Library Subscription: Guest

ISSN Online: 2377-424X

ISBN Print: 0-89116-299-2

International Heat Transfer Conference 7
September, 6-10, 1982, Munich, Germany

HYDRODYNAMICS AND HEAT TRANSFER PROCESSES OF DRY ICE SLABS SUBLIMATING IN LIQUID POOLS

Get access (open in a dialog) DOI: 10.1615/IHTC7.3950
pages 167-172

Abstract

The sublimation of dry ice slabs under the impact of a liquid pool can be considered in many respects as an inverse process to film boiling. Such processes are investigated both in experiments and in theory as a function of the angle of inclination of the slab and the Prandtl number of the fluid. Two principal flow regimes are found: At low inclinations, the gas film is instable and a regular Taylor pattern is formed. At higher inclinations, a continuous laminar gas film changing into turbulent film flow beyond a critical film thickness covers the sublimating surface. An increasing Prandtl number of the liquid reduces the heat transfer measured by the sublimation rate.