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Article

Experimental Investigation on Establishing the HCCI Process Fueled by N-Heptane in a Direct Injection Diesel Engine at Different Compression Ratios

1
School of Transportation Engineering, Hanoi University of Science and Technology, Hanoi 100000, Vietnam
2
Faculty of Mechanical Engineering, University of Transport and Communications, Hanoi 100000, Vietnam
3
University of Fire Fighting and Prevention, Hanoi 100000, Vietnam
*
Authors to whom correspondence should be addressed.
Sustainability 2018, 10(11), 3878; https://doi.org/10.3390/su10113878
Received: 24 August 2018 / Revised: 18 October 2018 / Accepted: 19 October 2018 / Published: 25 October 2018
(This article belongs to the Special Issue Energy Security and Sustainability)
Establishing the homogeneous charge compression ignition (HCCI) process in a diesel engine, in order to improve exhaust emission quality while extending the HCCI regime, is one of the challenges in applying HCCI in worldwide applications. This can be done by decreasing the compression ratio, and controlling the exhaust gas recirculation (EGR) rate and charging temperature. In this paper, an original single cylinder diesel engine was converted to n-heptane-fueled HCCI with the fuel injected into the intake manifold. At the designed compression ratio of 20:1, the HCCI engine could operate stably at low speed (from 1600 rpm to 2000 rpm) and low load (10% to 20% load). In addition, reducing the compression ratio from 20:1 to 14.87:1 by changing the thickness of the cylinder head gasket and with no EGR applied extended the operating range to 50% load and 3200 rpm speed. View Full-Text
Keywords: internal combustion engine; exhaust gas recirculation; HCCI; n-heptane fuel; pre-ignition; engine knock internal combustion engine; exhaust gas recirculation; HCCI; n-heptane fuel; pre-ignition; engine knock
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MDPI and ACS Style

Anh, T.L.; Duy, V.N.; Thi, H.K.; Xa, H.N. Experimental Investigation on Establishing the HCCI Process Fueled by N-Heptane in a Direct Injection Diesel Engine at Different Compression Ratios. Sustainability 2018, 10, 3878. https://doi.org/10.3390/su10113878

AMA Style

Anh TL, Duy VN, Thi HK, Xa HN. Experimental Investigation on Establishing the HCCI Process Fueled by N-Heptane in a Direct Injection Diesel Engine at Different Compression Ratios. Sustainability. 2018; 10(11):3878. https://doi.org/10.3390/su10113878

Chicago/Turabian Style

Anh, Tuan L., Vinh N. Duy, Ha K. Thi, and Hoi N. Xa 2018. "Experimental Investigation on Establishing the HCCI Process Fueled by N-Heptane in a Direct Injection Diesel Engine at Different Compression Ratios" Sustainability 10, no. 11: 3878. https://doi.org/10.3390/su10113878

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