Transient Behavior of Crossflow Heat Exchangers Due To Sinusoidal Excitation

Author:

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

Affiliation:

1. Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee 247667, India

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

3. National Institute of Technology, Rourkela 769008, India

Abstract

Transient temperature response of crossflow heat exchangers with both fluids unmixed and finite wall capacitance is investigated numerically for sinusoidal excitation provided in hot fluid inlet temperature. The effect of two-dimensional longitudinal conduction in separating sheet and the axial dispersion in fluids has also been considered on the thermal performance of the heat exchanger. The present method has good accuracy and simplicity. An attempt has also been made to study the performance of the sinusoidal excitation in the graphical form.

Publisher

ASME International

Subject

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

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