지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수2
NOMENCLATURE IVLIST OF TABLES VIILIST OF FIGURES VIIII. Introduction 11. Background 11.1 Historical review of pintle injector 11.2 Structure of pintle injector 21.3 Advantage of pintle injector[1] 21.3.1 Cost effectiveness 21.3.2 Wide operating range 31.3.3 Stability 32. Literature survey 42.1 Over sea 42.2 Domestic research 72.3 Purpose of research 8II. Theoretical consideration 91. Pintle injector[11] 91.1 TMR(Total Momentum Ratio) 91.2 BF(Blockage Factor) 101.3 Shape of post orifice 101.4 selection of central propellent 111.5 Skip ratio 112. Performance parameters for rocket engine 132.1 Trust coefficient 132.2 Characteristic velocity 132.3 Characteristic velocity efficiency 142.4 Specific impulse 14III. Design and manufacturing 151. Design specification 152. Combustion chamber and nozzle design 172.1 Combustion chamber design 172.2 Nozzle design 183. Pintle post slit shape design 203.1 BF variation 213.2 Effects of the number of slits and slit angle 213.3 ΔSR for canted slit 223.4 Ignitor 23IV. Test facility 241. Cold flow test facility 252. Firing test facility 282.1 Propellant pressurization system 282.2 Propellant supply system 292.3 Piping and valve 302.4 Horizontal firing test stand 313. Control and data acquisition system 32V. Experimental method and results 331. Cold flow test 332. Firing test cyclogram 383. Firing test with different slit shape 383.2 Test result of injector 1(standard injector) 393.3 Test result of injector 2 403.4 Test result of injector 3 413.5 Test result of injector 4 423.6 Test result of injector 5 433.7 Analysis of test results 44VI. Conclustion 48REFERENCE 49초 록 51
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