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Pressure in Gas-assisted Injection Molding

Ou Changjin

Strategic Study of CAE 2007, Volume 9, Issue 5,   Pages 27-32

Abstract:  an effective control method and strategy based on fuzzy neural network has been developed for gasinjection pressure accurate control in gas-assisted injection.

Keywords： gas-assisted injection molding     fuzzy neural network     gas-injection pressure control    

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Trends of process parameters impact on forming quality of part during the gas-assisted injection molding

Qiu Shuijin,Jiang Shaofei,Chai Guozhong,Lu Congda

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 84-90

Abstract: justify;">This paper investigates process optimization for the specific rib with section s-3 during the gas-assistedinjection molding firstly, which is to get relationship between process parameters and quality evaluations

Keywords： gas-assisted injection molding     rib     Taguchi experiment design    

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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 injectionmolding industry.

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

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Microcellular injection molding process for producing lightweight thermoplastic polyurethane with customizable

Thomas ELLINGHAM, Hrishikesh KHARBAS, Mihai MANITIU, Guenter SCHOLZ, Lih-Sheng TURNG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 96-106 doi: 10.1007/s11465-018-0498-6

Abstract:

A three-stage molding process involving microcellular injection molding with core retraction and anfoams of varying local densities, microstructures, and mechanical properties in the same microcellular injection

Keywords： thermoplastic polyurethane     microcellular injection molding     cavity expansion     compressive strength     hysteresis    

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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 injectionmolding.molding.

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

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Intelligent methods for the process parameter determination of plastic injection molding

Huang GAO, Yun ZHANG, Xundao ZHOU, Dequn LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 85-95 doi: 10.1007/s11465-018-0491-0

Abstract:

Injection molding is one of the most widely used material processing methods in producing plasticstudies and developments of the intelligent methods applied in the process parameter determination of injectionmolding.

Keywords： injection molding     intelligent methods     process parameters     optimization    

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CO, N, and CO/N mixed gas injection for enhanced shale gas recovery and CO geological storage

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 428-445 doi: 10.1007/s11708-023-0865-9

Abstract: flooding tests were conducted to investigate the performance of injecting different gases to enhance shale gasFor the core flooding tests, pure gas injection showed that the breakthrough time of CO2 wasinjection was approximately 44.09%, while the Keywords： shale gas     gas injection     competitive adsorption     enhanced shale gas recovery     CO2 geological    

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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:

Liquid condensate is an important product of gas condensate reservoir, and its recovery should bediscusses economic development models of all kinds during the last two decades in the engineering field of gascondensate reservoirs, including reinjection with 75% dry gas recycling, dumpflooding of gas, nitrogeninjection, water injection, water and gas alternating injection, C〇2 injection, etc.conventional pressure depletion methods and will be adaptable to complex cases of surface-underground gas

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

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Micro-optical fabrication by ultraprecision diamond machining and precision molding

Hui LI, Likai LI, Neil J. NAPLES, Jeffrey W. ROBLEE, Allen Y. YI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 181-192 doi: 10.1007/s11465-017-0444-z

Abstract:

Ultraprecision diamond machining and high volume molding for affordable high precision high performanceultraprecision single point diamond machining followed by high volume production methods such as compression or injectionmolding.For consumers, compression molding or injection molding provide efficient and high quality optics atand injection molding of polymer optics are discussed.

Keywords： ultraprecision machining     slow tool servo     fast tool servo     compression molding     injection molding     microlens    

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Development of a simplified n-heptane/methane model for high-pressure direct-injection naturalgas marine engines

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 futurethe experimentally measured in-cylinder pressure and heat release rate profiles for a HPDI natural gashigh-efficient and dependable method to simulate the characteristics of combustion and emissions in HPDI natural gas

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

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semi-volatile organic compounds in water using automated online solid-phase extraction with large-volume injection/gas chromatography/mass spectrometry

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 417-425 doi: 10.1007/s11783-011-0310-x

Abstract: online solid-phase extraction technique coupled with programmed-temperature vaporization large-volume injectiongas chromatography/mass spectrometry.

Keywords： automated solid-phase extraction     programmed-temperature vaporization     large-volume injection     gas chromatography    

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Effect of ignition timing and hydrogen fraction on combustion and emission characteristics of natural gasdirect-injection engine

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-ignitedThe interval between the end of fuel injection and ignition timing is a very important parameter fordirect-injection natural gas engines.strong mixture stratification is introduced when decreasing the angle interval between the end of fuel injectionThe maximum cylinder gas pressure, maximum mean gas temperature, maximum rate of pressure rise and maximum
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Review of small aspheric glass lens molding technologies

Shaohui YIN,Hongpeng JIA,Guanhua ZHANG,Fengjun CHEN,Kejun ZHU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 66-76 doi: 10.1007/s11465-017-0417-2

Abstract: As an advanced manufacturing technology, the glass lens molding process has been recognized as a low-costprofile deviation of the glass lens are greatly affected by various key technologies for glass lens molding, including glass and mold-die material forming, mold-die machining, and lens molding.These key technical factors, which affect the quality of the glass lens molding process, are systematicallytechnical bottlenecks and problems, as well as to predict the potential applicability of glass lens molding

Keywords： aspheric glass lens     mold-die manufacturing     lens molding     molding process simulation    

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Effect of wood dust type on mechanical properties, wear behavior, biodegradability, and resistance to natural weathering of wood-plastic composites

Sawan KUMAR, Ajitanshu VEDRTNAM, S. J. PAWAR

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1446-1462 doi: 10.1007/s11709-019-0568-9

Abstract: dust (10%, 15%, 20% by weight) was mixed with polypropylene granules and WPCs were prepared using an injectionmolding technique.

Keywords： wood-plastic composites     mechanical testing     wear     biodegradability     injection molding     weathering    

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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: When natural gas (NG) is applied to a DF-PCCI engine, its low reactivity reduces the maximum pressureIn 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.The introduction of exhaust gas recirculation (EGR) improved the fuel economy and reduced the NOinjection strategy of diesel, and a moderate

Keywords： Reactivity controlled compression ignition     Premixed charge compression ignition     Natural gas     Injectionstrategy     Exhaust gas recirculation    

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Title Author Date Type Operation

Pressure in Gas-assisted Injection Molding

Ou Changjin

Journal Article

Trends of process parameters impact on forming quality of part during the gas-assisted injection molding

Qiu Shuijin,Jiang Shaofei,Chai Guozhong,Lu Congda

Journal Article

density measurement for plastic injection molding via ultrasonic technology

Journal Article

Microcellular injection molding process for producing lightweight thermoplastic polyurethane with customizable

Thomas ELLINGHAM, Hrishikesh KHARBAS, Mihai MANITIU, Guenter SCHOLZ, Lih-Sheng TURNG

Journal Article

Three-dimensional numerical simulation for plastic injection-compression molding

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

Journal Article

Intelligent methods for the process parameter determination of plastic injection molding

Huang GAO, Yun ZHANG, Xundao ZHOU, Dequn LI

Journal Article

CO, N, and CO/N mixed gas injection for enhanced shale gas recovery and CO geological storage

Journal Article

Economic Development Models of Gas Condensate Reservoir

Liu Tingyuan

Journal Article

Micro-optical fabrication by ultraprecision diamond machining and precision molding

Hui LI, Likai LI, Neil J. NAPLES, Jeffrey W. ROBLEE, Allen Y. YI

Journal Article

Development of a simplified n-heptane/methane model for high-pressure direct-injection naturalgas marine engines

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

Journal Article

semi-volatile organic compounds in water using automated online solid-phase extraction with large-volume injection/gas chromatography/mass spectrometry

Yongtao LI, Christina L. MCCARTY, Ed J. GEORGE

Journal Article

Effect of ignition timing and hydrogen fraction on combustion and emission characteristics of natural gasdirect-injection engine

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

Journal Article

Review of small aspheric glass lens molding technologies

Shaohui YIN,Hongpeng JIA,Guanhua ZHANG,Fengjun CHEN,Kejun ZHU

Journal Article

Effect of wood dust type on mechanical properties, wear behavior, biodegradability, and resistance to natural weathering of wood-plastic composites

Sawan KUMAR, Ajitanshu VEDRTNAM, S. J. PAWAR

Journal Article

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

Hyunwook Park, Euijoon Shim, Choongsik Bae

Journal Article