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Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 1,   Pages 53-59 doi: 10.15302/J-FASE-2015049

Abstract: low-energy precision irrigation, the droplet distributions for two new prototype sprinklers, outside signal sprinkler(OS) and fluidic sprinkler (FS), were compared with impact sprinkler (IS).and median) decreased and the mean velocity increased in operating pressure for the three types of sprinkler

Keywords： outside signal sprinkler     fluidic sprinkler     impact sprinkler     sprinkler irrigation     droplet size     droplet    

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Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 165-171 doi: 10.15302/J-FASE-2017145

Abstract: parameters of droplet strike damage and avoid flower injury due to the unsuitable practices during sprinklerirrigation, an indoor experiment of irrigation droplet impact on cyclamen was conducted.Equations of application intensity, specific power with sprinkler irrigation time and flower injury ratiowere regressed against parameters which cause impact damages.These results provide a reference for determining the suitable values of sprinkler properties in operation

Keywords： application intensity     damage     floriculture     flowers     specific power     sprinkler irrigation    

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The Study of Sprinkler Performance in Fire

Zhang Cunfeng,Huo Ran,Li Yuanzhou

Strategic Study of CAE 2005, Volume 7, Issue 11,   Pages 55-59

Abstract:

This paper studied on the activation time of sprinkler and the critical heat release rate to activatethe sprinkler when a fire happened.By calculation, this paper gave the curve on the activation time and the factors which would impact theIn order to control fire effectively, the fast response sprinkler must be used when the sprinkler was

Keywords： sprinkler head     critical heat release rate     response time    

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National Fire Protection Association, Quincy, MA, 1995Study on smoke filling combined with sprinkler

Li Sicheng,Chen Ying,Hu Longhua,Huo Ran and Yang Dong

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 90-95

Abstract: text-align: justify;">A mathematical model was developed for predicting smoke filling combined with sprinklerResults showed that smoke filling velocity combined with sprinkler cooling and natural smoke exhausthas a very small difference; the final height of smoke reduces with sprinkler cooling; for the range

Keywords： fire protection engineering     sprinkler spray     sprinkler cooling     natural smoke exhaust     smoke filling    

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Experimental Study of Single-pane Fire-resistant Glass Performance with Sprinkler Protection

Shu Xueming,Shao Quan,Su Guofeng,Chen Tao,Yang Rui,Shen Shifei,Yuan Hongyong

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 64-68

Abstract: This article describes the experimental study of single-pane fire-resistant glass performance with sprinklertemperature and thermal radiation flux on the protection side of single-pane fire-resistant glass with sprinklerprotection are quite lower than those without sprinkler condition.The fast responding sprinkler can automatically spray well-proportioned water and protect certain area

Keywords： fire     fire-resistant glass     sprinkler protection     temperature     thermal radiation flux    

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Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 448-453 doi: 10.1007/s11783-007-0071-8

Abstract: Environmental impact assessment (EIA) system has been established in China since 1973.

Keywords： public     impact assessment     Environmental impact     general    

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The clinical impact of tricuspid regurgitation in patients with a biatrial orthotopic heart transplant

Frontiers of Medicine 2023, Volume 17, Issue 3,   Pages 527-533 doi: 10.1007/s11684-022-0967-5

Abstract: In this study, we aim to elucidate the clinical impact and long-term course of tricuspid regurgitation

Keywords： orthotopic heart transplant     tricuspid regurgitation     clinical impact     biatrial heart transplantation    

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Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 308-315 doi: 10.1007/s11465-010-0020-2

Abstract: This paper investigates the impact spreading of a droplet on a solid substrate using numerical simulationhowever, the pressures on the substrate are quite different and air entrainment may be found as the impactThe impact speed impacts on the spreading factors in high speed droplet spreading.The spreading factor obviously increases with increasing impact speed; however, splashing will appear

Keywords： droplet     impact spreading     numerical simulation    

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Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 615-623 doi: 10.1007/s11709-022-0828-y

Abstract: In addition to the fracture energy and impact strength, two important indicators of ballistic performance

Keywords： projectile impact     depth of penetration     fracture energy     crater diameter     UHPFRC    

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Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 90-97 doi: 10.1007/s11709-010-0008-3

Abstract: to “dynamic loading” in the form of seismic action on the dam-reservoir-system and alternatively by “impact

Keywords： dam-reservoir     earthquake     impact     cracking     fracture mechanics    

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Buffer capacity of granular matter to impact of spherical projectile based on discrete element method

Ying YAN, Pengfei LI, Shunying JI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 50-54 doi: 10.1007/s11709-013-0186-x

Abstract: Granular matter possesses impact-absorbing property due to its energy dissipation character.To investigate the impact-absorbing capacity of granular matter, the discrete element method (DEM) isadopted to simulate the impact of a spherical projectile on to a granular bed.The penetration depth of the projectile and the first impact peak are investigated with different bedthicknesses and impact velocities.

Keywords： granular matter     impact peak     buffer capacity     discrete element method     critical thickness    

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Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 29-36 doi: 10.1007/s11708-015-0388-0

Abstract: A composite liquid metal marble made of metal droplet coated with water film was proposed and its impact

Keywords： liquid metal marble     metallic droplet     composite fluid     impact dynamics     multiphase fluid mechanics    

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Dynamic characteristics of a shrouded blade with impact and friction

Xumin GUO, Jin ZENG, Hui MA, Chenguang ZHAO, Lin QU, Bangchun WEN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 209-226 doi: 10.1007/s11465-019-0566-6

Abstract: A simplified computational model of a twisted shrouded blade with impact and friction is established.Impact force is simulated using a linear spring model, and friction force is generated by a tangentialResults show that resonant peaks become inconspicuous and impact plays a dominant role when initial gaps

Keywords： twisted shrouded blade     dynamic analysis     impact     friction     separate–stick–slip motion    

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RESEARCH PROGRESS ON THE IMPACT OF NITROGEN DEPOSITION ON GLOBAL GRASSLANDS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 425-444 doi: 10.15302/J-FASE-2022457

Abstract:

● Grasslands in many regions of the world have been impacted by atmospheric nitrogen deposition.

Keywords： Acidification     biomass production     critical load     eutrophication     species composition     species richness    

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Corporate governance impact on banking risk

Mahdi JEMMALI, Bassem SALHI

Frontiers of Engineering Management 2020, Volume 7, Issue 2,   Pages 182-195 doi: 10.1007/s42524-019-0034-3

Abstract: a single equation that examines variables relative to governance and credit risk to determine their impact

Keywords： bank governance     banking risk     process decision     modeling     architecture    

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Title Author Date Type Operation

Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Journal Article

Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Journal Article

The Study of Sprinkler Performance in Fire

Zhang Cunfeng,Huo Ran,Li Yuanzhou

Journal Article

National Fire Protection Association, Quincy, MA, 1995Study on smoke filling combined with sprinkler

Li Sicheng,Chen Ying,Hu Longhua,Huo Ran and Yang Dong

Journal Article

Experimental Study of Single-pane Fire-resistant Glass Performance with Sprinkler Protection

Shu Xueming,Shao Quan,Su Guofeng,Chen Tao,Yang Rui,Shen Shifei,Yuan Hongyong

Journal Article

Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Journal Article

The clinical impact of tricuspid regurgitation in patients with a biatrial orthotopic heart transplant

Journal Article

Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Journal Article

Mechanical properties and impact resistance of concrete composites with hybrid steel fibers

Fatih ÖZALP; Halit Dilşad YILMAZ; Burcu AKCAY

Journal Article

Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Journal Article

Buffer capacity of granular matter to impact of spherical projectile based on discrete element method

Ying YAN, Pengfei LI, Shunying JI

Journal Article

Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Journal Article

Dynamic characteristics of a shrouded blade with impact and friction

Xumin GUO, Jin ZENG, Hui MA, Chenguang ZHAO, Lin QU, Bangchun WEN

Journal Article

RESEARCH PROGRESS ON THE IMPACT OF NITROGEN DEPOSITION ON GLOBAL GRASSLANDS

Journal Article

Corporate governance impact on banking risk

Mahdi JEMMALI, Bassem SALHI

Journal Article