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Response to Risk of Near-Earth Asteroid Impact

Wu Weiren, Gong Zizheng, Tang Yuhua, Zhang Pinliang

Strategic Study of Chinese Academy of Engineering 2022, Volume 24, Issue 2,   Pages 140-151 doi: 10.15302/J-SSCAE-2022.02.015

Abstract: In this paper, the hazards and risks of NEA impact on the Earth are described, and the significance ofThe current international research situation and trend regarding NEA impact risk response were analyzed, involving response procedures, monitoring and early warning, impact hazard assessment, and on-orbitThe basic progress and shortcomings of NEA impact risk response in China are summarized.risk response, establish an integrated impact risk response system, develop impact risk response and

Keywords: near-Earth asteroid     impact hazards     impact risk response     monitoring and early warning     on-orbit disposal    

Floating forest: A novel breakwater-windbreak structure against wind and wave hazards

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1111-1127 doi: 10.1007/s11709-021-0757-1

Abstract: A novel floating breakwater-windbreak structure (floating forest) has been designed for the protection of vulnerable coastal areas from extreme wind and wave loadings during storm conditions. The modular arch-shaped concrete structure is positioned perpendicularly to the direction of the prevailing wave and wind. The structure below the water surface acts as a porous breakwater with wave scattering capability. An array of tubular columns on the sloping deck of the breakwater act as an artificial forest-type windbreak. A feasibility study involving hydrodynamic and aerodynamic analyses has been performed, focusing on its capability in reducing wave heights and wind speeds in the lee side. The study shows that the proposed 1 km long floating forest is able to shelter a lee area that stretches up to 600 m, with 40%–60% wave energy reduction and 10%–80% peak wind speed reduction.

Keywords: floating structure     breakwater     windbreak     hydrodynamic     CFD    

The study on general design framework and message encoding ofweather hazards warning information broadcasting

Zhang Di,Li Zechun,Shi Peiliang,Wang Xuechen

Strategic Study of Chinese Academy of Engineering 2009, Volume 11, Issue 9,   Pages 8-12

Abstract:

This paper presents general design frame for Weather Hazards Warningand provides a digital format of Weather Warning message encoding by conducting research on weather hazardsWith the Broadcasting System of Weather Hazards Warning Information, all weather hazard information can

Keywords: weather hazards     warning information broadcasting system     message encoding     digital audio broadcasting    

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    

Coal seam roof and floor hydrogeology conditions evaluation of Pingshuo No.1 mine and measures of preventing water bursting

Zhang Zhongwen,Wu Qiang,Fu Enjun,Fan Zhenli

Strategic Study of Chinese Academy of Engineering 2011, Volume 13, Issue 11,   Pages 94-101

Abstract:

Aiming at water hazards menace of Pingshuo No.1 coal mine roof and floorAt last,it sets down a series of measures of preventing water hazards.

Keywords: three maps method     vulnerability index method     water hazards of coal mine     prevented measures of waterhazards    

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    

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

Frontiers of Structural and Civil Engineering   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    

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    

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    

Impact resistance property

Heming LIN, Dongming QI, Jian HAN, Zhiqi CAI, Minghua WU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 176-181 doi: 10.1007/s11705-009-0203-8

Abstract: The influence of KT particles on the impact resistance property of PP/KT specimens (with similar interparticlesdistance, 1.8 μm) was studied by notched izod impact tests.transition (BDT) of the PP/KT microcomposites took place at the filler content of about 4%, and the impactThe impact fracture morphology was investigated by scanning electron microscopy (SEM).deformation of interparticles ligament and hence improved the capability of iPP matrix on absorbing impact

Keywords: rigid organic filler     polypropylene     impact resistance    

Range of ecological impact of highway construction in the Longitudinal Range-Gorge Region, China

Jie LIU, Fan CHEN, Haiqing GENG, Xinxin QIU, Binbin CAI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 349-360 doi: 10.1007/s11783-010-0027-2

Abstract: Methods quantitatively determining the ecological impact of highway construction were discussed, andmethod of ecosystem health assessment was introduced to calculate the overall range of the ecological impactFor the road sections having plants or soils of interest, indexes were selected and the range of impactThe range of impact on animal populations was also discussed in terms of the minimum living areas requiredsubstantially different; highway construction had dramatic effects on roadside ecosystem health; the impact

Keywords: range of impact     quantitative analysis     highway construction     Longitudinal Range-Gorge Region    

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    

Impact of dimethyl ether on engine seal materials

WU Ning, ZHANG Wugao, HUANG Zhen

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 279-284 doi: 10.1007/s11708-008-0042-1

Abstract: Common polyvinylchloride (PVC) dissolved completely in DME, which has almost no impact on vulcanizingThe constitution of ethylene propylene terpolymer rubber (EPDM) has a major impact on its resistance

Keywords: impact     Common polyvinylchloride     different     constitution     ethylene propylene    

Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 295-301 doi: 10.1007/s11709-008-0049-z

Abstract: Impact effect of sudden fracture at steel frame connections under severe earthquake or other extremestructural fracture to the release of inner force at the cracked location, the magnitude of the response to impactNumerical evaluation of the impact effect of connection fracture is carried out.

Keywords: structural fracture     natural     fracture     progressive     high-frequency    

Assessing the impact on groundwater safety of inter-basin water transfer using a coupled modeling approach

Haifeng JIA,Shidong LIANG,Yansong ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 84-95 doi: 10.1007/s11783-014-0741-2

Abstract: Few models focus on the impact of hydraulic changes in the surface water flows on the groundwater, orspecifically, the impact of a water transfer project to fill a seasonally dry channel.In this study, a linked surface water and groundwater simulation model was developed to assess the impactWith the same initial and boundary conditions, scenario analyses were performed to quantify the impact

Keywords: surface water     groundwater     linked model     groundwater safety impact assessment     water diversion    

Title Author Date Type Operation

Response to Risk of Near-Earth Asteroid Impact

Wu Weiren, Gong Zizheng, Tang Yuhua, Zhang Pinliang

Journal Article

Floating forest: A novel breakwater-windbreak structure against wind and wave hazards

Journal Article

The study on general design framework and message encoding ofweather hazards warning information broadcasting

Zhang Di,Li Zechun,Shi Peiliang,Wang Xuechen

Journal Article

Game theoretic analysis of environmental impact assessment system in China

CHENG Hongguang, PU Xiao, GONG Li, QI Ye

Journal Article

Coal seam roof and floor hydrogeology conditions evaluation of Pingshuo No.1 mine and measures of preventing water bursting

Zhang Zhongwen,Wu Qiang,Fu Enjun,Fan Zhenli

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

Journal Article

Corporate governance impact on banking risk

Mahdi JEMMALI, Bassem SALHI

Journal Article

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

Yujie DING,Jing LIU

Journal Article

Impact resistance property

Heming LIN, Dongming QI, Jian HAN, Zhiqi CAI, Minghua WU

Journal Article

Range of ecological impact of highway construction in the Longitudinal Range-Gorge Region, China

Jie LIU, Fan CHEN, Haiqing GENG, Xinxin QIU, Binbin CAI,

Journal Article

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

Herbert LINSBAUER

Journal Article

Impact of dimethyl ether on engine seal materials

WU Ning, ZHANG Wugao, HUANG Zhen

Journal Article

Tests on impact effect of partial fracture at steel frame connections

CHEN Yiyi, BIAN Ruoning

Journal Article

Assessing the impact on groundwater safety of inter-basin water transfer using a coupled modeling approach

Haifeng JIA,Shidong LIANG,Yansong ZHANG

Journal Article