000 1536 ansys verification manual ansys release 90

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Unformatted text preview: l cylinder ε = 1 Axial surface of internal cylinder ε = 1 All other surfaces ε = 0 Analysis Assumptions and Modeling Notes The model is reduced to a 2-D axisymmetric case. The material is assumed to be isotropic, the surface is assumed to have uniform emissivity. A = 108 B = 92 Results Target ANSYS F(11) 0.000 0.000 F(21) 0.288 0.288 0.999 F(22) 0.503 0.485 0.964 1–530 Ratio - ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. VM228: Radiation Between Infinite Coaxial Cylinders Overview Reference: R. Siegel, J. R. Howell, Thermal Radiation Heat Transfer, Hemisphere Publishing, 1992, p. 188. Analysis Type(s): Steady State Radiosity Element Type(s): 2-D 6-Node Triangular Thermal Solid Elements (PLANE35) Input Listing: vm228.dat Test Case Two concentric infinite cylinders are transferring heat to each other through radiation. The problem is modeled as a 2-D pair of concentric circles. The facing surfaces are given surface emissivity values, the non facing surfaces are at...
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