한국가스학회지 (Journal of the Korean Institute of Gas)

  • 제26권4호
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  • Pages.1-8
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  • 2022
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  • 1226-8402(pISSN)
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  • 2713-6922(eISSN)
한국가스학회 (The Korean Institute of GAS)
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DME를 연료로 하는 압축 착화 엔진 용 플런저식 고압펌프의 유량 성능 연구

A Study on the Flow Rate Performance of Plunger-Type High-Pressure Pump for Compression Ignition Engine Using DME as Fuel

  • 정재희 (울산대학교 기계공학과) ;
  • 이세준 (울산대학교 기계공학부) ;
  • 유동규 (울산대학교 기계공학과) ;
  • 임옥택 (울산대학교 기계공학부)
  • Jeong, Jaehee (School of Mechanical Engineering, University of Ulsan) ;
  • Lee, Sejun (School of Mechanical Engineering, University of Ulsan) ;
  • Yu, Donggyu (School of Mechanical Engineering, University of Ulsan) ;
  • Lim, Ocktaeck (School of Mechanical Engineering, University of Ulsan)
  • 투고 : 2022.03.21
  • 심사 : 2022.06.24
  • 발행 : 2022.08.31
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초록

디젤엔진의 대체 연료로 연구되고 있는 청정연료인 DME는 디젤엔진의 중요한 문제 중 하나인 배기가스를 줄일 수 있으며, 세탄가와 산소함유량이 매우 높다. DME는 LPG와 유사한 특성을 가진 연료로 LPG 유통 인프라를 사용할 수 있다. 본 연구에서는 플런저식 고압펌프의 성능평가를 위해 토출된 질량유량에 대한 기초 데이터베이스 구축을 목표로 하였으며, 커먼레일 압력과 모터 회전속도를 변화시켜 플런저식 고압펌프의 질량유량을 분석하였다. 실험 조건은 커먼레일 압력을 300 bar, 400 bar, 500 bar 로 변경하였고, 모터 회전 속도를 300 rpm에서 1000 rpm 으로 증가시켰다. 실험 결과 두 경우 모두 질량유량이 증가하였다.

DME, a clean fuel that is being studied as an alternative fuel for diesel engines, can reduce exhaust gas, which is the one of the crucial problems of diesel engines, and has a very high cetane number and high oxygen content. DME is a fuel has properties similar with LPG and can use the infrastructure of LPG. In this study, The target was to build a database of basic data on the mass flow rate discharged for the performance evaluation of the plunger-type high pressure pump. In this study, the mass flow rate of the DME plunger type high pressure pump was analyzed by changing the common rail pressure and the motor rotation speed. The experimental conditions were the common rail pressure was changed from 300 to 500 bar and the motor rotation speed was changed from 300 to 1000 rpm. In addition, basic mass flow data were constructed to high-pressure pumps for DME. As a result of the experiment, in both cases the mass flow rate was increased.

키워드

과제정보

본 결과물은 농림축산식품부 및 과학기술정보통신부, 농촌진흥청의 재원으로 농림식품기술기획평가원과 재단법인 스마트팜연구개발사업단의 스마트팜다부처패키지 혁신기술개발사업의 지원을 받아 연구되었음.(421038-03) 한국연구재단(과기부)의기본연구지원사업(과제번호 : NRF -2021 R1F1A104823812, 과제명 : 암모니아-디젤융합연소모델 신뢰도 향상과 연소효율 및 배출가스 개선을 위한 최적연소전략 도출에 관한연구)의 지원을 받아 수행된 연구 결과입니다. 2021년도 교육부의 재원으로 한국연구재단의 지원을 받아 수행된 지자체-대학 협력 기반지역혁신사업의 결과입니다.(2021RIS-003)

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