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Development of a fan-stirred constant volume combustion chamber and turbulence measurement with PIV

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 973-987 doi: 10.1007/s11708-021-0762-z

Abstract: A fan-stirred combustion chamber is deve-loped for spherically expanding flames, with P and P = 0.5–5 bar), fanThe turbulent field is homogeneous and isotropic in the central region of the chamber while the inertialThis indicates that the newly built turbulent combustion chamber is reliable for further experimental

Keywords： fan-stirred combustion chamber     turbulence characteristics     particle image velocimetry (PIV)     methanol    

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Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 392-401 doi: 10.1007/s11708-009-0066-1

Abstract: Combustion chamber components (cylinder head-cylinder liner-piston assembly-oil film) were treated ascoupled three-dimensional simulation of in-cylinder working process and the combustion chamber componentschamber components on in-cylinder heat transfer.The results show that the effect of wall temperature space non-uniform distribution of combustion chamberTherefore, it can be concluded that wall temperature space non-uniform distribution of combustion chamber

Keywords： heat transfer     space non-uniformity     soot emission     in-cylinder     diesel    

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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: complex in components (mainly CH , CO, and H ), and these results to the distinguished differences in combustionExperimental investigations on basic combustion characteristics of syngas referred above are conducted

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

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Fundamental influences of particles on stirred and unstirred venting processes of foaming systems

Henrik LEIMEISTER,Jörg STEINBACH

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 141-148 doi: 10.1007/s11705-014-1423-0

Abstract: Venting is the common safety measure to protect plant equipment against excessive overpressure. So far, scenarios in which particles were part of the system and should have been accounted for did ignore their presence; the scenarios were treated like a two-phase system. Current research shows that particles can have a major influence on the venting behaviour. Experimental results indicate that particles affect level swell and relief flow especially of foamy systems. Based on those results four different layers of influence of the particle have been identified and are presented in a first model. Based on this model recommendations for the development of new and more complex models are given.

Keywords： venting     multi-phase    

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An experimental study on spray auto-ignition of RP-3 jet fuel and its surrogates

Yaozong DUAN, Wang LIU, Zhen HUANG, Dong HAN

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 396-404 doi: 10.1007/s11708-020-0715-y

Abstract: Surrogate fuel is usually used for fundamental combustion study due to the complex composition of practicaldodecane/21.6% mol -cetane/28.6% mol toluene blend (Surrogate 3) were studied in a heated constant volume combustionchamber.

Keywords： RP-3 jet fuel     surrogate     spray auto-ignition     constant volume combustion chamber    

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Fermentative hydrogen production from beet sugar factory wastewater treatment in a continuous stirred

Gefu ZHU, Chaoxiang LIU, Jianzheng LI, Nanqi REN, Lin LIU, Xu HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 143-150 doi: 10.1007/s11783-012-0456-1

Abstract: wastewater treatment and bio-hydrogen production from acidic beet sugar factory wastewater in a continuous stirred

Keywords： fermentative hydrogen production     continuous stirred tank reactor (CSTR)     specific hydrogen production    

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Numerical simulation of fluid dynamics in the stirred tank by the SSG Reynolds Stress Model

Nana QI, Hui WANG, Kai ZHANG, Hu ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 506-514 doi: 10.1007/s11705-010-0508-7

Abstract: Gatski Reynolds Stress Model (SSG RSM) is utilized to simulate the fluid dynamics in a full baffled stirredThe comparison shows that the global fluid dynamics throughout the stirred tank and the local characteristicsdesigned value, which demonstrates that this model can accurately calculate the power number in the stirredcombination of SSG RSM and MRF impeller rotational model can accurately model turbulent fluid flow in the stirredtank, and it offers an alternative method for design and optimisation of stirred tanks.

Keywords： stirred tank     fluid dynamics     numerical simulation     SSG Reynolds Stress Model     MRF    

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Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1734-9

Abstract:

● Photochemical conversion of chlorobenzene (CB) on α-Fe2O3 was evaluated.

Keywords： Photochemical conversion     Chlorobenzene     α-Fe2O3     PCDD/Fs     Mineral particulate    

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Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 483-493 doi: 10.1007/s11708-019-0631-1

Abstract: However, natural gas is relatively difficult to be ignited in a large bore combustion chamber.A combustion enhancement technique called pre-chamber turbulent jet ignition (TJI) can permit combustionTo investigate the effect of air-fuel equivalence ratio and pre-mixed pressure on pre-chamber TJI ofdue to the asymmetric orientation of the spark plug, resulting in the inhomogeneous distribution of combustionin the constant volume chamber, which should be considered seriously in the marine engine design.

Keywords： marine engine     natural gas     methane     turbulent jet ignition (TJI)     pre-chamber    

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investigation of the influence of kinetics and shape factor on barium sulfate precipitation in a continuous stirred

Zheng WANG, Zai-Sha MAO, Chao YANG, Qinghua ZHANG, Jingcai CHENG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 272-281 doi: 10.1007/s11705-009-0023-x

Abstract: The effect of kinetics and shape factor on barium sulfate precipitation in a continuous stirred tank

Keywords： stirred tank     numerical simulation     precipitation     shape factor     crystal kinetics    

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A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1800-y

Abstract:

● A spindle-shaped influent chamber was designed and equipped in

Keywords： Spindle-shaped chamber     Desalination performance     Flow electrode capacitive deionization    

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Mercury emission and adsorption characteristics of fly ash in PC and CFB boilers

Li JIA, Baoguo FAN, Xianrong ZHENG, Xiaolei QIAO, Yuxing YAO, Rui ZHAO, Jinrong GUO, Yan JIN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 112-123 doi: 10.1007/s11708-020-0682-3

Abstract: The mercury emission was obtained by measuring the mercury contents in flue gas and solid samples in pulverized coal (PC) and circulating fluidized bed (CFB) utility boilers. The relationship was obtained between the mercury emission and adsorption characteristics of fly ash. The parameters included unburned carbon content, particle size, and pore structure of fly ash. The results showed that the majority of mercury released to the atmosphere with the flue gas in PC boiler, while the mercury was enriched in fly ash and captured by the precipitator in CFB boiler. The coal factor was proposed to characterize the impact of coal property on mercury emissions in this paper. As the coal factor increased, the mercury emission to the atmosphere decreased. It was also found that the mercury content of fly ash in the CFB boiler was ten times higher than that in the PC boiler. As the unburned carbon content increased, the mercury adsorbed increased. The capacity of adsorbing mercury by fly ash was directly related to the particle size. The particle size corresponding to the highest content of mercury, which was about 560 ng/g, appeared in the range from 77.5 to 106 µm. The content of mesoporous (4–6 nm) of the fly ash in the particle size of 77.5–106 µm was the highest, which was beneficial to adsorbing the mercury. The specific surface area played a more significant role than specific pore volume in the mercury adsorption process.

Keywords： mercury     combustion modes     coal property     fly ash     particle size    

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Properties of La1-xCexCoO3 system perovskite-type catalysts for diesel engine exhaust removal

GONG Cairong, FAN Guoliang, HOU Yanfeng, ZHANG Zhongrong, SONG Chonglin, HUANG Qifei

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 6-10 doi: 10.1007/s11705-007-0002-z

Abstract: A series of complex oxide LaCeCoO catalysts was synthesized at a low temperature through a combustion

Keywords： catalytic mechanism     combustion     corresponding     LaCeCoO     catalytic activity    

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A logic-based controller for the mitigation of ventilation air methane in a catalytic flow reversal reactor

Zhikai LI, Zhangfeng QIN, Yagang ZHANG, Zhiwei WU, Hui WANG, Shuna LI, Mei DONG, Weibin FAN, Jianguo

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 347-356 doi: 10.1007/s11705-013-1347-0

Abstract: The control system of a catalytic flow reversal reactor (CFRR) for the mitigation of ventilation air methane was investigated. A one-dimensional heterogeneous model with a logic-based controller was applied to simulate the CFRR. The simulation results indicated that the controller developed in this work performs well under normal conditions. Air dilution and auxiliary methane injection are effective to avoid the catalyst overheating and reaction extinction caused by prolonged rich and lean feed conditions, respectively. In contrast, the reactor is prone to lose control by adjusting the switching time solely. Air dilution exhibits the effects of two contradictory aspects on the operation of CFRR, i.e., cooling the bed and accumulating heat, though the former is in general more prominent. Lowering the reference temperature for flow reversal can decrease the bed temperature and benefit stable operation under rich methane feed condition.

Keywords： ventilation air methane     reverse flow reactor     lean methane combustion     logic-based controller     mathematical    

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Application Status and Prospect of Ammonia Energy

Yong Ruisheng , Yang Chuanruo , Xue Ming , Nie Fan , Zhao Xinglei

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 111-121 doi: 10.15302/J-SSCAE-2023.02.014

Abstract: The ammonia energy application status is reviewed from four aspects: ammonia internal combustion

Keywords： zero-carbon fuel     ammonia energy     energy storage     combustion    

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Title Author Date Type Operation

Development of a fan-stirred constant volume combustion chamber and turbulence measurement with PIV

Journal Article

Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Journal Article

Experimental investigations on combustion characteristics of syngas composed of CH

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

Journal Article

Fundamental influences of particles on stirred and unstirred venting processes of foaming systems

Henrik LEIMEISTER,Jörg STEINBACH

Journal Article

An experimental study on spray auto-ignition of RP-3 jet fuel and its surrogates

Yaozong DUAN, Wang LIU, Zhen HUANG, Dong HAN

Journal Article

Fermentative hydrogen production from beet sugar factory wastewater treatment in a continuous stirred

Gefu ZHU, Chaoxiang LIU, Jianzheng LI, Nanqi REN, Lin LIU, Xu HUANG

Journal Article

Numerical simulation of fluid dynamics in the stirred tank by the SSG Reynolds Stress Model

Nana QI, Hui WANG, Kai ZHANG, Hu ZHANG

Journal Article

Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment

Journal Article

Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Journal Article

investigation of the influence of kinetics and shape factor on barium sulfate precipitation in a continuous stirred

Zheng WANG, Zai-Sha MAO, Chao YANG, Qinghua ZHANG, Jingcai CHENG

Journal Article

A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Journal Article

Mercury emission and adsorption characteristics of fly ash in PC and CFB boilers

Li JIA, Baoguo FAN, Xianrong ZHENG, Xiaolei QIAO, Yuxing YAO, Rui ZHAO, Jinrong GUO, Yan JIN

Journal Article

Properties of La1-xCexCoO3 system perovskite-type catalysts for diesel engine exhaust removal

GONG Cairong, FAN Guoliang, HOU Yanfeng, ZHANG Zhongrong, SONG Chonglin, HUANG Qifei

Journal Article

A logic-based controller for the mitigation of ventilation air methane in a catalytic flow reversal reactor

Zhikai LI, Zhangfeng QIN, Yagang ZHANG, Zhiwei WU, Hui WANG, Shuna LI, Mei DONG, Weibin FAN, Jianguo

Journal Article

Application Status and Prospect of Ammonia Energy

Yong Ruisheng , Yang Chuanruo , Xue Ming , Nie Fan , Zhao Xinglei

Journal Article