本文關(guān)鍵詞： 汽車(chē)火災(zāi) 火災(zāi)蔓延 火場(chǎng)溫度　出處：《消防科學(xué)與技術(shù)》2017年07期 　論文類型：期刊論文

【摘要】：為探究汽車(chē)燃燒特性以及對(duì)相鄰車(chē)輛的影響,通過(guò)點(diǎn)燃浸有汽油的海綿引燃發(fā)動(dòng)機(jī),對(duì)兩輛平行反向放置的三廂式小汽車(chē)進(jìn)行全尺寸燃燒實(shí)驗(yàn)�；馂�(zāi)實(shí)驗(yàn)室長(zhǎng)40 m、寬12.87 m、高11.87 m,兩車(chē)間距設(shè)為0.8 m。通過(guò)攝像機(jī)、熱電偶等設(shè)備獲取汽車(chē)火災(zāi)的發(fā)展過(guò)程,得到汽車(chē)內(nèi)溫度及煙氣溫度隨時(shí)間的變化。結(jié)果顯示:點(diǎn)燃發(fā)動(dòng)機(jī)艙20 min后火蔓延至第二輛車(chē),汽車(chē)燃燒29 min后火勢(shì)達(dá)到最大;火焰在汽車(chē)內(nèi)部蔓延的速度低于在車(chē)頂?shù)穆铀俣?汽車(chē)內(nèi)測(cè)得的最高溫度為900℃,實(shí)驗(yàn)室空間各個(gè)測(cè)點(diǎn)測(cè)得的煙氣最高溫度為89~185℃。
[Abstract]:To investigate the combustion characteristics of cars and their effects on adjacent vehicles, ignition engines are ignited by igniting a sponge impregnated with gasoline. A full-scale combustion experiment was carried out on two three-compartment cars with parallel reverse placement. The fire laboratory was 40 m long, 12.87 m wide, 11.87 m high and 0.8 m apart. The development process of vehicle fire was obtained by means of camera, thermocouple and other equipment. The results show that the fire spread to the second vehicle after 20 min of ignition engine cabin, and the maximum fire intensity is reached after burning for 29 min. The velocity of flame spread inside the automobile is lower than that on the roof, the maximum temperature of the automobile is 900 鈩，

本文編號(hào)：1500543