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Cell-Zone Method: An Engineering Approach to Predict Smoke Movement in Large Scale Building Fire

Hu Longhua,Huo Ran,Liy Uanzhou,Wang Haobo

Strategic Study of CAE 2003, Volume 5, Issue 8,   Pages 59-63

Abstract:

In large scale building fire, it is improper to predict smoke descending using traditional simpletwo-layer zone model, which divides the total space of the building into upper hot smoke layer and lowerComparison is carried out between these two methods in fire smoke development simulation in typical large

Keywords： large scale building     smoke movement     cell-zone method     zone-model    

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Study on Fire Smoke Properties of Subway Station Passageway by Simulation Experiments

Zhu Wei,Lu Ping,Liao Guangxuan,Li Peide,Hong Yixiu

Strategic Study of CAE 2005, Volume 7, Issue 2,   Pages 91-96

Abstract: Temperature relative value is provided to analyze the law of smoke temperature along the station passagewayBased on images collected, the conditions needful for coming into being smoke layer and the applicabilityof zone model are discussed in the investigation of smoke properties in subway fire.Otherwise, it is also indicated from the results of smoke component measurements that CO concentration

Keywords： subway fire     scale model     smoke temperature     smoke configuration     CO concentration    

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The Stable Movement of Salty Water Soil and Pattern Researchof Removing the Salt

Zhou Heping,Peng Lixin,Xu Xiaobo

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 120-126

Abstract:

Through the research of the water-salt movement under different groundthe symptom of redistribution of water and salt in certain area:when the evolvement of water and salt movementoccurs in vertical and horizontal direction, there is also the important symptom of sideward movementabroad, and discusses the new mode of salt drainage under both the condition of water-salt directional movementand the condition of salt movement to the earth's surface.

Keywords： water-salt directional movement     new mode of salt dranage     research and discussion    

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Study on Particle Size and Its Distribution Function of Standard Fire Smoke

Shu Xueming,Zheng Kui,Yuan Hongyong,Yao Bin

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 51-55

Abstract:

Smoke is the important parameter of fire detection, and smoke particle size and its distribution mayaffect the sensitivity of smoke detectors directly.Particle Sizer (SMPS) were described and the particle size and its distribution of four standard fire smokeThe particle size distribution function of smoke were studied by mathematic fitting methods, and theThe results may be benefit for the foundational research on fire smoke detection.

Keywords： smoke     particle     size     distribution function    

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National Fire Protection Association, Quincy, MA, 1995Study on smoke filling combined with sprinklercooling and natural smoke exhaust

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

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

Abstract:

A mathematical model was developed for predicting smoke filling combinedwith sprinkler cooling and natural smoke exhaust.Experiments were carried out to validate the model, with experimental results, smoke filling characteristicsResults 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 on the control of black smoke pollution from the ceramic kilns based on the mechanism

CUI Xiao, LI Caiting, WANG Fei, LI Shanhong, XIAO Chenchang, PENG Yu, ZHAI Yunbo

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 109-115 doi: 10.1007/s11783-008-0021-0

Abstract: Aiming at the characteristics of carbon black, a new method of controlling the black smoke from the industrial
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Experimental study on average movement characteristics of bed-load particles

Limo TANG, Xingkui WANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 435-439 doi: 10.1007/s11709-009-0050-1

Abstract: The average movement characteristics of the particles are analyzed by statistics.

Keywords： different     longitudinal     three-dimensional     particle     Bagnold    

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Study of Fire Smoke Flow Characteristics of Horizontal Tunnel Using Longitudinal Ventilation

Lu Ping,Cong Beihua,Liao Guangxuan,Fan Weicheng,Li Peide

Strategic Study of CAE 2004, Volume 6, Issue 10,   Pages 59-64

Abstract:

The management of subway tunnel fire smoke is an important component in city public safety.In this paper, on the basis of theoretical analysis of the main factors affecting fire smoke flow inestablished to express the relationships between the critical environments, critical velocities, air speeds, smokeThe results can provide instructions for tunnel smoke managements and emergency handling.

Keywords： subway tunnel     fire smoke     buoyant effect     thermal resistance effect     critical velocity    

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The Influence of Flow Velocity on Response Sensitivity of Smoke Detectors

Xie Qiyuan,Su Guofeng,Yuan Hongyong,Zhang Yongming

Strategic Study of CAE 2005, Volume 7, Issue 11,   Pages 76-80

Abstract:

The objective of the work was to evaluate the performance of photoelectric and ionic smoke detectorsThe experiment results indicate that the sensitivity of the two kinds of smoke detectors decreases sharplyHowever, for the smoldering cottons at the entrance of FE/DE, the sensitivity of the ionic smoke detectorAccordingly, the ionization smoke detector is more suitable for those locations with high flow velocity

Keywords： flow velocity     smoke detectors     smoke particle     size distribution of particles    

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Solution of Integral Equations and Experimental Analysis of Fire Smoke Plumes in Stably Linearly Thermally

Fang Jun,Shu Xueming,Yuan Hongyong,Zheng Xin

Strategic Study of CAE 2004, Volume 6, Issue 1,   Pages 37-43

Abstract: Measurements on the different fire smoke plumes in the medium-scale and big-scale experimental roomsavailable literatures, thus this work validates the integral model and provides a good foundation for the smoke

Keywords： stably linearly thermally stratified environment     fire smoke plume     solution of integral equations     experimental    

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Progress in study of Hazard Analysis of Fire Smoke

Huang Rui,Yang Lizhong,Fang Weifeng,Fan Weicheng

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 80-85

Abstract:

In building fires, smoke is one of the primary factors which result in death.This paper summarizes the researches on experiment and theory about the smoke toxicity, and introducesthe method for evaluation of smoke toxicity.Some suggestions on smoke toxicity research are also presented in this paper.

Keywords： building fires     smoke     toxicity     risk analysis    

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Multi-scale investigation of active failure for various modes of wall movement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 961-979 doi: 10.1007/s11709-021-0738-4

Abstract: Retained backfill response to wall movement depends on factors that range from boundary conditions toHence, various modes of wall movement (translation and rotation) toward the active state are modeleddistribution and deformation mechanisms are discussed with reference to the associated modes of wall movement

Keywords： discrete-element modelling     granular materials     retaining walls     particle shape     arching    

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Study on variational principles of smoke particle shape and dimension with water mist appling

Fang Yudong

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 93-100

Abstract: The experimental results show that water mist washes out smoke mainly by dynamics effect，cloud physicsThis paper provides scientific references for water mist technology using in smoke scrubbing of computer

Keywords： water mist     smoke particle     surface density     average diameter    

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Sub-layer Movement in the Large-scale Stratum

Xu Shaoxie

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 14-22

Abstract:

It was reported that a new find on sub-layer movement in the large-scale stratum had been observedEarthquakes with different division magnitude can represent movement of sub-layer with different thicknessA direct evidence of movement, synchronal movement in vertical direction, in the as large-scale stratumEvents with strong tremble of sub-layer movement have been analyzed, which were recorded by stations

Keywords： sub-layer movement in the large-scale stratum     events with strong tremble     earthquake prediction    

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GIS-based numerical simulation of Amamioshima debris flow in Japan

Jian WU, Guangqi CHEN, Lu ZHENG, Yingbin ZHANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 206-214 doi: 10.1007/s11709-013-0198-6

Abstract: It is important to study the movement of debris flow.The simulation reproduces the movement, erosion and deposition.

Keywords： debris flow     numerical simulation     GIS     movement     erosion     deposition    

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Title Author Date Type Operation

Cell-Zone Method: An Engineering Approach to Predict Smoke Movement in Large Scale Building Fire

Hu Longhua,Huo Ran,Liy Uanzhou,Wang Haobo

Journal Article

Study on Fire Smoke Properties of Subway Station Passageway by Simulation Experiments

Zhu Wei,Lu Ping,Liao Guangxuan,Li Peide,Hong Yixiu

Journal Article

The Stable Movement of Salty Water Soil and Pattern Researchof Removing the Salt

Zhou Heping,Peng Lixin,Xu Xiaobo

Journal Article

Study on Particle Size and Its Distribution Function of Standard Fire Smoke

Shu Xueming,Zheng Kui,Yuan Hongyong,Yao Bin

Journal Article

National Fire Protection Association, Quincy, MA, 1995Study on smoke filling combined with sprinklercooling and natural smoke exhaust

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

Journal Article

Experimental study on the control of black smoke pollution from the ceramic kilns based on the mechanism

CUI Xiao, LI Caiting, WANG Fei, LI Shanhong, XIAO Chenchang, PENG Yu, ZHAI Yunbo

Journal Article

Experimental study on average movement characteristics of bed-load particles

Limo TANG, Xingkui WANG,

Journal Article

Study of Fire Smoke Flow Characteristics of Horizontal Tunnel Using Longitudinal Ventilation

Lu Ping,Cong Beihua,Liao Guangxuan,Fan Weicheng,Li Peide

Journal Article

The Influence of Flow Velocity on Response Sensitivity of Smoke Detectors

Xie Qiyuan,Su Guofeng,Yuan Hongyong,Zhang Yongming

Journal Article

Solution of Integral Equations and Experimental Analysis of Fire Smoke Plumes in Stably Linearly Thermally

Fang Jun,Shu Xueming,Yuan Hongyong,Zheng Xin

Journal Article

Progress in study of Hazard Analysis of Fire Smoke

Huang Rui,Yang Lizhong,Fang Weifeng,Fan Weicheng

Journal Article

Multi-scale investigation of active failure for various modes of wall movement

Journal Article

Study on variational principles of smoke particle shape and dimension with water mist appling

Fang Yudong

Journal Article

Sub-layer Movement in the Large-scale Stratum

Xu Shaoxie

Journal Article

GIS-based numerical simulation of Amamioshima debris flow in Japan

Jian WU, Guangqi CHEN, Lu ZHENG, Yingbin ZHANG

Journal Article