Theoretical and experimental study of a micro jet engine start-up behaviour

Show simple item record Montazeri-Gh, Morteza Fashandi, Seyed Alireza Miran Jafari, Soheil 2018-07-05T10:26:21Z 2018-07-05T10:26:21Z 2018-06
dc.identifier.citation Montazeri-Gh M, Fashandi SAM, Jafari S, Theoretical and experimental study of a micro jet engine start-up behaviour, Tehnicki Vjesnik/Technical Gazette, Vol. 25, Issue 3, June 2018, pp. 839-845 en_UK
dc.identifier.issn 1330-3651
dc.description.abstract Proper functioning of the start-up process in a micro jet engine is of great importance. This is due to the fact that the combustion chamber of such engine is so small and therefore, there is little time for fuel and air mixture to be present in the chamber. Hence, failed starts or repetitive attempts by the electric starter are very likely due to non-formation of the initial combustion. Also, the performance of the turbine start-up, impressively affects the limited life time of the micro jet engine. In this paper, an experimental study on the injection of compressed air during the start-up of a micro jet engine to improve its performance has been conducted. For this purpose, test components’ layout and a monitoring system are designed. The allowable pressure of the air injection has been calculated using both the engine dynamic model and experimental tests. The simulation results have also been compared and validated with the experimental test results. Finally, several tests were conducted to study the injection process of the compressed air form which, several results have been deduced including the reduction of maximum exhaust gas temperature (EGT) during the start-up, reduction of the start-up time interval and service lifetime enhancement. The method proposed in this paper is applicable on any micro jet engine with the similar structural form and starting process. en_UK
dc.language.iso en en_UK
dc.publisher Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek en_UK
dc.rights Attribution 4.0 International *
dc.rights.uri *
dc.subject Dynamic modelling en_UK
dc.subject Experimental test en_UK
dc.subject Micro jet engine en_UK
dc.subject Start-up en_UK
dc.title Theoretical and experimental study of a micro jet engine start-up behaviour en_UK
dc.type Article en_UK

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