Minimization of entropy generation in flat heat pipe |
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| Authors: | P Maheshkumar C Muraleedharan |
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| Affiliation: | 1. Intelligent Manufacturing Engineering Laboratory of Functional Structure and Device in Guangdong, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, PR China;2. College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518000, PR China;3. Department of Mechanical and Aerospace Engineering, University of California, San Diego, La Jolla, California 92093, United States |
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| Abstract: | A thermodynamic model of flat heat pipe is developed based on the laws of thermodynamics. Major reasons for entropy generation, which is considered as a significant parameter on heat pipe performance, are temperature difference between hot and cold reservoirs, frictional losses in the flow of working fluid, and vapor temperature and pressure drop along heat pipe. The objective of the present work is to minimize the entropy generation in a flat heat pipe. The physical situation is formulated as a non-linear programming problem with non-linear objective function and constraints. Using available software, the optimum values of selected design variables are arrived. The effect of heat load, adiabatic length, etc. on the optimum design variables and corresponding entropy generation are studied. |
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