Experiments on the transition of thermocapillary bubble convection towards turbulent flow

Autor:	Ebram Tadrous, Günter Wozniak
Rok vydání:	2021
Předmět:	Fluid Flow and Transfer Processes Physics Convection Work (thermodynamics) Turbulence Bubble Flow (psychology) Computational Mechanics Marangoni number Mechanics Physics::Fluid Dynamics Gravitation Surface tension Modeling and Simulation
Zdroj:	Physical Review Fluids. 6
ISSN:	2469-990X
DOI:	10.1103/physrevfluids.6.063601
Popis:	This study reveals that under appropriate conditions a surface tension driven (thermocapillary) flow can become turbulent. Thermocapillary bubble convection undergoes various nonperiodic modes as the Marangoni number (Mg) increases till reaching the turbulent state. We provide empirical equations to express the guideline borders between the nonperiodic flow mode regimes. In this work a more concise and complex experimental setup is applied to reach higher values of Mg under gravitational conditions.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::d90f16f2bfa2b2b1974a77ce190a8592 https://doi.org/10.1103/physrevfluids.6.063601 Zobrazit plný text záznamu