5, Car: Maximizing the efficiency of a balloon car via parameters variation No. 5, Car: A study of aerodynamic and general properties of a balloon powered car.
Invited paper
Title: The International Young Physicists’ Tournament (IYPT).
Author: Prof. Gunnar Tibell.
Received: November 11, 2011, 09:11 CET.
Download: [pdf] [doc]
Revised from: [pdf], [pdf] (pp. 257—263), [pdf] (pp. 7—10)
