Numerical Comparison of Regenerative and Steam Injected Gas Turbine Cycles

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HASHEMI S.M.R.; Ghassabi Gh.; KHALEDI A.A.

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2019 | Volume:48 | Issue:4 (85) Page(s): 309-318

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Title

Numerical Comparison of Regenerative and Steam Injected Gas Turbine Cycles

Author(s)

HASHEMI S.M.R. | Ghassabi Gh. | KHALEDI A.A. | Issue Writer Certificate

Keywords

Thermal efficiency

Nox

Combustion chamber

Computational fluid dynamics

Abstract

Researches show that the water or steam injection and regeneration increase the Thermal efficiency of the gas turbine cycles. However, there are very few Computational fluid dynamics investigations for these methods. In this study, the effect of steam injection and regeneration on the Thermal efficiency and Nox emission are independently investigated both numerically and thermodynamically. Ansysy Fluent 16 software has been used for numerical simulation. In this paper, combustion occurs in a diffusion type flame. Water steam 2000 C with flow rate 30 kg/s is injected into the Combustion chamber and the Combustion chamber inlet air temperature is 4600C by using regeneration. Results show that the Thermal efficiency increases 4. 45% and 6. 9% with regeneration and steam injection, respectively. However, results show that Nox emission for the steam injection gas turbine cycle is 3. 5 times of regenerative cycle and 8. 5 times of simple cycle.

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APA: Copy

HASHEMI, S.M.R., Ghassabi, Gh., & KHALEDI, A.A.. (2019). Numerical Comparison of Regenerative and Steam Injected Gas Turbine Cycles. JOURNAL OF MECHANICAL ENGINEERING, 48(4 (85) ), 309-318. SID. https://sid.ir/paper/269923/en

Vancouver: Copy

HASHEMI S.M.R., Ghassabi Gh., KHALEDI A.A.. Numerical Comparison of Regenerative and Steam Injected Gas Turbine Cycles. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2019;48(4 (85) ):309-318. Available from: https://sid.ir/paper/269923/en

IEEE: Copy

S.M.R. HASHEMI, Gh. Ghassabi, and A.A. KHALEDI, “Numerical Comparison of Regenerative and Steam Injected Gas Turbine Cycles,” JOURNAL OF MECHANICAL ENGINEERING, vol. 48, no. 4 (85) , pp. 309–318, 2019, [Online]. Available: https://sid.ir/paper/269923/en

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