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Effect of 2,5-dimethylfuran addition on ignition delay times of n-heptane at high temperatures

Zhenhua GAO, Erjiang HU, Zhaohua XU, Geyuan YIN, Zuohua HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 464-473 doi: 10.1007/s11708-019-0609-z

Abstract: The shock tube autoignition of 2,5-dimethylfuran (DMF)/n-heptane blends (DMF0-100%, by mole fraction)As the DMF addition increases to relatively higher levels, the consumption path of n-heptane is significantlysmall radicals, which primarily leads to the nonlinear increase in the ignition delay times of DMF/n-heptane

Keywords: ignition delay time     shock tube     kinetic model     2     5-dimethylfuran (DMF)     n-heptane    

Numerical study of ignition mechanism of n-heptane direct injection compression-ignition engine

Xiaoping GUO, Zhanjie WANG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 432-439 doi: 10.1007/s11708-009-0050-9

Abstract: A detailed chemical dynamical mechanism of oxidation of n-heptane was implemented into kiva-3 code to

Keywords: compression-ignition engine     ignition mechanism     elementary reaction     n-heptane    

Applicability of high dimensional model representation correlations for ignition delay times of n-heptane

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 367-376 doi: 10.1007/s11708-018-0584-9

Abstract: dimensional model representation (RS-HDMR) methods were employed to predict the ignition delay times of n-heptaneA detailed n-heptane chemical mechanism was used to calculate the fuel ignition delay times in the adiabaticcorrelations had a satisfactory prediction accuracy in general for the ignition delay times of the n-heptane

Keywords: ignition delay     random sampling     high dimensional model representation     n-heptane     fuel kinetics    

Effect of hierarchical ZSM-5 zeolite crystal size on diffusion and catalytic performance of n-heptane

Shuman Xu, Xiaoxiao Zhang, Dangguo Cheng, Fengqiu Chen, Xiaohong Ren

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 780-789 doi: 10.1007/s11705-018-1733-8

Abstract: The effect of the crystal size on the catalytic cracking of -heptane was investigated and the ThieleThe reaction rate was first order with respect to the -heptane concentration.

Keywords: hierarchical ZSM-5     crystal size     catalytic cracking     Thiele modulus     effectiveness factor    

Active fuel design—A way to manage the right fuel for HCCI engines

Zhen HUANG,Zhongzhao LI,Jianyong ZHANG,Xingcai LU,Junhua FANG,Dong HAN

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 14-28 doi: 10.1007/s11708-016-0399-5

Abstract: The active fuel design concept was realized by real time control of dual-fuel (gasoline and n-heptane

Keywords: active fuel design     HCCI     gasoline     n-heptane     engine     combustion    

Effects of fuel combination and IVO timing on combustion and emissions of a dual-fuel HCCI combustion engine

Xin LIANG, Jianyong ZHANG, Zhongzhao LI, Jiabo ZHANG, Zhen HUANG, Dong HAN

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 778-789 doi: 10.1007/s11708-020-0698-8

Abstract: effects of fuel combination and intake valve opening (IVO) timing on combustion and emissions of an n-heptane

Keywords: homogeneous charge compression ignition     dual-fuel     n-heptane     gasoline     intake valve opening timing    

Separation of

Wei Hou, Qingjun Zhang, Aiwu Zeng

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1169-1184 doi: 10.1007/s11705-020-2018-6

Abstract: proposed to reduce and/or eliminate the application of the costly refrigerant for the separation of -heptane

Keywords: n-heptane/isobutanol     vapor recompression     heat integration     low and/or high-pressure options    

Development of a simplified n-heptane/methane model for high-pressure direct-injection natural

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: In the present paper, a reduced -heptane/methane model consisting of 35-step reactions was constructedAn overall good agreement with the experimentally measured ignition delay data of both -heptane and

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

Reduced kinetic mechanism of -heptane oxidation in modeling polycyclic aromatic hydrocarbon formation

ZHONG Beijing, XI Jun

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 326-332 doi: 10.1007/s11708-008-0047-9

Abstract: mechanism, which demonstrate that the model based on this reduced mechanism can properly describe -heptane

Keywords: phenanthrene     multidimensional computational     sensitivity analysis     polycyclic     mechanism    

Effect of Cu-ZSM-5 catalysts with different CuO particle size on selective catalytic oxidation of N,N-Dimethylformamide

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1557-0

Abstract:

● A series of Cu-ZSM-5 catalysts were tested for DMF selective catalytic oxidation.

Keywords: N     N-Dimethylformamide     Selective catalytic oxidation     Cu-ZSM-5     CuO particle size    

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords: Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

Effect of fly ash and slag on concrete: Properties and emission analyses

TAM, Khoa N. LE, Ana Catarina Jorge EVANGELISTA, Anthony BUTERA, Cuong N. N. TRAN, Ashraf TEARA

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 395-405 doi: 10.1007/s42524-019-0019-2

Abstract: Recycled concrete is a material with the potential to create a sustainable construction industry. However, recycled concrete presents heterogeneous properties, thereby reducing its applications for some structural purposes and enhancing its application in pavements. This paper provides an insight into a solution in the deformation control for recycled concrete by adding supplementary cementitious materials fly ash and blast furnace slag. Results of this study indicated that the 50% fly ash replacement of Portland cement increased the rupture modulus of the recycled concrete. Conversely, a mixture with over 50% cement replacement by either fly ash or slag or a combination of both exhibited detrimental effect on the compressive strength, rupture modulus, and drying shrinkage. The combined analysis of environmental impacts and mechanical properties of recycled concrete demonstrated the possibility of optimizing the selection of recycled concrete because the best scenario in this study was obtained with the concrete mixture M8 (50% of fly ash+ 100% recycled coarse aggregate).

Keywords: recycled aggregate     recycled concrete     fly ash and slag    

Endemicity of H9N2 and H5N1 avian influenza viruses in poultry in China poses a serious threat to poultry

Jiao HU,Xiufan LIU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 11-24 doi: 10.15302/J-FASE-2016092

Abstract: The H9N2 and H5N1 avian influenza viruses (AIVs) have been circulating in poultry in China and becomeinfluenza viruses, such as the well-known viruses of the highly pathogenic avian influenza (HPAI) H5N2and the 2013 novel H7N7, H7N9 and H10N8 subtypes, thereby threatening both the poultry industry and

Keywords: avian influenza virus     H9N2     H5N1     novel viruses     public health    

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: the adsorption capacity of CO2 was the largest, followed by CH4, and that of N2 was longer than that of N<>) was also higher than that of N4 of N<N2 breakthrough.

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

The performance of nitrate-reducing Fe(II) oxidation processes under variable initial Fe/N ratios: The

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1366-2

Abstract:

•Bacterially-mediated coupled N and Fe processes examined in incubation

Keywords: Denitrification     N2O emission     Fe(II) oxidation     Fe/N ratio     Fe minerals    

Title Author Date Type Operation

Effect of 2,5-dimethylfuran addition on ignition delay times of n-heptane at high temperatures

Zhenhua GAO, Erjiang HU, Zhaohua XU, Geyuan YIN, Zuohua HUANG

Journal Article

Numerical study of ignition mechanism of n-heptane direct injection compression-ignition engine

Xiaoping GUO, Zhanjie WANG,

Journal Article

Applicability of high dimensional model representation correlations for ignition delay times of n-heptane

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

Journal Article

Effect of hierarchical ZSM-5 zeolite crystal size on diffusion and catalytic performance of n-heptane

Shuman Xu, Xiaoxiao Zhang, Dangguo Cheng, Fengqiu Chen, Xiaohong Ren

Journal Article

Active fuel design—A way to manage the right fuel for HCCI engines

Zhen HUANG,Zhongzhao LI,Jianyong ZHANG,Xingcai LU,Junhua FANG,Dong HAN

Journal Article

Effects of fuel combination and IVO timing on combustion and emissions of a dual-fuel HCCI combustion engine

Xin LIANG, Jianyong ZHANG, Zhongzhao LI, Jiabo ZHANG, Zhen HUANG, Dong HAN

Journal Article

Separation of

Wei Hou, Qingjun Zhang, Aiwu Zeng

Journal Article

Development of a simplified n-heptane/methane model for high-pressure direct-injection natural

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

Journal Article

Reduced kinetic mechanism of -heptane oxidation in modeling polycyclic aromatic hydrocarbon formation

ZHONG Beijing, XI Jun

Journal Article

Effect of Cu-ZSM-5 catalysts with different CuO particle size on selective catalytic oxidation of N,N-Dimethylformamide

Journal Article

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

Journal Article

Effect of fly ash and slag on concrete: Properties and emission analyses

TAM, Khoa N. LE, Ana Catarina Jorge EVANGELISTA, Anthony BUTERA, Cuong N. N. TRAN, Ashraf TEARA

Journal Article

Endemicity of H9N2 and H5N1 avian influenza viruses in poultry in China poses a serious threat to poultry

Jiao HU,Xiufan LIU

Journal Article

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

Journal Article

The performance of nitrate-reducing Fe(II) oxidation processes under variable initial Fe/N ratios: The

Journal Article