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Unformatted text preview: fined to be zero. An iterative solution is required. A friction factor of 0.025 (input for MU)
is assumed for a starting value. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–280 VM124 Results Comparison
Target ANSYS Ratio w, lbfsec/ft 0.898 0.930 1.04 Re 1.94 x 105 2.01 x 105 1.04 1. w is given by nodal flow at node 1. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–281 VM125: Radiation Heat Transfer Between Concentric Cylinders
Reference: F. Kreith, Principles of Heat Transfer, 2nd Printing, International Textbook Co.,
Scranton, PA, 1959, pg. 260. Analysis Type(s): Thermal Analysis (ANTYPE = 0)
AUX12 (Radiation View Factor Utility) Element Type(s): 2-D Conduction Bar Elements (LINK32)
Superelement (or Substructure) (MATRIX50) Input Listing: vm125.dat Test Case
Two long concentric cylinders are held at constant temperatures T1 and T2. Determine the rate of radiative heat
transfer between the cylinders. Figure 125.1 Concentric Cyl...
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