Facilitating AHP-TOPSIS Method for Reliability Analysis of a Marine LNG-Diesel Dual Fuel Engine
Volume 10, Number 5, July 2014, Paper 2, pp 453-466
CHENGPENG WAN1, XINPING YAN1,2, DI ZHANG2, JING SHI3, SHANSHAN FU21 School of Energy & Power Engineering, Wuhan University of Technology, Wuhan, 430063 P. R. CHINA
2 Engineering Research Center for Transportation Safety (Ministry of Education), Wuhan, 430063 P. R. CHINA
3 Mangement School, University of Liverpool, Liverpool, L697ZH, U.K.
(Received on November 11, 2013, revised on Feb. 15, April 07 and April 30, 2014)
Recent years, with the rapid development of world economy, energy consumption is sharply increasing and the environment is deteriorating. Liquefied Natural Gas (LNG), a clean renewable energy which can be used as ship fuel, is drawing attentions from more and more countries over the world. However, the conversion of the LNG-diesel dual fuel engine (DFE) in China as a new research is just in its infancy, therefore the operability and safety of the technology have to be further concerned. In view of this, taking the China inland's first transformed marine DFE GC6135ACz as an example, a risk assessment on the failures of DFE engine has been carried out by analytic hierarchy process (AHP) and technique for order preference by similarity to ideal solution (TOPSIS) method. Key factors for failures of DFE as well as the optimal risk control options (RCOs) have been obtained by expert survey data, so as to enhance the safety level of marine LNG-diesel DFEs.
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