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Title: Dynamic behaviour of indirect coupled heat exchanger systems
Authors: Rao, N M
Maiti, B
Das, P K
Issue Date: Dec-2002
Publisher: NISCAIR-CSIR, India
Abstract: In this paper, the dynamic behaviour of the indirect coupled heat exchanger system has been reported. Three partial differential equations of energy balance for three fluids have been derived and solved simultaneously by adopting the finite element method. The responses of coupling fluid temperatures, hot and cold fluid temperatures have been studied for the step and sinusoidal changes in hot fluid inlet temperature. The maximum over-all effectiveness of the system has occurred at a unique value of the non-dimensional coupling fluid heat capacity rate. This unique value is identical to the value, which could be obtained from an analytically derived equation by the previous investigator. However, as expected, the situation changes when there is sinusoidal change in hot fluid inlet temperature.
Page(s): 414-418
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.09(6) [December 2002]

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