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Received February 16, 2018
Accepted August 16, 2018
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Evaluation of the cavitation effect on liquid fuel atomization by numerical simulation
Department of Applied Environmental Science, Kyung Hee University, Yongin 17104, Korea 1EG Power Tech Co., Ltd., Suwon 16229, Korea 2Dept. of Mechanical Design, Kangwon National University, Samcheok 25913, Korea
Korean Journal of Chemical Engineering, November 2018, 35(11), 2164-2171(8), 10.1007/s11814-018-0141-6
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Abstract
Heavy duty diesel vehicles deteriorate urban air quality by discharging a large volume of air pollutants such as soot and nitrogen oxides. In this study, a newly introduced auxiliary device a fuel activation device (FAD) to improve the combustion efficiency of internal engines by utilizing the cavitation effect was closely investigated by the fluid flow mechanism via a numerical analysis method. As a result, the FAD contributed to fuel atomization from the injection nozzle at lower inlet pressure by reducing the pressure energy. The improved cavitation effect facilitated fuel atomization, and ultimately reduced pollutant emission due to the decrease in fuel consumption. The axial velocity along the flow channel was increased 8.7 times with the aid of FAD, which improved the primary break-up of bubbles. The FAD cavitation effect produced 1.09-times larger turbulent bubbles under the same pressure and fuel injection amount than without FAD.
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He Z, Yuhang C, Xianyin L, Qian W, Genmiao G, Int. Commun. Heat Mass Transf., 76, 108 (2016)
Park S, Woo S, Kim H, Lee K, Appl. Energy, 176, 209 (2016)
Salvadora FJ, Romero JV, Rosello MD, Jaramillo D, J. Comput. Appl. Mathematics, 291, 94 (2016)
Mohan B, Yang WM, Chou SK, Energy Conv. Manag., 77, 269 (2014)
Ghiji M, Goldsworthy L, Brandner PA, Garaniya V, Hield P, Fuel, 175, 274 (2016)
Sou A, Hosokawa S, Tomiyama A, Int. J. Heat Mass Transf., 50(17-18), 3575 (2007)
Pyszczek R, Kapusta LJ, Teodorczyk A, J. Power Technol., 97(1), 52 (2017)
He Z, Shao Z, Wang Q, Zhong W, Tao X, Exp. Therm. Fluid Sci., 60, 252 (2015)
Lefebvre AH, Taylor Francis, New York (1989).
Baumgarten C, Stegemann J, Marker GP, Proc. of 18th ILASS Europe Conference, Zaragoza, Spain, 15 (2002).
Payri F, Payri R, Salvador FJ, Martinez-Lopez J, Comput. Fluids, 58, 88 (2012)
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Soteriou C, Andrews R, Smith M, SAE Paper, Paper No. 950080 (1995).
Nurick WH, Trans. ASME, 98(4), 681 (1976)
Payri F, Bermudez V, Payri R, Salvador FJ, Fuel, 83(4-5), 419 (2004)
Hiroyasu H, Arai M, Shimizu M, Proceedings of International Conference on Liquid Atomization and Spray Systems, 91(ICLASS91), 275 (1991).
Qiu T, Song X, Lei Y, Liu X, An X, Lai M, Appl. Therm. Eng., 109, 364 (206)
Zhandi A, Sohrabi S, Shams M, Int. J. Automotive Eng., 5, 940 (2015)
Som S, Aggarwal SK, El-Hannouny EM, Longman DE, J. Eng. Gas Turbines Power, 132(4), 042802 (2010)
Molina S, Salvador FJ, Carreres M, Jaramillo D, Energy Conv. Manag., 79, 114 (2014)
Sun ZY, Li GX, Chen C, Yu YS, Gao GX, Energy Conv. Manag., 89, 843 (2015)
Wang F, He Z, Liu J, Wang Q, Int. J. Automotive Technol., 16(4), 539 (2015)
Gavaises M, Andriotis A, Papoulias D, Theodorakakos A, Phys. Fluids, 21, 052107 (2017)
Feng JP, Choi SI, Seo HS, Jo YM, Korean J. Chem. Eng. (2018), DOI:10.1007/s11814-018-0106-9.
