Comprehensive Review and Analysis of Gas Turbine Power Plant Performance: Impact of Operating Conditions, Ambient Temperature, and Cycle Configurations

Comprehensive Review and Analysis of Gas Turbine Power Plant Performance: Impact of Operating Conditions, Ambient Temperature, and Cycle Configurations

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This is an unedited manuscript accepted for publication and provided as an Article in Press for early access at the author’s request. The article will undergo copyediting, typesetting, and galley proof review before final publication. Please be aware that errors may be identified during production that could affect the content. All legal disclaimers of the journal apply.

Volume: 12 | Issue: 1 | Year 2026 | Subscription

International Journal of I.C. Engines and Gas Turbines

Received Date: 03/12/2012

Acceptance Date: 03/14/2026

Published On: 2026-03-25

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1,2. Department of Mechanical Engineering, Institute of Engineering and Technology, Khandari Campus, Agra, UP-282002, India
3. Department of Mechanical Engineering, Axis Institute of Technology and Management, Kanpur, Uttar Pradesh India-209402
4. Department of Mechanical Engineering, Eshan College of Engineering Near Raipura Jaat, Mathura, Uttar Prdesh India-281122

Abstract

This study presents a comprehensive review of gas turbine (GT) power plants, focusing on simple and complex cycles. The review examines the influence of operating conditions, ambient temperature, and cycle configurations on GT performance. Turbine work and thermal efficiency decrease with increasing ambient temperature. Thermal efficiency increases linearly with compression ratio, but decreases with ambient temperature. Specific fuel consumption (SFC) increases with ambient temperature and lower turbine inlet temperature. Compression ratio, ambient temperature, and air-to-fuel ratio significantly impact thermal efficiency and power output. The study also presents a parametric analysis of a two-shaft GT cycle model, evaluating power output, compression work, SFC, and thermal efficiency. Results show that turbine work decreases with ambient temperature, while thermal efficiency increases with compression ratio. The study discusses various techniques to improve GT performance, including increasing turbine inlet temperature and compressor pressure ratio. The analysis suggests that turbine isentropic efficiency has a greater impact on net power generated than compressor isentropic efficiency. The review also highlights the performance analysis of a simple open-cycle GT power plant, showing a loss of 3.28% in thermal efficiency with increasing ambient temperature. The study concludes that ambient temperature and pressure ratios strongly affect GT performance, and that combined cycle GT (CCGT) systems can achieve high overall thermal efficiencies of 58%.

Citation:

How to cite this article: Comprehensive Review and Analysis of Gas Turbine Power Plant Performance: Impact of Operating Conditions, Ambient Temperature, and Cycle Configurations. International Journal of I.C. Engines and Gas Turbines. 2026; 12(1): -p.

How to cite this URL: , Comprehensive Review and Analysis of Gas Turbine Power Plant Performance: Impact of Operating Conditions, Ambient Temperature, and Cycle Configurations. International Journal of I.C. Engines and Gas Turbines. 2026; 12(1): -p. Available from:https://journalspub.com/publication/ijicegt/article=26185

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