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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: Take large-scale exhibition hall for example, utilizing fire radiation model and smoke radiation modelResearch reveals: only considering fire radiation, when fire develops in a location of bilateral symmetryMoreover, combining fire radiation and smoke radiation, HRR peak values consumedly increases and almostBut other rules, which contain fire growth and the correlative time, when considering fire radiationand 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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Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Frontiers in Energy 2021, Volume 15, Issue 3, Pages 687-699 doi: 10.1007/s11708-021-0773-9

Abstract: In this paper, based on the mixture flow model, an optimized six-flux model is first established andParameters influencing photocatalyst distribution and radiation distribution at the reactor outlet, vizIt is found that, at the outlet of the reactor, the optimized six-flux model has better performances

Keywords： photocatalytic hydrogen photoreactor nume- rical simulation solar energy flow model radiation model

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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: justify;">This paper presents a numerical simulation of the interaction between smoke and water mist in a fireMotion 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 ofModeling results demonstrate that radiation is the main heat transfer process;bigger droplets are easierWater mist attenuates thermal radiation by absorbing and scattering, and it may enhance combustion reaction

Keywords： water mist Fluent thermal radiation scattering coalescence breakup

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Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1, Pages 78-98 doi: 10.1007/s11709-022-0936-8

Abstract: this paper, the thermomechanical phenomena experienced by a ceiling jet and I-beam in a structural fireproposes a new computational fluid dynamics–finite element method numerical simulation that combines wind, fireFirst, to analyze the velocity and temperature distributions, the results of the numerical model andconditions was found to be significant, thus explaining the stress distribution of steel beams in the fire

Keywords： CFD–FEM coupling steel beam wind ceiling jet numerical heat transfer

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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: architecture exterior materials and fire-resistant compartmentation in modem buildings.However, single-pane fire-resistant glass can only prevent the spread of fire and smoke, while high temperatureand thermal radiation flux on its rear surface may cause a new fire on the protected side.It is showed that the temperature and thermal radiation flux on the protection side of single-pane fire-resistantand engineering application of fire-resistant glass.

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

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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.this paper, given a tunnel, the smoke development in different situations was simulated using zone model(CFAST) with the multi-cell concept and field model (FDS).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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The Networks Analysis of Fire Spread among the Rooms

You Yuhang,Li Yuanzhou,Huo Ran

Strategic Study of CAE 2005, Volume 7, Issue 7, Pages 86-89

Abstract:

This paper introduces the Networks model to analyze the process of fire spread among the rooms.It finds out the dangerous factor through calculating the probability and time of defferent fire spreadThe process of fire spread can be controled effecting by strengthening the safety precautions.Results indicate the Networks model can predict the possibility and hazard of fire spread among the rooms

Keywords： fire spread among the rooms the Networks model path

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A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propanefires in open space based on weighted multi-point source model

Jie JI, Junrui DUAN, Huaxian WAN

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 1017-1026 doi: 10.1007/s11708-020-0716-x

Abstract: The interaction of multiple fires may lead to a higher flame height and more intense radiation flux thana single fire, which increases the possibility of flame spread and risks to the surroundings.For non-merging flames ( / >0.368), the flame height is almost identical to a single fire; for mergingMoreover, the multi-point source model was further improved, and radiation fraction of propane was calculatedpropane fire.

Keywords： flame interaction air entrainment flame height multi-point source model thermal radiation

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Nongray radiation from gas and soot mixtures in planar plates based on statistical narrow-band spectralmodel

Huaqiang CHU, Qiang CHENG, Huaichun ZHOU, Fengshan LIU

Frontiers in Energy 2011, Volume 5, Issue 2, Pages 149-158 doi: 10.1007/s11708-010-0124-8

Abstract: Based on the statistical narrow-band (SNB) spectral model with an exponential-tailed inverse intensitydistribution and the ray-tracing method, a comprehensive investigation of the influence of soot on nongray radiationIn combustion applications, radiation transfer is significantly enhanced by soot due to its spectrallyThe effect of soot volume fraction up to 1×10 on the source term, the narrow-band radiation intensities

Keywords： soot combustion SNB model nongray radiation

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Forecast of fire accidents based on Grey-Markov model

Mao Zhanli,ZhuYi,Yang Bozhong,ZhuLei

Strategic Study of CAE 2010, Volume 12, Issue 1, Pages 98-101

Abstract:

The occurrence of fire accidents is influenced by many complex factors, and it has the characteristics of random and fluctuation, so grey model and Markov model are combinedtogether to establish a new Grey-Markov model in this paper .The paper adopts grey model and Markovmodel to show grey feature and random separately, at last the model is used to predict fire accidentsgrey model, the model can satisfy the demand in forecast precision, and it can be used for fire accidents

Keywords： Grey model Markov model fire accidents forecast

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Smart model for accurate estimation of solar radiation

Lazhar ACHOUR, Malek BOUHARKAT, Ouarda ASSAS, Omar BEHAR

Frontiers in Energy 2020, Volume 14, Issue 2, Pages 383-399 doi: 10.1007/s11708-017-0505-3

Abstract: Prediction of solar radiation has drawn increasing attention in the recent years.This is because of the lack of solar radiation measurement stations.In the present work, 14 solar radiation models have been used to assess monthly global solar radiationSince it has been observed that each model is adequate for some months of the year, one model cannotThe results indicate that the new hybrid model is capable of predicting the monthly global solar radiation

Keywords： global solar radiation statistical indicator hybrid model spatial database correlation coefficients

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State of the Art of Compartment Fire Modeling

Zheng Xin,Yuan Hongyong

Strategic Study of CAE 2004, Volume 6, Issue 3, Pages 68-74

Abstract: The relevant underlying physical assumptions are presented first and the conventional model performanceThe final part of the review deals with current trends and perspective of mathematic fire models and

Keywords： compartment field model zone model network model FZN (field zone and network) model empirical model

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Analysis of GM（1，1）Model and Its Application in Fire Risk Prediction

Chen Zijin,Wang Fuliang,Lu Shouxiang

Strategic Study of CAE 2007, Volume 9, Issue 5, Pages 91-94

Abstract:

Theoretical analysis of grey prediction model GM(1, 1) is present inMonotonicity of predicted value and its variation tendency predicted by GM(1, 1)model is proved. Example applications of the criterion in fire risk grey prediction are discussed.

Keywords： fire forecast GM(1 1) rate of the fire injured

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Correlations for estimating solar radiation using sunshine hours and temperature measurement in Osogbo

O. S. OHUNAKIN, M. S. ADARAMOLA, O. M. OYEWOLA, R. O. FAGBENLE

Frontiers in Energy 2013, Volume 7, Issue 2, Pages 214-222 doi: 10.1007/s11708-013-0241-2

Abstract: In this study, the global solar radiation on horizontal surface in Osogbo, Osun state, Nigeria was analyzedCorrelations using linear and quadratic expressions were developed to relate the global solar radiationrelative sunshine hours and temperature measurements for evaluating the monthly average daily global solar radiationHowever, the Hargreaves and Samani related based quadratic model gave the best among the three developedquadratic expressions and is therefore suggested for estimating the monthly global radiation in this

Keywords： global solar radiation Hargreaves model sunshine hour ambient temperatures Osogbo

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Entropy production analysis of swirling diffusion combustion processes

Deodat MAKHANLALL, Linhua LIU,

Frontiers in Energy 2010, Volume 4, Issue 3, Pages 326-332 doi: 10.1007/s11708-009-0058-1

Abstract: A critical factor in the design of combustion systems for optimum fuel economy and emission performance lies in adequately predicting thermodynamic irreversibilities associated with transport and chemical processes. The objective of this study is to map these irreversibilities in terms of entropy production for methane combustion. The numerical solution of the combustion process is conducted with the help of a Fluent 6.1.22 computer code, and the volumetric entropy production rate due to chemical reaction, viscous dissipation, and mass and heat transfer are calculated as post-processed quantities with the computed data of the reaction rates, fluid velocity, temperature and radiative intensity. This paper shows that radiative heat transfer, which is an important source of entropy production, cannot be omitted for combustion systems. The study is extended by conducting a parametric investigation to include the effects of wall emissivity, optical thickness, swirl number, and Boltzmann number on entropy production. Global entropy production rates decrease with the increase in swirl velocity, wall emissivity and optical thickness. Introducing swirling air into the combustion system and operations with the appropriate Boltzmann number reduces the irreversibility affected regions and improves energy utilization efficiency.

Keywords： entropy-based design radiation transfer swirl magnussen combustion-model

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Title Author Date Type Operation

Effect analysis of fire location on fire growth in large space

Shi Long,Zhang Ruifang,Xie Qiyuan,Fu Lihua

Journal Article

Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Journal Article

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

Ye Dong,Jiang Yong

Journal Article

Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

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

The Zone and Numerical Simulation on the Tunnel Fire

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

Journal Article

The Networks Analysis of Fire Spread among the Rooms

You Yuhang,Li Yuanzhou,Huo Ran

Journal Article

A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propanefires in open space based on weighted multi-point source model

Jie JI, Junrui DUAN, Huaxian WAN

Journal Article

Nongray radiation from gas and soot mixtures in planar plates based on statistical narrow-band spectralmodel

Huaqiang CHU, Qiang CHENG, Huaichun ZHOU, Fengshan LIU

Journal Article

Forecast of fire accidents based on Grey-Markov model

Mao Zhanli,ZhuYi,Yang Bozhong,ZhuLei

Journal Article

Smart model for accurate estimation of solar radiation

Lazhar ACHOUR, Malek BOUHARKAT, Ouarda ASSAS, Omar BEHAR

Journal Article

State of the Art of Compartment Fire Modeling