Numerical simulation of heat transfer characteristics of taper helical and spiral tube heat exchanger

The paper investigates the heat transfer characteristics of exchanger under two different configurations namely taper helical tube and spiral type exchanger. working fluid is water which flows in tubes kept horizontally mass flow rate ranges from 0.04 kg/s to 0.16 kg/s. effect configuration parameters Reynolds number on coefficient Nusselt were studied. Regression equations have been developed for both horizontal orientation using various process regression tools available Minitab Software. A comparison has made between theoretical results obtained simulation gives an error 15% well within permissible limit. result indicates that highest value greater by 21% than attributed better hence former thermally superior over latter. In this study, temperature velocity contour clearly that, when considered, should be preferred configuration.