Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Performance Analysis of High Efficiency Co-generation System Using the Experimental Design Method

실험계획법을 이용한 고효율 소형 열병합 시스템 성능 해석

  • Ryu, Mi-Ra (BK21 Advanced Vehicle Core Parts Research Group, Inje University) ;
  • Lee, Jun-Sik (Department of Mechanical Engineering, Graduate School, Inje University) ;
  • Park, Jeong-Ho (Division of Automotive & Mechanical Engineering, Changwon Moonsung University) ;
  • Lee, Seong-Beom (School of Mechanical and Automotive Engineering/High Safety Vehicle Core Technology Research Center, Inje University) ;
  • Lee, Dae-Hee (School of Mechanical and Automotive Engineering/High Safety Vehicle Core Technology Research Center, Inje University)
  • 류미라 (인제대학교 BK21미래형 자동차사업팀) ;
  • 이준식 (인제대학교 기계자동차공학부) ;
  • 박정호 (창원 문성대학 자동차 기계학부) ;
  • 이성범 (인제대학교 기계자동차공학부 고안전 차량 핵심 기술연구소) ;
  • 이대희 (인제대학교 기계자동차공학부 고안전 차량 핵심 기술연구소)
  • Received : 2010.09.09
  • Accepted : 2011.11.09
  • Published : 2012.05.01
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Abstract

As a kind of distributed energy system, the co-generation system based Diesel engine using after-treatment device was devised for its environmental friendly and economic qualities. It is utilized in that the electric power is produced by the generator connected to the Diesel engine, and waste heat is recovered from both the exhaust gases and the engine itself by the finned tube and shell & tube heat exchangers. An after-treatment device composed ceramic heater and DOC(Diesel Oxidation Catalyst) is installed at the engine outlet in order to completely reignite the unburned fuel from the Diesel engine. In this study, mutual relation of each experimental condition was derived through minimum number of experiment using Taguchi Design and ANOVA recently used in the various fields. It is found that the total efficiency (thermal efficiency plus electric power generation efficiency) of this system reaches maximum 94.4% which is approximately higher than that of the typical diesel engine exhaust heat recovery system.

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References

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