Result of my study that the problems of great drop line maybe have, which is an essential guidance for pipe commissioning.
研究了大落差管道可能产生的各种问题,对管道的投产具有重要的指导意义。
The pressure drop of pipe increases with increasing of flux, liquid density, liquid viscosity, particle density and particle volume density.
管路压降随着流量、颗粒密度、颗粒初始加入量及液相介质密度和粘度增大而增大。
The model was made up of inner steam temperature drop equations, the steam pipe laying different ways of unit length heat loss equations, total heat resistance calculation equations.
模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热热阻计算方程组成。
The applicable formulae of pressure drop in the dilute flow for solid particle through a vertical pipe are developed.
文中提出了固体粒子稀相流垂直管内适用的压力损失计算式。
Oil temperature drop and oil contraction can cause gas space growing in oil pipe and line packing during hot oil pipeline shutdown and restarting.
热油管道停输后,管内油品降温收缩,管内会产生油蒸气空间,从而使管道再启动时出现启动充装过程。
Junction with the compressed air pipe and the diameter and length increase, the pressure will drop.
随着压缩空气管和连接处的直径和长度的上升,压力将下降。
For branch network, initial flow and initial pressure drop are distributed, and initial pipe diameters are selected.
对枝状管网分配初始流量和初始压力降,从而初选管径。
In a word, the velocity of particle, the particle concentration and pressure drop of pipe are affected by character of particle, character of liquid and operating parameters of fluidized bed.
总之,颗粒性质、流体性质、流化床的操作参数对颗粒的浓度分布、速度分布及管路压降影响很大。
The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.
对与容器连通的进口管,要使用其通过阻断阀时的压力降。在确定这些压损时,必须要考虑进口管线和放空装置的上游线路。
The impact of powder particle flow of different R/D on the bend's pressure drop and pipe wall wear is also discussed.
并讨论了不同R/D的粉体颗粒流动对弯管压力降及管壁磨损的影响。
The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically.
对落煤过程中平壁煤仓及截面形状分别为矩形、圆形的落煤管起拱的影响因素进行理论研究。
Technological calculation in a hilly multiphase pipe flow includes flow pattern prediction , liquid holdup and pressure drop calculation and temperature prediction.
多相管路的工艺计算包括流型判别,持液率和压降、温降的计算。
The simulation results indicated that heat pipe diameter, pipe length, tube pitch and fin structure had influence on the efficiency and pressure drop of heat pipe exchanger.
模拟结果表明,热管的管径,管长,管间距和翅片结构均影响热管换热器的换热效率和压力降。
Full-Port ball valves provide pressure drop equal to equivalent length of pipe, and even slightly better than gate valves.
不缩径全流道球阀具有不影响整个管道压降的性能,在此方面,甚至比闸阀性能更加优异。
When no fluid is flowing through the pipe, the initial response is due to an ambient temperature drop and the valve begins to open.
当没有液体流经管路时,起初的反应是由于周围的温降和阀门打开时产生的。
The density, viscosity and heat capacity of waxy crude oil is changed along with the temperature drop and flow type and the flow patterns are different along the pipe during the design and operation.
含蜡热油管道在设计及实际运行过程中,油品密度、粘度、比热容沿程随温度变化,沿线流型与流态也不断变化,这些都是计算管道温降必须考虑的因素。
The vertical section of the exhaust pipe immediately following the sea water entrainment must be straight. Elbows or other changes in direction will cause the sea water to drop out of suspension.
排气管垂直部分如果要迅速带走海水则必须是直管,转弯或其他改变方向的管路将导致海水留存。
A drop-leg pipe connects the valves to the dead-headed diaphragm housing.
气体分流管将阀连接到滑封隔膜套。
The result is that the pressure drop is increased rather dramatically over single-phase flow and that the liquid tends to stack up in the pipe.
其结果是两相流管道的压降比单相流动有极大的增加,而且液体在管道内堆积。
CAST was informed yesterday from Wuhan, Wuhan, an invention of water-saving valve high school students, can not drop water heater outlet pipe in cold water.
昨日从武汉市科协获悉,武汉一高中生发明的节水阀,可使热水器出水管中不出一滴凉水。
If the water furring is too thick, heat-transfer performance will drop and the pipe may be blocked. So it's necessary to prevent the occurrence of furring.
若水垢积聚较厚,不但传热性能减弱,严重时甚至堵塞管道,因此,有必要预防和及时处理水垢的生成。
This paper discusses the relation between degree of vacuum and air flow in drop pipe when black liquor flow is constant.
本文叙述了当液体流量恒定时,水腿中(大气压管)吸入空气量与真空度的关系。
According to the experimental and theoretical analysis, equations have been presented to predict the pressure drop of a high density gas-solids mixture flow through a horizontal pipe and bend section.
根据实验结果和理论分析,本文提出了高浓度气固混合物在L阀中流动时的压力损失的计算公式。
According to the experimental and theoretical analysis, equations have been presented to predict the pressure drop of a high density gas-solids mixture flow through a horizontal pipe and bend section.
根据实验结果和理论分析,本文提出了高浓度气固混合物在L阀中流动时的压力损失的计算公式。
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