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http://dx.doi.org/10.20910/JASE.2017.11.4.48

Research on the Assembling Process of 7 tonf Class Small Liquid Rocket Engines  

Moon, In Sang (Launch Vehicle Engine Team, Korea Aerospace Research Institute)
Moon, Il Yoon (Launch Vehicle Engine Team, Korea Aerospace Research Institute)
Jeong, Eun Hwan (Launch Vehicle Engine Team, Korea Aerospace Research Institute)
Park, Soon Young (Launch Vehicle Engine Team, Korea Aerospace Research Institute)
Publication Information
Journal of Aerospace System Engineering / v.11, no.4, 2017 , pp. 48-53 More about this Journal
Abstract
Liquid rocket engines (LREs) are very complex systems that include combustion chambers, turbopumps, gas generators, ducts and tubes, valves and etc. Most components of the LREs require higher than or equal to level 6 IT (ISO Tolerance). The components along with pipe line and/or tubing must dispose not to interfere each other. In addition, effectiveness of maintenance and service after assembling should be considered when the allocation of the components are determined. Especially at the stage of the development, tolerance accumulations or unpredictable errors may result in misalignment and/or mismatches at interfaces of the parts. Namely, it is the engine assembling process that many inherent risks are realized and crises or incidents occur. Therefore, a rapid reaction system should be prepared. In this research, 7 tonf class liquid rocket assembling process was studied and actual building steps were introduced.
Keywords
Liquid Rocket Engine; Engine Assemble; Engine Build; Allowance Control; Assembling Process; Acceptance Tests;
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Times Cited By KSCI : 1  (Citation Analysis)
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1 http://dasan.sejong.ac.kr/-cad/files/CAD%201/10(draft)Dim%20tolerance-up.pdf
2 Yong-Hyun Chung, Eun-Seok Lee, Cheul-Woong Kim and Insang Moon, "Assembly for an Engineering Model of a Liquid Rocket Enigne," Aerospace Engineering and Technology, Vol. 5. No.1, pp. 132-139, 2006.
3 Yong-Hyun Chung and Eun-Seok Lee, "Study of Lay-out Design Concept for Liquid Rocket Engine System," J. of Aerospace System Engineering, Vol. 1. No. 4. pp. 42-45, 2007.
4 Sang-ho Kim, Soon-Young Park, Ok-koo Kim, Won-kook Cho, "A Study on the Leak Testing Method during the Assembling Process of a Liquid Rocket Engine," 44th 2015 KSPE Spring Conference, pp. 792-795, 2015.
5 Seung-Han Kim, Yong-Gap Chung, Seung-Won Wang, Yoon Seok So and Yeung- Min Han, "Development of 3rd Stage Engine Test Facility for KSLV-II Propulsion System," 40th 2013 KSPe Spring Conference, pp. 451-455, 2013.
6 Fastrac 60K Engine Operations and Mainten- ance Manual Vol. V: Servicing Procedures, Mission Operations Lab., 1999.
7 Lee, Soo Yong and 37 people, "Research on the Performance Enhancement of a Turbopump Fed Liquid Rocket Engine," Report of Fundamental Research of 2008, 2008.
8 Soon-young Park, Jong-Han Kim, Eun-Hwan Jung, "Introduction on the Assembly Process of KSLV-II 7 tonf Thrust Level Engine," 46th 2015 Spring, Conference, pp. 773-780, 2015.