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

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

Abstract: improve the engine performance of the GCI mode by regulating concentration stratification and promoting fuel-gasmixing by utilizing the double main-injection (DMI) strategy.The results indicate that the DMI strategy have a great potential to reduce the MPRR and improve the fuel2) shortens the injection duration and increases the mean mixing time.Optimized Rm-2 could moderate the trade-off between the MPRR and the indicated specific fuel

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

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Emission components characteristics of a bi-fuel vehicle at idling condition

Sameh M. METWALLEY, Shawki A. ABOUEL-SEOUD, Abdelfattah M. FARAHAT

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 322-329 doi: 10.1007/s11708-011-0158-6

Abstract: current spreading of compressed natural gas (CNG) fuelled spark ignition (SI) engine, above all in the bi-fuelTwo different fuel injection systems (i.e., multi-point injection (MPI)-sequential and closed-loop venturi-continuous

Keywords： road vehicle engine     fuel injection systems     carbon monoxide (CO)     carbon dioxide (CO2)     total    

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Numerical simulation of biodiesel fuel combustion and emission characteristics in a direct injection

Yi REN, Ehab ABU-RAMADAN, Xianguo LI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 252-261 doi: 10.1007/s11708-010-0036-7

Abstract: chemical properties of biodiesel fuels on the combustion process and pollutants formation in Direct Injectionthe current study, methyl butanoate (MB) and -heptane are used as the surrogates for the biodiesel fueland the conventional diesel fuel.It is shown that the differences in the chemical properties between the biodiesel fuel and the dieselWhile the variations of both the chemical and the physical properties between the biodiesel and diesel fuel

Keywords： biodiesel     diesel engine     CFD simulation     combustion     pollutant formation    

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A new approach for fuel injection into a solar receiver/reactor: Numerical and experimental investigation

M Helal Uddin, Nesrin Ozalp, Jens Heylen, Cedric Ophoff

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 683-696 doi: 10.1007/s11705-018-1782-z

Abstract: This study presents a new jet-type burner nozzle for gaseous feedstock injection into a cavity solar

Keywords： solar reactor     nozzle     CFD     heat transfer     mixing and recirculation    

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Effects of Fischer-Tropsch diesel fuel on combustion and emissions of direct injection diesel engine

HUANG Yongcheng, WANG Shangxue, ZHOU Longbao

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 261-267 doi: 10.1007/s11708-008-0062-x

Abstract: Effects of Fischer-Tropsch (F-T) diesel fuel on the combustion and emission characteristics of a single-cylinderdirect injection diesel engine under different fuel delivery advance angles were investigated.The experimental results show that F-T diesel fuel exhibits shorter ignition delay, lower peak valuesIn addition, the unmodified engine with F-T diesel fuel has lower brake specific fuel consumption andMoreover, the retardation of fuel delivery advance angle results in a further significant reduction in

Keywords： combustion pressure     further     HC     operation     single-cylinder    

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Effect of distributions of fuel concentration and temperature on ignition processes in a diesel PCCI

Yang YU, Wanhua SU,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 269-279 doi: 10.1007/s11708-009-0046-5

Abstract: The distributions of fuel concentration and temperature have significant effect on the ignition processesIt was found in this study that the ignition process of PCCI combustion organized by multi-pulse injectionwas strongly influenced by conditions of fuel stratification.

Keywords： PCCI     fuel stratification     multi-pulse injection     ignition    

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Dimethyl ether as alternative fuel for CI engine and vehicle

Zhen HUANG , Xinqi QIAO , Wugao ZHANG , Junhua WU , Junjun ZHANG ,

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 99-108 doi: 10.1007/s11708-009-0013-1

Abstract: basis of researches on DME engine and vehicle at Shanghai Jiaotong University in the last twelve years, fuelinjection, combustion, performance and exhaust emissions of DME engine and DME vehicle are introduced

Keywords： dimethyl ether (DME)     fuel injection     combustion process     emission control     CI engine     vehicle    

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Significant potential of Solid Oxide Fuel Cell systems for distributed power generation and carbon neutrality

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 879-882 doi: 10.1007/s11708-022-0850-8

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Fuel poverty and low carbon emissions: a comparative study of the feasibility of the hybrid renewableenergy systems incorporating combined heat and power technology

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 336-356 doi: 10.1007/s11708-021-0748-x

Abstract: Fuel poverty is most prevalent in North East England with 14.4% of fuel poor households in Newcastlefeasible with a potential to generate a profit from selling energy excess to the grid to help alleviate fuelrenewable fraction is 5.10% and the system yields a carbon saving of 7.9% in comparison with conventional systemsconservative calculation determined that 40% of the sales can be used to reduce the energy cost of fuelThis solution has the potential to eliminate fuel poverty at the site analyzed.

Keywords： greenhouse gas control     low carbon target     grid connected     renewable fraction     fuel poverty     combined    

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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 viableIn this study, an injection strategy of fuel supply (NG and diesel) in a DF-PCCI engine was investigatedA double injection strategy of diesel was implemented to adjust the local reactivity of the mixture.Retardation of the diesel pilot SOE and a low fraction of the diesel pilot injection quantity were favorableThe combination of an NG substitution of 40%, the double injection strategy of diesel, and a moderate

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

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Three-dimensional numerical simulation for plastic injection-compression molding

Yun ZHANG, Wenjie YU, Junjie LIANG, Jianlin LANG, Dequn LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 74-84 doi: 10.1007/s11465-018-0490-1

Abstract:

Compared with conventional injection molding, injection-compression molding can mold optical partsIn this study, a 3D simulation method was developed for injection-compression molding.in the cavity were investigated by using the proposed simulation method and compared with those of injectionpressures at different points along the flow path is complicated rather than monotonically decreased in injection

Keywords： injection-compression molding     simulation     injection molding     melt flow     cavity pressure    

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Real-world fuel consumption of light-duty passenger vehicles using on-board diagnostic (OBD) systems

Xuan Zheng, Sheng Lu, Liuhanzi Yang, Min Yan, Guangyi Xu, Xiaomeng Wu, Lixin Fu, Ye Wu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1212-6

Abstract: • Fuel consumption (FC) from LDPVs is measured using on-board diagnostic method (OBD). • The FC ofNormally, real-world fuel consumption is measured primarily by a portable emission measurement systemFurthermore, the real-world fuel consumption of six LDPVs was tested in Beijing using the OBD.±17% higher than the type-approval-based fuel consumption.result in a larger discrepancy between real-word and type-approval fuel consumption.

Keywords： Fuel consumption     Light-duty passenger vehicles     On-board diagnostic systems    

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density measurement for plastic injection molding via ultrasonic technology

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0714-2

Abstract: Density variation during the injection molding process directly reflects the state of plastic melt andExperiments with different process conditions are conducted, including different melt temperature, injectioni> measurement, non-destructive, high accuracy, low cost, and is of great application value for the injection

Keywords： ultrasonic measurement     melt density     in-situ measurement     injection molding    

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Economic Development Models of Gas Condensate Reservoir

Liu Tingyuan

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 85-91

Abstract: condensate reservoirs, including reinjection with 75% dry gas recycling, dumpflooding of gas, nitrogen injection, water injection, water and gas alternating injection, C〇2 injection, etc.

Keywords： gas condensate reservoir     development model     gas injection     nitrogen injection     water injection     CO 2 injection     economic    

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Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 171-175 doi: 10.1007/s11465-009-0091-0

Abstract: Large-sized water injection units are key equipment in oilfields.maintenance costs, trend prediction technology is studied to achieve condition-based maintenance for water injectionproposed trend prediction technology can reflect the operating condition trend change of the water injection

Keywords： water injection units     condition-based maintenance     trend prediction    

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Title Author Date Type Operation

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

Journal Article

Emission components characteristics of a bi-fuel vehicle at idling condition

Sameh M. METWALLEY, Shawki A. ABOUEL-SEOUD, Abdelfattah M. FARAHAT

Journal Article

Numerical simulation of biodiesel fuel combustion and emission characteristics in a direct injection

Yi REN, Ehab ABU-RAMADAN, Xianguo LI,

Journal Article

A new approach for fuel injection into a solar receiver/reactor: Numerical and experimental investigation

M Helal Uddin, Nesrin Ozalp, Jens Heylen, Cedric Ophoff

Journal Article

Effects of Fischer-Tropsch diesel fuel on combustion and emissions of direct injection diesel engine

HUANG Yongcheng, WANG Shangxue, ZHOU Longbao

Journal Article

Effect of distributions of fuel concentration and temperature on ignition processes in a diesel PCCI

Yang YU, Wanhua SU,

Journal Article

Dimethyl ether as alternative fuel for CI engine and vehicle

Zhen HUANG , Xinqi QIAO , Wugao ZHANG , Junhua WU , Junjun ZHANG ,

Journal Article

Significant potential of Solid Oxide Fuel Cell systems for distributed power generation and carbon neutrality

Journal Article

Fuel poverty and low carbon emissions: a comparative study of the feasibility of the hybrid renewableenergy systems incorporating combined heat and power technology

Journal Article

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

Hyunwook Park, Euijoon Shim, Choongsik Bae

Journal Article

Three-dimensional numerical simulation for plastic injection-compression molding

Yun ZHANG, Wenjie YU, Junjie LIANG, Jianlin LANG, Dequn LI

Journal Article

Real-world fuel consumption of light-duty passenger vehicles using on-board diagnostic (OBD) systems

Xuan Zheng, Sheng Lu, Liuhanzi Yang, Min Yan, Guangyi Xu, Xiaomeng Wu, Lixin Fu, Ye Wu

Journal Article

density measurement for plastic injection molding via ultrasonic technology

Journal Article

Economic Development Models of Gas Condensate Reservoir

Liu Tingyuan

Journal Article

Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Journal Article