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Numerical study of ignition mechanism of n-heptane direct injection compression-ignition engine

Xiaoping GUO, Zhanjie WANG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 432-439 doi: 10.1007/s11708-009-0050-9

Abstract: high-pressure, three-dimensional-space, transient turbulent, non-homogeneous, mono-component fuel in the engineThe result shows that the ignition in the engine can be divided into low-temperature ignition and high-temperatureLow-temperature ignition reaction, whose ignition reaction is c5h9o1-4=ch3cho+c3h5-a, follows the oxidationmechanism, while high-temperature ignition reaction, whose ignition reaction is c2h3o1-2=ch3co, followsNo matter which ignition it is in, the chemical reaction that restrains the ignition reaction from lasting

Keywords： compression-ignition engine     ignition mechanism     elementary reaction     n-heptane    

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Control of homogeneous charge compression ignition combustion in a two-cylinder gasoline direct injectionengine with negative valve overlap

WANG Zhi, WANG Jianxin, SHUAI Shijin, MA Qingjun, TIAN Guohong

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 311-315 doi: 10.1007/s11708-007-0045-3

Abstract: Homogeneous charge compression ignition (HCCI) has challenges in ignition timing control, combustionIn this paper, HCCI combustion was studied in a two-cylinder gasoline direct injection (GDI) engine withThe gasoline engine could be operated in HCCI combustion mode at a speed range of 800–2 200 r/min andThe engine fuel consumption is below 240 g/(kW

Keywords： Homogeneous     control     combustion     consumption     extension    

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Study of engine performance, emission and combustion characteristics fueled with diesel-like fuel producedfrom waste engine oil and waste plastics

V. Edwin Geo, Ankit Sonthalia, Fethi Aloui, Femilda Josephin J. S.

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1063-6

Abstract:

To derive liquid fuel from waste engine oil and plastics thoroughpyrolysis process

To make equal blend of waste engineitemcontent>

To find the suitability of fuel from waste in diesel engine

Keywords： Waste engine oil     Waste plastic oil     Diesel fuel     Pyrolysis     Compression ignition engine    

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Effects of compression ratio on the combustion characteristics of a homogeneous charge compression ignitionengine

SONG Ruizhi, ZHOU Longbao, LIU Shenghua, LI Wei, HU Tiegang

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 463-467 doi: 10.1007/s11708-007-0068-0

Abstract: The effects of homogeneous charge compression ignition (HCCI) engine compression ratio on its combustioncharacteristics were studied experimentally on a modified TY1100 single cylinder engine fueled with

Keywords： homogeneous     cylinder     combustion     compression     dimethyl    

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Experimental Investigation on Low Load Combustion Stability and Cold-Firing Capacity of a Gasoline CompressionIgnition Engine Article

Lei Zhou, Jianxiong Hua, Haiqiao Wei, Yiyong Han

Engineering 2019, Volume 5, Issue 3,   Pages 558-567 doi: 10.1016/j.eng.2018.12.010

Abstract:

Gasoline compression ignition (GCI) is one of the most promising combustion concepts to maintain lowThe objective of this work is to study effective methods to achieve GCI engine cold start-up.of injection (SOI) during the intake stroke yields the best fuel economy, and injection during the compressionFurthermore, SOI during the NVO period grants the ability to operate under engine conditions with coldmethod is appropriate for engine cold-start and warm-up.

Keywords： Gasoline compression ignition     Cold start     Warm-up condition     Fuel-injection strategy     Combustion stability    

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Applying the multi-zone model in predicting the operating range of HCCI engines

Ming JIA, Maozhao XIE, Zhijun PENG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 414-423 doi: 10.1007/s11708-010-0108-8

Abstract: ignition (HCCI) engines.engine speeds by varying the intake temperatures and equivalence ratios.compression ratio and intake pressure boosting, was then investigated.Results indicate that the ignition point can be efficiently controlled by varying the compression ratioHigher intake temperatures and lower compression ratios can also extend the high load range.

Keywords： homogeneous charge compression ignition (HCCI) engine     multi-zone     operating range    

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Improvement of engine performance with high compression ratio based on knock suppression using Miller

Haiqiao WEI, Jie YU, Lei ZHOU

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 691-706 doi: 10.1007/s11708-019-0621-3

Abstract: In theory, high compression ratio has the potential to improve the thermal efficiency and promote thepower output of the SI engine.However, the application of high compression ratio is substantially limited by the knock in practicalon a gasoline engine based on the Miller cycle with boost pressure and split injection.strategies for CR10 and CR12 were experimentally investigated respectively on a single cylinder DISI engine

Keywords： high compression ratio     knock     Miller cycle     split injection     engine performance    

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Simulation of combustion in spark-ignition engine fuelled with natural gas-hydrogen blends combined with

Jie WANG, Zuohua HUANG, Bing LIU, Xibin WANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 204-211 doi: 10.1007/s11708-009-0026-9

Abstract: the influence of different hydrogen fractions, excess air ratios and EGR mass fractions in a spark-ignitionengine was conducted.gas-hydrogen blend combined with EGR can realize a stable combustion and low NO emission in a spark-ignitionengine.

Keywords： natural gas     hydrogen     NO     exhaust gas recirculation     numerical simulation    

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Injection Strategy in Natural Gas-Diesel Dual-Fuel Premixed Charge Compression Ignition Combustion under Article

Hyunwook Park, Euijoon Shim, Choongsik Bae

Engineering 2019, Volume 5, Issue 3,   Pages 548-557 doi: 10.1016/j.eng.2019.03.005

Abstract:

Dual-fuel premixed charge compression ignition (DF-PCCI) combustion has been proven to be a viablealternative to conventional diesel combustion in heavy-duty compression ignition engines due to itsWhen natural gas (NG) is applied to a DF-PCCI engine, its low reactivity reduces the maximum pressureHowever, the NG–diesel DF-PCCI engine suffers from low combustion efficiency under low loads.In this study, an injection strategy of fuel supply (NG and diesel) in a DF-PCCI engine was investigated

Keywords： Reactivity controlled compression ignition     Premixed charge compression ignition     Natural gas     Injection    

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Application of micro-genetic algorithm for calibration of kinetic parameters in HCCI engine combustion

HUANG Haozhong, SU Wanhua

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 86-92 doi: 10.1007/s11708-008-0003-8

Abstract: newly developed reduced chemical kinetic model (40 species and 62 reactions) for the homogeneous charge compressionignition (HCCI) combustion of -heptane to improve its autoignition predictions for different engine

Keywords： homogeneous     different     combustion     autoignition     compression    

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Ignition delay of dual fuel engine operating with methanol ignited by pilot diesel

ZOU Hongbo, WANG Lijun, LIU Shenghua, LI Yu

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 285-290 doi: 10.1007/s11708-008-0060-z

Abstract: An investigation on the ignition delay of a dual fuel engine operating with methanol ignited by pilotThe experimental results show that the polytropic index of compression process of the dual fuel engineCompared with the conventional diesel engine, the ignition delay increment of the dual fuel engine isMoreover, with the increase in engine speed, the ignition delay of the dual fuel engine by time scaleHowever, the ignition delay of the dual fuel engine increases remarkably by advancing the delivery timing
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Performance, emission and combustion characteristics of CI engine fuelled with diesel and hydrogen

R. Senthil KUMAR,M. LOGANATHAN,E. James GUNASEKARAN

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 486-494 doi: 10.1007/s11708-015-0368-4

Abstract: flame velocity, high calorific value motivate us to use hydrogen fuel as a dual fuel mode in diesel engineexperiments were conducted on a four stroke, single cylinder, water cooled, direct injection (DI), diesel engineThe engine performance, emission and combustion parameters were analyzed at various flow rates of hydrogen

Keywords： hydrogen     brake thermal efficiency     crank angle     compressed ignition (CI)    

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A methodology for regulating fuel stratification and improving fuel economy of GCI mode via double main-injection strategy

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 678-691 doi: 10.1007/s11708-022-0859-z

Abstract: Gasoline compression ignition (GCI) combustion faces problems such as high maximum pressure rise rateThis paper aims to improve the engine performance of the GCI mode by regulating concentration stratification

Keywords： gasoline compression ignition     injection strategy     fuel stratification     high efficiency     high load    

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Performance and emission characteristics of QHCCI dimethyl ether engine

WANG Ying, LI Wei, ZHOU Longbao, LIU Shenghua, HU Tiegang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 401-405 doi: 10.1007/s11708-008-0075-5

Abstract: amounts of dimethyl ether (DME) on the performance and emission of a single-cylinder direct-injection DME engineThe results show that a DME engine can operate at a wider range of speeds and loads at quasi-homogenouscharge compression ignition (QHCCI) mode.

Keywords： Experimental investigation     single-cylinder direct-injection     exhaust temperature     dimethyl     compressionignition    

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Imaging studies of in-cylinder HCCI combustion

Pawel LUSZCZ, Hongming XU, Mirek WYZSNSKI, Xiao MA, Rob STEVENS, Athanasios TSOLAKIS

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 313-321 doi: 10.1007/s11708-011-0154-x

Abstract: An optically accessed, single cylinder engine operated in homogenous charge compression ignition (HCCIThis investigation was carried out for one-step ignition fuel—standard gasoline, fuel proceeding single-stageignition process under conditions studied.

Keywords： high speed imaging     combustion     homogenous charge compression ignition (HCCI)     reaction spreading velocity    

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Title Author Date Type Operation

Numerical study of ignition mechanism of n-heptane direct injection compression-ignition engine

Xiaoping GUO, Zhanjie WANG,

Journal Article

Control of homogeneous charge compression ignition combustion in a two-cylinder gasoline direct injectionengine with negative valve overlap

WANG Zhi, WANG Jianxin, SHUAI Shijin, MA Qingjun, TIAN Guohong

Journal Article

Study of engine performance, emission and combustion characteristics fueled with diesel-like fuel producedfrom waste engine oil and waste plastics

V. Edwin Geo, Ankit Sonthalia, Fethi Aloui, Femilda Josephin J. S.

Journal Article

Effects of compression ratio on the combustion characteristics of a homogeneous charge compression ignitionengine

SONG Ruizhi, ZHOU Longbao, LIU Shenghua, LI Wei, HU Tiegang

Journal Article

Experimental Investigation on Low Load Combustion Stability and Cold-Firing Capacity of a Gasoline CompressionIgnition Engine

Lei Zhou, Jianxiong Hua, Haiqiao Wei, Yiyong Han

Journal Article

Applying the multi-zone model in predicting the operating range of HCCI engines

Ming JIA, Maozhao XIE, Zhijun PENG,

Journal Article

Improvement of engine performance with high compression ratio based on knock suppression using Miller

Haiqiao WEI, Jie YU, Lei ZHOU

Journal Article

Simulation of combustion in spark-ignition engine fuelled with natural gas-hydrogen blends combined with

Jie WANG, Zuohua HUANG, Bing LIU, Xibin WANG

Journal Article

Injection Strategy in Natural Gas-Diesel Dual-Fuel Premixed Charge Compression Ignition Combustion under

Hyunwook Park, Euijoon Shim, Choongsik Bae

Journal Article

Application of micro-genetic algorithm for calibration of kinetic parameters in HCCI engine combustion

HUANG Haozhong, SU Wanhua

Journal Article

Ignition delay of dual fuel engine operating with methanol ignited by pilot diesel

ZOU Hongbo, WANG Lijun, LIU Shenghua, LI Yu

Journal Article

Performance, emission and combustion characteristics of CI engine fuelled with diesel and hydrogen

R. Senthil KUMAR,M. LOGANATHAN,E. James GUNASEKARAN

Journal Article

A methodology for regulating fuel stratification and improving fuel economy of GCI mode via double main-injection strategy

Journal Article

Performance and emission characteristics of QHCCI dimethyl ether engine

WANG Ying, LI Wei, ZHOU Longbao, LIU Shenghua, HU Tiegang

Journal Article

Imaging studies of in-cylinder HCCI combustion

Pawel LUSZCZ, Hongming XU, Mirek WYZSNSKI, Xiao MA, Rob STEVENS, Athanasios TSOLAKIS

Journal Article