In this paper, a multizone model is developed to investigate the performance of an economizer under all conditions. The model primarily determines the economizer’s distribution parameters under all conditions with a small computational cost. Both the steady-state and dynamic behavior are calculated. These results are shown to be accurate and reliable using a computational fluid dynamic (CFD) model and the operational data obtained from a 600 MW boiler unit in Hubei province, China. Additionally, the model is used to predict the distribution characteristics during some fault conditions.
A Multizone Model of an Economizer in a 600 MW Boiler Unit
Contributed by the Advanced Energy Systems Division of ASME for publication in the Journal of Energy Resources Technology. Manuscript received April 16, 2012; final manuscript received July 5, 2012; published online October 1, 2012. Assoc. Editor: S. O. Bade Shrestha.
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Jizhou, W., Yanping, Z., Yu, L., and Shuhong, H. (October 1, 2012). "A Multizone Model of an Economizer in a 600 MW Boiler Unit." ASME. J. Energy Resour. Technol. December 2012; 134(4): 041601. https://doi.org/10.1115/1.4007253
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