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The influence of steam extractions operation dynamics on the turbine efficiencies and losses (CROSBI ID 733430)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Mrzljak, Vedran ; Prpić-Oršić, Jasna ; Glučina, Matko ; Poljak, Igor The influence of steam extractions operation dynamics on the turbine efficiencies and losses // XX International Scientific Conference "Machines. Technologies. Materials 2023", Winter Session - PROCEEDINGS / Popov, Georgi (ur.). Sofija: Scientific technical union of mechanical engineering Industry - 4.0, 2023. str. 5-8

Podaci o odgovornosti

Mrzljak, Vedran ; Prpić-Oršić, Jasna ; Glučina, Matko ; Poljak, Igor

engleski

The influence of steam extractions operation dynamics on the turbine efficiencies and losses

In this paper are presented results of a low-pressure steam turbine energy and exergy analysis during turbine extractions opening/closing. All possible combinations of extractions opening/closing are observed. The highest mechanical power which can be produced by this turbine (when all steam extractions are closed) is 28017.48 kW in real and 31988.20 kW in an ideal situation. For all observed steam extractions opening/closing combinations is obtained that energy efficiency and energy losses range is relatively small (from 87.56% to 87.94% for energy efficiency and from 3360.46 kW to 3970.72 kW for energy losses). Trends in energy and exergy losses (destructions) are identical for all observed extractions opening/closing combinations. Analyzed turbine efficiencies (both energy and exergy) will decrease for a maximum 1% during the steam extractions closing. Turbine steam extractions closing decrease turbine efficiencies and increases turbine losses (destructions), what is valid from both energy and exergy aspects.

Steam turbine ; Steam extractions ; Operation dynamics ; Efficiency ; Losses

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Podaci o prilogu

5-8.

2023.

objavljeno

Podaci o matičnoj publikaciji

XX International Scientific Conference "Machines. Technologies. Materials 2023", Winter Session - PROCEEDINGS

Popov, Georgi

Sofija: Scientific technical union of mechanical engineering Industry - 4.0

2535-0021

2535-003X

Podaci o skupu

XX International Scientific Conference "Machines. Technologies. Materials 2023", Winter Session

poster

08.03.2023-11.03.2023

Borovets, Bugarska

Povezanost rada

Strojarstvo, Tehnologija prometa i transport