Parametric studies of tube in tube heat exchanger coupled to a panel of collectors |
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| Affiliation: | 1. Lee Kong Chian Faculty of Engineering and Science, UTAR, Kajang 43000, Malaysia;2. Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, 50603, Malaysia;3. School of Engineering and The Built Environment, Edinburgh Napier University, Edinburgh EH10 5DT, UK;1. State Key Laboratory of Mechanical Transmission, College of Mechanical and Vehicle Engineering, Chongqing University, Chongqing 400044, China;2. Key Laboratory of High Performance Manufacturing for Aero Engine (Ministry of Industry and Information Technology), Northwestern Polytechnical University, Xi''an 710072, China;3. Chongqing Key Laboratory of Metal Additive Manufacturing (3D Printing), Chongqing University, Chongqing 400044, China;4. International Joint Laboratory for Light Alloys (MOE), College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China;5. College of Aerospace Engineering, Chongqing University, Chongqing 400044, China |
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| Abstract: | This paper deals with the transient analysis of a one pass, tube in tube heat exchanger coupled to a panel of flat plate collectors under both cocurrent and counter-current modes of flow. Explicit expressions for the temperatures of the cold and hot fluid streams have been developed as a function of the time and space coordinates for both modes of flow. To make a quantitative assessment of the analytical results, numerical calculations have been carried out for a typical winter day, i.e., 13 February 1985 at Delhi. The effects of several parameters, viz. length of the heat exchanger, mass flow rate, radii of heat exchanger tube, etc., have been studied in detail. |
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