计算机程序是有价值的工具，可以指导任何消防安全计划的设计，尤其是在高层建筑中，这些建筑面临着许多苛刻的设计和烟雾管理挑战。使用一个软件包来检查是否可能使用空气处理装置对消防逃生楼梯井加压，以便在整个火灾过程中保持无烟环境。计算机结果表明，容量适中的设备可以实现这一目标，当楼梯井采用密封材料建造，且井内所有开口都密封时，成功的机会增加。程序输出用作空气选择指南- 有足够能力防止烟雾侵入楼梯间的搬运设备。当消防楼层的门打开时，必须增加正压风机的容量，以防止烟雾进入楼梯井。加压楼梯间必须始终平衡在走火通道中提供新鲜空气的好处与造成难以打开走火通道门的情况的缺点，以抵抗楼梯间内增加的压力。引文:内华达州拉斯维加斯ASHRAE Transactions第117卷第1部分

Computer programs are valuable tools that can guide the design of any fire safety plan, particularly in high-rise buildings that present many demanding design and smoke management challenges. A software package is used to examine the possibility of employing air-handling units to pressurize fire escape stairwells in order to maintain a smoke-free environment throughout the fire. The computer results suggest that equipment with modest capacity can achieve that goal, and the opportunity for success is increased when the stair shaft is constructed with airtight materials and all openings in the shaft are tightly sealed.The program output is used as a guide for the selection of air-handling equipment that has sufficient capacity to keep smoke from invading the stairwells. As the door at the fire floor is opened, the capacity of the positive pressure fans must be increased to prevent smoke from entering the stair shaft. Pressurizing stairwells must always balance the benefits of providing fresh air in the fire escapes with the disadvantages of creating a situation that makes it difficult to open a fire escape door against the increased pressure inside the stairwell.