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      디젤 분무와 천연 가스 분류의 거동 특성에 관한 기초 연구

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      https://www.riss.kr/link?id=A76602339

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      다국어 초록 (Multilingual Abstract)

      This basic study is required to examine spray or jet behavior depending on fuel phase. In this study, analyses of diesel fuel(n-Tridecane, C13H28) spray and natural gas fuel(Methane, CH4) jet under high temperature and pressure are performed by a general-purpose program, ANSYS CFX release 11.0, and the results of these are compared with experimental results of diesel fuel spray using the exciplex fluorescence method. The simulation results of diesel spray is analyzed by using the combination of Large-Eddy Simulation(LES) and Lagrangian Particle Tracking(LPT) and of a natural gas jet is analyzed by using Multi-Component Model(MCM). There are two study variables considered, that is, ambient pressure and injection pressure. In a macroscopic analysis, the higher ambient pressure is, the shorter spray or jet tip penetration is at each time after start of injection. And the higher injection pressure is, the longer spray or jet tip penetration is at each time after start of injection. When liquid fuel is injected, droplets of the fuel need some time to evaporate. However, when natural gas fuel is injected, the fuel does not need time to evaporate. Gas fuel consists of minute particles. Therefore, the gas fuel is mixed with the ambient gas more quickly at the initial time of injection than the liquid fuel is done. The experimental results also validate the usefulness of this analysis.
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      This basic study is required to examine spray or jet behavior depending on fuel phase. In this study, analyses of diesel fuel(n-Tridecane, C13H28) spray and natural gas fuel(Methane, CH4) jet under high temperature and pressure are performed by a gene...

      This basic study is required to examine spray or jet behavior depending on fuel phase. In this study, analyses of diesel fuel(n-Tridecane, C13H28) spray and natural gas fuel(Methane, CH4) jet under high temperature and pressure are performed by a general-purpose program, ANSYS CFX release 11.0, and the results of these are compared with experimental results of diesel fuel spray using the exciplex fluorescence method. The simulation results of diesel spray is analyzed by using the combination of Large-Eddy Simulation(LES) and Lagrangian Particle Tracking(LPT) and of a natural gas jet is analyzed by using Multi-Component Model(MCM). There are two study variables considered, that is, ambient pressure and injection pressure. In a macroscopic analysis, the higher ambient pressure is, the shorter spray or jet tip penetration is at each time after start of injection. And the higher injection pressure is, the longer spray or jet tip penetration is at each time after start of injection. When liquid fuel is injected, droplets of the fuel need some time to evaporate. However, when natural gas fuel is injected, the fuel does not need time to evaporate. Gas fuel consists of minute particles. Therefore, the gas fuel is mixed with the ambient gas more quickly at the initial time of injection than the liquid fuel is done. The experimental results also validate the usefulness of this analysis.

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      참고문헌 (Reference)

      1 강정호, "직분식 CNG 엔진에서 연료 분사시기의 변화가 연소 및 출력 특성에 미치는 영향" 한국자동차공학회 15 (15): 193-200, 2007

      2 정대용, "극초고압 디젤 자유분무의 분무양상에 관한 연구" 한국자동차공학회 13 (13): 131-137, 2005

      3 Senda, J, "Spray Characteristics of Non-Reacting Diesel Fuel Spray by Experiments and Simulations with KIVA-II Code" 149-156, 1997

      4 Vourinen, V, "Large-Eddy Simulation on the Effect of Droplet Size Distribution on Mixing of Passive Scalar in a Spray" 2008

      5 Drozda, T. G, "Large Eddy Simulation of Direct Injection Processesfor Hydrogen and LTC Engine Applications" 2008

      6 Yeom, J. K., "Effect of the change in injection pressure on the mixture formation process in evaporative free diesel spray" 9 (9): 214-219, 2005

      7 Yeom, J. K, "Effect of the change in ambient gas density on the mixture formation process in evaporative free diesel spray" 9 (9): 209-213, 2005

      8 Kyu Keun Song, "Effect of the Injection Parameters on Diesel Spray Characteristics" 대한기계학회 19 (19): 1321-1328, 2005

      9 Tsukasa, H, "Effect of Convective Schemes on LES of Fuel Spray by Use of KIVALES" 2008

      10 Versteeg, H. K, "An introduction to computational fluid dynamics" Pearson Education Ltd. 98-110, 2007

      1 강정호, "직분식 CNG 엔진에서 연료 분사시기의 변화가 연소 및 출력 특성에 미치는 영향" 한국자동차공학회 15 (15): 193-200, 2007

      2 정대용, "극초고압 디젤 자유분무의 분무양상에 관한 연구" 한국자동차공학회 13 (13): 131-137, 2005

      3 Senda, J, "Spray Characteristics of Non-Reacting Diesel Fuel Spray by Experiments and Simulations with KIVA-II Code" 149-156, 1997

      4 Vourinen, V, "Large-Eddy Simulation on the Effect of Droplet Size Distribution on Mixing of Passive Scalar in a Spray" 2008

      5 Drozda, T. G, "Large Eddy Simulation of Direct Injection Processesfor Hydrogen and LTC Engine Applications" 2008

      6 Yeom, J. K., "Effect of the change in injection pressure on the mixture formation process in evaporative free diesel spray" 9 (9): 214-219, 2005

      7 Yeom, J. K, "Effect of the change in ambient gas density on the mixture formation process in evaporative free diesel spray" 9 (9): 209-213, 2005

      8 Kyu Keun Song, "Effect of the Injection Parameters on Diesel Spray Characteristics" 대한기계학회 19 (19): 1321-1328, 2005

      9 Tsukasa, H, "Effect of Convective Schemes on LES of Fuel Spray by Use of KIVALES" 2008

      10 Versteeg, H. K, "An introduction to computational fluid dynamics" Pearson Education Ltd. 98-110, 2007

      11 "ANSYS CFX release 11.0" ANSYS Europe, Ltd 1996

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      유사연구자 (20) 활용도상위20명

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2022 평가예정 재인증평가 신청대상 (재인증)
      2020-01-01 학술지명변경 한글명 : 한국동력기계공학회지 -> 동력시스템공학회지
      외국어명 : Journal of the Korean Society for Power System Engineering -> Journal of Power System Engineering
      KCI등재
      2019-01-01 평가 등재학술지 유지 (계속평가) KCI등재
      2016-01-01 평가 등재학술지 유지 (계속평가) KCI등재
      2012-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2009-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      2008-01-01 평가 등재후보 1차 PASS (등재후보1차) KCI등재후보
      2007-01-01 평가 등재후보학술지 유지 (등재후보1차) KCI등재후보
      2006-01-01 평가 등재후보학술지 유지 (등재후보1차) KCI등재후보
      2004-01-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.22 0.22 0.21
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.19 0.18 0.334 0.06
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