Analysis of a novel rotating disk cylinder engine concept for power generation

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dc.contributor.author Le Roux, Willem Gabriel
dc.contributor.author Swanepoel, Pieter J.
dc.date.accessioned 2019-03-26T09:23:10Z
dc.date.issued 2019-01
dc.description.abstract A new type of engine concept is proposed, namely a rotating disk cylinder engine. Unique secondary rotors with grooves act as guide vanes for a working fluid to power a main rotor with multiple cylindrical pistons. Currently, no literature exists on the proposed device and the modelling thereof. The aim of this paper is to determine the dynamic and thermodynamic behaviour of the machine so that recommendations can be made for further research work. A transient as well as a steady‐state thermodynamic model is developed for an adiabatic expansion process using first and second law analysis with air as ideal gas. The model is compared with experimental results of a piston engine driven by compressed air. Results show that the secondary rotor's angle of rotation is not a linear function of the main rotor's angle of rotation, which suggests a limitation in terms of operating speed. Furthermore, for constant power, the efficiency increases as the inlet pressure and speed decrease, while for constant efficiency, the power increases as the inlet pressure and speed increase. Results show the advantage of using three secondary rotors as it drastically decreases the pressure requirement for a constant torque output. The speed and inlet pressure of the device is, however, limited by the mass and material properties of the rotors as well as the effects of leakage. These limitations have not been considered in this initial analysis of the device and are recommended for future work. en_ZA
dc.description.department Mechanical and Aeronautical Engineering en_ZA
dc.description.embargo 2020-01-01
dc.description.librarian hj2019 en_ZA
dc.description.uri http://wileyonlinelibrary.com/journal/er en_ZA
dc.identifier.citation Le Roux WG, Swanepoel PJ. Analysis of a novel rotating disk cylinder engine concept for power generation. International Journal of Energy Research 2019;43:580–588. https://doi.org/10.1002/er.4242. en_ZA
dc.identifier.issn 0363-907X (print)
dc.identifier.issn 1099-114X (online)
dc.identifier.other 10.1002/er.4242
dc.identifier.uri http://hdl.handle.net/2263/68708
dc.language.iso en en_ZA
dc.publisher Wiley en_ZA
dc.rights © 2018 John Wiley & Sons, Ltd. This is the pre-peer reviewed version of the following article : Analysis of a novel rotating disk cylinder engine concept for power generation. International Journal of Energy Research 2019;43:580–588. https://doi.org/10.1002/er.4242. The definite version is available at : http://wileyonlinelibrary.com/journal/er. en_ZA
dc.subject Thermodynamic analysis en_ZA
dc.subject Rotating cylinder engine en_ZA
dc.subject Rotary vane expander en_ZA
dc.subject Expander en_ZA
dc.subject Exergy analysis en_ZA
dc.subject Dynamic analysis en_ZA
dc.subject Energy en_ZA
dc.subject Design en_ZA
dc.subject Working en_ZA
dc.subject Performance en_ZA
dc.subject Rotary engine en_ZA
dc.subject Scroll expander en_ZA
dc.subject Rankine cycle en_ZA
dc.subject Low‐grade heat en_ZA
dc.subject Waste heat recovery en_ZA
dc.subject Single screw expander en_ZA
dc.title Analysis of a novel rotating disk cylinder engine concept for power generation en_ZA
dc.type Postprint Article en_ZA


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