Design and Rating of Shell and Tube Heat Exchangers. 2. 0 Fundamentals The basic layout for a countercurrent shell and tube heat exchanger together with the associated heat curve for a condensing process generated from CHEMCAD are shown below: PAGE 4 OF 30 MNL 032A Issued 29 August 08, Prepared by J.E.Edwards of P & I Design Ltd, Teesside, UK www.pidesign.co.uk. Design and Rating of Shell and Tube Heat Exchangers. 2. 1 Basic Theory. The fundamental equations for heat transfer across a surface are given by: Where. Q. Heat exchanger is equipment used to transfer heat from one fluid to another. It has extensive domestic and industrial applications. Extensive technical literature is available on heat exchanger design, operation and maintenance, but it is widely scattered throughout the industrial bulletins, industrial design codes and standard, technical journals, etc. The purpose of this book chapter is to consolidate into basic background and concepts design of heat exchangers, operation, cleaning and green technology maintenance on heat exchanger closely related to the industrial practices.

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