杉木板壁面垂直火蔓延及侧向水喷雾对其抑制作用研究
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
壁面装饰材料垂直火蔓延是室内火灾发展的重要途径,水喷雾是有效的火蔓延抑制手段。本文选用四种不同厚度的杉木板(10mm,12mm,15mm,18mm),分别开展了热失重分析实验和在ISO9705标准燃烧室开展了全尺寸实验,主要研究不同厚度的杉木板垂直壁面火蔓延特性以及侧向水喷雾对其的抑制作用,并在前人的基础上改进了侧向水喷雾临界水施加率的计算方法,在实验中验证。
     从微观的角度对杉木材进行热失重分析实验研究。利用热重-差热(TG-DTA)联用分析仪研究杉木材的热解行为,分析材料在受热过程中结构和成分的变化,考虑升温速率对热解过程的影响,最终依据国际标准局(ISO)TG曲线关键温度表示法确定热解特征温度,为后面划分木板预热区与热解区提供实验依据。
     在杉木板垂直壁面火蔓延的研究中,采用了先进的测量仪器红外热像仪,通过在红外热像仪实时观测窗口中设置若干条等距等宽的刻度线,记下每条刻度线上平均温度达到杉木材热解特征温度的时间,得到杉木板壁面垂直向上火蔓延位移数据。
     根据火蔓延位移数据,计算出火蔓延平均速率,从而得到杉木板垂直火蔓延规律:杉木板垂直火蔓延分为三个阶段——点燃阶段、过渡阶段和发展阶段;另外总结出厚度对杉木板垂直火蔓延的影响。
     利用曲线拟合的数值处理方法,拟合出火蔓延位移和时间的函数。根据位移和速率的基本关系式,对火蔓延位移函数求导,得到火蔓延瞬时速率的函数,并通过matlab绘制出火蔓延位移和瞬时速率的曲线图。
     将数字图像处理方法运用到实验中,通过读取摄像机拍摄的杉木板垂直火蔓延的视频,实时获取火焰高度,为后续计算临界水施加率提供参数。首先对单帧图像进行阈值分割,消除背景噪声,提取火焰目标;然后计算出火焰的像素高度,再对其进行标定,得到实际高度;最后对每一秒取15帧图像中的火焰高度求平均值,消除因为火焰跳动带来的误差。
     侧向水喷雾作用于木板预热区的情况下,研究了四种不同厚度杉木板贴面固定在墙壁时的燃烧特性,并测量了热释放速率、木板表面温度以及CO/CO_2浓度。在红外热像仪中标出水喷雾作用区的最底端界限,并依据杉木材热解特征温度设定等温线280℃~300℃,当等温线蔓延至最底端界限时开始喷水,此时水喷雾呛米饔迷谏寄景宓脑と惹?调整喷头压力使得等温线既不向上蔓延也不向下回落,此时即为预热区的侧向水喷雾临界水施加压力,结合喷头相关喷流特性得到临界水施加率实验值。
     改进了作用在预热区的侧向水喷雾临界水施加率计算方法,主要是从预热区和热解区的判据和计算方法中的重要参数两方面改进,并引入了厚度因子。计算出4种厚度杉木板的临界水施加率理论值,与临界水施加率实验值进行对比,给出实验验证。
Lining material is an important approach of flame spread while water spray is an effective way to control flame spread.China fir boards of four different thickness (10mm,12mm,15mm,18mm) were chosen to conduct the thermal gravimetric analysis experiments and Full scale experiments according with ISO9705 standard. The behavior of the china fir board vertical flame spread and its suppression with lateral water spray were studied.Moreover,the calculation method of lateral critical water flow rate was improved and was verified.
     The experiments were conducted to make the thermal gravimetric analysis of the china fir board from the microcosmic angel.The pyrolysis behavior of the china fir board and the changes of construction and ingredients of the material were studied using the TG-DTA analyzer.Considering the effect of heating rate on the prolysis process,according to the ISO TG curve key temperature representation,the pyrolysis characteristic temperature was determined to divide the preheat zone and prolysis zone.
     The infrared thermography was used to research the relation of china fir board vertical flame spread.By setting several equidistant scale marks with equal length in the real-time observation window of the infrared thermography,the time when the average temperature on every scale mark arise to the prolysis characteristic temperature was recorded to get the data of displacement of flame spread.
     Based on the data of displacement of flame spread the average velocity of flame spread was calculated.So the conclusion is:the vertical flame spread process of china fir board is divided into three stages:kindling stage,transition stage and developing stage.And the effect of thickness on the vertical flame spread was concluded.
     The method of curve fitting was selected to get the function of displacement of flame spread.Based on the relationship of velocity and displacement,the function of displacement of flame spread was differentiated to get the function of velocity of flame spread.The curves of the function of displacement of flame spread and the function of velocity of flame spread were plotted in matlab.
     The image processing method was introduced into the experiments.Flame height was acquired by the video frequency taken by the camera to give the parameters of lateral critical water flow rate.First,single frame image was processed by threshold segmentation and background noise reduction to extract the fire target;second,the height of the fire was calculated and calibrated;finally,to eliminate the errors of flame flutter,15 flames images in one second were chose to calculate the mean flame height.
     Full scale experiments were conducted according with ISO9705 standard to study the fire behavior of four china fir board of different thickness on the wall when the water spray acted on the preheat zone of the board,and the parameters such as heat release rate,board surface temperature and concentration of CO/CO_2 were measured.The bottom limit of the action area of the water spray was marked in the infrared thermography and the isothermal line(280℃~300℃) were set according to the pyrolysis characteristic temperature.When the isothermal line spread to the bottom limit the water spray started which acted on the preheat china fir board to the moment.If the pressure of the sprayer was adjusted to keep the isothermal line neither rising nor falling,it was the lateral critical water flow pressure of the preheat zone.So the experimental value of the lateral critical water flow rate could be calculated according to the jet characteristics of the sprayer.
     The calculation method of lateral critical water flow rate on the preheat zone of the china fir board was improved:The parameters such as fire height and heat release rate was modified;the criterion of preheat zone and prolysis zone was proposed;the thickness factor was added.The computation value of the lateral critical water flow rate of four china fir board with different thickness was calculated to compare with the experiment data.The result proved that the experimental data matched well with the model values.
引文
[1]范维澄,王清安等编著,火灾学简明教程,合肥:中国科技大学出版社,1995
    [2]范维澄,孙金华,陆守香等,火灾风险评估方法学,北京:科学出版社,2004
    [3]陈鹏,典型木材表面火蔓延行为及传热机理研究,中国科学技术大学,2006
    [4]杨昀,装饰胶合板火灾特性及对室内火灾发展的影响研究[D],中国科学技术大学,2005
    [5]王晔,室内装修的火灾危险性,消防技术与产品信息,1998(2):p.43-50
    [6]Holhom,P.G,P.F.Nolan,and J.Golt,An analysis of fatal unintentional duelling fires investigated by London Fire Brigade between 1996 and 2000,Fire Safety Journal,2003,8:p1-42
    [7]范维澄,火灾科学的新理论及洁净、智能防灭火技术,香山科学会议第83次学术讨论会主题报告。pp.28-32,1997.10。
    [8]Bakns,R.E.," Enviromnental Aspects of Fluorinated Materials.2.In-Kind replacements for Halon Fire Extinguishants- Some Recent Candidates." Jounral of Fluorine Chemistry67(3):193-203,1994
    [9]Stamnes,K.,Henriksen K.,et al." Simultaneous measurement of uv radiation received by the biosphere and total ozone amount",GeoPhysical Research Letters15(8):784,2000
    [10]Li K.,Kennedy E.M.,et al.,"Gas - Phase reaction of halon 1301(CBrF3)With methane."Industrial & Engineering Chemistry Research 38(9):3345-3352,1999
    [11]Li,K.,Oghanna F.,et al.," Pyrolysis of Halon1301 over zeolite catalysts."MieroPorous and MesoPorous Materials35-6:219-226,2000
    [12]张永丰,洁净高效混合气体灭火有效性模拟研究,中国科学技术大学,2006
    [13]Tewarson,A.and Khan M.M."Extinguishment of Diffusion Flames of polymeriec Materials by Halon-1301." Joumal of Fire Sciences11(5):407-420,1993
    [14]黄鑫,气泡雾化细水雾灭火有效性模拟研究,中国科学技术大学,2007
    [15]NFPA 750,Standard for the Installation of Water Mist Fire Protection Systems.1996 Edition,National Fire Protection Association,Quincy,MA,1996.
    [16]Shields,T.J.,G.W.Silcock,and M.A.Azhakesan,A Comparison of Fire Retarded and Non-Fire Retarded Wood-based Wall Linings Exposed to Fire in an Enclosure.Fire and Materials,1999.23:p.17-25.
    [17]Wickstr(o|¨)m,U.and U.G(o|¨)ransson,Prediction of heat release rates of surface materials in large-scale fire test based on cone calorimeter results.ASTM Journal of Testing and Evaluation,1987.
    [18]Goranss(o|¨)n,U.and U.Wickstr(o|¨)m,Flame spread prediction in the room/comer test based on the cone calorimeter.In Interflam symposium,1990
    [19]Christian,W.J.and T.E.Waterman,Ability of small-scale tests to predict full-scale smoke production.Fire Technology,1971.7:p.332-334.
    [20]abrauskas Journal,V.,Application of predictive smoke measurements.Journal of Fire and Flammability,1981.12:p.51-46.
    [21]Quintiere,J.G.,Smoke measurements:an assessment of correlations between laboratory and full-scale experiments.Fire and Materials,1982.6:p.145-160.
    [22](O|¨)stman,B.A.-L.and Tsantaridis,Smoke production in the cone calorimeter and the room fire test.Fire Safety Journal,1991.17:p.27-43.
    [23]Hirschler,M.M.,The measurement of smoke in rate of heat release equipment in a manner related to fire hazeard.Fire Safety Journal,1991.17:p.239-258.
    [24](O|¨)stman,B.A.-L.and Tsantaridis,Smoke production in the cone calorimeter and the room fire test.Fire Safety Journal,1991.17:p.27-43.
    [25]Heskestad,A.W.and P.J.Hovde,Empirical pediction of smoke prodution in the ISO room corner fire test by use oflSO cone calorimeter fire test data.Fire and Materials,1999.23:p.193-199.
    [26]Shields,T.J.,G.W.Silcock,and M.A.Azhakesan,A Comparison of Fire Retarded and Non-Fire Retarded Wood-based Wall Linings Exposed to Fire in an Enclosure.Fire and Materials,1999.23:p.17-25.
    [27]Silcock,G.W.H.and T.J.Shields,Protocol for analysis oftirne-to-ignition data from bench-scale tests.Fire Safety Journal,1995.24(1):p.75-79.
    [28]王喜世,廖光煊,顺风条件下木材表面火蔓延特性的实验研究,中国科学技术大学学报,1999,Vol.29:108-1120
    [29]王海晖,王清安,黄强,木材燃烧火焰传播的实验研究,中国科学技术大学学报,1991,Vol.21:254-2590
    [30]廖曙江,大空间建筑内活动火灾荷载火灾发展及蔓延特性研究,重庆大学博士学位论文,2002
    [31]Frey,A.E.,T'ien,J.S.A theory of flame spread over solid fuels including finite rate chemical kinetics.Combustion and Flame,1979,Vol.36:263.
    [32]Fernandez-Pello,A.C.,Willms,F.A.Laminar flame spread over PMMA surfaces.Fifth Symposium(International) on Combustion,The combustion Institute.Pitsburgh,1975,pp.217.
    [33]Hanson,R.k.,Varghese,P.L.,Schoenung,S.N.,Falcone,F.K.Laser probes for combustion chemistry.A SC-SymposiumS eries,19 80,pp.13 4-413
    [34]Fernandez-Pello,A.C.,Willms,F.A.Experimental techniques in the study of laminar flame spread overs olid combustibles.Combustion Science and technology,1976,Vol.14:155 -167.
    [35]Rasbash,D.J.,The extinction of fires by waters prays.Fire Res.Abstr.Rev.,4(1962)24-53.
    [36]Rasbash,D.J.,Heat Transfer Between Water Sprays and Flames of Freely Burning Fires,Proceedings of the Symposium on the Interaction of Fluids and Particles,Institution of Chemical Engineers,pp.217-223,1962.
    [37]Carhart,H.W.Fielding,G.H,W illiams F W,Suppression -Why Not W ater?Washington D C:Naval Research Laboratory,NRL Memorandum Report 3435,1977.
    [38]LugarJ.R.,W ate rM is tFire Protection.BethesdaM D:David W Taylor Naval Ship Research and Development Center,1979.
    [39]Wang Xishi,Liao Guangxuan,YaoBin,Fan Weicheng,Preliminary Study on the Interaction of Water Mist with Pool Fires,Jounral of Fire Sciences,2000.12
    [40]Liao Guangxuan,Liu Jianghong,Qin Jun,Wang Xishi,Yao Bin.Experimental Study on the Interaction of Fine Water Spray with Liquid Pool Fires.Pasadena,CA,USA,July 2000.Proceedings of ICLASS,2000,PP.1-6,International Journal of Thermal Science,2000.
    [41]Bin Yao,Guangxuan Liao,Weicheng Fan,Yaping He,Heat Release Rate Study of A Pool Fire Interacted With Water Mists Using A Cone Calorimeter,99ISCFS(99~(th)International Symposium of City Fire Safety),1999,Huangshan.
    [42]秦俊,姚斌,廖光煊,王喜世,细水雾流场雾通量的APV测量研究,中国科大学报,Vol.29,No.3,PP.320-325,1999.
    [43]刘江虹,廖光煊,秦俊,范维澄,细水雾与射流卷吸现象的模拟实验研究,火灾科学,Vol.9,No.2,PP.8-13,2000.
    [44]Wang Xishi,LiaoGuangxuan,et al.Experimental Study on Hot Solid Surfaces Cooling with Water Mist under Simulated Fire Conditions,Proceedings of the 35(th)Meeting of Japanese Society for Safety Engineering,Yokhama,Dec.5-6,2002.
    [45]Liu JiangHong,Liao GuangXuan,Li Pei De,Experimental study on the interaction of fine water mist with solid pool fires,SCIENCE IN CHINA,46(2):218-223,2003.
    [46]Liu Jiang Hong,Liao Guang Xuan,Li Pei De,Yao Bin,Preliminary Study on Interaction of water mist with diffusion flame of Liquid Fuels,Progress in Natural Science,Vol.13,No.3:237-240,2003
    [47]陆强,廖光煊,秦俊,刘江虹,细水雾灭油池火时各种影响因素的相对重要度分析,火灾科学11(3):164-169,2002.
    [48]陆强,廖光煊,朱伟,油池火中雾卷吸现象的研究,工程热物理学报,26(1):147-150,2005.
    [49]J.R.Mawhinney,P.Eng.Engineering criteria for water mist fire suppression system.Water mist fire suppression workshop,March 1-2,1993,PP37-75
    [50]JinsongHua,K.Kumar,B.C.Khoo,et al.A numerical study of interaction of water spray with fire Plume.Fire safety joural,2002,37:631-657
    [51]Sooni INam.Development of a computational model simulating the interaction between a fire Plume and a sprinkler spray.Fire safety journal,1996,26:1-33
    [52]Soonil Nam.Numerical simulation of the Penetration capability of sprinkler Sprays.Fire safety journal,1999,32:307-329
    [53]Masahiro Morita.Suppression mechanism of water mist for Pool Fire,Proeeedings of fire research and safety 15~(th) joint Panel meeting.Vol.1,March,2000, SanAntonio,TX,Bryner,S.L.,Editor(s),PP,273-279
    [54]J.C.Yang,C.I.Boyer,W.L.Grosshandler.Minimum mass flux requirements to suppress buning surface with Water sPrays.N1STIR5795,National histitute of Standards and Technology,Gaithersburg,MD.April,1996.
    [1]李余增,热分析,北京:清华大学出版社,1987.
    [2]神户太郎编,刘震海译,热分析,北京:化学工业出版社,1979.
    [3]陈镜乱,李传儒,热分析及其应用,北京:科学出版社,1985.
    [4]张美珍主编,聚合物研究方法,北京:中国轻工业出版社,2000.
    [5]ISO9705,Fi re Tests-Full Scale Room Test for Surface Product.1993,International Standards Organization
    [6]Babrauskas,V.and R.D.Peacock,Heat Release Rate:The Single Most Important Variable in Fire Hazard[J].Fire Safety Journal,1992.18:p.255-272.
    [7]Huggett,C.,Estimation of Rate of Heat Release by Means of Oxygen Consumption Measurements[J].Fire and Materials,1980.4:p.61-65.
    [8]Janssens,M.,Measuring Rate of Heat Release by Oxygen Consumption[J].Fire Technology,1991.27:p.234-249.
    [9]杜志辉.热像仪定标函数的研究,红外技术,Vol,16,1994
    [1]成俊卿,等.木材学.北京:中国林业出版社,1985.
    [2]中野準三等编著,木材化学,北京:中国林业出版社,1989.
    [3]Orfao J J M,Antunes F J A,Figueiredo J L.Pyrolysis kinetics of lignocellulose materials-three independent reactions model.Fuel,1999,78:349-358
    [4]Fom R,Marcilla A,Verdu E,et al.Thermogravimetric kinetic study of the pyrolysis of almond shells and almond shells impregnated with CoCl_2.Journal of Analytical and Applied Pyrolysis,1991,21:249-264
    [5]Reina J,Velo E,Puigjaner L.Kinetic study of the pyrolysis of waste wood.Industrial & Engineering Chemistry Research,1998,37:4290-4295
    [6]刘振海.1991.热分析导论[M].北京:化学工业出版社.
    [7]于伯龄,姜胶东.1990.实用热分析[M].北京:纺织工业出版社.
    [8]Bilbao,R..el al.Kinetic study for the thermal decomposition of cellulose and pine sawdust in an air atmosphere.Journal of Anal.Pyrol.1997,Vol.39:53-64.
    [9]阎昊鹏,陆熙娴,秦特夫.热重法研究木材热解反应动力学,China Wood Industry 1997,Vol.11(2):14-18
    [10]J.Reina,et al.Kinetic study of the Pyrolysis waste wood,Ind.Eng,Chem,Res.1998,37:4290-4295
    [11]J.J.M.Orfao,et al,Pyrolysis kinetics of lignocellulosic materials-three independent reactionsmodel,Fuel,1999,Vol.78:349-358
    [12]J.Bhagwan,Krishan,Lal,Thermal studies on cellulose Alkylphosphates and three metal Complexes in air and nitrogen,Cellulose Chem.Technology,1994,Vol.28:239 - 253
    [13]蔡正千.热分析[M],北京,高等教育出版社,1993
    [14]高洁,汤烈轨.纤维素科学[M],北京,科学出版社,1996
    [15]Milosavljevic I,Suuberg E.M.Cellulose thermal decomposition kinetics:global mass loss kinetics.Industrial & Engineering Chemistry Research,1995,34:1081-1091
    [16]Rogers F.E,Ohlemiller T.J.Cellulosic insulation material.Overall degradation kinetics and reaction heats.Combustion Science and Technology,1980,24:129-137
    [1]范维澄,王清安等编著,火灾学简明教程,合肥:中国科技大学出版社,1995
    [2]王喜世,廖光煊,顺风条件下木材表面火蔓延特性的实验研究,中国科学技术大学学报,1999,Vol.29:108-112
    [3]Fernandez-Pello,A.C.,Hirano,T.Controlling mechanism of flame spread.Combustion science and technology,1983,Vol.32:1-31
    [4]陈鹏,典型木材表面火蔓延行为及传热机理研究.2006,中国科学技术大学:合肥
    [5]邹样辉,固体可燃物表面火蔓延研究.2001,中国科学技术大学:合肥
    [6]Babrauskas V.,"Modern Test Methods for Flammability",NISTR 4326,NIST,CFR,Gaitherburg,MD 1990
    [7]ISO 5657,Fire Test-Reaction to Fire ignitability of Buildin Products,International Standards Organization,Geneva,Switzerland,1986
    [8]ISO 5660,Fire Test-Reaction to Fire Rate of Heat Release from Building Products,International Standards Organization,Geneva,Switzerland,1991
    [9]ASTM E 1321-90,Standard Test Method for Determining Material Ignition and Flame Spread Properties,Annual Book of ASTM Standards,ASTM,Philadelphia,1990
    [10]Quintiere J.G.,Harkerroad M.,"New Concepts for Measuring Flame Spread Properties",NBSIR 84-2943,NBS,CFR,Gaithersburg,MD,1984
    [11]Kindelan,M.,Williams,F.A.Theory for endothermic gasification of a solid by a constant energy flux.Combustion science and technology.1975,Vol.10:1-9
    [12]MELL,W E.,OLSON,S.L.,KASHIWAGI,T.FLAME SPREAD ALONG FREE EDGES OF THERMALLY THIN SAMPLES IN MICROGRAVITY Proceedings of the Combustion Institute,Volume 28,2000/pp.28 43-2849
    [13]Quintiere,J.G.,SFPE Handbook of Fire Protection Engineering.2nd ed.1995:National Fire Protection Association.
    [14]Incropera F P and Witt D P D,Fundamentals of Heat and Mass Transfer.1990:John Wiley and Sons.
    [15]Sation,K.,J.G.Quintiere,and F.A.Williams.Upward turblent flame spread.in Fire Safety Science-Proceedings of the First International Symposium.1985:Hemishpere Publishing Corporation.
    [16]Thomas,P.H.,On concurrent upward surface spread of flame.Fire Safety Journal,1994.22:p.89-99.
    [17]Williams,F.A.Mechanisms of fire spread.in Proceedings of the Sixteenth International Symposium on Combustion.1977.
    [18]Quintiere,J.G.The effects of angular orientation on flame spread over thin materials.Fi re Safety Journal,2001,Vol.36:291-312
    [19]王婷婷,彩色图像分割方法的研究与实现,山东科技大学博士学位论文,2005
    [20]岗萨雷斯.数字图像处理,电子工业出版社,2003
    [21]崔屹,数学形态学方法及应用,科学出版社,2002
    [1]李玉栋.木质材料阻燃技术[J].森林工业文摘,1988(3):128.
    [2]Masataro Suzuki,Ritsu Dobashi,Toshisuke Hirano.Behavior of fires spreading downward over thick paper,25th Symposium on Combustion,The Combustion Institute,1994,pp.14 39-1446.
    [3]Femandez-Pello,A.C.,Hirano,T.Controlling mechanism of flame spread.Combustion science and technology,1983,Vol.32:1-31.
    [4]Ito A,Kashiwagi T.Characterization of flame spread over PMMA using holographic interferometer:sample orientation effects[J].Combustion and Flame,1988,71:189-204
    [5]王喜世,廖光煊,顺风条件下木材表面火蔓延特性的实验研究,中国科学技术大学学报,1999,Vol.29:108-112
    [6]王海晖,王清安,黄强,木材燃烧火焰传播的实验研究,中国科学技术大学学报,1991,Vol.21:254-2590
    [7]邹样辉,周建军,范维澄,垂直壁面火蔓延速率的实验测量,火灾科学,2001,V ol.10:8-130
    [8]邹样辉,固体可燃物表面火蔓延研究,中国科学技术大学博士学位论文,2001
    [9]Tamanini F.A study of the extinguishment of vertical wood slabs in self-sustained burning by water spray application.Combustion Science and Technology 1976;14:1-15
    [10]杨健鹏,水雾对典型壁面装饰材料火灾发展的影响研究.2008,中国科学技术大学:合肥
    [11]Mawhinney,J.R.,Dlugogorski,B.Z.and Kim,A.K.A Closer Look at the Fire Extinguishing Properties of Water Mist.Proceedings of the Fourth International Symposium on Fire Safety Science,1994,47-60.
    [12]Liu,Z.G,Kim,Andrew K.Review of Water Mist Fire Suppression Systems-Part ⅠFundamental Studies.Journal of Fire Protection Engineering,2000,10:32-50.
    [13]范维澄等.火灾科学导论,湖北科学技术出版社,1993
    [14]Grant,G.,Breton,J.and Drysdale,D.Fire Suppression by Water sprays.Progress in Energy and Combustion Science,2000,26(2):79-130.
    [15]Mawhinney,J.R.and Back,G.G.Water Mist Fire Suppression Systems.SFPE Handbook,3rd edition,2000,4-311.
    [16]NFPA 750,Standard for the Installation of Water Mist Fire Protection Systems.1996 Edition,National Fire Protection Association,Quincy,MA,1996.
    [17]Mawhirmey,J.R,P.Eng.Engineering criteria for water mist fire suppression system.Water mist fire suppression workshop,1993,p:37-75
    [18]A.Jones,P.F.Nolan.Discussion on the use of fine water spray or mist for fire suppression.J.Loss Prev.Process Ind.1995,8(1) 17-22
    [19]J.R.Lawson,W.D.Walton,D.D.Evants.Measurement of droplet size in sprinkler sprays.NBSIR 88-3715,Gaithersburg,MD,Februaru 1998.
    [20]C.C.Ndubizu,R.Ananth,P.A.Tatem,et al.On water mist fire suppression mechanisms in a gaseous diffusion flame.Fire safety journal,1998,31:253-276
    [21]J.E.Widmann,D.T.Sheppard,R.M.Lueptow.Non-intrusive measurement in fire sprinkler sprays.Fire technology,2001,37(4):297-315
    [22]X.S.Wang,X.P.Wu,G.X.Liao,et al.Characterization of a water mist based on digital particle imagines.Experiments in fluids,2002,33:587-593
    [23]J.E.Widmann.Phase Doppler interferometry measurement in water sprays produced by residential fire sprinklers.Fire safety journal,2001,36:545-567
    [24]程传煊.表面物理化学.北京:科学技术文献出版社,1995.72-75
    [25]Prinz B,Bamberger M.Determination of heat transfer co-efficient of mist air sprays[J].Materials Science and Technology,1989,5(4):389-393.
    [1]Hirst R.Underdown's practical fire precautions.3rd edn.London:Gower Press,1989.
    [2]Nash P,Rasbash DJ.The use of water to extinguish fire.The Institution of Fire EngineersAnnual Report,1955.p.93-116
    [3]Grant,G.et al.Fire suppression by water sprays.Progress in Energy and Combustion Science,2000,26:79.
    [4]Magee,R.S.and Reitz,R.D.,Extinguishment of Radiation Augmented Plastic Fires byWater Spray,15th Symposium(International) on Combustion.The Combustion Institute,p337-347,1975
    [5]Tamanini F.A study of the extinguishment of vertical wood slabs in self-sustained burning by water spray application.Combustion Science and Technology 1976;14:1-15
    [6]V.Novozhilov,D.J.E.Harvie and J.H.Kent,A computational fluid dynamics study of wood fire extinguishment by water spray.Fire Saf J 29(1997),pp.259-282
    [7]Tamanini F.The application of water sprays to the extinguishment of crib fires.Combustion Science and Technology 1976;14:17-23.
    [8]杨健鹏,水雾对典型壁面装饰材料火灾发展的影响研究.2008,中国科学技术大学:合肥
    [9]Incropera F P and Witt D P D,Fundamentals of Heat and Mass Transfer.1990:John Wiley and Sons.
    [10]Karlsson B.A mathematical model for calculating heat release rate in the r oom corner test[J].Fire Safety Journal,1993,22:93-113.

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700