Experimental Investigation on Pulsejet Engines

dc.contributor.advisorDr. Andrey Kuznetsov, Committee Memberen_US
dc.contributor.advisorDr. Terry Scharton, Committee Memberen_US
dc.contributor.advisorDr. William Roberts, Committee Chairen_US
dc.contributor.authorAbhinavam Kailasanathan, Ranjith Kumaren_US
dc.date.accessioned2010-04-02T18:05:46Z
dc.date.available2010-04-02T18:05:46Z
dc.date.issued2008-04-25en_US
dc.degree.disciplineMechanical Engineeringen_US
dc.degree.levelthesisen_US
dc.degree.nameMSen_US
dc.description.abstractThe primary objective of this research was to experimentally validate the performance of the flares and find an optimal geometry. A computational model of the 50cm jet was used by was Tao Geng to investigate the fundamental principle and operation of a pulsejet with flares.He obtained results that noticed a significant increase in thrust for a particular Area Ratio (AR) and decreased as Area Ratio (AR) increased. This particular Area Ratio (AR = 2) of flare (Optimum) was greater than that of the Hobby Scale Jet, which had an Area Ratio of 1.4. Flares with various Area Ratios (AR = 2,1.4,3.24 and 1) were machined as attachments, which would fit onto the pulsejet, for investigation. Thrust, combustion chamber pressure and Thrust Specific Fuel Consumption (TSFC) were measured for all the cases and compared to the values for the Hobby Scale Pulsejet, to ascertain performance variations.Also experiments were done which included development of a reliable method of thrust measurement and implementation of this method for the augmenter studies on the 50cm pulsejet.Finally development of an unconventional conceptual pulsejet (based on Helmholtz Resonator) and operation of a 1 meter Valved Pulsejet is pursued.en_US
dc.identifier.otheretd-01042008-121142en_US
dc.identifier.urihttp://www.lib.ncsu.edu/resolver/1840.16/1639
dc.rightsI hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dis sertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee. I hereby grant to NC State University or its agents the non-exclusive license to archive and make accessible, under the conditions specified below, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.en_US
dc.subjecthelmholtz resonatoren_US
dc.subjectexhaust flaresen_US
dc.subjectPIVen_US
dc.subjectvalveden_US
dc.subjectpulsejeten_US
dc.titleExperimental Investigation on Pulsejet Enginesen_US

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