0 002114 sas ip inc vm95 heat transfer from a cooling

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Unformatted text preview: sulated Wall Temperature Problem Sketch Material Properties k1 = 0.8 Btu/hr-ft-°F k2 = 0.1 Btu/hr-ft-°F hi = 12 Btu/hr-ft2-°F Geometric Properties 1 = 9 in = 0.75 ft 2 = 5 in = 5/12 ft Loading Tf = 3000°F Ta = 80°F ho = 2 Btu/hr-ft2-°F Analysis Assumptions and Modeling Notes A 1 ft2 area is used for the convection and conduction elements. Nodes 1 and 5 are given arbitrary locations. Feet units are input as (inches/12) for convenience. POST1 is used to extract results from the solution phase. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–210 VM92 Results Comparison Target[1] ANSYS Ratio q, Btu/hr 513. 513. 1.001 Ti , °F 2957. 2957. 1.000 To , °F 336. 337. 1.002 1. Rounded-off values (normalized) ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–211 VM93: Temperature Dependent Conductivity Overview Reference: F. Kreith, Principles of Heat Transfer, 2nd Printing, International Textbook Co., Scranton, PA, 1959, pg. 25, ex. 2-2 Analysis Type(s): Ther...
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