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Exergy, Economic and Environmental Analysis for Simple and Combined Heat and Power IC Engines

Author

Listed:
  • Mehdi Aliehyaei

    (Department of Mechanical Engineering, Islamic Azad University, Pardis Branch, Pardis New City, Iran)

  • Farideh Atabi

    (Science and Research Branch, Islamic Azad University, Tehran, Iran)

  • Mohammad Khorshidvand

    (Dezful Branch, Islamic Azad University, 113 Dezful City, Iran)

  • Marc A. Rosen

    (Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, ON L1H 7K4, Canada)

Abstract

This study reports the results of exergy, economic and environmental analyses of simple and combined heat and power internal combustion engines. Values of entropy production, second law efficiency are calculated, and an objective function, including initial, operation, maintenance and fuel costs, as well as the external costs of environmental pollutants, such as CO 2 , CO and NO x , are presented for the flue gas of the internal combustion engine. The results show that entropy generation in the combined heat and power mode is 30% lower than that in the simple internal combustion engine. Also, by excessively increasing the air ratio, the system entropy generation decreases in both cases of simple and combined heat and power IC engines. The greatest portion of entropy generation is related to the combined heat and power internal combustion engine. The gas heat exchanger generates more entropy than the jacket heat exchanger. Lower values of electricity cost and external costs of air pollution are provided by higher values of molar air to fuel ratio. The environmental aspects depend on location of the system and time of engine operation.

Suggested Citation

  • Mehdi Aliehyaei & Farideh Atabi & Mohammad Khorshidvand & Marc A. Rosen, 2015. "Exergy, Economic and Environmental Analysis for Simple and Combined Heat and Power IC Engines," Sustainability, MDPI, vol. 7(4), pages 1-14, April.
  • Handle: RePEc:gam:jsusta:v:7:y:2015:i:4:p:4411-4424:d:48147
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    References listed on IDEAS

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    1. Fu, Jianqin & Liu, Jingping & Ren, Chengqin & Wang, Linjun & Deng, Banglin & Xu, Zhengxin, 2012. "An open steam power cycle used for IC engine exhaust gas energy recovery," Energy, Elsevier, vol. 44(1), pages 544-554.
    2. Roque Díaz, P. & Benito, Y.R. & Parise, J.A.R., 2010. "Thermoeconomic assessment of a multi-engine, multi-heat-pump CCHP (combined cooling, heating and power generation) system – A case study," Energy, Elsevier, vol. 35(9), pages 3540-3550.
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    Cited by:

    1. Moein Shamoushaki & Mehdi Aliehyaei & Farhad Taghizadeh-Hesary, 2021. "Energy, Exergy, Exergoeconomic, and Exergoenvironmental Assessment of Flash-Binary Geothermal Combined Cooling, Heating and Power Cycle," Energies, MDPI, vol. 14(15), pages 1-24, July.
    2. Grazia Ghermandi & Sara Fabbi & Barbara Arvani & Giorgio Veratti & Alessandro Bigi & Sergio Teggi, 2017. "Impact Assessment of Pollutant Emissions in the Atmosphere from a Power Plant over a Complex Terrain and under Unsteady Winds," Sustainability, MDPI, vol. 9(11), pages 1-16, November.
    3. Ghorbani, Bahram & Shirmohammadi, Reza & Mehrpooya, Mehdi & Mafi, Mostafa, 2018. "Applying an integrated trigeneration incorporating hybrid energy systems for natural gas liquefaction," Energy, Elsevier, vol. 149(C), pages 848-864.
    4. Jing Lin & Boqiang Lin, 2016. "How Much CO 2 Emissions Can Be Reduced in China’s Heating Industry," Sustainability, MDPI, vol. 8(7), pages 1-16, July.
    5. Baogui Xin & Zhiheng Wu, 2015. "Neimark–Sacker Bifurcation Analysis and 0–1 Chaos Test of an Interactions Model between Industrial Production and Environmental Quality in a Closed Area," Sustainability, MDPI, vol. 7(8), pages 1-19, July.
    6. Ahbabi Saray, Jabraeil & Heyhat, Mohammad Mahdi, 2022. "Modeling of a direct absorption parabolic trough collector based on using nanofluid: 4E assessment and water-energy nexus analysis," Energy, Elsevier, vol. 244(PB).

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