5 in ansys verification manual ansys release 90 002114

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Unformatted text preview: pe(s): Thermal (fluid flow) Analysis (ANTYPE = 0) Element Type(s): Coupled Thermal-Fluid Pipe Elements (FLUID116) Input Listing: vm126.dat Test Case Heat is transferred to air at 14.7 psi, and temperature Ti, flowing at a rate w inside a round tube of length and diameter d having a uniform tube wall temperature Tw. Determine the heat flow in terms of the inlet (qin) and outlet (qout) heat transport rates. Also determine the air outlet temperature To. The convection coefficient is given by the expression Nu = 0.08 Re0.7 Pr0.35 + 1.63. The tube is nearly frictionless. Figure 126.1 Flowing Fluid Problem Sketch Material Properties k = 0.017 BTU/hr-ft-°F c = 1.002 x 188 BTU -ft/lbf-hr2-°F -10 µ = 1.17418 x 10 -10 ρ = 1.4377 x 10 4 lbf hr/ft 2 4 lbf-hr /ft f = 0.001 for 0 < Re < 5 x 104 Geometric Properties d = 1 in = (1/12) ft = 5 in = (5/12) ft Loading Ti = 100°F Tw = 200°F w = 1.131 x 10-8 lbf hr/ft ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–284 VM126 Analysis Assumptions and Modeling Notes The convection node lo...
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This note was uploaded on 12/09/2010 for the course DEPARTMENT E301 taught by Professor Kulasinghe during the Spring '09 term at University of Peradeniya.

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