1) pressure difference control
压差控制
1.
Location analysis of the pressure difference control point in variable flow rate heat metering charging systems;
热量计量收费供暖热网变流量压差控制点的位置分析
2.
Calculates and analyses the piping network characteristics of the systems under pressure difference control of supply/return main pipes and terminal loop pressure difference control.
计算分析了目前常用的供回水管压差控制、末端压差控制方式下二次泵变流量系统管网特性的变化,发现用户部分负荷时,采用供回水管压差控制的系统中,末端一般处于过流状态;采用末端压差控制的系统,末端一般处于欠流状态。
3.
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。
2) differential pressure control
压差控制
1.
Application of differential pressure control to circuit of load side in a variable volume air conditioning water systems;
空调变流量水系统负荷侧采用压差控制的研究
2.
To meet the requirement of differential pressure control, a new style pneumatic pressure control valve is developed for some pneumatic projection system to work under environment condition of variable pressure.
根据某发射系统的要求，研制了一种气动压差控制阀，用以满足环境压力变化的工况下，对恒定压差的控制需要。
3) variable pressure difference control
变压差控制
1.
Study on the variable pressure difference control of variable-speed pumps;
空调水泵变频调节的变压差控制研究
5) the difference presses the controller
差压控制器
6) controlled pressure differential ratio
控制压差比
1.
Deduces the simplified equations of head ratio and shaft power ratio of variablespeed chilled water pumps by introducing the conception of controlled pressure differential ratio β.
通过引入控制压差比β的概念,导出了空调冷水泵变频扬程比和轴功率比的简化计算公式。
补充资料：泵额定压差
分子式：
CAS号：
性质：在泵额定工况下，其额定排出压与额定吸入压力之差。额定压差是泵性能的主要考核指标之一。
CAS号：
性质：在泵额定工况下，其额定排出压与额定吸入压力之差。额定压差是泵性能的主要考核指标之一。
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