An iterative solution is required a friction factor

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Unformatted text preview: ewood Cliffs, NJ, 1956, pg. 118, article 8-6. Analysis Type(s): Thermal (pressure) Analysis (ANTYPE = 0) Element Type(s): Coupled Thermal-Fluid Pipe Elements (FLUID116) Input Listing: vm122.dat Test Case Benzene at 50°F flows through a horizontal commercial steel pipe of diameter d, with an average velocity v. Determine the pressure drop, ∆p, in a length of pipe. The pipe friction factor is f. Figure 122.1 Turbulent Flowing Fluid Problem Sketch Material Properties f = 0.016 sp. gr. (specific gravity) = 0.9 Geometric Properties = 200 ft = 2400 in d = 6 in Loading v = 132 in/sec Analysis Assumptions and Modeling Notes The inlet flow rate w is input as a nodal quantity. The outlet pressure is defined to be zero for reference. An iterative solution is required to find the pressure drop. The following quantities are required for input and are calculated from the given data: ρ = mass density = sp. gr. x ρH20 = 0.9 x 62.4 = /(386.4 x 123) = 8.411 x 10-5 lbf-sec2/in4 w = mass flow rate = ρvA = 8.411 x 10-5 x 132 x π x 6 2/4 ANSYS Ver...
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