Use of Lead/Lag Approximations in Modeling Thermal Regenerator Systems

[+] Author and Article Information
A. Burns

Computer Science Department, University of Bradford, Bradford, Yorkshire BD7 1DP England

C. P. Jeffreson

Chemical Engineering Department, University of Adelaide, South Australia 5001

A. J. Willmott

Department of Computer Science, University of York, Heslington, York Y01 5DD England

J. Dyn. Sys., Meas., Control 103(1), 49-53 (Mar 01, 1981) (5 pages) doi:10.1115/1.3139642 History: Received February 25, 1981; Online July 21, 2009


A method of building simple low order lead/lag approximations to a “heat exchanger” model of regenerator systems is described. The method involves extraction of successive real poles and zeros of the system transfer functions for temperature or flow forcing. The first moments of the system provide a-useful guide to the number of such real poles and zeros required for a particular combination of system parameters.

Copyright © 1981 by ASME
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