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Cylinder pressure, performance parameters, heat release, specific heats ratio and duration of combustion for spark ignition engine

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  • Shehata, M.S.

Abstract

An experimental work were conducted for investigating cylinder pressure, performance parameters, heat release, specific heat ratio and duration of combustion for multi cylinder spark ignition engine (SIE). Ccylinder pressure was measured for gasoline, kerosene and Liquefied Petroleum Gases (LPG) separately as a fuel for SIE. Fast Fourier Transformations (FFT) was used to cylinder pressure data transform from time domain into frequency domain to develop empirical correlation for calculating cylinder pressures at different engine speeds and different fuels. In addition, Inverse Fast Fourier Transformations (IFFT) was used to cylinder pressure reconstruct into time domain. The results gave good agreement between the measured cylinder pressure and the reconstructed cylinder pressure in time domain with different engine speeds and different fuels. The measured cylinder pressure and hydraulic dynamotor were the sours of data for calculating engine performance parameters. First law of thermodynamics and single zone heat release model with temperature dependant specific heat ratio γ(T) were the main tools for calculating heat release and heat transfer to cylinder walls. Third order empirical correlation for calculating γ(T) was one of the main gains of the present study. The correlation gave good agreement with other researchers with wide temperatures range. For kerosene, cylinder pressure is higher than for gasoline and LPG due to high volumetric efficiency where kerosene density (mass/volume ratio) is higher than gasoline and LPG. In addition, kerosene heating value is higher than gasoline that contributes in heat release rate and pressure increases. Duration of combustion for different engine speeds was determined using four different methods: (I) Mass fuel burnt, (II) Entropy change, (III) Temperature dependant specific heat ratio γ(T), and (IV) Logarithmic scale of (P&V). The duration of combustion for kerosene is smaller than for gasoline and LPG due to high heat release rate. Cylinder pressure measuring technique is a useful tool for understanding and analyzing the combustion characteristics and determining reliable statistical data that cannot measure directly. The present work contributes in determining combustion characteristics, development and optimal operating conditions of SIE for different fuels.

Suggested Citation

  • Shehata, M.S., 2010. "Cylinder pressure, performance parameters, heat release, specific heats ratio and duration of combustion for spark ignition engine," Energy, Elsevier, vol. 35(12), pages 4710-4725.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:12:p:4710-4725
    DOI: 10.1016/j.energy.2010.09.027
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    Cited by:

    1. Wei, Jiangjun & He, Chengjun & Lv, Gang & Zhuang, Yuan & Qian, Yejian & Pan, Suozhu, 2021. "The combustion, performance and emissions investigation of a dual-fuel diesel engine using silicon dioxide nanoparticle additives to methanol," Energy, Elsevier, vol. 230(C).
    2. Antonio Lecuona & José I. Nogueira & Antonio Famiglietti, 2021. "Open Dual Cycle with Composition Change and Limited Pressure for Prediction of Miller Engines Performance and Its Turbine Temperature," Energies, MDPI, vol. 14(10), pages 1-25, May.
    3. Mwangi, John Kennedy & Lee, Wen-Jhy & Chang, Yu-Cheng & Chen, Chia-Yang & Wang, Lin-Chi, 2015. "An overview: Energy saving and pollution reduction by using green fuel blends in diesel engines," Applied Energy, Elsevier, vol. 159(C), pages 214-236.
    4. Bodisco, Timothy & Brown, Richard J., 2013. "Inter-cycle variability of in-cylinder pressure parameters in an ethanol fumigated common rail diesel engine," Energy, Elsevier, vol. 52(C), pages 55-65.
    5. Myung, Cha-Lee & Choi, Kwanhee & Kim, Juwon & Lim, Yunsung & Lee, Jongtae & Park, Simsoo, 2012. "Comparative study of regulated and unregulated toxic emissions characteristics from a spark ignition direct injection light-duty vehicle fueled with gasoline and liquid phase LPG (liquefied petroleum ," Energy, Elsevier, vol. 44(1), pages 189-196.
    6. EL-Seesy, Ahmed I. & Hassan, Hamdy, 2019. "Investigation of the effect of adding graphene oxide, graphene nanoplatelet, and multiwalled carbon nanotube additives with n-butanol-Jatropha methyl ester on a diesel engine performance," Renewable Energy, Elsevier, vol. 132(C), pages 558-574.
    7. Djouadi, Amel & Bentahar, Fatiha, 2016. "Combustion study of a spark-ignition engine from pressure cycles," Energy, Elsevier, vol. 101(C), pages 211-217.
    8. El-Seesy, Ahmed I. & Hassan, Hamdy & Ookawara, S., 2018. "Effects of graphene nanoplatelet addition to jatropha Biodiesel–Diesel mixture on the performance and emission characteristics of a diesel engine," Energy, Elsevier, vol. 147(C), pages 1129-1152.
    9. Maroteaux, Fadila & Saad, Charbel, 2013. "Diesel engine combustion modeling for hardware in the loop applications: Effects of ignition delay time model," Energy, Elsevier, vol. 57(C), pages 641-652.
    10. Zhang, Shuanlu & Zhao, Changlu & Zhao, Zhenfeng & Ma, Fukang, 2015. "Combustion characteristics analysis of hydraulic free piston diesel engine," Applied Energy, Elsevier, vol. 160(C), pages 761-768.

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