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This paper briefly introduces constitutes and application of numerical simulation analysis system of gas dynamic performance for marine turbine s inlet valve box .

概要介绍了船用汽轮机进汽阀箱气动性能的数值模拟分析系统的构成及其应用。

In the operation, many factors have influences on vacuum degree of condenser, among which the main factors are: inlet temperature of cooling water, flow rate of cooling water, tube bundle surface cleanness of condenser and vacuum system tightness, etc.

在运行中，影响凝汽器真空度的因数很多，其中主要有：冷却水进水温度、冷却水的流量、凝汽器管束表面的清洁状况，以及真空系统的严密性等。

By the measurements of inlet temperature, outlet temperature, ambient temperature and solar irradiance on aperture plane per unit area the characteristic parameters of the transfer function can be obtained.

在改进后的模型中，将集热器看作是一个系统，集热器的出口温度是系统的输出，其余变量：集热器进口温度、环境空气温度和落在集热器采光面上的太阳辐照度看作是系统的输入。

In the model the collector is regard as a system, the outlet temperature is the system output, the other variables: the inlet temperature, the ambient temperature and the solar irradiance on aperture plane per unit area are the system inputs.

中文摘要本文以U型管全玻璃真空管太阳集热器为研究对象，在分析太阳集热器传热机理和管内流体温度分布情况的基础上，根据能量平衡和传递函数理论，对侯宏娟的集热器动态测试方法的数学模型进行改进。

The special characteristics of kinetic energy and momentum of horizontal rotary cavity flow in internal dissipating tunnel with an inlet shaft are analyzed.

研究了水平旋转内消能泄水道空腔环流特有的能动量特性。

In this paper,mathematical expressions of some swirl characteristic s of typical level hollow swirling flow in inner dissipation discharge tunnel with inlet shaft have been put forward under velocity distribution supposition.

试验观测结果表明，相对于起始断面的各种旋流特性具有明显的分段性质和沿程衰减的特性；下游水位对空腔环流的旋流特性有显著的影响。

This is a correlative report of "Wall pressure distribution of the horizontal vortex and inner energy dissipating tunnel with an inlet shaft" published earlier.

本文为&竖井进流水平旋转内消能泄水道的壁面压力分布&一文的相关篇。

It will be a new energy dissipation way that using division tunnel as a discharge tunnel——level swirling internal energy dissipation discharge tunnel with shaft inlet, now more and more researcher give attention to it.

作为一种新的泄洪消能方式——竖井进流水平旋流内消能工成为目前越来越多专家学者的关注、研究热点。

Base on experimental data, studies on discharge characterisitics of inner energy dissipating tunnel with inlet shaft and horizontal vortex, were systematically carried out. The flow pattern and relevant parameters were analyzed.

本文从分析竖井进流水平旋转内消能泄水道的流态及影响因素出发，根据试验资料对其泄量特性进行了系统地分析与研究。

Beginning with the analysis of the basic flow pattern and discharge characteristics of the horizontal vortex and inner energy dissipating tunnel with inlet shaft, the expressions of velocity distributions in the tunnel have been supposed and established.

本文从分析图 1所示的竖井进流水平旋转内消能泄水道的基本流态与泄流量变化规律出发，对该种泄水道的流速分布提出假定，并给出具体表达形式。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。