Adaptive simulation of boiler unit performance

Zhongsheng Niu, Kaufui Wong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Industrial boilers of a particular type will behave differently due to manufacturing or assembly tolerances. In addition, the performance of a boiler will vary at different times of its service life. The product of this work is presented in a computer program designed to simulate a boiler unit. A method is presented that will allow the simulation to be adapted to a particular boiler's peculiarities by using modification factors and on-site measurements. Therefore, the model does not require details of boiler unit configurations and its conditions, and can be easily applied to different boilers. Performance of boiler heaters (i.e., superheaters, reheater, economizer, air preheaters) is simulated by the lumped parameter analysis. The model can be used to simulate fuel/gas-firing boiler unit performance at different times of its service life. The performance analysis includes (1) boiler unit first law efficiencies vs loads, (2) boiler unit second law efficiencies vs loads, (3) exit gas temperature, (4) performance analysis of superheater, reheater, economizer, and air preheater, and (5) approximate distribution of heat flux and temperature inside the boiler chamber. If the model is continually used in a boiler unit, maintenance or degradation analysis may be performed by analyzing the changes of modification factors.

Original languageEnglish
Title of host publicationAmerican Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES
Place of PublicationNew York, NY, United States
PublisherPubl by ASME
Pages111-118
Number of pages8
Volume27
ISBN (Print)0791810739
StatePublished - Dec 1 1992
EventWinter Annual Meeting of the American Society of Mechanical Engineers - Anaheim, CA, USA
Duration: Nov 8 1992Nov 13 1992

Other

OtherWinter Annual Meeting of the American Society of Mechanical Engineers
CityAnaheim, CA, USA
Period11/8/9211/13/92

Fingerprint

Boilers
Air preheaters
Economizers
Superheaters
Service life
Boiler firing
Gas fuels
Heat flux
Computer program listings
Degradation
Temperature
Gases

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Mechanical Engineering

Cite this

Niu, Z., & Wong, K. (1992). Adaptive simulation of boiler unit performance. In American Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES (Vol. 27, pp. 111-118). New York, NY, United States: Publ by ASME.

Adaptive simulation of boiler unit performance. / Niu, Zhongsheng; Wong, Kaufui.

American Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES. Vol. 27 New York, NY, United States : Publ by ASME, 1992. p. 111-118.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Niu, Z & Wong, K 1992, Adaptive simulation of boiler unit performance. in American Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES. vol. 27, Publ by ASME, New York, NY, United States, pp. 111-118, Winter Annual Meeting of the American Society of Mechanical Engineers, Anaheim, CA, USA, 11/8/92.
Niu Z, Wong K. Adaptive simulation of boiler unit performance. In American Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES. Vol. 27. New York, NY, United States: Publ by ASME. 1992. p. 111-118
Niu, Zhongsheng ; Wong, Kaufui. / Adaptive simulation of boiler unit performance. American Society of Mechanical Engineers, Advanced Energy Systems Division (Publication) AES. Vol. 27 New York, NY, United States : Publ by ASME, 1992. pp. 111-118
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