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雾化与喷雾
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EXPERIMENTAL INVESTIGATION ON FUEL FILM FORMATION BY SPRAY IMPINGEMENT ON FLAT WALLS WITH DIFFERENT SURFACE ROUGHNESS

卷 27, 册 7, 2017, pp. 611-628
DOI: 10.1615/AtomizSpr.2017019706
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Hongliang Luo
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, PR China; Department of Mechanical Systems Engineering, Graduate School of Advanced Science and Engineering, University of Hiroshima 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan; School of Mechatronics Engineering, Foshan University, Foshan, 528225, PR China
Shintaro Uchitomi
Department of Mechanical System Engineering, University of Hiroshima, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
Keiya Nishida
Department of Mechanical System Engineering, University of Hiroshima, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
Youichi Ogata
Graduate School of Advanced Science and Engineering, University of Hiroshima, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
Wu Zhang
Mazda Motor Corporation, 3-1 Shinchi, Fuchu-cho, Aki-gun, Hiroshima 730-8670, Japan
Tatsuya Fujikawa
Mazda Motor Corporation, 3-1 Shinchi, Fuchu-cho, Aki-gun, Hiroshima 730-8670, Japan

摘要

The impingement of fuel sprays on the wall in direct-injection spark-ignition (DISI) engines affects mixture preparation, combustion performance, and pollutant emissions. A better understanding of the fuel film behaviors is required to reduce exhaust emissions and fuel consumption. In this work, the experimental results of fuel spray impinging behaviors and adhered fuel film formation were measured by Mie scattering and refractive index matching (RIM) methods. The spray tip penetration and impinging spray height were discussed; the mass, area, and thickness of the fuel film were investigated under different conditions, including wall surface roughness, injection pressure, and ambient pressure. The results show that an increase in the wall roughness decreases the spray tip penetration, increases the impinging spray height, and decreases the uniformity of the fuel film distribution. An increase in ambient pressure results in a more uniform distribution of the fuel film.

键词: fuel spray, direct-injection spark-ignition engine, fuel film characteristics, wall impingement, Mie scattering method, refractive index matching method
对本文的引用

  1. Luo Hongliang, Nishida Keiya, Uchitomi Shintaro, Ogata Youichi, Zhang Wu, Fujikawa Tatsuya, Effect of temperature on fuel adhesion under spray-wall impingement condition, Fuel, 234, 2018. Crossref

  2. Luo Hongliang, Nishida Keiya, Uchitomi Shintaro, Ogata Youichi, Zhang Wu, Fujikawa Tatsuya, Microscopic behavior of spray droplets under flat-wall impinging condition, Fuel, 219, 2018. Crossref

  3. Wang Jiguang, Yu Hanzhengnan, Li Mengliang, Liang Xingyu, Liu Hai, Experimental and Numerical Study on Effects of Impingement Parameters on Fuel-Air Mixture Formation in the Near Wall Region for Diesel-DME Blended Fuels, SAE Technical Paper Series, 1, 2018. Crossref

  4. Luo Hongliang, Nishida Keiya, Uchitomi Shintaro, Ogata Youichi, Zhang Wu, Fujikawa Tatsuya, Effect of spray impingement distance on piston top fuel adhesion in direct injection gasoline engines, International Journal of Engine Research, 21, 5, 2020. Crossref

  5. He Xu, Li Yankai, Sjöberg Magnus, Vuilleumier David, Ding Carl-Philipp, Liu Fushui, Li Xiangrong, Impact of coolant temperature on piston wall-wetting and smoke generation in a stratified-charge DISI engine operated on E30 fuel, Proceedings of the Combustion Institute, 37, 4, 2019. Crossref

  6. Luo Hongliang, Uchitomi Shintaro, Watanabe Tomohiro, Nishida Keiya, Ogata Youichi, Zhang Wu, Hara Ryosuke, Fujikawa Tatsuya, Effects of Nozzle Hole Diameter and Injection Pressure on Fuel Adhesion of Flat-Wall Impinging Spray, SAE Technical Paper Series, 1, 2019. Crossref

  7. Luo Hongliang, Nishida Keiya, Ogata Youichi, Evaporation characteristics of fuel adhesion on the wall after spray impingement under different conditions through RIM measurement system, Fuel, 258, 2019. Crossref

  8. Powell Tommy, O’Donnell Ryan, Hoffman Mark, Filipi Zoran, Jordan Eric H, Kumar Rishi, Killingsworth Nick J, Experimental investigation of the relationship between thermal barrier coating structured porosity and homogeneous charge compression ignition engine combustion, International Journal of Engine Research, 22, 1, 2021. Crossref

  9. Luo Hongliang, Nishida Keiya, Ogata Youichi, Fuel adhesion characteristics under non-evaporation and evaporation conditions: Part 2 – Effect of ambient pressure, Fuel, 251, 2019. Crossref

  10. Wang Chao, Cao Jianlin, Long Wuqiang, Design and application of an automatic extraction algorithm to evaluate diesel spray characteristics in supercritical environment, Applied Thermal Engineering, 159, 2019. Crossref

  11. Wang Chao, Wang Ye, Zhu Jingyu, Long Wuqiang, Nishida Keiya, Design and application of an algorithm for measuring particle velocity based on multiple characteristics of a particle, Fuel, 271, 2020. Crossref

  12. Duronio Francesco, De Vita Angelo, Allocca Luigi, Anatone Michele, Gasoline direct injection engines – A review of latest technologies and trends. Part 1: Spray breakup process, Fuel, 265, 2020. Crossref

  13. Filipi Zoran, Hoffman Mark, O’Donnell Ryan, Powell Tommy, Jordan Eric, Kumar Rishi, Enhancing the efficiency benefit of thermal barrier coatings for homogeneous charge compression ignition engines through application of a low-k oxide, International Journal of Engine Research, 22, 6, 2021. Crossref

  14. Luo Hongliang, Ogata Youichi, Nishida Keiya, Effects of Droplet Behaviors on Fuel Adhesion of Flat Wall Impinging Spray Injected by a DISI Injector, SAE Technical Paper Series, 1, 2019. Crossref

  15. Luo Hongliang, Wang Chao, Nishida Keiya, Ogata Youichi, Chen Run, Characteristics of droplet behaviors after the end of injection in a high-pressure constant volume chamber, Fuel, 267, 2020. Crossref

  16. Luo Hongliang, Wang Chao, Nishida Keiya, Ogata Youichi, Long Wuqiang, Zhang Wu, Hara Ryosuke, Fujikawa Tatsuya, Droplet Behaviors of DI Gasoline Wall Impinging Spray by Spray Slicer, SAE Technical Paper Series, 1, 2020. Crossref

  17. Luo Hongliang, Chang Feixiang, Zhan Cheng, Nishida Keiya, Ogata Yoichi, Zhang Jin, Yao Jing, Kong Xiangdong, Zhu Jingyu, Microscopic characteristics of multiple droplets behaviors at the near-wall region during the quasi-steady state, Fuel, 286, 2021. Crossref

  18. Luo Hongliang, Nishida Keiya, Ogata Youichi, Zhang Wencan, Microscopic characteristics of near-nozzle spray at the initial and end stages, Fuel, 283, 2021. Crossref

  19. Luo Hongliang, Jin Yu, Nishida Keiya, Ogata Youichi, Yao Jing, Chen Run, Microscopic characteristics of impinging spray sliced by a cone structure under increased injection pressures, Fuel, 284, 2021. Crossref

  20. Luo Hongliang, Experimental Investigations on Fuel Spray and Impingement for Gasoline Direct Injection Engines, in Internal Combustion Engine Technology and Applications of Biodiesel Fuel, 2021. Crossref

  21. Luo Hongliang, Zhang Gengxin, Chang Feixiang, Jin Yu, Ba Kaixian, Ogata Yoichi, Nishida Keiya, Comparisons in spray and atomization characteristics with/without hydro-erosive (HE) grinding in nozzle orifice under non-evaporation and evaporation conditions, Fuel, 297, 2021. Crossref

  22. Steinberg Christoph, Hung David L. S., Transient mapping of high-pressure impinging spray boundary contour on stepped geometries, Journal of Visualization, 23, 6, 2020. Crossref

  23. Zhang Gengxin, Si Zhanbo, Zhai Chang, Luo Hongliang, Ogata Yoichi, Nishida Keiya, Characteristics of wall-jet vortex development during fuel spray impinging on flat-wall under cross-flow conditions, Fuel, 317, 2022. Crossref

  24. Gulfam Raza, Bioinspired Smart Surfaces and Droplet Dynamics-A Brief Review, in Droplet Dynamics [Working Title], 2022. Crossref

  25. Lei Jilin, Li Jianwei, Liu Yi, Ethanol drop impingement on ultracold surfaces under low-temperature cold-start conditions of engines, Fuel, 311, 2022. Crossref

  26. Luo Hongliang, Chang Feixiang, Behaviors of Multi-Droplets Impacting on a Flat Wall, in Droplet Dynamics [Working Title], 2022. Crossref

  27. Wang Lingzi, Li Xinyong, Lu Ye, Feng Jianmei, Peng Xueyuan, Effects of the surface roughness on the separation efficiency of oil–gas mixture impingement on the vertical wall, Chemical Engineering Research and Design, 179, 2022. Crossref

  28. Yan Ziming, Levi Arye, Zhang Yu, Sellnau Mark, Filipi Zoran, Lawler Benjamin, A numerical evaluation and guideline for thermal barrier coatings on gasoline compression ignition engines, International Journal of Engine Research, 2022. Crossref

  29. Zhang Gengxin, Shi Penghua, Luo Hongliang, Ogata Yoichi, Nishida Keiya, Investigation on fuel adhesion characteristics of wall-impingement spray under cross-flow conditions, Fuel, 320, 2022. Crossref

  30. Wang Lingzi, Li Xinyong, Kong Xiangcheng, Feng Jianmei, Peng Xueyuan, Dynamics of micrometer-sized droplet impact on vertical walls with different surface roughness, European Journal of Mechanics - B/Fluids, 96, 2022. Crossref

  31. Steinberg Christoph, Liu Menqgi, Hung David L.S., A combined experimental–numerical study towards the elucidation of spray–wall interaction on step geometries, Engineering Applications of Computational Fluid Mechanics, 16, 1, 2022. Crossref

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