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Catalyst particle shapes and pore structure engineering for hydrodesulfurization and hydrodenitrogenation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 897-908 doi: 10.1007/s11705-021-2127-x

Abstract: Catalyst particle shapes and pore structure engineering are crucial for alleviating internal diffusionThe effects of catalyst particle shapes (sphere, cylinder, trilobe, and tetralobe) and pore structuresThe relationship between particle shape and effectiveness factor is first established, and the specificThe catalyst particle shapes primarily alter the average HDS/HDN reaction rate to adjust the HDS/HDNimproving HDS/HDN catalyst particle efficiency.

Keywords: hydrodesulfurization     hydrodenitrogenation     particle shape     pore structure    

A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 89-97 doi: 10.1007/s11708-012-0176-z

Abstract: This paper discusses two problems in in-line particle sizing when using light fluctuation method.First, by retrieving the ratio of particle concentrations at different time, the intensity of incidentmulti-sub-size zone model is proposed, with which the relationship between the distribution of turbidity and the particle

Keywords: in-line measurement     particle size distribution (PSD)     incident light intensity     particle concentration    

Independent cover meshless particle method for complex geotechnical engineering

Jianqiu WU, Yongchang CAI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 515-526 doi: 10.1007/s11709-017-0428-4

Abstract: A new Independent Cover Meshless Particle (ICMP) method is proposed for the analysis of complex geotechnical

Keywords: meshless method     particle method     independent cover     CTM     geotechnical engineering    

Microdamage study of granite under thermomechanical coupling based on the particle flow code

Frontiers of Structural and Civil Engineering   Pages 1413-1427 doi: 10.1007/s11709-023-0953-2

Abstract: an improved temperature-dependent linear parallel bond model is introduced under the framework of a particle

Keywords: thermomechanical coupling effect     granite     improved linear parallel bond model     thermal property     particle    

Study on direct measurement method of vorticity from particle images

RUAN Xiaodong, FU Xin, YANG Huayong

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 408-412 doi: 10.1007/s11708-007-0059-1

Abstract: vorticity measurement, a new direct measurement of vorticity (DMV) method extracting vorticity from particle

Keywords: conventional     vorticity measurement     particle     DMV     theory    

Response surface regression analysis on FeCrBSi particle in-flight properties by plasma spray

Runbo MA,Lihong DONG,Haidou WANG,Shuying CHEN,Zhiguo XING

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 250-257 doi: 10.1007/s11465-016-0401-2

Abstract: response surface methodology show that the interactive effects between voltage and spray distance on particleFor a given argon flow rate, particle velocity and temperature response surface are obviously bendingWith an increase in spray distance, the interactive effects between voltage and argon flow rate on particleWith an increase in voltage, the interactive effects between spray distance and argon flow rate on particle

Keywords: particle velocity     particle temperature     interactive effects     response surface    

Analysis of molten metal spreading and solidification behaviors utilizing moving particle full-implicit

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 959-973 doi: 10.1007/s11708-021-0753-0

Abstract: In the numerical analysis, the moving particle full-implicit method (MPFI), which is one of the particle

Keywords: molten metal spreading     solidification     particle method     severe accident     fuel debris     decommissioning    

Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 60-64 doi: 10.1007/s11705-013-1313-x

Abstract: However, the control of particle size distribution (PSD) and shape of Au nanoparticles is too difficult

Keywords: reduction crystallization     particle size distribution     gene transferring media    

Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 909-920 doi: 10.1007/s11705-021-2100-8

Abstract: was adjusted to simulate the mesoscale structure of the flue gas desulfurization process in a powder-particle

Keywords: adjusted mesoscale drag model     particle image velocimetry     water vaporization     desulfurization reaction    

Effect of particle size on coal char----NO reaction

Xiumin JIANG, Xiangyong HUANG, Jiaxun LIU, Chaoqun ZHANG

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 221-228 doi: 10.1007/s11708-011-0146-x

Abstract: Particle size had a noticeable effect on the magnitude of changes, which was observed on the surfacesurface increased its -NO, pyridine-N-oxide, and -NO functional group contents with a decrease in particle

Keywords: NO reduction     chemisorption     particle size     X-ray photoelectron spectroscopy     density functional theory (    

Crack detection of the cantilever beam using new triple hybrid algorithms based on Particle Swarm Optimization

Amin GHANNADIASL; Saeedeh GHAEMIFARD

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1127-1140 doi: 10.1007/s11709-022-0838-9

Abstract: deals with the inverse analysis of the crack detection problems using triple hybrid algorithms based on ParticleSwarm Optimization (PSO); these hybrids are Particle Swarm Optimization-Genetic Algorithm-Firefly Algorithm(PSO-GA-FA), Particle Swarm Optimization-Grey Wolf Optimization-Firefly Algorithm (PSO-GWO-FA), andParticle Swarm Optimization-Genetic Algorithm-Grey Wolf Optimization (PSO-GA-GWO).

Keywords: crack     cantilever beam     triple hybrid algorithms     Particle Swarm Optimization    

Flow behavior of non-spherical particle flowing in hopper

He TAO,Wenqi ZHONG,Baosheng JIN

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 315-321 doi: 10.1007/s11708-014-0331-9

Abstract: The contact detection algorithm and equations for ellipsoidal particle motion in hopper were developedThe velocity of spherical particle is larger than that of ellipsoidal.

Keywords: discrete element method     ellipsoidal particle     flow behavior     hopper    

Experiment study of a quartz tube falling particle receiver

Tianjian WANG, Fengwu BAI, Shunzhou CHU, Xiliang ZHANG, Zhifeng WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 472-479 doi: 10.1007/s11708-017-0502-6

Abstract: This paper presents an experimental evaluation of a specially designed falling particle receiver.During the experiments, the maximum particle temperature rise is 212°C, with an efficiency of 61.2%,which shows a good thermal performance with a falling distance of 0.2 m in a small scale particle receiverThe average outlet particle temperature is affected by direct normal irradiance (DNI) and other factorsThe heat capacity of the silicon carbide gets larger with the rise of particle temperature, because as

Keywords: solar thermal electricity     central receiver     particle receiver     experimental research    

Morphologies of diblock copolymer confined in a slit with patterned surfaces studied by dissipative particle

FENG Jian, HUANG Yongmin, LIU Honglai, HU Ying

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 132-139 doi: 10.1007/s11705-007-0025-5

Abstract: film of diblock copolymer confined between patterned and neutral surfaces were studied by dissipative particle

Keywords: weight     nano-fabrication     morphology     matching     dissipative particle    

Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 386-397 doi: 10.1007/s11708-011-0156-8

Abstract: ratios (from 10% to 20%), the present study has proposed to improve the flow passage of an inlet particleAn adjacent objective of the study is to lower pressure losses of the inlet particle separator (IPS).No particle has been included in the gas flow for a -epsilon turbulence model.

Keywords: streamlines     pressure losses     flow passage improvement     inlet particle separator (IPS)    

Title Author Date Type Operation

Catalyst particle shapes and pore structure engineering for hydrodesulfurization and hydrodenitrogenation

Journal Article

A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Journal Article

Independent cover meshless particle method for complex geotechnical engineering

Jianqiu WU, Yongchang CAI

Journal Article

Microdamage study of granite under thermomechanical coupling based on the particle flow code

Journal Article

Study on direct measurement method of vorticity from particle images

RUAN Xiaodong, FU Xin, YANG Huayong

Journal Article

Response surface regression analysis on FeCrBSi particle in-flight properties by plasma spray

Runbo MA,Lihong DONG,Haidou WANG,Shuying CHEN,Zhiguo XING

Journal Article

Analysis of molten metal spreading and solidification behaviors utilizing moving particle full-implicit

Journal Article

Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Journal Article

Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Journal Article

Effect of particle size on coal char----NO reaction

Xiumin JIANG, Xiangyong HUANG, Jiaxun LIU, Chaoqun ZHANG

Journal Article

Crack detection of the cantilever beam using new triple hybrid algorithms based on Particle Swarm Optimization

Amin GHANNADIASL; Saeedeh GHAEMIFARD

Journal Article

Flow behavior of non-spherical particle flowing in hopper

He TAO,Wenqi ZHONG,Baosheng JIN

Journal Article

Experiment study of a quartz tube falling particle receiver

Tianjian WANG, Fengwu BAI, Shunzhou CHU, Xiliang ZHANG, Zhifeng WANG

Journal Article

Morphologies of diblock copolymer confined in a slit with patterned surfaces studied by dissipative particle

FENG Jian, HUANG Yongmin, LIU Honglai, HU Ying

Journal Article

Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Journal Article