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Simulation of blast induced crater in jointed rock mass by discontinuous deformation analysis method

Youjun NING, Xinmei AN, Jun YANG, Guowei MA,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 223-232 doi: 10.1007/s11709-010-0022-5

Abstract: blasting is a dynamic process accompanied with the propagations of shock waves and the dispersion of the explosiongas.The blasting process in jointed rock mass is simulated by application of the explosion gas pressure onThe whole process including the explosion gas dispersion, borehole expansion, rock mass failure and cast

Keywords： blast crater     jointed rock mass     explosion gas pressure     discontinuous deformation analysis (DDA) method    

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Review on internal explosion loading of building

Gao Kanghua,Jin Fengnian,Wang Derong,Ma Shiliang

Strategic Study of CAE 2013, Volume 15, Issue 5,   Pages 59-64

Abstract:

Internal explosion has become one of the main forms of explosion disastersAccording to chemical explosive internal explosion and combustible gas mixture interior deflagration,It shows that most research results are obtained by explosion experiment or numerical simulation in containerscharacteristics and functions are considered little in the corresponding theoretical model of internal explosion

Keywords： building     internal explosion loading     chemical explosive     combustible gas mixture     deflagration    

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CFD evaluation of pressure drop across a 3-D filter housing for industrial gas turbine plants

Fidelis I. ABAM,Samuel O. EFFIOM,Olayinka S. OHUNAKIN

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 192-202 doi: 10.1007/s11708-016-0406-x

Abstract: This paper investigated the flow distribution and total pressure drop across a designed 3-D filter housingThe filter housing model was proposed for a heavy-duty industrial gas turbine plant operating at an averageambient temperature of 20°C.The pressure drops across the classes of filters were 652.8 Pa, 2692.2 PaThe results obtained indicated an acceptable total pressure drop of 7.2% for the entire filter housing

Keywords： computational fluid dynamics (CFD)     pressure drop     flow distribution     filter housing     gas turbine    

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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. The simulation of the system capability and three segmental injected pressure control are carried

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

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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 futureaddition, these two reduced models were both able to reproduce the experimentally measured in-cylinder pressureand heat release rate profiles for a HPDI natural gas marine engine, the highest error of predictedhigh-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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Bioenergy recovery from landfill gas: A case study in China

Wei WANG, Yuxiang LUO, Zhou DENG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 20-31 doi: 10.1007/s11783-009-0012-9

Abstract: Landfill gas (LFG) utilization which means a synergy between environmental protection and bioenergy recoveryPressure swing adsorption technology was used in LFG purification, and laboratory experiment, pilot-scaleThe optimal adsorption pressure and adsorption time were 0.25 MPa and 2 min, respectively, under whichThe product gas was of high quality compared with the National Standard of Compressed Natural Gas asVehicle Fuel (GB18047-2000), when the air concentration in feed gas was under 10.96%.

Keywords： landfill gas (LFG)     compressed purified landfill gas (CPLG)     pressure swing adsorption (PSA)     alternative    

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Numerical simulation and analysis of periodically oscillating pressure characteristics of inviscid flow

Yan GU, Yonglin JU

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 21-28 doi: 10.1007/s11708-012-0173-2

Abstract: Floating liquefied natural gas (LNG) plants are gaining increasing attention in offshore energy exploitationThe influences of flow velocities and excitated conditions on pressure characteristics, including meanpressure, frequency and amplitude are systematically investigated.The amplitude of the pressure fluctuation increases with the increasing of the excitated amplitude, andIt is also found that the period of the pressure fluctuation varies with the excitated frequency.

Keywords： pressure fluctuation     rolling     floating production storage and offloading unit for liquefied natural gas    

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Cementing technology of gas wells with complex pressure on Northwest Sichuan

Zhou Shiming,Zeng Yijin

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 50-55

Abstract: province with successful discovery of gas structures such as Puguang and Heba and Yuanba etc.High temperature and hiang pressure and high H2S are typical character of those gas fieldsThere have several sets of strata pressure systems in land sediment and sea sediment stratums, and thereservoir will threaten the safety of gas wells.for the gas field putting into production.

Keywords： complex strata pressure     thin annular     gas migration     pretermission     latex     sector-by-sector surcharging    

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Well testing technology and application in high-pressure and high-production sulfur-containing gas reservoir

Wang Shize,Tang Ruijiang,Zhao Zuopei,Du Lin

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 56-60

Abstract:

There were many characters in marine gas reservoir of the northeast Sichuan, such as deeply buried, high-pressure and high temperature, generally sulfur-containing, productionBased on large numbers of laboratory practices and experiences, well testing technology in high-pressureand high-production sulfur-containing gas reservoir were put forward, including three classes of APRperforating and acid fracturing combined well testing string, string mechanical analysis, multi-pressure

Keywords： high pressure and high production     sulfur-containing     gas reservoir     well testing    

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Summarization of prevention and removing technology against terrorist attacks explosion

Fang Xiang,Gao Zhenru,Zhou Shouqiang,Guo Tao

Strategic Study of CAE 2013, Volume 15, Issue 5,   Pages 80-83

Abstract: Prevention and removing technology is the most direct means against terrorist attack explosion.Nowadays, there has been great progress in prevention and removing technology against terrorist attack explosion

Keywords： terrorist explosion     explosive search     explosive removing     explosive prevention    

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Effect of different gas releasing methods on anaerobic fermentative hydrogen production in batch cultures

Sheng CHANG, Jianzheng LI, Feng LIU, Ze YU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 901-906 doi: 10.1007/s11783-012-0403-1

Abstract: Decreasing hydrogen partial pressure can not only increase the activity of the hydrogen enzyme but alsopH 7.0 and glucose concentration of 10 g·L , the hydrogen production was only 28 mL when releasing gasThe cumulative hydrogen production could reach 155 mL when carbon dioxide in the gas stream was continuouslywhereas the butyrate predominated and reached 47%–53% of the total liquid end products when releasing gasIt is concluded that the homoacetogenesis could be suppressed when absorbing CO in the gas phase in

Keywords： batch fermentation     hydrogen production     biogas releasing     hydrogen pressure     homoacetogenesis    

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Advances in the technology of explosion in fracturesused in low permeability reservoirs

Li Decong,Chen Li,Lin Yingsong, Ding Yansheng

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 52-57

Abstract:

In this paper,the technical idea and the possible applications of this method were briefly introduced. Meanwhile, some related key technical problems were also particularly discussed. A series of research and corresponding advances achieved in recent years were reported in detail. In the end, some suggestion was made for further research.

Keywords： low permeability reservoirs     mechanics of explosion     explosion in fractures     security     simulation experiment    

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Numerical Investigation of the Pressure Exponent in Gas Turbine Combustor Efficiency Similitude Study

Yang Rui,Wang Yingshi

Strategic Study of CAE 2003, Volume 5, Issue 10,   Pages 83-87

Abstract:

The effect of combustion process on the pressure exponent N in gas turbine combustor efficiency similitudeIt is suggested that for hydrocarbon fuel, the pressure exponent N may be selected as 1.6〜2.0 when theThe result of this paper would be useful for the modeling test of gas turbine combustor.

Keywords： combustor efficiency similitude study     pressure exponent     numerical simulation    

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Nuclear Explosion Fusion Power Plant—the Hope of the Mankind Future Energy

Peng Xianjue,Liu Cheng’an,Chen Yinliang,Guo Qin,Yin Wenhua,Bai Yun,Chen Xiaowei,Qu Ming

Strategic Study of CAE 2008, Volume 10, Issue 1,   Pages 39-46

Abstract: A series of technique is put forward to solve the implementing safety of nuclear explosion.

Keywords： nuclear explosion fusion power plant     explosion cavity     spray Na     burn-deuterium-type nuclear installation    

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Modeling the gas flow in a cyclone separator at different temperature and pressure

Gujun WAN, Guogang SUN, Cuizhi GAO, Ruiqian DONG, Ying ZHENG, Mingxian SHI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 498-505 doi: 10.1007/s11705-010-0502-0

Abstract: The gas flow field in a cyclone separator, operated within a temperature range of 293 K – 1373 K anda pressure range of 0.1 – 6.5 MPa, has been simulated using a modified Reynolds-stress model (RSM) onThe computational results show that the temperature and pressure significantly influence the gas velocityThe temperature and pressure have a relatively weak influence on the axial velocity profiles.The outer downward flow rate increases with a temperature increase, whereas it decreases with a pressure

Keywords： cyclone separator     high temperature     high pressure     flow field     numerical simulation    

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Title Author Date Type Operation

Simulation of blast induced crater in jointed rock mass by discontinuous deformation analysis method

Youjun NING, Xinmei AN, Jun YANG, Guowei MA,

Journal Article

Review on internal explosion loading of building

Gao Kanghua,Jin Fengnian,Wang Derong,Ma Shiliang

Journal Article

CFD evaluation of pressure drop across a 3-D filter housing for industrial gas turbine plants

Fidelis I. ABAM,Samuel O. EFFIOM,Olayinka S. OHUNAKIN

Journal Article

Pressure in Gas-assisted Injection Molding

Ou Changjin

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

Bioenergy recovery from landfill gas: A case study in China

Wei WANG, Yuxiang LUO, Zhou DENG

Journal Article

Numerical simulation and analysis of periodically oscillating pressure characteristics of inviscid flow

Yan GU, Yonglin JU

Journal Article

Cementing technology of gas wells with complex pressure on Northwest Sichuan

Zhou Shiming,Zeng Yijin

Journal Article

Well testing technology and application in high-pressure and high-production sulfur-containing gas reservoir

Wang Shize,Tang Ruijiang,Zhao Zuopei,Du Lin

Journal Article

Summarization of prevention and removing technology against terrorist attacks explosion

Fang Xiang,Gao Zhenru,Zhou Shouqiang,Guo Tao

Journal Article

Effect of different gas releasing methods on anaerobic fermentative hydrogen production in batch cultures

Sheng CHANG, Jianzheng LI, Feng LIU, Ze YU

Journal Article

Advances in the technology of explosion in fracturesused in low permeability reservoirs

Li Decong,Chen Li,Lin Yingsong, Ding Yansheng

Journal Article

Numerical Investigation of the Pressure Exponent in Gas Turbine Combustor Efficiency Similitude Study

Yang Rui,Wang Yingshi

Journal Article

Nuclear Explosion Fusion Power Plant—the Hope of the Mankind Future Energy

Peng Xianjue,Liu Cheng’an,Chen Yinliang,Guo Qin,Yin Wenhua,Bai Yun,Chen Xiaowei,Qu Ming

Journal Article

Modeling the gas flow in a cyclone separator at different temperature and pressure

Gujun WAN, Guogang SUN, Cuizhi GAO, Ruiqian DONG, Ying ZHENG, Mingxian SHI

Journal Article