Many scientists think our solar system formed from a giant, rotating cloud of gas and dust known as the solar nebula.
许多科学家认为太阳和太阳系的其他部分是由一团称为“太阳星云”的巨大的旋转着的气体和尘埃星云形成来的。
Most of that gas flows inward and adds to the mass of the forming star, but the gas is rotating. The centrifugal force from that prevents some of the gas from reaching the forming star.
大多数气体向里流动,增加正在形成的恒星的质量,但这些气体一直在旋转。
Criterion for gas flow pressure loss is presented for rotating liquid film heat and mass transfer device.
提出了旋转液膜气液传热传质设备的气体压力损失的准则关系式。
The over-running test rig is applied to evaluate the high-speed rotating performance of the disk on the gas turbine.
本文中的超速试验台,是用来考核船舶用燃气轮机轮盘高速旋转性能的。
The characteristic of mass transfer in absorption of soluble gas is studied in the rotating packed bed.
利用离心传质分离装置—旋转填料床,对易溶气体吸收过程的传质性能进行了实验研究。
In this paper, the gas pressure drop of a cross-flow rotating packed bed is studied based on air-water system.
笔者利用空气水系统对错流旋转填料床的气相压降进行实验研究。
Dividing the rotating packed bed into different parts, this paper presents a set of experimental measurements and modeling of gas pressure drop based on air water system.
利用空气水系统对旋转填充床的气相压降进行分段模型化和实验研究。
It is a rotating system of gas and stars, similar to our own galaxy, the Milky Way.
它是由气体和星体构成的旋转系统,和我们的银河系非常相象。
In order to divide the space between rotating parts and quiescent parts in micro gas turbine, the labyrinth seals are used to decrease the leakage loss.
为了将旋转部件与静止部件之间不同压力的空间隔开,微燃机中采用了气封装置以减少泄流量。
The volumetric mass-transfer coefficient in packing increases with gas flow rate and rotating speed raises. Liquid flow rate and concentration of SO2 in inlet gas influences less on it.
转速和气体流量对旋转床填料层内的体积传质系数影响较大,流体流量和气相中二氧化硫浓度影响不大。
Water and gas are delivered, and sewage removed, via vertical steel pipes in the non-rotating base.
自来水和天然气的传递,污水的排放,都是通过一个在非。
It is shown that the model can properly simulate the performance of single-spool gas generator even in the states of off-design rotating speed and small flux.
结果表明:该模型能够模拟单轴燃气发生器的性能,并能实现非设计转速小流量工况下的性能仿真。
At the same rotating speed and eccentricity ratio, the slip effect reduce the gas pressure curvature and hence the load carrying capacity.
在相同的转速和偏心率下,滑移流效应降低了气压分布的曲率,进而降低了气浮轴承所能够提供的承载能力。
To separate the liquid and gas phase, the separator makes use of the difference in density between them, and takes advantage of ESP high speed rotating, which used to power a separating device.
液气分离器就是充分利用电泵机组的高转速、气体和液体之间悬殊的密度差异进行液气离心分离。
Spiral-Groove gas seals work by maintaining a narrow clearance between the rotating and stationary rings. The finited element method is used to solve Renolds equation of the gas.
分析了螺旋槽气体密封间隙内的气体运动并建立了雷诺方程,将用有限元素法对该方程求解所得的结果与有关文献中的结论进行了比较;
Three spacewalks are planned during Discovery's 14-day flight, to install Kibo, replace an empty nitrogen-gas tank and try out various cleaning methods on a clogged solar-wing rotating joint.
在14天的飞行中将计划安排三次太空行走。分别是:安装Kibo实验室、替换一只空氮气箱以及在一个尝试各种方法清理被卡住的太阳能电池翼旋转关节。
The effects of gas flow rate and rotating speed on the fluid field, local void fraction distribution and bubble size distribution were investigated.
考察了不同通气量和操作转速下气液搅拌槽内流体流动,局部气含率和气泡尺寸的分布规律。
The centrifugal force. That is larger far than gravity makes gas-liquid contact turbulently in the rotating bed, which intensifies mass-transfer process and improves mass-transfer efficiency.
它利用旋转产生的远大于重力的离心力,使气液在高度湍流下接触,强化传质过程,提高传质效率。
Based on the technology of rotating impeller DE gassing in aluminum alloy melt, the effect of pulse gas current on the gas bubble size by studied with the water modeling method.
在铝合金熔体净化旋转喷吹技术的基础上,采用水力模拟实验研究了脉冲进气方式对气泡大小的影响。
Based on real "back to back" small gas turbine, using similarity criterion, a non-rotating model experiment rig, together with hardware and software test system, is built.
本文以真实“背靠背”小燃机为模型,以相似准则为基准,自行设计了非转模型实验台,并且搭建了实验台软硬件测试系统。
The rotating valve is connected respectively to four hydraulic lock through two throttling governors which are connected respectively with the four oil and gas springs.
转阀通过两个节流调整器分别与四个液压锁相通,该四个液压锁分别与相应的四个油气弹簧相连接。
Labyrinth seal is widely applied at rotating machinery unit, its simple structure is one of main factors induce gas flow-induced vibration.
梳齿密封是当前应用最广泛的密封形式,其简单的结构也是诱发机组汽流激振主要因素之一。
A Marine gas turbine is characterized with high power, high temperature, high rotating speed and high efficiency, as well as size and weight restricted by strict rules.
船舶燃气轮机的特点为功率大、燃气温度高、转速高、效率高,同时对尺寸、重量有严格的要求。
A Marine gas turbine is characterized with high power, high temperature, high rotating speed and high efficiency, as well as size and weight restricted by strict rules.
船舶燃气轮机的特点为功率大、燃气温度高、转速高、效率高,同时对尺寸、重量有严格的要求。
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