1) air change method
换气次数法
2) air change rate
换气次数
1.
Tests air change rate in rooms with windows opening using the tracer gas method.
分析了开窗对室内温度的影响,利用示踪气体法测试了冬季工况下开窗房间的通风换气次数。
2.
Presents some hot research topics and their development, including pressure difference control, setting of surge chamber and spray chamber, air change rate and energy saving, numerical simulation of air distribution, and air filter and its leak detecting.
简述了实验动物房的布局原则,对三种空调系统形式进行了比较,介绍了压差控制、缓冲室和吹淋室的设置、换气次数及节能、气流组织的数值模拟、空气过滤器及其检漏等研究热点及其进展。
3.
The influences of four different terminals on the indoor air change rate are also compared by taking a project for example.
介绍了办公楼内外区负荷的变化情况;从风量、末端风机尺寸、噪声及能耗等方面比较了串联式和并联式风机驱动型末端装置的性能,并以一工程实例比较了四种不同的末端选择方案对室内空气换气次数的影响;从节能的角度出发,对变风量系统常用的两种控制方式—定静压控制和变静压控制作了比较。
3) Air Exchange Rate
换气次数
1.
Indoor thermal environment are affected by heating mode and air exchange rate intensively.
供暖方式不同时,房间换气次数的高低将对室内热环境产生明显的影响。
2.
Air infiltration loss depends on air exchange rate.
准确估计日光温室冬季生产时热收支是实现温室环境合理调控的基础,正确估计温室换气次数则可正确估计由冷风渗透引起的失热。
4) air changes
换气次数
1.
Influence of different combinations of air changes and cooling load in isolation wards and buffer rooms on temperature difference and isolation coefficient;
隔离病房和缓冲室的换气次数与冷负荷匹配情况对温差和隔离系数的影响
2.
Based on a contamination emission model, analyses the influences of indoor temperature, mass transfer coefficient and air changes on contamination emission from porous materials.
基于所建的污染物散发模型,分析了室内温度、传质系数、换气次数对多孔材料污染物散发的影响。
5) Ventilation rate
换气次数
1.
The ventilation rate is analyzed under this new flow pattern, the feasibility and economy of the appliance of this new flow pattern is also discussed.
分析了新型气流组织下换气次数。
2.
For an office room in Ji′nan,the changing rule of natuml room temperature with different ventilation rates,envelope and towards were discussed.
针对济南地区一办公房间,讨论不同的换气次数、围护结构和建筑朝向对自然室温影响的变化规律。
6) air circulation ratio
换气次数
1.
By the analysis of the building surface pressure distribution,wind pressure difference coefficient and natural ventilation air circulation ratio of different house types with different operating conditions are calculated.
基于计算流体动力学CFD软件,选用Realizablek-ε湍流模型,对某高层住宅周围的流场进行了数值模拟,通过分析建筑物表面的压力分布,计算得到各户型在不同工况下的风压差系数及自然通风换气次数,分析了个别户型通风效果较差的原因。
2.
Through the analysis of the surface pressure distribution of the building,wind pressure difference coefficient and natural ventilation air circulation ratio which in different doors of different operating condition was calculated.
通过分析建筑物表面的压力分布,计算得到各户型在不同工况下的风压差系数及自然通风换气次数。
补充资料：换气功能
换气功能
氧和二氧化碳在肺泡和肺毛细血管中进行气体交换的过程。通过测定动脉血中氧和二氧化碳分压以了解换气情况。换气功能正常与否，与通气功能、吸入气体在肺内分布、灌注肺泡的血流分布和数量及肺泡膜对气体分子的通透性等因素有关。肺脏病变造成肺泡呼吸面积减少，气体弥散不良；或肺泡壁病变造成气体透过肺泡壁的功能障碍时，换气功能减弱。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条