8-10 June 2016
Asia/Bangkok timezone

Initiation of Multiarmed Spiral Waves in the Belousov-Zhabotinsky Reaction

Not scheduled
15m
Poster presentation Atomic Physics, Quantum Physics, Molecular and Chemical Physics

Speaker

Ms Benjamas Ponboonjaroenchai (Department of Physics, Faculty of Science, Kasetsart University, Bangkhen, Bangkok, 10900, Thailand.)

Description

Spiral waves have been investigated in many different excitable media. A set of multiarmed spiral waves is a spacial self-organization and rarely studied in experiments because they are difficult to be created. We present a method to generate multiarmed spiral waves pinned to an unexcitable circular obstacle in a thin layer of the Belousov-Zhabotinsky reaction using a partition method. A thin rectangle and a thin disk made from chemically innert plastic (acrylic) are used as the partition and the obstacle, respectively. We demonstrate an initiation of three-armed spiral waves.

Primary author

Ms Benjamas Ponboonjaroenchai (Department of Physics, Faculty of Science, Kasetsart University, Bangkhen, Bangkok, 10900, Thailand.)

Co-authors

Dr Chaiya Luengviriya (Department of Physics, Faculty of Science, Kasetsart University, Bangkhen, Bangkok, 10900, Thailand.) Dr Jiraporn Luengviriya (Lasers and Optics Research Group, King Mongkut’s University of Technology North Bangkok, 1518 Pibulsongkram Road, Bangkok 10800, Thailand) Mrs Malee Sutthiopad (Department of Physics, Faculty of Science, Kasetsart University, Bangkhen, Bangkok, 10900, Thailand.) Mr Nakorn Kumchaiseemak (Department of Physics, Faculty of Science, Kasetsart University, Bangkhen, Bangkok, 10900, Thailand) Mr Piyachat Wungmool (Department of Physics, Faculty of Science, Kasetsart University, Bangkhen, Bangkok, 10900, Thailand.)

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