Heat loss through a composite wall of three materials.xls
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KNOWN: Thicknesses of three materials which form a composite wall and thermal conductivities of the two materials. Inner and outer surface temperatures of the composite: also, temperature and convection coefficient associated with adjoining gas.
FIND: Value of unknown thermal conductivity, kB.
ASSUMPTIONS: 1) Steady-state conditions
2) One-dimensional conduction
3) Constant properties
4) Negligible contact resistance
5) Negligible radiation effects
ANALYSIS: Analogy with thermal circuit.
Fundamentals of Heat and Mass Transfer - Frank P. Incropera
- Submitted By:
- John Doyle (JohnDoyle[Admin])
- Submitted On:
- 29 Jan 2008
- File Size:
- File Version: