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http://dx.doi.org/10.3795/KSME-A.2017.41.1.069

Design of Hybrid Rocket System Using Qualitative and Semi-Quantitative Reliability Analysis  

Moon, Keun Hwan (Dept. of Aerospace and Mechanical Engineering, Korea Aerospace Univ.)
Park, Young Hoon (Dept. of Aerospace and Mechanical Engineering, Korea Aerospace Univ.)
Choi, Joo Ho (Dept. of Aerospace and Mechanical Engineering, Korea Aerospace Univ.)
Kim, Jin Kon (Dept. of Aerospace and Mechanical Engineering, Korea Aerospace Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.41, no.1, 2017 , pp. 69-76 More about this Journal
Abstract
In this study, design of a small hybrid rocket is carried out using Failure Mode and Effects Analysis (FMEA) and Criticality Analysis(CA), which is a method for qualitative and semi-quantitative reliability analysis. In order to carry out FMEA, the structure of the hybrid rocket is divided into 31 parts and 72 potential failure modes. As a result of the FMEA, the relationship between potential failure modes, causes and effects, and their severity are evaluated qualitatively. Criticality analysis is followed for the failure modes, in which the criticality number is estimated using the failure rate information available from the handbook. Moreover, the failure modes with higher criticality and severity are chosen for improvement, and a series of design or material changes are made for the improvement of the hybrid rocket reliability.
Keywords
Hybrid Rocket; FMEA; CA; Criticality; Severity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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