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090 _aB-14937
245 1 0 _aGeneral thermal analysis of serpentine-flow flat-plate solar collector absorbers
490 0 _vSolar Energy, 42(2), p.133-142, 1989
520 3 _aA thermal analysis is performed on an absorber which has general applicability to the ser-pentine-flow configuration. The heat conduction equation is rendered in nondimensional form for a typ-ical panel-segment of the absorber, and shape factors are introduced for general application to various detailed flow-duct geometries. An analytical solution is obtained for the typical panel in terms of an Effectiveness--NTU relationship for that panel; the series combination of these relationships yields the overall E-NTU relationship for the entire absorber plate, for any number of "panels," or serpentine-flow reversals. The results of the present analysis indicate the expected, axially varying, asymmetry of the temper-ature profile between the flow passes. Performance results are stated in terms of a serpentine relative performance factor, which permits direct comparison to the parallel configuration. The results indicate superior thermal performance of the serpentine-flow absorber, relative to the parallel-flow absorber, for the same number of transfer units
700 1 2 _aO'Ferrall Lund, K.
856 4 0 _uhttps://drive.google.com/file/d/1ZsZMWIyB54cn9wNZTq7yFlt8KBGFeocb/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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