Combined conduction and radiation in a two-layer planar medium with flux boundary condition
The interaction of conduction and radiation is investigated under both transient and steady-state conditions for an absorbing, emitting, and isotropically scattering two-layer slab having opaque coverings at both boundaries. The slab is subjected to an externally applied constant heat flux at one boundary surface and dissipates heat by radiation into external ambients from both boundary surfaces. An analytic approach is applied to solve the radiation part of the problem, and a finite-difference scheme is used to solve the conduction part. The effects of the conduction-to-radiation parameter, the single scattering albedo, the optical thickness, and the surface emissivity on the temperature distribution are examined.
- Research Organization:
- Mechanical and Aerospace Engineering Dept., North Carolina State Univ., Raleigh, NC 27695
- OSTI ID:
- 6556845
- Journal Information:
- Numer. Heat Transfer; (United States), Journal Name: Numer. Heat Transfer; (United States) Vol. 11:3; ISSN NUHTD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420400* -- Engineering-- Heat Transfer & Fluid Flow
ABSORPTION
ALBEDO
ANALYTICAL SOLUTION
BOUNDARY CONDITIONS
COVERINGS
DIMENSIONS
EMISSIVITY
ENERGY TRANSFER
FINITE DIFFERENCE METHOD
HEAT FLUX
HEAT TRANSFER
ISOTROPY
ITERATIVE METHODS
LAYERS
NUMERICAL SOLUTION
OPACITY
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
SCATTERING
SLABS
STEADY-STATE CONDITIONS
SURFACE PROPERTIES
SURFACES
TEMPERATURE DISTRIBUTION
THERMAL CONDUCTION
THICKNESS
TRANSIENTS