Evaluation of bleed flow precooling influence on the efficiency of the E-MATIANT cycle

• Autorzy: Rogalev A. , Kindra V. , Zonov A. , Rogalev N. , Agamirov L.
• Języki publikacji: EN

Abstrakty

EN

This study aims to present a method for precooling bleed flow by water injection in the E-MATIANT cycle and to estimate its impact on the overall efficiency. The design parameters of the cycle are set up on the basis of the component technologies of today’s state-of-the-art gas turbines with a turbine inlet temperature between 1100 and 1700◦C. Several schemes of the E-MATIANT cycle are considered: with one, two and three combustion chambers. The optimal pressure ratio ranges for the considered turbine inlet temperatures are identified and a comparison with existing evaluations is made. For the optimal initial parameters, cycle net efficiency varies from 42.0 to 49.8%. A significant influence of turbine stage cooling model on optimal thermodynamic parameters and cycle efficiency is established. The maximum cycle efficiency is 44.0% considering cooling losses. The performance penalty due to the oxygen production and carbon dioxide capture is 20-22%.

Słowa kluczowe

EN

oxy-fuel combustion cycle; gas turbine; cooling scheme; thermodynamic optimization

PL

spalanie w czystym tlenie; turbina gazowa; schemat chłodzenia; optymalizacja termodynamiczna

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Mechanics and Mechanical Engineering
• Rocznik: 2018
• Tom: Vol. 22, nr 2
• Strony: 593--602
• Opis fizyczny: Bibliogr. 18 poz., rys., wykr.

Twórcy

autor

Rogalev A.

• National Research University, Moscow Power Engineering Institute, Moscow, Russian Fedaration

autor

Kindra V.

• National Research University, Moscow Power Engineering Institute, Moscow, Russian Fedaration

autor

Zonov A.

• National Research University, Moscow Power Engineering Institute, Moscow, Russian Fedaration

autor

Rogalev N.

• National Research University, Moscow Power Engineering Institute, Moscow, Russian Fedaration

autor

Agamirov L.

• National Research University, Moscow Power Engineering Institute, Moscow, Russian Fedaration

Bibliografia

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• [17] Wilcock, R. C., Young, J. B. and Horlock, J. H.: The effect of turbine blade cooling on the cycle efficiency of gas turbine power cycles, J. Eng. Gas. Turb. Power, 127, 1, 109-120, 2005.
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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).