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Entropy Analysis in Pipe Flow Subjected to External Heating
Mechanical Engineering Department, KFUPM, Dhahran, Saudi Arabia
Received: 18 September 2002; Accepted: 25 May 2003 / Published: 31 December 2003
Abstract: In the present study, heat transfer and entropy analysis for flow through a pipe system is considered. The Reynolds number and the pipe wall temperature effects on entropy distribution and total entropy generation in the pipe are investigated. Numerical scheme employing a control volume approach is introduced when solving the governing equations. Steel is selected as pipe material, while water is used as fluid. It is found that increasing pipe wall temperature and Reynolds number increases the entropy production rate, in which case, entropy generation due to heat transfer dominates over that corresponding to fluid friction.
Keywords: pipe; flow; heat transfer; entropy
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Al-Zaharnah, I.T. Entropy Analysis in Pipe Flow Subjected to External Heating. Entropy 2003, 5, 391-403.
Al-Zaharnah IT. Entropy Analysis in Pipe Flow Subjected to External Heating. Entropy. 2003; 5(5):391-403.
Al-Zaharnah, Iyad T. 2003. "Entropy Analysis in Pipe Flow Subjected to External Heating." Entropy 5, no. 5: 391-403.