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Designs 2018, 2(2), 14; https://doi.org/10.3390/designs2020014

Design and Optimization of Fuel Injection of a 50 kW Micro Turbogas

Department of Mechanical and Aerospace Engineering, La Sapienza University of Rome, 00185 Roma, Italy
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Received: 22 March 2018 / Revised: 1 May 2018 / Accepted: 16 May 2018 / Published: 18 May 2018
(This article belongs to the Special Issue Challenges and Progress in Turbomachinery Design)
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Abstract

The present article deals with the design of a micro turbogas turbine suitable for on board applications, e.g., as a power generator on hybrid transit bus, characterized by a simple constructive approach. Deriving the machine layout from an existing KJ-66 aircraft model engine, the authors propose a theoretical design of a compact, lightweight turbogas turbine, by investigating the technical possibility and limits of the proposed design. In particular, a different combustion chamber layout has been proposed, and fuel adduction channels for different swirler designs have been simulated via ANSYS Fluent in order to identify a satisfactory fuel spreading. As a result, the complete characterization of the design parameters and geometries has been performed, and a series of RANS simulations has been used in order to identify an optimal swirler configuration. View Full-Text
Keywords: turbogas; swirler; design; microturbine; compressor; turbine; CFD; fuel injection; hybrid bus turbogas; swirler; design; microturbine; compressor; turbine; CFD; fuel injection; hybrid bus
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Capata, R.; Achille, M. Design and Optimization of Fuel Injection of a 50 kW Micro Turbogas. Designs 2018, 2, 14.

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