就机械排烟系统的有关消防安全技术措施做一些简要探讨。
Mechanical exhaust system fire safety technology measures are briefly discusses in the paper.
为了解决这些问题，需要对铝电解机械排烟工艺进行研究改良。
To deal with this problem, it is necessary to research and improve the air exhaust system.
介绍了地上房间自然排烟和通透式吊顶房间机械排烟的设计要点。
Presents the points in design of natural smoke exhaust for rooms and mechanical smoke extraction for permeable suspended ceiling rooms.
采用全尺寸实验对夏季大空间内火灾机械排烟的效率进行了研究。
The present paper aims to introduce the authors' investigation and research on the mechanical smoke exhaust efficiency in the large space fire in summer.
研究了机械排烟口的布置和排烟量对火灾烟气排放有效性的影响。
The present study explores the effects of location of the mechanical exhaust vents and mechanical exhaust rate on the effectiveness of smoke extraction.
结果表明，大型地下商场宜采用远端自然送风、近端机械排烟方式；
The results show that natural ventilation far from the fire and mechanical exhaust near to the fire is proposed in a large underground emporium.
在进行机械排烟时还应考虑风机对流场的扰动、补风口位置的影响。
The effect of the turbulence of the fan convection field and the position of the wind compen…
在进行机械排烟时还应考虑风机对流场的扰动、补风口位置的影响。
The effect of the turbulence of the fan convection field and the pos…
机械排烟造成空气与烟气的混合，主要是通过逐渐稀释来清除烟气的。
The mechanical exhaust can bring the smoke and air together and get rid of the smoke through the dilution of it gradually.
采用全尺寸实验对较大火源功率下机械排烟控制小室火灾烟气的效果进行了研究。
Full-scale burning tests were carried out to study the effect of smoke controlling with mechanical smoke exhaust under big cabin fire.
当站台中部发生火灾时，只有机械排烟和挡烟装置配合使用才可以有效地控制烟气。
When a fire occurs at the center of the platform, both the smoke evacuation fan and the smoke blocking wall can effectively control the smoke.
在一个全尺寸的大空间火灾实验厅内，进行了不同补风口位置和补风口面积下的机械排烟试验。
The mechanical smoke exhaust experiments with different air-supplement conditions were conducted in a full-scale large space fire experimental hall.
采用全尺寸实验和数值模拟两种方法对大空间火灾单侧不对称补气条件下的机械排烟进行了分析。
Full-scale burning test and numerical simulation were carried out to investigate the mechanical exhaust in large space fire with one-side unsymmetrical air supply.
根据虚拟风机优选出实体风机，将实体风机带入烟流软件，得出了机械排烟条件下的烟流特性参数。
The Search to Properties of Fire Smoke Flow and Air Supplement and Mechanical Smoke Extraction Systems in Corridor of Building;
文章建议根据火源释热率、火灾发生后的逃生时间、烟气层的控制高度合理确定大空间的机械排烟速率。
Therefore the article recommends that according to fire heat release rate, escape time and control height of smoke layer, the rate of mechanical smoke extraction should be reasonably decided.
文章分析了大空间建筑内机械排烟的要求，并在大空间火灾实验厅内进行了不同火源功率下的机械排烟试验。
The paper analyses the requirements for mechanical exhaust tests under different power done in the large space fire test hall.
在机械排烟正常启动情况下，沿着走道水平方向，走道远离火源处的CO和CO_2能够维持相当高的浓度，甚至高于走道近火源处的浓度。
And co and CO_2 concentration far away the fire source may keep a high level or higher than those at the hallway near the fire source when the smoke exhaust system is run.
为满足补风需要，设机械加压送风系统，送风量按不小于排烟量的50%计算。
To satisfy the demands for air supplement, mechanical pressurized air supply system is set. Air supply level is calculated by no less than 50% of smoke exhaust level.
为满足补风需要，设机械加压送风系统，送风量按不小于排烟量的50%计算。
To satisfy the demands for air supplement, mechanical pressurized air supply system is set. Air supply level is calculated by no less than 50% of smoke exhaust level.
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