1) pressure protection
压差防护
2) overpressure protection
超压防护
1.
The numerical simulation based on computational fluid dynamics (CFD) is carried out to investigate the gas contaminant movement and distribution as well as influence on human safety inside compartment, which is for chemical accidents rescuing operation shelter with overpressure protection.
运用计算流体动力学(CFD)方法,对具有超压防护功能的某化学事故应急救援手术方舱室内气体污染物运动扩散的规律以及对人员安全的影响进行了数值模拟,其研究结果表明:当大气环境中氢氰酸(HCN)浓度为5mg/L时,前10s从常规进风口进入舱室的HCN在滤毒通风装置开启后,随气流运动逐渐向整个舱室扩散,经净化空气的混合稀释作用,绝大部分通过舱体缝隙排出舱室,30min内舱室HCN浓度的总量下降了95。
2.
Objective: To establish a collective overpressure protection system for the mobile medical shelters when exposing the air containing biological toxin,noxious chemical fumes,and radioactive falloat.
目的:建立一种方舱式机动医疗系统对大气环境中有毒有害生物、化学及放射性物质超压防护的技术体系。
3.
Objective:To establish the overpressure protection for the operating shelter,and to design the cooling and heating system for the operating shelter accord ing to the climate in summer and w inter in d ifferent areas where the equ ipment is likely to be used.
目的:对手术舱室建立超压防护,按照夏、冬两季不同应用地区的气候环境设计手术舱室制冷与供热系统。
3) negative-pressure protection
负压防护
1.
To investigate the protection safety against biological contamination for emergency ambulance with overpressure and negative-pressure protection system,Serratia marcesens aerosol was applied to test the biological filtration efficiency of emergency ambulance under overpressure protection and negative-pressure protection when the aerosol was generated at 30 s,1 min,5 min,10 min respectively.
采用粘质沙雷菌气溶胶,对具有超压/负压防护功能的急救车防生物污染的安全性进行试验考核。
2.
In order to master the distribution of biologic contaminant inside compartment of emergency ambulance with negative-pressure protection,the CFD(Computational Fluid Dynamics) and Lagrangian stochastic trajectory method were employed to simulate the distribution of biologic contaminant inside compartment,and the concentration distribution of biologic contaminant inside compartment was measured.
为掌握负压防护急救车车厢内生物污染物的分布情况,运用计算流体动力学(CFD)方法和拉格朗日颗粒随机轨道模型,对该车车厢内生物污染物的运动扩散进行数值模拟;并通过试验对比研究车厢内污染物浓度场的分布状态,试验与模拟的结果基本一致。
4) differential voltage protection
差压保护
1.
Study of improving setting method of differential voltage protection for parallel capacitor compensation equipment in electrified railway;
电铁并联电容补偿装置差压保护整定方法的改进研究
5) compressive resistance suit
抗压防护服
6) over-voltage protection
过电压防护
1.
Effects of some arc suppression devices on internal over-voltage protection of distribution network are analyzed.
分析了几种常用消弧装置对配电网中内部过电压防护的作用和效果;综合考虑了变电站、开闭所接地选线的实现,以及配电网自动化系统中接地故障区段定位等问题;结合现场运行实践,给出了消弧装置应用的指导原则和技术建议。
补充资料：冲击波超压与动压