Abstract
Boiler trim control, when it has been used at all, has been accomplished by the use of oxygen sensors. However, the oxygen sensor has limitation because it provides a fixed point on the sensible heat loss curve. A better way is to measure the fuel loss and the sensible heat loss. In this way the development of a practical, in stack, monitoring system for fuel loss was accelerated by the rapid increase in cost following the 1982 OPEC crisis. Based on analyzing the results of 250 installations, we can define the applications that can best benefit from multivariable trim control.
Miller, J. G. (1985). An Advanced Oxygen Trim Control System. Energy Systems Laboratory (http://esl.tamu.edu). Available electronically from
https : / /hdl .handle .net /1969 .1 /93261.