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Progress in developing an innovative lean burn catalytic turbine technology for fugitive methane mitigation

Shi SU, Xinxiang YU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 229-235 doi: 10.1007/s11708-011-0147-9

Abstract: utilization of the fugitive mine methane, and then presents research progress in developing an innovative leanburn catalytic turbine technology for fugitive methane mitigation and utilization.This turbine system can be powered with about 1% methane in air.

Keywords： coal mine methane     mitigation and utilization     lean burn gas turbine     catalytic combustion    

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Experimental study of stratified lean burn characteristics on a dual injection gasoline engine

Chun XIA, Tingyu ZHAO, Junhua FANG, Lei ZHU, Zhen HUANG

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 900-915 doi: 10.1007/s11708-021-0812-6

Abstract: Lean burn mode could greatly reduce pumping loss and decrease the fuel consumption of gasoline enginesburn by increasing the fuel concentration near the spark plug.It is shown that the lean burn limit can be extended to Lambda= 1.8 with a low compression ratio of 10There exists a spark window for dual injection stratified lean burn mode, in which the spark timing hasThe dual injection stratified lean burn has a wide range of applications which can effectively reduce

Keywords： dual injection     stratified lean burn     gasoline engine     particulate matter emission     combustion analysis    

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Numerical simulation of charge stratifications to improve combustion and NO formation of lean-burn SI

Zhijun PENG ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 353-358 doi: 10.1007/s11708-009-0035-8

Abstract: The influences of charge stratification on spark ignition (SI) engine combustion and NO emission were analyzed using a phenomenological model. The mixture in the cylinder was divided spherically into three parts: a central core with a stoichiometric air-fuel charge, a dilution region without any combustible charge, and a mixing region lying between the core and the dilution region. Three mixture stratification parameters such as the extent of dilution in the mixing region, the extent of combustible charge in the mixing region, and the gradient of stratification in the mixing region were investigated. The results indicate that the extent of combustible charge in the mixing region could reduce in-cylinder NO formation significantly, compared with the extent of dilution in the mixing region. As long as the degree of dilution in the mixing region is within the dilution limit of the combustible charge, the gradient of dilution has little effect on combustion and NO formation.

Keywords： charge stratification     SI engine     lean-burn combustion     NO emission    

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Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 143-146 doi: 10.1007/s11783-007-0025-1

Abstract: The catalyst performance was tested on a real lean-burn gasoline engine.At exhaust gas temperature range of 350 500?C, the maximum NO conversion reached about 90%.

Keywords： lean-burn gasoline     external reductant     nitrogen adsorption     conversion     catalyst performance    

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Structural modeling of a typical gas turbine system

Naresh YADAV, Irshad Ahmad KHAN, Sandeep GROVER

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 57-79 doi: 10.1007/s11708-011-0164-8

Abstract: This paper presents an approach for the structural modeling and analysis of a typical gas turbine systemturbine system.Since a gas turbine system performance is measured in terms of fluid flow energy transformations acrossA permanent function has been proposed for the functional model of a gas turbine system, which furtherleads to selection, identification and optimal evaluation of gas turbine systems.

Keywords： system modeling     gas turbine system evaluation     graph theoretic approach    

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Improvement of part-load performance of gas turbine by adjusting compressor inlet air temperature and

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1000-1016 doi: 10.1007/s11708-021-0746-z

Abstract: A novel adjusting method for improving gas turbine (GT) efficiency and surge margin (SM) under part-loadfor an equilibrium running line is adopted based on the characteristic curves of the compressor and turbinepart-load performance of GT due to the increase in compressor efficiency, combustion efficiency, and turbineefficiency as well as turbine inlet temperature, when inlet air temperature is lower than the optimal

Keywords： inlet air temperature     inlet guide vane (IGV) opening     part-load     equilibrium running line     gas turbine    

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Framework design of a hybrid energy system by combining wind farm with small gas turbine power plants

Nengsheng BAO, Weidou NI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 205-210 doi: 10.1007/s11708-009-0073-2

Abstract: A novel power system called wind-gas turbine hybrid energy system was discussed, and the framework designThe hybrid energy system combines wind farm with several small gas turbine power plants to form an integratedThe small gas turbine power plant has such special advantages as fast start-up, shutdown, and quick loadTherefore, the hybrid energy system uses the output from the small gas turbine power plants to compensateThe capacity of the wind farm is chosen according to the capacity and units of small gas turbine power

Keywords： framework design     hybrid energy system     wind farm     gas turbine power plants    

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Nonlinear design-point performance adaptation approaches and their comparisons for gas turbine applications

Y. G. LI, P. PILIDIS,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 446-455 doi: 10.1007/s11708-009-0042-9

Abstract: Accurate performance simulation and understanding of gas turbine engines is very useful for gas turbineIn this paper, two nonlinear gas turbine design-point performance adaptation approaches have been presentedmay be thrust and SFC for aero engines, shaft power, and thermal efficiency for industrial engines, gasThe two adaptation approaches have been applied to a model gas turbine engine.Theoretically, both adaptation methods can be extended to other gas turbine engine performance modelling

Keywords： gas turbine     engine     performance adaptation     performance matching     design-point performance simulation     influence    

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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 ResearchThe demonstration prototype is mainly composed of a single stage centrifugal compressor, a radial turbineThe above research work can make our state master independent intellectual property rights of micro gasturbine, rather than continue to be subject to the technological monopoly of the developed states, which

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

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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: The filter housing model was proposed for a heavy-duty industrial gas turbine plant operating at an average

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

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Sequential degradation-based burn-in test with multiple periodic inspections

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 519-530 doi: 10.1007/s42524-021-0166-0

Abstract: Burn-in has been proven effective in identifying and removing defective products before they are deliveredMost existing burn-in models adopt a one-shot scheme, which may not be sufficient enough for identificationuseful life prediction and accelerated lifetime test, this study proposes a sequential degradation-based burn-inWe cast the problem into a partially observed Markov decision process to minimize the expected total burn-in

Keywords： burn-in     degradation     multiple inspections     Wiener process     partially observed Markov decision process    

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Performance analysis of cogeneration systems based on micro gas turbine (MGT), organic Rankine cycle

Zemin BO, Kai ZHANG, Peijie SUN, Xiaojing LV, Yiwu WENG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 54-63 doi: 10.1007/s11708-018-0606-7

Abstract: The systems are MGT (micro gas turbine) + ORC (organic Rankine cycle) for electricity demand, MGT+ ERC

Keywords： cogeneration system     different working fluids     micro gas turbine (MGT)     organic Rankine cycle (ORC)     ejector    

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Monocyte subsets and their differentiation tendency after burn injury

Guangqing Wang, Zhaofan Xia

Frontiers of Medicine 2013, Volume 7, Issue 4,   Pages 397-400 doi: 10.1007/s11684-013-0298-7

Abstract: present study may help enhance understanding on the perturbation of the immune system after severe burn

Keywords： monocyte     differentiation     burn    

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Experimental investigations on combustion characteristics of syngas composed of CH

Qingwei FAN, Shien HUI, Qulan ZHOU, Qinxin ZHAO, Tongmo XU

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 404-410 doi: 10.1007/s11705-010-0513-x

Abstract: The residual gas and remained raw gas in dual gas resources polygeneration system are quite complex insyngas referred above are conducted on a laboratory-scale combustor with flame temperature and flue gasfound that PA dominates mostly the ignition of syngas and NO formation, while TA affects the flue gas

Keywords： dual gas resources polygeneration     lean premixed combustion     residual gas     remained raw gas     NO   

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Deep Thoughts on History of Gas Turbine Aeroengine

Wu Daguan

Strategic Study of CAE 2000, Volume 2, Issue 1,   Pages 77-80

Abstract:

A brief description of the initiative history of gas turbine aeroengine which quite few people knowIn the 1940's USA, the former Soviet Union and old China all bought the license of Nene gas turbine

Keywords： gas turbine aeroengine     basic reseach     pre-research    

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Title Author Date Type Operation

Progress in developing an innovative lean burn catalytic turbine technology for fugitive methane mitigation

Shi SU, Xinxiang YU

Journal Article

Experimental study of stratified lean burn characteristics on a dual injection gasoline engine

Chun XIA, Tingyu ZHAO, Junhua FANG, Lei ZHU, Zhen HUANG

Journal Article

Numerical simulation of charge stratifications to improve combustion and NO formation of lean-burn SI

Zhijun PENG ,

Journal Article

Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Journal Article

Structural modeling of a typical gas turbine system

Naresh YADAV, Irshad Ahmad KHAN, Sandeep GROVER

Journal Article

Improvement of part-load performance of gas turbine by adjusting compressor inlet air temperature and

Journal Article

Framework design of a hybrid energy system by combining wind farm with small gas turbine power plants

Nengsheng BAO, Weidou NI,

Journal Article

Nonlinear design-point performance adaptation approaches and their comparisons for gas turbine applications

Y. G. LI, P. PILIDIS,

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

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

Sequential degradation-based burn-in test with multiple periodic inspections

Journal Article

Performance analysis of cogeneration systems based on micro gas turbine (MGT), organic Rankine cycle

Zemin BO, Kai ZHANG, Peijie SUN, Xiaojing LV, Yiwu WENG

Journal Article

Monocyte subsets and their differentiation tendency after burn injury

Guangqing Wang, Zhaofan Xia

Journal Article

Experimental investigations on combustion characteristics of syngas composed of CH

Qingwei FAN, Shien HUI, Qulan ZHOU, Qinxin ZHAO, Tongmo XU

Journal Article

Deep Thoughts on History of Gas Turbine Aeroengine

Wu Daguan

Journal Article