Measuring the motion of spherical ceramic particles in a vertical duct by PIV to provide theory for the process of heat exchanging in the down flow tube reactor. 利用PIV技术对陶瓷球颗粒在竖直管内的流动进行测量,为下降管中流动混合过程热交换规律的研究提供理论支持。
In accordance with the present invention, the period of oscillation of a flow tube is measured as a material of a known density flow through the flow tube. 按照本发明,测量当已知密度的物质流过流量管时流量管的振动周期。
Spool for one or more flow control tube only. 阀芯为一只或多只流量控制筒。
If too much solder is use, it may flow past tube and clog seating area. 如果采用太多的焊料,则焊料可能流过管道并阻塞密封区域。
The other end of the second flow limiting tube connects with the midpoint shunt valve. 第二限流管的另一端与中点分流阀连接。
The first flow limiting tube lies between the central cutting valve and the midpoint flow restrictor and connects with the monitoring detector through the transmission line. 第一限流管在中心切割阀和中点限流器之间,且通过传输线连有监视检测器;
And the effect of7 different kinds of flow tube number arrangement on multi-unit parallel-flow condenser was studied. 同时,对多元平行流冷凝器7种不同的各流程管数分配方案进行了模拟比较。
The Dall flow tube is an empirical design with an extremely high pressure head recovery. Dall流量管是具有特别高的压头补偿的实验装置。
The first flow limiting tube, the midpoint press and a cold trap are connected to the midpoint flow restrictor. 中点限流器上还接有第一限流管、中点压路和冷阱;
The conventional method of heat transfer enhancement for turbulent flow in tube is to increase the heat transfer area, but it will increase the pressure drop across the tube significantly. 管内湍流强化传热方法一般是增加壁面换热面积,但这会显著提高管内流动阻力。
The period of oscillation is used in an equation derived from an equation used to calculate the density of material flowing through the flow tube to find a result. 一个方程中利用振动周期得到一个结果,所说的方程是从用来计算流过流量管的物质的密度的方程导出来的。
To derive the Bernoulli equation, we apply the work-energy theory to the fluid in a section of a flow tube. 我们应用功能原理来导出流体在一段流管流动的伯努利方程。
Analysis of Petrol and Diesel Vapor Using Selective Ion Flow Tube/ Mass Spectrometry 用选择离子流动管质谱测定汽油和柴油蒸汽成分
The Selected Ion Flow Tube Mass Spectrometry and Its Applications to Trace Gas Analysis 选择离子流动管质谱及其在痕量气体分析中的应用
An experimental research on the performance of a small flow vortex tube is introduced. 本文用实验方法研究了小流量涡流管制冷的特性。
Discusses that gas purification technique exists disadvantage of investment hight and technique result is not good by adopting up flow tube cooler to primary cool gas and wash to naphthalene by diesel oil. 论述了煤气净化工艺采用立管冷却器初冷煤气和轻柴油洗萘脱除萘存在投入高、工艺效果差的弊端。
Experimental study on heat transfer for gas flow across tube bundle in circular shell 气流横向冲刷圆壳管束的传热实验研究
The technology can be used to test by penetrating oil tube and casing with no restriction on the flow direction and tube flow or flow across tube. 该技术可以穿透油管和套管进行测试,且不受流体流动方向、管内或管外流动的限制;
Study and Practice of Numerical Simulation of Gas-solid Multiphase Flow in Tube(ⅱ) 管内气固多相流动数值模拟方法的研究与实践(Ⅱ)
The Characteristic of two-phase fluid flashing flow in tube is analysed in this paper by means of numerical calculation. 本文采用数值计算方法分析了扩容两相流动的管流特性。
The working-point variation of the fan of the down flow tube reactor of biomass pyrolysis for bio-oil 下降管式生物质热解液化装置风网中风机工作点的变化
At certain concentration and Doppler gain level, Doppler power imaging of moving scatterers in a flow tube was obtained with standardized setting. 应用标准预设的超声Doppler能量图测定体外模拟循环系统管道内流体的Doppler散射能量,观察一定液体浓度及Doppler增益水平时管道横截面上Doppler能量信号变化。
The results about selected ion flow tube/ mass spectrometry ( SIFT/ MS) study of the different compounds in petrol and diesel vapors using H3O+, NO+ as the precursor ions are reported. 采用选择离子流动管质谱(SIFT/MS)装置,以H3O+、NO+为初始离子对汽油和柴油蒸汽进行了研究,质谱分析表明,汽油和柴油主要由C-H化合物组成。
Analysis of Exhaust Gas from a Car Using Selected Ion Flow Tube Mass Spectrometry 选择离子流动管质谱对汽车尾气成分的分析
Study on the Heat Transfer Enhancement of Two-Phase Flow Elevation Tube in LiBr Chiller with Hot Water Source 热水型LiBr制冷机中两相流提升管的强化传热研究
Experimental study on cooling system of small flow vortex tube with humidifier at the hot end 小流量涡流管热端加湿制冷系统实验研究
The correlation equation between the Nusselt number of heat transfer and the field parameters is derived when gas flow through tube bundles in transverse direction, and the Field Coordination Principle is analyzed and validated by numerical simulation. 对气流横向冲刷管束换热这种比较复杂的流动形式,推导出了气流横向冲刷管束换热时的传热努塞尔数与场参数的关系表达式,用数值模拟的方法对场协同原理进行了分析与验证。
Using this process principles, the down flow tube reactor was developed which heated by ceramic balls solid heat carrier was developed for biomass pyrolysis. 利用该工艺原理,研发了以陶瓷球为固体热载体加热下降管式生物质快速热解液化反应装置。
This chapter focus on the measurement and result of the temperature profiles along the centerline of the flow tube as well as the optimization of the time-of-flight mass spectrometer. 其中重点介绍了流动管反应器内部温度变化曲线的测量和结果,以及对飞行时间质谱的改造和优化结果。
This paper mainly studied by single-tube experiment of the cold film Multiple cold membrane experiments, multiple hot-film experiments on falling film flow tube falling film evaporator heat transfer performance. 本文主要通过单管冷模实验、多管冷模实验、多管热模实验对管内降膜流动及降膜蒸发传热性能进行研究。