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RESEARCH PAPERS

A Model for Fixed-Tubesheet Heat Exchanger

[+] Author and Article Information
D. H. Cascales, C. Militello

Institute of Development and Design, INGAR—Santa Fe, CONICET, ARCIEN Foundation, Santa Fe, Argentina

J. Pressure Vessel Technol 109(3), 289-296 (Aug 01, 1987) (8 pages) doi:10.1115/1.3264866 History: Received July 31, 1985; Revised January 22, 1987; Online November 05, 2009

Abstract

A model for a fixed-tubesheet heat exchanger was developed under the assumption that the outer rim of the tubesheet behaves as a circular plate. The tubesheet is conceived as made up of two parts; an inner drilled plate with uniform tube pattern and an external circular rim. Previous models assumed the outer rim to behave as a rigid plate. Under our more realistic model, a more accurate and economic design is possible. Four examples are brought to bear in order to show the procedure as well as to compare the stress distributions for a previous model assuming a rigid ring and our flexible counterpart.

Copyright © 1987 by ASME
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