Dynamic Behavior of Three-Fluid Crossflow Heat Exchangers

Author:

Mishra Manish1,Das P. K.2,Sarangi Sunil3

Affiliation:

1. Department of Mechanical Engineering, National Institute of Technology, Raipur (formerly Government Engineering College, Raipur), India 492001

2. Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur, India 721302

3. Cryogenic Engineering Centre, Indian Institute of Technology, Kharagpur, India 721302

Abstract

A transient temperature response of three-fluid heat exchangers with finite and large capacitance of the separating sheets is investigated numerically for step, ramp, exponential, and sinusoidal perturbations provided in the central (hot) fluid inlet temperature. The effect of two-dimensional longitudinal conduction in the separating sheet and of axial dispersion in the fluids on the transient response has been investigated. A comparison of the dynamic behavior of four possible arrangements of three-fluid crossflow heat exchangers has also been presented.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference18 articles.

1. Heat Exchangers;Shah

2. On a Particular Case of Stationary Heat Transfer With Cross Flow of Heat Agents;Rabinovich;Int. J. Heat Mass Transfer

3. Sorlie, T. , 1962, “Three-Fluid Heat Exchanger Design Theory—Counter and Parallel Flow,” Technical Report No. 54, Dept. of Mech. Eng., Stanford University, Stanford, CA.

4. Three-Fluid Heat Exchanger Effectiveness;Aulds;Int. J. Heat Mass Transfer

5. Barron, R. L., and Yeh, S. L., 1976, “Longitudinal Conduction in a Three-Fluid Heat Exchanger,” ASME Paper No. 76-WA, HT-9, pp. 2–7.

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