THERMAL SCIENCE
International Scientific Journal
FINITE TIME THERMODYNAMIC MODELING AND ANALYSIS FOR AN IRREVERSIBLE ATKINSON CYCLE
ABSTRACT
Performance of an air-standard Atkinson cycle is analyzed by using finite-time thermodynamics. The irreversible cycle model which is more close to practice is founded. In this model, the nonlinear relation between the specific heats of working fluid and its temperature, the friction loss computed according to the mean velocity of the piston, the internal irreversibility described by using the compression and expansion efficiencies, and heat transfer loss are considered. The relations between the power output and the compression ratio, between the thermal efficiency and the compression ratio, as well as the optimal relation between power output and the efficiency of the cycle are derived by detailed numerical examples. Moreover, the effects of internal irreversibility, heat transfer loss and friction loss on the cycle performance are analyzed. The results obtained in this paper may provide guidelines for the design of practical internal combustion engines.
KEYWORDS
PAPER SUBMITTED: 2009-01-28
PAPER REVISED: 2009-04-14
PAPER ACCEPTED: 2009-04-30
THERMAL SCIENCE YEAR
2010, VOLUME
14, ISSUE
Issue 4, PAGES [887 - 896]
- Andresen, B., Salamon, P., Berry, R. S., Thermodynamics in Finite Time, Phys. Today, 37 (1984), 9, pp. 62-70
- Sieniutycz, S., Salamon, P., Advances in Thermodynamics, Vol. 4, 1990, Finite Time Thermodynamics and Thermoeconomics, Taylor & Francis, New York, USA
- Radcenco, V., Generalized Thermodynamics, Editura Techica, Bucharest, 1994
- Bejan, A., Entropy Generation Minimization: The New Thermodynamics of Finite-Size Device and Finite-Time Processes, J. Appl. Phys., 79 (1996), 3, pp. 1191-1218
- Hoffmann, K. H., Burzler, J. M., Schubert S., Endoreversible Thermodynamics, J. Non-Equilib. Thermodyn., 22 (1997), 4, pp. 311-355
- Berry, R. S., et al., Thermodynamic Optimization of Finite Time Processes, John Wiley and Sons, Chichester, UK, 1999
- Chen, L., Wu, C., Sun, F., Finite Time Thermodynamic Optimization or Entropy Generation Minimization of Energy Systems, J. Non-Equilib. Thermodyn., 24 (1999), 4, pp. 327-359
- Chen, L., Sun, F., Advances in Finite Time Thermodynamics: Analysis and Optimization, Nova Science Publishers, New York, USA, 2004
- Radcenco, V., et al., New Approach to Thermal Power Plants Operation Regimes Maximum Power versus Maximum Efficiency, Int. J. Thermal Sciences, 46 (2007), 12, pp. 1259-1266
- Feidt, M., Optimal Use of Energy Systems and Processes, Int. J. Exergy, 5 (2008), 5/6, pp. 500- 531
- Chen, L., et al., Efficiency of an Atkinson Engine at Maximum Power Density, Energy Convers. Mgnt., 39 (1998), 3/4, pp. 337-341
- Qin, X., Chen, L., Sun, F., The Universal Power and Efficiency Characteristics for Irreversible Reciprocating Heat Engine Cycles, Eur. J. Phys., 24 (2003), 4, pp. 359-366
- Ge, Y., et al., Reciprocating Heat-Engine Cycles, Appl. Energy, 81 (2005), 4, pp. 397-408
- Ge, Y., et al., Performance of an Endoreversible Atkinson Cycle, J. Energy Institute, 80 (2007), 1, pp. 52-54
- Ge, Y., et al., Performance of Atkinson Cycle with Heat Transfer, Friction and Variable Specific Heats of Working Fluid, Appl. Energy, 83 (2006), 11, pp. 1210-1221
- Wang, P., Hou, S., Performance Analysis and Comparison of an Atkinson Cycle Coupled to Variable Temperature Heat Reservoirs under Maximum Power and Maximum Power Density Conditions, Energy Convers. Mgnt., 46 (2005), 15-16, pp. 2637-2655
- Zhao, Y., Chen, J., Performance Analysis and Parametric Optimum Criteria of an Irreversible Atkinson Heat-Engine, Appl. Energy, 83 (2006), 8, pp. 789-800
- Hou, S., Comparison of Performances of Air Standard Atkinson and Otto Cycles with Heat Transfer Considerations, Energy Convers. Mgnt., 48 (2007), 5, pp. 1683-1690
- Lin, J., Hou, S., Influence of Heat Loss on the Performance of an Air-Standard Atkinson Cycle, Appl. Energy, 84 (2007), 9, pp. 904-920
- Al-Sarkhi, A., et al., Efficiency of Atkinson Engine at Maximum Power Density Using Temperature Dependent Specific Heats, Jordan J. Mech. Industrial Engineering, 2 (2008), 2, pp. 71-75
- Abu-Nada, E., et al., Thermodynamic Modeling of Spark-Ignition Engine: Effect of Temperature Dependent Specific Heats, Int. Comm. Heat Mass Transfer, 32 (2005), 8, pp. 1045-1056
- Al-Sarkhi, A., et al., Performance Evaluation of Irreversible Miller Engine under Various Specific Heat Models, Int. Comm. Heat Mass Transfer, 34 (2007), 7, pp. 897-906
- Parlak, A., Sahin, B., Performance Optimization of Reciprocating Heat Engine Cycles with Internal Irreversibility, J. Energy Institute, 79 (2006), 4, pp. 241-245
- Zhao, Y., et al., Performance Analysis and Parametric Optimum Design of an Irreversible Diesel Heat Engine, Energy Convers. Mgnt., 47 (2006), 18-19, pp. 3383-3392
- Zhao, Y., Chen, J., An Irreversible Heat Engine Model Including Three Typical Thermodynamic Cycles and the Optimum Performance Analysis, Int. J. Thermal Science, 46 (2007), 6, pp. 605-613
- Zhao, Y., Chen, J., Performance Analysis of an Irreversible Miller Heat Engine and Its Optimal Criteria, Appl. Thermal Engng., 27 (2007), 11-12, pp. 2051-2058
- Zhao, Y., Lin, B., Chen, J., Optimum Criteria on the Important Parameters of an Irreversible Otto Heat Engine with the Temperature-Dependent Heat Capacities of the Working Fluid, ASME Trans. J. Energy Res. Tech., 129 (2007), 4, pp. 348-354
- Zhao, Y., Chen, J., Optimum Performance Analysis of an Irreversible Diesel Heat Engine Affected by Variable Heat Capacities of Working Fluid, Energy Convers. Mgnt., 48 (2007), 9, pp. 2595-2603
- Ge, Y., Chen, L., Sun, F., Finite Time Thermodynamic Modeling and Analysis for an Irreversible Diesel Cycle, Proceedings, IMechE, Part D: J. Automobile Engineering, 222 (2008), D5, pp. 887-894
- Ge, Y., Chen, L., Sun, F., Finite Time Thermodynamic Modeling and Analysis of an Irreversible Otto Cycle, Appl. Energy, 85 (2008), 7, pp. 618-624
- Chen, L., et al., Effects of Heat Transfer, Friction and Variable Specific Heats of Working Fluid on Performance of an Irreversible Dual Cycle, Energy Convers. Mgnt., 47 (2006), 18-19, pp. 3224-3234
- Ge, Y., et al., Thermodynamic Simulation of Performance of an Otto Cycle with Heat Transfer and Variable Specific Heats of Working Fluid, Int. J. Thermal Science, 44 (2005), 5, pp. 506-511
- Ge, Y., et al., The effects of Variable Specific Heats of Working Fluid on the Performance of an Irreversible Otto Cycle, Int. J. Exergy, 2 (2005), 3, pp. 274-283
- Ge, Y., et al., Performance of an Endoreversible Diesel Cycle with Variable Specific Heats of Working Fluid, Int. J. Ambient Energy, 29 (2008), 3, pp.127-136
- Ge, Y., et al., Performance of Diesel Cycle with Heat Transfer, Friction and Variable Specific Heats of Working Fluid, J. Energy Institute, 80 (2007), 4, pp. 239-242
- Ge, Y., et al., Performance of Reciprocating Brayton Cycle with Heat Transfer, Friction and Variable Specific Heats of Working Fluid, Int. J. Ambient Energy, 29 (2008), 2, pp. 65-74
- Ge, Y., et al., Effects of Heat Transfer and Variable Specific Heats of Working Fluid on Performance of a Miller Cycle, Int. J. Ambient Energy, 26 (2005), 4, pp. 203-214
- Chen, L., Ge, Y., Sun, F., Unified Thermodynamic Description and Optimization for a Class of Irreversible Reciprocating Heat Engine Cycles, Proceedings, IMechE, Part D: J. Automobile Engineering, 222 (2008), D8, pp. 1489-1500
- Al-Sarkhi, A., et al., Effects of Friction and Temperature-Dependent Specific-Heat of the Working Fluid on the Performance of a Diesel-Engine, Appl. Energy, 83 (2006), 2, pp. 153-165
- Al-Sarkhi, A., Jaber, J. O., Probert, S. D., Efficiency of a Miller Engine, Appl. Energy, 83 (2006), 4, pp. 343-351