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Micro-/nanoscaled irreversible Otto engine cycle with friction loss and boundary effects and its performance characteristics

Author

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  • Nie, Wenjie
  • Liao, Qinghong
  • Zhang, ChunQiang
  • He, Jizhou

Abstract

An irreversible cycle model of the micro-/nanoscaled Otto engine cycle with internal friction loss is established. The general expressions of the work output and efficiency of the cycle are calculated based on the finite system thermodynamic theory, in which the quantum boundary effect of gas particles as working substance and the mechanical Casimir effect of gas system are considered. It is found that, for a micro-/nanoscaled Otto cycle devices, the work output W and efficiency η of the cycle can be expressed as the functions of the temperature ratio τ of the two heat reservoirs, the volume ratio rV and the surface area ratio rA of the two isochoric processes, the dimensionless thermal wavelength λ and other parameters of cycle, while for a macroscaled Otto cycle devices, the work output W0 and efficiency η0 of the cycle are independent of the surface area ratio rA and the dimensionless thermal wavelength λ. Further, the influence of boundary of cycle on the performance characteristics of the micro-/nanoscaled Otto cycle are analyzed in detail by introducing the output ratio W/W0 and efficiency ratio η/η0. The results present the general performance characteristics of a micro-/nanoscaled Otto cycle and may serve as the basis for the design of a realistic Otto cycle device in micro-/nanoscale.

Suggested Citation

  • Nie, Wenjie & Liao, Qinghong & Zhang, ChunQiang & He, Jizhou, 2010. "Micro-/nanoscaled irreversible Otto engine cycle with friction loss and boundary effects and its performance characteristics," Energy, Elsevier, vol. 35(12), pages 4658-4662.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:12:p:4658-4662
    DOI: 10.1016/j.energy.2010.09.039
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    References listed on IDEAS

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    1. Nie, Wenjie & He, Jizhou & Du, Jianqiang, 2009. "Performance characteristic of a Stirling refrigeration cycle in micro/nano scale," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(4), pages 318-324.
    2. Firat, C. & Sisman, A. & Ozturk, Z.F., 2010. "Thermodynamics of gases in nano cavities," Energy, Elsevier, vol. 35(2), pages 814-819.
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    Cited by:

    1. Açıkkalp, Emin & Caner, Necmettin, 2015. "Determining of the optimum performance of a nano scale irreversible Dual cycle with quantum gases as working fluid by using different methods," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 433(C), pages 247-258.
    2. Ahmadi, Mohammad H. & Amin Nabakhteh, Mohammad & Ahmadi, Mohammad-Ali & Pourfayaz, Fathollah & Bidi, Mokhtar, 2017. "Investigation and optimization of performance of nano-scale Stirling refrigerator using working fluid as Maxwell–Boltzmann gases," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 483(C), pages 337-350.
    3. Nie, Wenjie & Lü, Ke & Chen, Aixi & He, Jizhou & Lan, Yueheng, 2018. "Performance optimization of single and two-stage micro/nano-scaled heat pumps with internal and external irreversibilities," Applied Energy, Elsevier, vol. 232(C), pages 695-703.
    4. Su, Shanhe & Guo, Juncheng & Su, Guozhen & Chen, Jincan, 2012. "Performance optimum analysis and load matching of an energy selective electron heat engine," Energy, Elsevier, vol. 44(1), pages 570-575.
    5. Dalkıran, Alper & Açıkkalp, Emin & Caner, Necmettin, 2016. "Analysis of a quantum irreversible Otto cycle with exergetic sustainable index," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 453(C), pages 316-326.
    6. Açıkkalp, Emin & Caner, Necmettin, 2015. "Determining performance of an irreversible nano scale dual cycle operating with Maxwell–Boltzmann gas," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 424(C), pages 342-349.
    7. Guo, Juncheng & Zhang, Xiuqin & Su, Guozhen & Chen, Jincan, 2012. "The performance analysis of a micro-/nanoscaled quantum heat engine," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(24), pages 6432-6439.

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