Thermodynamic analysis and analytical simulation of the Rallis modified Stirling cycle

• Autorzy: Ranjan Ravi Kant , Verma Suresh Kant

Identyfikatory

DOI

10.24425/ather.2019.129541

• Języki publikacji: EN

Abstrakty

EN

A Stirling cycle was developed by Rallis considering the adiabatic behaviour instead of isothermal behaviour of working fluid inside the expansion/compression volume, since the isothermal processes are very difficult to be realised in actual practice due to irreversibilities. In order to increase the performance of Rallis Stirling cycle engine, two modified versions of Rallis Stirling cycle engine model have been proposed and developed, called as Rallis modified Stirling cycle engine (RMSE). In this paper, the thermodynamic analysis of the developed models have been carried out and the simulated results are compared with the Rallis ideal model of Stirling cycle engine, as this model describes more accurately the thermodynamic cycle of practical Stirling machines. The results reveal the fact that the thermal efficiency of RMSE I model is enhanced by 38.06% and that of RMSE II model by 48.42%, whereas the power output is increased by 58.05% and 78.19% in case of RMSE I and RMSE II model respectively, when compared with the Rallis ideal adiabatic model of Stirling engine.

Słowa kluczowe

EN

rallis modified Stirling cycle engine; nonisothermal characteristics; power output; thermal efficiency

PL

charakterystyki nieizotermiczne; moc użyteczna; sprawność cieplna

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2019
• Tom: Vol. 40, no 2
• Strony: 35--67
• Opis fizyczny: Bibliogr. 37 poz., rys., tab.

Twórcy

autor

Ranjan Ravi Kant

• Mechanical Engineering Department, National Institute of Technology Patna, Ashok Rajpath, Patna-800 005, Bihar, India

autor

Verma Suresh Kant

• Mechanical Engineering Department, National Institute of Technology Patna, Ashok Rajpath, Patna-800 005, Bihar, India

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).