暖通空调
暖通空調
난통공조
HEATING,VENTILATING & AIR CONDITIONING
2015年
5期
44-47,11
,共5页
超长汽车坡道%防排烟%FDS 模拟%烟气蔓延%能见度分布
超長汽車坡道%防排煙%FDS 模擬%煙氣蔓延%能見度分佈
초장기차파도%방배연%FDS 모의%연기만연%능견도분포
overlength car ramp%smoke control and extraction%FDS simulation%smoke spread%visibility distribution
以某长度为228.4 m 的汽车坡道为例,分析了超长汽车坡道排烟设计的难点。采用 FDS 软件进行了 CFD 模拟,验算了具体的排烟效果,分析比较了横向排烟与纵向排烟各工况烟气蔓延与能见度分布,找出了一个高效、安全、可靠的防排烟解决措施。
以某長度為228.4 m 的汽車坡道為例,分析瞭超長汽車坡道排煙設計的難點。採用 FDS 軟件進行瞭 CFD 模擬,驗算瞭具體的排煙效果,分析比較瞭橫嚮排煙與縱嚮排煙各工況煙氣蔓延與能見度分佈,找齣瞭一箇高效、安全、可靠的防排煙解決措施。
이모장도위228.4 m 적기차파도위례,분석료초장기차파도배연설계적난점。채용 FDS 연건진행료 CFD 모의,험산료구체적배연효과,분석비교료횡향배연여종향배연각공황연기만연여능견도분포,조출료일개고효、안전、가고적방배연해결조시。
Taking a length of 228.4 meter car ramp as an example,analyses the difficulties of the smoke control and extraction design for the overlength car ramp.Carries out the CFD simulation by using FDS software,and checks the concrete smoke extraction effect.Compares and analyses the smoke spread and visibility distribution under different conditions of vertical and horizontal smoke extraction,and finds out an efficient,safe and reliable smoke control and extraction solution.