Analysis of Reheater Size Impact on Power Plant Performance

Bogdan, Željko (2011) Analysis of Reheater Size Impact on Power Plant Performance. = Analysis of Reheater Size Impact on Power Plant Performance. In: 8th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, HEFAT, 11-13.07.2011., Pointe Aux Piments, Mauritius.

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In order to be able to analyze performance of the coal fired thermal power plant, a detailed mathematical model of thermo-hydraulical processes in the steam generator, steam turbine and feedwater line has been developed. Attention has been focused on the influence of the reheater package size on the thermal efficiency of the plant. History of the plant shows that the reheater size had been decreased due to problems with coal ash slugging, what eventually resulted in lower power output and thermal efficiency decrease. Simulation results showed that change of utilised coal for the type with improved slugging characteristics would not achieve design temperatures unless the reheater size would be restored. In this case the plant thermal efficiency would be increased for 0.4-0.7 % resulting in some 140000 euro/a operational cost savings.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): mathematical modelling, steam generator, reheater
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 500 Department of Energy, Power Engineering and Environment > 510 Power Engineering and Energy Management Chair
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 14 Apr 2016 10:57
Last Modified: 11 Sep 2017 14:56

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