1) loss due to valve
阀阻损失;节流损失
2) throttle loss
节流损失
1.
Based on setting up model of operating steam turbine of 125MW,some factors of influencing on its throttle loss of governor steam gates are analyzed,and those factors about position of valve and advance guide valve and thermal expand of rod of door are also presented.
以实际运行机组为模型 ,分析了影响 12 5MW汽轮机组调速汽门节流损失的诸多因素 ,讨论了阀点位置、预启阀、门杆热膨胀等因素对调节汽门重叠度的影响 ,通过计算确定了机组调节汽门重叠度的合理取值 ,并进行机组配汽特性和调节汽门节流损失的试验、分析及数据处理 ,在此基础上对机组调节汽门实施了改造 对比试验证明取得了较好经济效
2.
This kind of adjusting method brings throttle loss,causing the operating efficiency of ESP well to decrease and electricity consumption to increase.
电潜泵系统通常通过更换不同孔径的油嘴来调节电潜泵的排量和其他运行参数,这种调节方式带来了节流损失,导致电潜泵井运行效率下降,电耗增加。
3.
It indicates that the sliding pressure operation with partial valves open could greatly reduce the throttle loss,and increase the economic benefit.
为了研究机组滑压优化运行方式,提高机组低负荷运行经济性,适应电网调峰的需求,文章对多台机组滑压运行方式的经济性进行试验和探讨,对试验的途径、内容、方法进行了总结分析,提出阀点滑压方法能大大减少节流损失,在经济上具有优越性。
3) throttling loss
节流损失
1.
In this paper the advantages of DEH system on valves government are studied and the way reducing governing valves throttling loss is analyzed.
论述了DEH控制系统在阀门管理方面的先进功能 ,分析总结了工程实际中降低调节阀门节流损失的技术途径 ,并在此基础上提出了DEH控制系统中降低调节阀门节流损失的阀门管理新策略 ,使调节级的效率在机组运行的整个负荷区段达到最高 ,特别适用于调峰机组的经济运行 ,且易于实施 ,具有较高的生产实用价
4) restriction loss,throttling loss
节流损失<液>
5) hydraulic loss
流动阻力损失
1.
This leads to the rise of fluid viscosity and fluid loop hydraulic loss,and the change of recirculating pump running parameters.
当航天器所需热控单相流体回路排散的热负荷减小时,在太空对辐射器的作用下,流体回路内工质温度降低(处于低温工况),与设计工况相比,因温度降低而使得工质粘度增加,导致单相回路流动阻力损失增加。
6) resistance loss
阻力损失
1.
Emulational investigation of resistance loss of silencer used in seawater pipeline;
水消声器阻力损失仿真研究
2.
Research on test method of resistance loss and equivalent length of valve on tube for gas
气态介质条件下阀门管件局部阻力损失与等效长度测试方法的研究
3.
Factors affecting the resistance loss of membrane diffuser,including number of aperture,size of aperture,type of aperture,and material of membrane,have been studied to optimize technical parameters in product designing and obtain higher economic efficiency.
通过试验研究,总结出可张孔曝气阻力损失的影响因素,以优化产品的结构设计参数,降低产品在工程应用中的能耗,获取更好的经济效益。
补充资料：节流装置
流量测量仪表中的差压流量计的测量部分，由节流件、取压装置和前后直管段组成。图为节流装置的基本结构。节流件的种类繁多，其特点和用途如表。
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