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Availability analysis of a turbocharged diesel engine operating under transient load conditions

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  • Rakopoulos, C.D.
  • Giakoumis, E.G.

Abstract

A computer analysis is developed for studying the energy and availability performance of a turbocharged diesel engine, operating under transient load conditions. The model incorporates many novel features for the simulation of transient operation, such as detailed analysis of mechanical friction, separate consideration for the processes of each cylinder during a cycle (“multi-cylinder” model) and mathematical modeling of the fuel pump. This model has been validated against experimental data taken from a turbocharged diesel engine, located at the authors’ laboratory and operated under transient conditions. The availability terms for the diesel engine and its subsystems are analyzed, i.e. cylinder for both the open and closed parts of the cycle, inlet and exhaust manifolds, turbocharger and aftercooler. The present analysis reveals, via multiple diagrams, how the availability properties of the diesel engine and its subsystems develop during the evolution of the engine cycles, assessing the importance of each property. In particular the irreversibilities term, which is absent from any analysis based solely on the first-law of thermodynamics, is given in detail as regards transient response as well as the rate and cumulative terms during a cycle, revealing the magnitude of contribution of all the subsystems to the total availability destruction.

Suggested Citation

  • Rakopoulos, C.D. & Giakoumis, E.G., 2004. "Availability analysis of a turbocharged diesel engine operating under transient load conditions," Energy, Elsevier, vol. 29(8), pages 1085-1104.
    • Handle: RePEc:eee:energy:v:29:y:2004:i:8:p:1085-1104
    DOI: 10.1016/j.energy.2004.02.028
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    References listed on IDEAS

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    1. Dunbar, William R. & Lior, Noam & Gaggioli, Richard A., 1991. "Combining fuel cells with fuel-fired power plants for improved exergy efficiency," Energy, Elsevier, vol. 16(10), pages 1259-1274.
    2. Rakopoulos, C.D & Kyritsis, D.C, 2001. "Comparative second-law analysis of internal combustion engine operation for methane, methanol, and dodecane fuels," Energy, Elsevier, vol. 26(7), pages 705-722.
    3. Rakopoulos, C.D. & Giakoumis, E.G., 1997. "Simulation and exergy analysis of transient diesel-engine operation," Energy, Elsevier, vol. 22(9), pages 875-885.
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    1. Hoseinpour, Marziyeh & Sadrnia, Hassan & Tabasizadeh, Mohammad & Ghobadian, Barat, 2017. "Energy and exergy analyses of a diesel engine fueled with diesel, biodiesel-diesel blend and gasoline fumigation," Energy, Elsevier, vol. 141(C), pages 2408-2420.
    2. Gogoi, T.K. & Baruah, D.C., 2010. "A cycle simulation model for predicting the performance of a diesel engine fuelled by diesel and biodiesel blends," Energy, Elsevier, vol. 35(3), pages 1317-1323.
    3. Jafarmadar, Samad, 2014. "Multidimensional modeling of the effect of EGR (exhaust gas recirculation) mass fraction on exergy terms in an indirect injection diesel engine," Energy, Elsevier, vol. 66(C), pages 305-313.
    4. Zare, Ali & Bodisco, Timothy A. & Nabi, Md Nurun & Hossain, Farhad M. & Rahman, M.M. & Ristovski, Zoran D. & Brown, Richard J., 2017. "The influence of oxygenated fuels on transient and steady-state engine emissions," Energy, Elsevier, vol. 121(C), pages 841-853.
    5. Rakopoulos, C.D. & Giakoumis, E.G., 2006. "Comparative first- and second-law parametric study of transient diesel engine operation," Energy, Elsevier, vol. 31(12), pages 1927-1942.
    6. Chintala, Venkateswarlu & Subramanian, K.A., 2014. "Assessment of maximum available work of a hydrogen fueled compression ignition engine using exergy analysis," Energy, Elsevier, vol. 67(C), pages 162-175.
    7. Rakopoulos, C.D. & Michos, C.N. & Giakoumis, E.G., 2008. "Availability analysis of a syngas fueled spark ignition engine using a multi-zone combustion model," Energy, Elsevier, vol. 33(9), pages 1378-1398.
    8. Rakopoulos, C.D. & Scott, M.A. & Kyritsis, D.C. & Giakoumis, E.G., 2008. "Availability analysis of hydrogen/natural gas blends combustion in internal combustion engines," Energy, Elsevier, vol. 33(2), pages 248-255.
    9. Gonca, Guven & Sahin, Bahri & Parlak, Adnan & Ayhan, Vezir & Cesur, Idris & Koksal, Sakip, 2017. "Investigation of the effects of the steam injection method (SIM) on the performance and emission formation of a turbocharged and Miller cycle diesel engine (MCDE)," Energy, Elsevier, vol. 119(C), pages 926-937.

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