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Preliminary Design of a Mini Gas Turbine via 1D Methodology

Author

Listed:
  • Ramon Francesconi

    (Department of Mechanical, Energy, Management and Transportation Engineering, University of Genoa, Via Montallegro 1, 16145 Genoa, Italy)

  • Matteo Luzzi

    (Department of Mechanical, Energy, Management and Transportation Engineering, University of Genoa, Via Montallegro 1, 16145 Genoa, Italy)

  • Dario Barsi

    (Department of Mechanical, Energy, Management and Transportation Engineering, University of Genoa, Via Montallegro 1, 16145 Genoa, Italy)

  • Francesca Satta

    (Department of Mechanical, Energy, Management and Transportation Engineering, University of Genoa, Via Montallegro 1, 16145 Genoa, Italy)

  • Fabrizio Stefani

    (Department of Mechanical, Energy, Management and Transportation Engineering, University of Genoa, Via Montallegro 1, 16145 Genoa, Italy)

  • Pietro Zunino

    (Department of Mechanical, Energy, Management and Transportation Engineering, University of Genoa, Via Montallegro 1, 16145 Genoa, Italy)

Abstract

To address the increasing interest towards more environmentally friendly naval transportation and the introduction of IMO2020 restrictions on pollutant emissions onboard ships, the present work details the preliminary design of a mini gas turbine engine, i.e., a gas turbine engine with an output power up to 5 MW, for onboard energy generation. In comparison to conventional propulsion systems, gas turbine units benefit from known compactness, which can be further enhanced by employing single-stage uncooled radial machines, according to similar works in the field. As such, the present paper aims to set up a complete procedure that allows a reliable and fast (i.e., requiring a limited computational effort) preliminary design of one-stage centrifugal compressors and radial turbines operating at a high pressure ratio via the use of classical one-dimensional theory. The aerodynamic design outputs in terms of forces and torques are then used to perform a preliminary mechanical design of the shaft by means of a one-dimensional finite element model with commercial software to estimate the corresponding shaft line stress. Despite some necessary geometrical and modeling simplification of the design problem, which results in the unavailability of detailed information on individual components, the employed procedure nevertheless allows a comprehensive overview of the possibilities in terms of maximum machine performance achievable at an early design stage with the associated limited computational requirements. The design procedure and the geometry achieved for the application are presented along with aerodynamic and structural results.

Suggested Citation

  • Ramon Francesconi & Matteo Luzzi & Dario Barsi & Francesca Satta & Fabrizio Stefani & Pietro Zunino, 2022. "Preliminary Design of a Mini Gas Turbine via 1D Methodology," Energies, MDPI, vol. 15(21), pages 1-18, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:21:p:8293-:d:964935
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    References listed on IDEAS

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    1. Fabrizio Reale & Raniero Sannino, 2022. "Numerical Modeling of Energy Systems Based on Micro Gas Turbine: A Review," Energies, MDPI, vol. 15(3), pages 1-24, January.
    2. Ekaterina Sokolova & Khashayar Sadeghi & Seyed Hadi Ghazaie & Dario Barsi & Francesca Satta & Pietro Zunino, 2022. "Feasibility of Hybrid Desalination Plants Coupled with Small Gas Turbine CHP Systems," Energies, MDPI, vol. 15(10), pages 1-13, May.
    3. Ronelly De Souza & Melchiorre Casisi & Diego Micheli & Mauro Reini, 2021. "A Review of Small–Medium Combined Heat and Power (CHP) Technologies and Their Role within the 100% Renewable Energy Systems Scenario," Energies, MDPI, vol. 14(17), pages 1-30, August.
    4. Armellini, A. & Daniotti, S. & Pinamonti, P. & Reini, M., 2018. "Evaluation of gas turbines as alternative energy production systems for a large cruise ship to meet new maritime regulations," Applied Energy, Elsevier, vol. 211(C), pages 306-317.
    5. Dario Barsi & Matteo Luzzi & Francesca Satta & Pietro Zunino, 2021. "On the Possible Introduction of Mini Gas Turbine Cycles Onboard Ships for Heat and Power Generation," Energies, MDPI, vol. 14(3), pages 1-12, January.
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