Gas-Liquid Heat Transfer in a Bubble Collapsing Near a Wall



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The Physics of Fluids


The collapse of a gas bubble near a solid wall is studied numerically by assuming the liquid to be incompressible and the Mach number of the gas flow to be small. The liquid motion is simulated by a boundary integral method and the gas thermo?fluid dynamics by finite differences on a boundary?fitted grid. With the physical properties of a liquid monopropellant, it is found that the liquid heating is essentially localized in the microjet, but is probably not sufficient to cause spontaneous ignition. The reasons for this conclusion — that, while being in general agreement with available experimental evidence, is at variance with deductions from previous spherical collapse calculations — are elucidated.



Fluid dynamics, Finite difference methods, Physics of gases, Boundary integral methods, Thermodynamic states and processes


Copyright 1997 Physics of Fluids. Recommended citation: Yuan, H., and A. Prosperetti. "Gas?liquid heat transfer in a bubble collapsing near a wall." Physics of Fluids 9, no. 1 (1997): 127-142. DOI: 10.1063/1.869153 URL: Reproduced in accordance with the original publisher’s licensing terms and with permission from the author(s).