Simulation of Triflux Heat Exchangers in Utility Boilers

Alan Matschke, Michael Müller, Uwe Schnell and Günter Scheffknecht
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Alan Matschke: University of Stuttgart, Institute of Combustion and Power Plant Technology—IFK
Michael Müller: University of Stuttgart, Institute of Combustion and Power Plant Technology—IFK
Uwe Schnell: University of Stuttgart, Institute of Combustion and Power Plant Technology—IFK
Günter Scheffknecht: University of Stuttgart, Institute of Combustion and Power Plant Technology—IFK

A chapter in High Performance Computing in Science and Engineering '10, 2011, pp 217-228 from Springer

Abstract: Abstract In this paper the recent development of the coupled simulation of large utility boilers is described. The coupled simulation is an advanced tool to investigate the interaction between the furnace and the steam cycle of power plants. Gained knowledge is useful both for design of future facilities and optimisation of operational performance of existing power plants. In this article the detailed simulation of a Triflux Heat Exchanger (THX) is presented. In utility boilers THX are used to exchange heat between the flue gas, the Superheater (SH) and the Reheater (RH) steam cycle. The presented methodology allows to calculate the steam and tube temperatures of all heated tubes of an utility boiler including the THX. Results and a comparison between measured and calculated values are presented for a lignite-fired boiler.

Keywords: Heat Exchanger; Tube Bundle; Couple Simulation; Steam Temperature; Steam Injection (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-15748-6_17

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DOI: 10.1007/978-3-642-15748-6_17

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