concentric tube heat exchanger -- CFD Online Discussion Forums

January 2, 2002, 15:23	concentric tube heat exchanger	#1
satya Guest Posts: n/a	Hi, I am trying to model a concentric straight tube heat exchanger using CFX 5.4.1. Heat transfer is between hot water and cold water seperated by 2 mm tube wall.The length of heat exchanger is 2 m. Solver has stopped prematurely with the following error message. ----------------------------------------------------------- ERROR #004100018 has occurred in subroutine FINMES Message: fatal overflow in linear solver --------------------------------------------------------------- Can anybody tell me what might be the reason? Thanks, satya

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