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Design and simulation of a solar-powered/fuel-assisted rankine engine for power generation

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  • Gari, H.
  • Khalifa, A.
  • Radhwan, A.

Abstract

A solar-powered/fuel-assisted steam Rankine engine (SPFASRE) that generates a 36 kW steady electrical power is designed. Steam is generated at 230°C using an unfired boiler. The boiler is connected to oil loops that utilize 400 m2 of single axis tracking concentrating parabolic-trough collectors and an auxiliary gas-fired heater. The steam leaving the boiler is superheated to 400°C in an LPG-fired superheater. The Rankine engine features a two-stage turbine. The calculated steam Rankine cycle's efficiency at design condition is 23·2%. A computer program was developed to simulate the system's performance under design and off-design conditions. The results of the simulation indicate that the size of the solar collector chosen provides from 80% to 85% of the total energy required for the Rankine cycle during the summer, fall and spring seasons. In the winter season, however, about 70% of the total energy is supplied by solar energy. This paper describes the design of SPFASRE and its seasonally projected performance for Jeddah's climate in Saudi Arabia.

Suggested Citation

  • Gari, H. & Khalifa, A. & Radhwan, A., 1988. "Design and simulation of a solar-powered/fuel-assisted rankine engine for power generation," Applied Energy, Elsevier, vol. 30(4), pages 245-260.
    • Handle: RePEc:eee:appene:v:30:y:1988:i:4:p:245-260
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    Cited by:

    1. Cavalcanti, Eduardo J.C. & Motta, Henrique Pereira, 2015. "Exergoeconomic analysis of a solar-powered/fuel assisted Rankine cycle for power generation," Energy, Elsevier, vol. 88(C), pages 555-562.
    2. Janjai, S. & Laksanaboonsong, J. & Seesaard, T., 2011. "Potential application of concentrating solar power systems for the generation of electricity in Thailand," Applied Energy, Elsevier, vol. 88(12), pages 4960-4967.

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