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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:

In this study,  an effective control method and strategy based onfuzzy neural network has been developed for gas injection pressure accurate control in gas-assistedA fuzzy neural network controller with five layers and its control algorithm are established. The simulation of the system capability and three segmental injected pressure control are carriedsystem has good characteristics and control action.

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

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Experimental investigation of a novel micro gas turbine with flexible switching function for distributed

Xiaojing LV, Weilun ZENG, Xiaoyi DING, Yiwu WENG, Shilie WENG

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 790-800 doi: 10.1007/s11708-020-0691-2

Abstract: Micro gas turbine (MGT) is widely used in small-scale distributed power systems because of its low emissionsThis MGT is located at Shanghai Jiao Tong University (SJTU), which is designed by the Gas Turbine Researchcentrifugal compressor, a radial turbine, a combustor, a high-speed permanent magnet generator, and a controlgenerator mode, and from grid-connected mode to off-grid mode, because the innovative multi-state switching controlThe above research work can make our state master independent intellectual property rights of micro gas

Keywords： gas turbine     flexible switching system     control system     distributed power system     emission test    

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Discussion on the collection and transmission equipments’ drive method of oil or gas from the explosionsof Dalian pipeline—gathering and conveyance of oil or gas with the help of passive control drive technology

Zeng Xiangwei,Chen Kun,Qiu Xiaoping,Zeng Xiaoge,Xiang Beiping,Zang Hongbin,Shi Lei,Gong Wei

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 34-38

Abstract: China, this paper focused on the collection and transmission equipments' drive method of oil or gasin the world and proposed a passive control principle and method.With the introduction of structure and principle of passive control shuttle-type key component, the passiveshuttle-type control pipeline explosion protection system and the shuttle-type fire-fighting check valveoilcan were discussed in detail, which was very helpful for the collection and transmission of oil or gas

Keywords： passive     control     gathering and conveyance of oil or gas     leakage    

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Techno-economic assessment of providing control energy reserves with a biogas plant

Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 763-771 doi: 10.1007/s11705-018-1776-x

Abstract: In this study, the technical and economic effects of providing positive secondary control energy reservesThe findings show that the installed biogas storage capacity is sufficient to provide control energyProfitability of providing control energy reserves largely depends on the prices at the control energy

Keywords： biogas plant     process simulation     control energy reserves     economic assessment     gas storage    

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Internal corrosion control and monitoring of Puguang gas gathering system

Ou Li,Li Shijie,Su Guofeng

Strategic Study of CAE 2010, Volume 12, Issue 10,   Pages 70-75

Abstract: style="text-align: justify;">The corrosion features of highly hydrogen sulfur and carbon dioxide sour gasgathering system during the Puguang Gas Field development were discussed.The corrosion control plan of"carbon steel + corrosion inhibitor + pigging + corrosion monitoringinvoluted terrain, a dense population, and a "wet"  gas gathering system.The execution effect of corrosion control & monitoring was preliminarily evaluated, and the proposal

Keywords： Puguang sour gas field     H2S     CO2     wet gas transmission     corrosion inhibition     corrosion monitoring    

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Transient emission simulation and optimization of turbocharged diesel engine

Lingge SUI, Zhongchang LIU, Yongqiang HAN, Jing TIAN

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 237-244 doi: 10.1007/s11708-013-0251-0

Abstract: Aimed at the contradiction of NO and soot emission control with exhaust gas recirculation (EGR) of turbochargeddiesel engine under transient operations, on this simulation platform, a transient EGR valve controlSimulation and experimental results prove that the transient emission optimization effect of this controlOn the one hand, compared with the previous control strategy, which closed the EGR valve during the wholeOn the other hand, compared with the previous control strategy, NO transient emission is reduced by

Keywords： diesel engine     transient simulation     emission     control strategy     exhaust gas recirculation (EGR)    

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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 gasIn addition, when the CO2 concentration in the mixed gas exceeded 50%, the adsorption capacityof the mixed gas was greater than that of CH4, and had a strong competitive adsorption effectFor the core flooding tests, pure gas injection showed that the breakthrough time of CO2 wasmn>4 of CO2 gas

Keywords： shale gas     gas injection     competitive adsorption     enhanced shale gas recovery     CO2 geological    

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A novel methodology for forecasting gas supply reliability of natural gas pipeline systems

Feng CHEN, Changchun WU

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 213-223 doi: 10.1007/s11708-020-0672-5

Abstract: In this paper, a novel systematic and integrated methodology to assess gas supply reliability is proposedThe result of the gas pipeline system calculated is the average gas supply reliability in each typicalTo verify the feasibility, the method proposed is applied for a real natural gas pipelines network systemThe comparison of the results calculated and the actual gas supply reliability based on the filed datathe gas supply reliability from two dimensions of quantity and time.

Keywords： natural gas pipeline system     gas supply reliability     evaluation index     Monte Carlo method     hydraulic simulation    

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Fuel poverty and low carbon emissions: a comparative study of the feasibility of the hybrid renewable energy 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: The aim of this paper was to identify a grid connected renewable energy system coupled with natural gas

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

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Life-cycle analysis of energy use and greenhouse gas emissions of gas-to-liquid fuel pathway from steelmill off-gas in China by the LanzaTech process

Xunmin OU, Xu ZHANG, Qian ZHANG, Xiliang ZHANG

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 263-270 doi: 10.1007/s11708-013-0263-9

Abstract: The life-cycle analysis (LCA) of energy use and greenhouse gas emissions from the LanzaTech process hasThe LCA results demonstrate that LanzaTech gas-to-liquid (GTL) processing in China’s steel manufacturingis favorable in terms of life-cycle fossil energy and can reduce greenhouse gas emissions by approximatelyLanzaTech process, therefore, shows advantages in both energy-savings and a reduction in greenhouse gas

Keywords： life-cycle analysis (LCA)     gas-to-liquid (GTL)     LanzaTech process    

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The control factors and distribution laws of volcanic oil and gas reservoir in China

Hou Lianhua,Zhu Rukai,Zhao Xia,Pang Zhenglian,Luo Xia,Mao Zhiguo

Strategic Study of CAE 2012, Volume 14, Issue 6,   Pages 77-86

Abstract: In Songliao Basin, deep continued settlement faults control the distribution of gas regional; hydrocarbonvolcanic reservoir controls gas accumulation.In the north part of Xinjiang area, the Carboniferous residual hydrocarbon-generation sags control areadegree; the type of weathering crust-stratum traps could control reservoir forming effectively; the positivetectonic background controls oil and gas migration and accumulation.

Keywords： volcanic rock reservoir     igneous reservoir     reservoir formation control factors     reservoir distribution    

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Latest progress in numerical simulations on multiphase flow and thermodynamics in production of natural gasfrom gas hydrate reservoir

Lin ZUO, Lixia SUN, Changfu YOU

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 152-159 doi: 10.1007/s11708-009-0017-x

Abstract: Natural gas hydrates are promising potential alternative energy resources.studies on the multiphase flow and thermodynamics have been conducted to investigate the feasibility of gasThe methods for natural gas production are analyzed and several models describing the dissociation processA comprehensive numerical method considering the multiphase flow and thermodynamics of gas productionvarious hydrate-bearing reservoirs is required to better understand the dissociation process of natural gas

Keywords： numerical simulation     natural gas hydrate     dissociation     thermodynamics     multiphase flow    

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Key issues in development of offshore natural gas hydrate

Shouwei ZHOU, Qingping LI, Xin LV, Qiang FU, Junlong ZHU

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 433-442 doi: 10.1007/s11708-020-0684-1

Abstract: As a new clean energy resource in the 21st century, natural gas hydrate is considered as one of the mostThis paper, based on the research progress in exploitation of natural gas hydrate (NGH) in China andthe world, systematically reviewed and discussed the key issues in development of natural gas hydratedescription and quantitative characterization of abundance in hydrate enrichment zone, and looking for gasThe ‘Three-gas co-production’ (natural gas hydrate, shallow gas, and conventional gas) may be an effective

Keywords： natural gas hydrate exploitation offshore     diagenetic and non-diagenetic hydrate     solid-state fluidizationmethod     dessert in enrichment area     three-gas combined production on gas hydrate abundance    

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Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 251-265 doi: 10.1007/s11708-022-0857-1

Abstract: Advances in natural gas-fired technologies have deepened the coupling between electricity and gas networks, promoting the development of the integrated electricity-gas network (IEGN) and strengthening the interactionbetween the active-reactive power flow in the power distribution network (PDN) and the natural gas flowin the gas distribution network (GDN).A test system consisting of an IEEE-33 test system and a 7-node natural gas network is adopted to verify

Keywords： combined cooling     heating     and power (CCHP)     integrated energy systems (IES)     natural gas     power distributionsystem     gas distribution system    

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Title Author Date Type Operation

Pressure in Gas-assisted Injection Molding

Ou Changjin

Journal Article

Experimental investigation of a novel micro gas turbine with flexible switching function for distributed

Xiaojing LV, Weilun ZENG, Xiaoyi DING, Yiwu WENG, Shilie WENG

Journal Article

Discussion on the collection and transmission equipments’ drive method of oil or gas from the explosionsof Dalian pipeline—gathering and conveyance of oil or gas with the help of passive control drive technology

Zeng Xiangwei,Chen Kun,Qiu Xiaoping,Zeng Xiaoge,Xiang Beiping,Zang Hongbin,Shi Lei,Gong Wei

Journal Article

Techno-economic assessment of providing control energy reserves with a biogas plant

Ervin Saracevic, David Woess, Franz Theuretzbacher, Anton Friedl, Angela Miltner

Journal Article

Internal corrosion control and monitoring of Puguang gas gathering system

Ou Li,Li Shijie,Su Guofeng

Journal Article

innovation and construction integration technology in Brazil’s superlarge deep-water offshore oil and gas

Journal Article

Transient emission simulation and optimization of turbocharged diesel engine

Lingge SUI, Zhongchang LIU, Yongqiang HAN, Jing TIAN

Journal Article

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

Journal Article

A novel methodology for forecasting gas supply reliability of natural gas pipeline systems

Feng CHEN, Changchun WU

Journal Article

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

Journal Article

Life-cycle analysis of energy use and greenhouse gas emissions of gas-to-liquid fuel pathway from steelmill off-gas in China by the LanzaTech process

Xunmin OU, Xu ZHANG, Qian ZHANG, Xiliang ZHANG

Journal Article

The control factors and distribution laws of volcanic oil and gas reservoir in China

Hou Lianhua,Zhu Rukai,Zhao Xia,Pang Zhenglian,Luo Xia,Mao Zhiguo

Journal Article

Latest progress in numerical simulations on multiphase flow and thermodynamics in production of natural gasfrom gas hydrate reservoir

Lin ZUO, Lixia SUN, Changfu YOU

Journal Article

Key issues in development of offshore natural gas hydrate

Shouwei ZHOU, Qingping LI, Xin LV, Qiang FU, Junlong ZHU

Journal Article

Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Journal Article