Heat transfer with solidification in channels, pipes and spheres with convection at interface

Conference · Wed Jan 01 04:00:00 EST 1992

OSTI ID:5572408

Chung, B T.F.; Yin, X ^[1]

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1. Akron, University, OH (United States)

This study investigates the problems of heat transfer of liquid solidification in channels, pipes and spheres with convection at the liquid-solid interface. The significant role of convection at the inner surface in the formation of a stable solidified layer has been studied. A general nonlinear thermal boundary condition, namely,. combined free convection and radiation is applied at the exterior surface. Comparisons are made to show the differences in the criteria for achieving a stable solution among different geometries and various exterior boundary conditions. An integral technique is utilized to reduce the present complicated nonlinear boundary value problem to a much simpler initial vlaue problem which is then solved by using the Runge-Kutta method. It is found that the stable solidified region is affected significantly by the outside boundary condition and the geometry of the flow passage. 20 refs.

• OSTI ID: 5572408
• Report Number(s): AIAA-Paper--92-0368; CONF-920157--
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
BOUNDARY LAYERS
BOUNDARY-VALUE PROBLEMS
CONVECTION
ENERGY TRANSFER
FLUID FLOW
FLUIDS
HEAT TRANSFER
INTERFACES
ITERATIVE METHODS
LAYERS
LIQUID FLOW
LIQUIDS
MASS TRANSFER
NATURAL CONVECTION
NONLINEAR PROBLEMS
NUMERICAL SOLUTION
PHASE TRANSFORMATIONS
PIPES
RADIANT HEAT TRANSFER
RUNGE-KUTTA METHOD
SOLIDIFICATION
SPHERES