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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: station passageway are described, in which wood crib fires are used as the evolvement process of subway fireTemperature relative value is provided to analyze the law of smoke temperature along the station passagewayin subway fire and its affecting factors.of 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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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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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, smokespeeds and fire intensities.The 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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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 smoketransport research and fire detection technology development in big space buildings.

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

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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 maysmoke were measured by SMPS.result of research showed that Logarithm Normal Distribution (LND) could represent the distribution of firesmoke particle size.The results may be benefit for the foundational research on fire smoke detection.

Keywords： smoke     particle     size     distribution function    

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Simulation of Effect of Forced Ventilated and Smoke Controlled System in Subway Fire Disaster

Cai Bo,Li Huiliang,Liao Guangxuan

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 80-83

Abstract:

Subway fire disaster is more hazardous than overground fire.Daegu underground railway fire disaster in Korea leads to a disastrous result.By means of fire simulation, recurrence of fire process, fire phenomenon and its reason could be studiedBased on FDS, the distribution of temperature and smoke with or without forced ventilated and smoke controlledsystem in Daegu subway fire are compared, and the effect on subway fire disaster control is also discussed

Keywords： subway fire disaster     FDS simulation     forced ventilated smoke controlled system    

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Study of Scattering Characteristic of Fire Smoke Based on Mie Theory

Shu Xueming,Fang Jun,Shao Quan,Yuan Hongyong

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 45-49

Abstract:

The scattering characteristic of fire smoke is a major aspect in fire smoke detection foundamentalresults, a set of experiment was designed to measure the light intensity in three directions of different firesmoke.ratio of scattering intensity is an important parameter for certain material, and different kinds of smoke

Keywords： fire smoke     Mie scattering     algorithm     relative ratio of scattering intensity    

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The Base Smoke Density of Smoke Fire Detector Created by the Suspended Particulate PM10 in

Xie Qiyuan,Yuan Hongyong,Jiang Yalong

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 84-87

Abstract:

The base smoke density of the smoke fire detectors created by the air-pollutant inducing suspendedIt has also been calculated according to the ionization fire detectors.In this case, it is impossible that the sensitivity and false alarm ratio of the smoke fire detectorsSo, the standards to define the sensitivity of the smoke fire detector could be the same in differentway to measure smoke with high distinguishability, such as the particulate counter.

Keywords： suspended particulate     fire detection     base affection    

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The Zone and Numerical Simulation on the Tunnel Fire

Li Yuanzhou,Huo Ran,Yi Liang,Shi Congling,Zhou Yunji

Strategic Study of CAE 2004, Volume 6, Issue 2,   Pages 67-72

Abstract: But great loss due to the tunnel fires happened in recent years shows that the tunnel fire safety isRealizing the characteristics of tunnel fires is very important for the tunnel fire protection.In this paper, given a tunnel, the smoke development in different situations was simulated using zoneThe smoke temperature distribution and smoke layer interface height were discussed.The harm of fire and smoke to people and tunnel lining at different position was also discussed.

Keywords： tunnel fire     zone model     field model     smoke development    

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Effect analysis of fire location on fire growth in large space

Shi Long,Zhang Ruifang,Xie Qiyuan,Fu Lihua

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 37-42

Abstract: fire design, which includes the determination of fire location and heat release rate (HRR).Take large-scale exhibition hall for example, utilizing fire radiation model and smoke radiation modelThereinto, fire grow fastest when fire develops in the location of center symmetry.Moreover, combining fire radiation and smoke radiation, HRR peak values consumedly increases and almostand smoke radiation, is the same as the situation of just considering fire radiation.

Keywords： fire growth     fire design in large space     fire location     fire radiation model     smoke radiation model    

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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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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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Effect of Position of Air Supply Opening on the Efficiency of Smoke Extraction in an Underground Long

Hu Longhua,Huo Ran,Li Yuanzhou,Yi Liang,Wang Haobo

Strategic Study of CAE 2005, Volume 7, Issue 5,   Pages 90-92

Abstract:

A set of full scale contrast tests, with different relative positions of air supply opening and smokelong underground corridor to study the effect of position of air supply opening on the efficiency of smokeResults showed that the rule for designing the relative positions of air supply openings and smoke exhaustopenings or operating them in a long channel should be “Smoke exhaust near the fire with air supplyfar away from the fire”.

Keywords： air supply position     smoke extraction efficiency     underground long channel     full scale test     fire    

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Numerical Simulation of the Interaction Between Smoke and Water Mist in Fire

Ye Dong,Jiang Yong

Strategic Study of CAE 2007, Volume 9, Issue 2,   Pages 84-89

Abstract: style="text-align: justify;">This paper presents a numerical simulation of the interaction between smokeand water mist in a fire using CFD software package Fluent.Motion of droplets of different size in the flow field is studied and their fire extinguishing abilityScattering of thermal radiation from fire by water mist and the effects of breakup and coalescence of

Keywords： water mist     Fluent     thermal radiation     scattering     coalescence     breakup    

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Experimental Study on Relationship Between Mass Loss Rate and Smoke Transportation to the Distant Location

Feng Wenxing,Yang Lizhong,Fang Tingyong,Huang Rui,Fan Weicheng

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 81-85

Abstract: Room-Corridor structure, the mass loss rate of which, and the relationship of the mass loss rate with the smokeIt describes the characteristics of mass loss rate of various materials and indicates that the smoke

Keywords： fire     mass loss rate     distant location     transportation velocity     smoke toxicity    

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Title Author Date Type Operation

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

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

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

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

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

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

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

Shu Xueming,Zheng Kui,Yuan Hongyong,Yao Bin

Journal Article

Simulation of Effect of Forced Ventilated and Smoke Controlled System in Subway Fire Disaster

Cai Bo,Li Huiliang,Liao Guangxuan

Journal Article

Study of Scattering Characteristic of Fire Smoke Based on Mie Theory

Shu Xueming,Fang Jun,Shao Quan,Yuan Hongyong

Journal Article

The Base Smoke Density of Smoke Fire Detector Created by the Suspended Particulate PM10 in

Xie Qiyuan,Yuan Hongyong,Jiang Yalong

Journal Article

The Zone and Numerical Simulation on the Tunnel Fire

Li Yuanzhou,Huo Ran,Yi Liang,Shi Congling,Zhou Yunji

Journal Article

Effect analysis of fire location on fire growth in large space

Shi Long,Zhang Ruifang,Xie Qiyuan,Fu Lihua

Journal Article

Progress in study of Hazard Analysis of Fire Smoke

Huang Rui,Yang Lizhong,Fang Weifeng,Fan Weicheng

Journal Article

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

Effect of Position of Air Supply Opening on the Efficiency of Smoke Extraction in an Underground Long

Hu Longhua,Huo Ran,Li Yuanzhou,Yi Liang,Wang Haobo

Journal Article

Numerical Simulation of the Interaction Between Smoke and Water Mist in Fire

Ye Dong,Jiang Yong

Journal Article

Experimental Study on Relationship Between Mass Loss Rate and Smoke Transportation to the Distant Location

Feng Wenxing,Yang Lizhong,Fang Tingyong,Huang Rui,Fan Weicheng

Journal Article