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Engineering    2019, Vol. 5 Issue (3) : 558 -567
Research Engines and Flues—Article |
An Experimental Investigation on Low Load Combustion Stability and Cold-Firing Capacity of a Gasoline Compression Ignition Engine
Lei Zhoua, Jianxiong Huaa, Haiqiao Weia(), Yiyong Hanab
a State Key Laboratory of Engines, Tianjin University, Tianjin 300072, China
b Guangxi Yuchai Machinery Co., Ltd., Yulin 537005, China
Abstract  Abstract

Gasoline compression ignition (GCI) is one of the most promising combustion concepts to maintain low pollutant emissions and high efficiency. However, low load combustion stability and firing in cold-start operations are two major challenges for GCI combustion. Strategies including negative valve overlap (NVO), advanced injection strategies, fuel reforming, and intake preheating have been proposed in order to solve these difficulties; however, the cold start is still an obstacle. The objective of this work is to study effective methods to achieve GCI engine cold start-up. This work combines NVO, in-cylinder fuel reforming, and intake preheating to achieve quick firing under cold-start conditions and the subsequent warm-up conditions. The results show that start of injection (SOI) during the intake stroke yields the best fuel economy, and injection during the compression stroke has the potential to extend the low load limit. Furthermore, SOI during the NVO period grants the ability to operate under engine conditions with cold intake air and coolant. With highly reactive products made by in-cylinder fuel reforming and fast heat accumulation in the combustion chamber, the NVO injection strategy is highly appropriate for GCI firing. An additional assisted technical method, such as intake preheating, is required to ignite the first firing cycle for a cold-start process. With the combination of NVO, in-cylinder fuel reforming, and intake preheating, the GCI engine successfully started within five combustion cycles in the experiment. After the firing process, the engine could stably operate without further intake preheating; thus, this method is appropriate for engine cold-start and warm-up.

Keywords Gasoline compression ignition      Cold start      Warm-up condition      Fuel-injection strategy      Combustion stability     
Corresponding Authors: Haiqiao Wei   
Issue Date: 11 July 2019
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Lei Zhou
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Yiyong Han
Cite this article:   
Lei Zhou,Jianxiong Hua,Haiqiao Wei, et al. An Experimental Investigation on Low Load Combustion Stability and Cold-Firing Capacity of a Gasoline Compression Ignition Engine[J]. Engineering, 2019, 5(3): 558 -567 .
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[1]   C. Cinar, A. Uyumaz, H. Solmaz, T. Topgul. Effects of valve lift on the combustion and emissions of a HCCI gasoline engine. Energy Convers Manage. 2015; 94: 159-168.
[2]   B. Lawler, J. Lacey, O. Güralp, P. Najt, Z. Filipi. HCCI combustion with an actively controlled glow plug: the effects on heat release, thermal stratification, efficiency, and emissions. Appl Energy. 2018; 211: 809-819.
[3]   H. Zhao. Overview of CAI/HCCI gasoline engines. In: editor. HCCI and CAI engines for the automotive industry. Cambridge: Woodhead Publishing; 2007. p. 21–42, 43e–44e
[4]   M. Yao, Z. Zheng, H. Liu. Progress and recent trends in homogeneous charge compression ignition (HCCI) engines. Pror Energy Combust Sci. 2009; 35(5): 398-437.
[5]   R.H. Stanglmaier, C.E. Roberts. Homogeneous charge compression ignition (HCCI): benefits, compromises, and future engine applications. Technical paper. Technical Paper No.: 1999–01–3682
[6]   A.J. Torregrosa, A. Broatch, A. García, L.F. Mónico. Sensitivity of combustion noise and NOx and soot emissions to pilot injection in PCCI diesel engines. Appl Energy. 2013; 104: 149-157.
[7]   R. Kiplimo, E. Tomita, N. Kawahara, S. Yokobe. Effects of spray impingement, injection parameters, and EGR on the combustion and emission characteristics of a PCCI diesel engine. Appl Therm Eng. 2012; 37: 165-175.
[8]   K. Okude, K. Mori, S. Shiino, T. Moriya. Premixed compression ignition (PCI) combustion for simultaneous reduction of NOx and soot in diesel engine. Technical paper. Technical paper No.: 2004–01–1907
[9]   S. d’Ambrosio, A. Ferrari. Effects of exhaust gas recirculation in diesel engines featuring late PCCI type combustion strategies. Energy Convers Manage. 2015; 105: 1269-1280.
[10]   J. Badra, Y. Viollet, A. Elwardany, H.G. Im, J. Chang. Physical and chemical effects of low octane gasoline fuels on compression ignition combustion. Appl Energy. 2016; 183: 1197-1208.
[11]   B. Wang, Z. Wang, S. Shuai, H. Xu. Combustion and emission characteristics of multiple premixed compression ignition (MPCI) mode fuelled with different low octane gasolines. Appl Energy. 2015; 160: 769-776.
[12]   P. Loeper, Y. Ra, D.E. Foster, J. Ghandhi. Experimental and computational assessment of inlet swirl effects on a gasoline compression ignition (GCI) light-duty diesel engine. Technical paper. Technical paper No.: 2014-01-1299
[13]   D. Han, A.M. Ickes, S.V. Bohac, Z. Huang, D.N. Assanis. Premixed low-temperature combustion of blends of diesel and gasoline in a high speed compression ignition engine. Proc Combust Inst. 2011; 33(2): 3039-3046.
[14]   A.B. Dempsey, S. Curran, R. Wagner, W. Cannella. Effect of premixed fuel preparation for partially premixed combustion with a low octane gasoline on a light-duty multicylinder compression ignition engine. J Eng Gas Turbine Power. 2015; 137(11): 111506.
[15]   M.C. Sellnau, J. Sinnamon, K. Hoyer, J. Kim, M. Cavotta, H. Husted. Part-load operation of gasoline direct-injection compression ignition (GDCI) engine. Technical paper. Technical paper No.: 2013-01-0272
[16]   P. Loeper, Y. Ra, C. Adams, D.E. Foster, J. Ghandhi, M. Andrie, et al.. Experimental investigation of light-medium load operating sensitivity in a gasoline compression ignition (GCI) light-duty diesel engine. Technical paper. Technical paper No.:2013–01–0896
[17]   X. Zhang, H. Wang, Z. Zheng, R. Reitz, M. Yao. Experimental investigations of gasoline partially premixed combustion with an exhaust rebreathing valve strategy at low loads. Appl Therm Eng. 2016; 103: 832-841.
[18]   T. Chen, H. Xie, L. Li, L. Zhang, X. Wang, H. Zhao. Methods to achieve HCCI/CAI combustion at idle operation in a 4VVAS gasoline engine. Appl Energy. 2014; 116: 41-51.
[19]   P. Borgqvist, P. Tunestal, B. Johansson. Comparison of negative valve overlap (NVO) and rebreathing valve strategies on a gasoline PPC engine at low load and idle operating conditions. SAE Int J Engines. 2013; 6(1): 366-378.
[20]   C. Kolodziej, J. Kodavasal, S. Ciatti, S. Som, N. Shidore, J. Delhom. Achieving stable engine operation of gasoline compression ignition using 87 AKI gasoline down to idle. Technical paper. Technical paper No.: 2015–01–0832
[21]   C. Kolodziej, S. Ciatti, D. Vuilleumier, B. Das Adhikary, R.D. Reitz. Extension of the lower load limit of gasoline compression ignition with 87 AKI gasoline by injection timing and pressure. Technical paper. Technical paper No.:2014–01–1302
[22]   K. Kim, Y. Jung, D. Kim, C. Bae. Effect of injector configurations on combustion and emissions in a gasoline direct-injection compression ignition engine under low-load conditions. Int J Engine Res. 2016; 17(3): 316-330.
[23]   J. Hunicz. An experimental study of negative valve overlap injection effects and their impact on combustion in a gasoline HCCI engine. Fuel. 2014; 117: 236-250.
[24]   B. Wolk, I. Ekoto, W.F. Northrop, K. Moshammer, N. Hansen. Detailed speciation and reactivity characterization of fuel-specific in-cylinder reforming products and the associated impact on engine performance. Fuel. 2016; 185: 348-361.
[25]   G. Kalghatgi, B. Johansson. Gasoline compression ignition approach to efficient, clean and affordable future engines. Proc Inst Mech Eng, J Automob Eng. 2018; 232(1): 118-138.
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