✦ LIBER ✦

Dynamics and control of a gas-fired furnace

✍ Scribed by B. Roffel; J.E. Rijnsdorp

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 717 KB
Volume: 29
Category: Article
ISSN: 0009-2509
DOI: 10.1016/0009-2509(74)80222-8

No coin nor oath required. For personal study only.

✦ Synopsis

A non-linear model has been developed for a gas-fired furnace in which oil is heated. The model is applicable from minimum to maximum heat load of the furnace. The dynamics of the model have been compared to experimental results, which were obtained for a pilot-scale furnace. They are in good agreement. A cascade control with feed-forward action has been compared to single feed-back control. Proportional feed-forward action already gives much better results than the latter control.

An approximative expression is derived for the large time constant in the furnace dynamics.

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