Numerical analyses of thermal sizing of multi tube pass shell and tube heat exchanger (original) (raw)

International Journal of Engineering, 2014

Abstract

In any industrial or power plants the energy flows from one form to another form by fulfilling the basic objectives of the establishment of thermal energy from one fluid to another. In power plants the heat generated at the turbine shaft or alternator bearings, to be dissipated continuously. In order to maintain the lube oil properties constant, this is very important and if its not maintained or if the temperature is increased beyond the limit it will damage the oil film thickness between the turbine shaft and bearing and results in mal operations of turbine rotor. The present work deals with experimental and numerical analysis of thermal sizing of multi tube pass shell and tube heat exchanger. This involves the numerical analysis, experimental investigation, and calculation of heat transfer co-efficient, pressure drop at drift passes and no of tubes. This is mainly based on customer needs and demand.

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