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Development of a simplified n-heptane/methane model for high-pressure direct-injection natural

Jingrui LI, Haifeng LIU, Xinlei LIU, Ying YE, Hu WANG, Xinyan WANG, Hua ZHAO, Mingfa YAO

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 405-420 doi: 10.1007/s11708-021-0718-3

Abstract: High-pressure direct-injection (HPDI) of natu-ral gas is one of the most promising solutions for futureaddition, these two reduced models were both able to reproduce the experimentally measured in-cylinder pressureIn short, the reduced chemical kinetic models developed provide a high-efficient and dependable method

Keywords： high-pressure direct-injection     natural gas     chemical kinetics     combustion modelling     marine engine    

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Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 164-175 doi: 10.1007/s11708-016-0407-9

Abstract: affects the consequent mixture formation, combustion behavior, and emission formation processes in a directinjection diesel engine.In this paper, different models for liquid breakup processes in high-pressure dense diesel sprays andRayleigh-Taylor (RT) breakup model gives the most reasonable predicted results in both engine simulation and high-pressureTAB) based models and the RT model do not provide reasonable predictions for the characteristics of high-pressure

Keywords： breakup model     diesel engine     high-pressure injection     simulations    

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Combustion characteristics of a direct-injection diesel engine fueled with Fischer-Tropsch diesel

HUANG Yongcheng, ZHOU Longbao, PAN Keyu

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 239-244 doi: 10.1007/s11708-007-0033-7

Abstract: Fischer-Tropsch (F-T) diesel fuel is characterized by a high cetane number, a near-zero sulphur contentpressures and injector needle lifts, the combustion characteristics of an unmodified single-cylinder direct-injectionThe results show that F-T diesel fuel exhibits a slightly longer injection delay and injection durationIn addition, the F-T diesel engine has a slightly lower peak combustion pressure, a far lower rate ofpressure rise, and a lower mechanical load and combustion noise than the conventional diesel engine.
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of ignition timing and hydrogen fraction on combustion and emission characteristics of natural gas direct-injection

WANG Jinhua, HUANG Zuohua, LIU Bing, ZENG Ke, YU Jinrong, JIANG Deming

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 194-201 doi: 10.1007/s11708-008-0035-0

Abstract: An experimental study on the combustion and emission characteristics of a direct-injection spark-igniteddirect-injection natural gas engines.The turbulent flow in the combustion chamber generated by the fuel jet remains high and relative strongand ignition timing giving fast burning rates and high thermal efficiencies.The maximum cylinder gas pressure, maximum mean gas temperature, maximum rate of pressure rise and maximum
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Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1818-1825 doi: 10.1007/s11705-022-2182-y

Abstract: To intensify this reaction, a high-temperature and high-pressure continuous microreaction technologyUsing the deacylation of acetanilide as a model reaction, the effects of the temperature, pressure, reactionBased on the rapid heating and cooling capabilities, the kinetics of acetanilide deacylation at high

Keywords： amide deacylation     microreactor     flow chemistry     reaction intensification    

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Terahertz time-domain spectroscopy of high-pressure flames

Jason BASSI, Mark STRINGER, Bob MILES, Yang ZHANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 123-133 doi: 10.1007/s11708-009-0033-x

Abstract: infrared is widely used as a diagnostic tool for combustion devices, but this approach is difficult at highHigh soot concentrations render flames opaque to visible light, but they remain transparent to far-infraredfirst far-infrared absorption spectra, to the best of our knowledge, of sooty, non-premixed, ethylene high-pressureA specially designed high-pressure burner which is optically accessible to THz radiation has been built

Keywords： terahertz time-domain spectroscopy     high-pressure flames     H2O absorption lines    

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A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 219-223 doi: 10.1007/s11465-009-0024-y

Abstract: Based on structures and characteristics of traditional hydraulic pumps, this paper proposes a novel high-temperatureand high-pressure hydraulic pump (HHHP) that can work under 150°C and 28 MPa to overcome problems oftraditional high-temperature plunger pumps.Therefore, reduced fluctuations and stable pressure output is obtained.

Keywords： mononeuron PID control     hydraulic pump     pressure fluctuation    

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Numerical simulation of air flow field in high-pressure fan with splitter blades

LI Jianfeng, LU Junfu, ZHANG Hai, LIU Qing, YUE Guangxi

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 438-442 doi: 10.1007/s11708-008-0085-3

Abstract: For a deeper understanding of the flow characteristics in the high-pressure centrifugal blower of a fanwith the presence of splitter blades, the air flow rate of the fan increased about 5% and the total pressureIt was also found that the length of the splitter blades affected the air flow and pressure drop.

Keywords： splitter     numerical simulation     presence     unstructured     operational    

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Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 105-112 doi: 10.1007/s11708-007-0012-z

Abstract: The spray characteristics of methanol and ethanol with high-pressure swirl injector were explored experimentallyback-pressure.conditions while the vortexes formed in the middle part under high back-pressure ambient conditions., but displayed a slightly larger value under high back-pressure due to fuel evaporation.Numerical simulation could successfully demonstrate the spray characteristics of high-pressure swirl

Keywords： low back-pressure     diameter     initial spray     hollow     middle    

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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: Fischer-Tropsch (F-T) diesel fuel on the combustion and emission characteristics of a single-cylinder directinjection diesel engine under different fuel delivery advance angles were investigated.fuel exhibits shorter ignition delay, lower peak values of premixed burning rate, lower combustion pressureand pressure rise rate, and higher peak value of diffusion burning rate than conventional diesel fueland pressure rise rate are further reduced; and the peak value of diffusion burning rate is further

Keywords： combustion pressure     further     HC     operation     single-cylinder    

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Corrigendum to ‘‘A High-Efficiency Two-Stroke Engine Concept: The Boosted Uniflow Scavenged Direct-Injection

Xinyan Wang, Hua Zhao

Engineering 2019, Volume 5, Issue 5,   Pages 979-979 doi: 10.1016/j.eng.2019.08.004

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Development of lunar regolith-based composite for - 3D printing via high-pressure extrusion system

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0745-8

Abstract: However, the in-situ 3D printing using raw lunar regolith consumes extremely high energyThe high-performance nylon and lunar regolith are uniformly pre-mixed in powder form with different weightThe high-pressure extrusion system is helpful to enhance the interface affinity of polymer binders withHigh-pressure melt extrusion for lunar regolith composite can increase the effective loading fraction

Keywords： in-situ resource utilization     melt extrusion molding     lunar regolith-based composites     mechanical properties     additive manufacturing    

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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: different pilot amounts of dimethyl ether (DME) on the performance and emission of a single-cylinder direct-injection

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

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and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled with high-pressure

Frontiers of Structural and Civil Engineering   Pages 1370-1386 doi: 10.1007/s11709-023-0947-0

Abstract: Therefore, high-pressure waterjet technology should be applied to assist in rock breaking for efficientvia laboratory experiments of cutting hard rock using high-pressure waterjets.The results show that high-pressure waterjets are highly efficient for rock breaking and are suitableHowever, during the operation of high-pressure waterjets, the ambient temperature and waterjet temperatureTherefore, temperature control and cooling measures for high-pressure waterjets during their long-term

Keywords： tunnel boring machine     hard-rock cutting     free face     disc cutter     rock-cutting efficiency    

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Pilot study for the treatment of sodium and fluoride-contaminated groundwater by using high-pressure

Xiaomao WANG,Hongwei YANG,Zhenyu LI,Shaoxia YANG,Yuefeng XIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 155-163 doi: 10.1007/s11783-014-0740-3

Abstract: High-pressure membrane process is one of the cost-effective technologies for the treatment of groundwaterThree membrane systems were set up and two brands of reverse osmosis (RO), four low-pressure RO (LPRO

Keywords： reverse osmosis (RO)     nanofiltration (NF)     water quality standards     sodium     fluoride     cost estimation    

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Title Author Date Type Operation

Development of a simplified n-heptane/methane model for high-pressure direct-injection natural

Jingrui LI, Haifeng LIU, Xinlei LIU, Ying YE, Hu WANG, Xinyan WANG, Hua ZHAO, Mingfa YAO

Journal Article

Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Journal Article

Combustion characteristics of a direct-injection diesel engine fueled with Fischer-Tropsch diesel

HUANG Yongcheng, ZHOU Longbao, PAN Keyu

Journal Article

of ignition timing and hydrogen fraction on combustion and emission characteristics of natural gas direct-injection

WANG Jinhua, HUANG Zuohua, LIU Bing, ZENG Ke, YU Jinrong, JIANG Deming

Journal Article

Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Journal Article

Terahertz time-domain spectroscopy of high-pressure flames

Jason BASSI, Mark STRINGER, Bob MILES, Yang ZHANG

Journal Article

A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Journal Article

Numerical simulation of air flow field in high-pressure fan with splitter blades

LI Jianfeng, LU Junfu, ZHANG Hai, LIU Qing, YUE Guangxi

Journal Article

Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua

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

Corrigendum to ‘‘A High-Efficiency Two-Stroke Engine Concept: The Boosted Uniflow Scavenged Direct-Injection

Xinyan Wang, Hua Zhao

Journal Article

Development of lunar regolith-based composite for - 3D printing via high-pressure extrusion system

Journal Article

Performance and emission characteristics of QHCCI dimethyl ether engine

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

Journal Article

and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled with high-pressure

Journal Article

Pilot study for the treatment of sodium and fluoride-contaminated groundwater by using high-pressure

Xiaomao WANG,Hongwei YANG,Zhenyu LI,Shaoxia YANG,Yuefeng XIE

Journal Article