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Performance improvements of the intercooled reheat recuperated gas-turbine cycle using absorption inlet-cooling and evaporative after-cooling

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  • Bassily, A. M.

Abstract

Inlet air-cooling improves both efficiency and power of gas-turbine cycles. An absorption inlet-cooling system is introduced to the intercooled reheat recuperated gas-turbine cycle (I cycle). The exhaust gas of the cycle is used to run the system, which cools the inlet air to the low-pressure compressor and high-pressure compressor using two stages of cooling in the intercooler. Five different layouts of the I cycle are presented. Those layouts include the effects of absorption inlet cooling, evaporative inlet cooling, evaporative aftercooling, and absorption inlet cooling with evaporative aftercooling. A parametric study of the effect of pressure ratio, ambient temperature, ambient relative-humidity, turbine's inlet-temperature (TIT), and the effectiveness of the recuperated heat-exchanger ([var epsilon]HE1) on the performance of all cycles is carried out. The results indicate that using two stages of cooling in the intercooler could boost the gain in efficiency, because of applying evaporative inlet cooling, by up to 1.55%. Applying absorption inlet-cooling could increase the efficiency of the I cycle by up to 6.6% compared with 3.9% for applying evaporative inlet cooling. Applying absorption inlet-cooling with evaporative aftercooling could increase the optimum efficiency of the I cycle by 3.5% and its maximum power by more than 50%. Increasing TIT increases the capacity of the recuperated heat-exchanger and absorption cooling system and raises the gain in efficiency because of increasing [var epsilon]HE1.

Suggested Citation

  • Bassily, A. M., 2004. "Performance improvements of the intercooled reheat recuperated gas-turbine cycle using absorption inlet-cooling and evaporative after-cooling," Applied Energy, Elsevier, vol. 77(3), pages 249-272, March.
    • Handle: RePEc:eee:appene:v:77:y:2004:i:3:p:249-272
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    Citations

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    Cited by:

    1. Singh, Omendra Kumar, 2016. "Performance enhancement of combined cycle power plant using inlet air cooling by exhaust heat operated ammonia-water absorption refrigeration system," Applied Energy, Elsevier, vol. 180(C), pages 867-879.
    2. Matjanov, Erkinjon, 2020. "Gas turbine efficiency enhancement using absorption chiller. Case study for Tashkent CHP," Energy, Elsevier, vol. 192(C).
    3. Khaliq, Abdul & Dincer, Ibrahim, 2011. "Energetic and exergetic performance analyses of a combined heat and power plant with absorption inlet cooling and evaporative aftercooling," Energy, Elsevier, vol. 36(5), pages 2662-2670.
    4. Mohapatra, Alok Ku & Sanjay,, 2014. "Thermodynamic assessment of impact of inlet air cooling techniques on gas turbine and combined cycle performance," Energy, Elsevier, vol. 68(C), pages 191-203.
    5. Saghafifar, Mohammad & Gadalla, Mohamed, 2015. "Analysis of Maisotsenko open gas turbine power cycle with a detailed air saturator model," Applied Energy, Elsevier, vol. 149(C), pages 338-353.
    6. Bassily, A.M., 2007. "Modeling, numerical optimization, and irreversibility reduction of a triple-pressure reheat combined cycle," Energy, Elsevier, vol. 32(5), pages 778-794.
    7. Park, Min Young & Shin, Serin & Kim, Eung Soo, 2015. "Effective energy management by combining gas turbine cycles and forward osmosis desalination process," Applied Energy, Elsevier, vol. 154(C), pages 51-61.
    8. Hassan Athari & Saeed Soltani & Marc A. Rosen & Seyed Mohammad Seyed Mahmoudi & Tatiana Morosuk, 2015. "Comparative Exergoeconomic Analyses of Gas Turbine Steam Injection Cycles with and without Fogging Inlet Cooling," Sustainability, MDPI, vol. 7(9), pages 1-22, September.
    9. Bassily, A.M., 2008. "Enhancing the efficiency and power of the triple-pressure reheat combined cycle by means of gas reheat, gas recuperation, and reduction of the irreversibility in the heat recovery steam generator," Applied Energy, Elsevier, vol. 85(12), pages 1141-1162, December.
    10. Athari, Hassan & Soltani, Saeed & Bölükbaşi, Abdurrahim & Rosen, Marc A. & Morosuk, Tatiana, 2015. "Comparative exergoeconomic analyses of the integration of biomass gasification and a gas turbine power plant with and without fogging inlet cooling," Renewable Energy, Elsevier, vol. 76(C), pages 394-400.
    11. Bassily, A.M., 2005. "Modeling, numerical optimization, and irreversibility reduction of a dual-pressure reheat combined-cycle," Applied Energy, Elsevier, vol. 81(2), pages 127-151, June.
    12. Mohammad Reza Majdi Yazdi & Mehdi Aliehyaei & Marc A. Rosen, 2015. "Exergy, Economic and Environmental Analyses of Gas Turbine Inlet Air Cooling with a Heat Pump Using a Novel System Configuration," Sustainability, MDPI, vol. 7(10), pages 1-28, October.
    13. Mahdi Deymi-Dashtebayaz & Parisa Kazemiani-Najafabad, 2019. "Energy, Exergy, Economic, and Environmental analysis for various inlet air cooling methods on Shahid Hashemi-Nezhad gas turbines refinery," Energy & Environment, , vol. 30(3), pages 481-498, May.

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