话题要从原始星系的旋涡气体和尘埃形成的一个局部涡流说起。
The story begins with a local eddy in the swirling gas and dust of the primordial galaxy.
轴向旋涡流是离心叶轮内特殊的流动现象，它的速度分布规律与叶轮特性关系密切。
Relative eddy is a special flow phenomenon, occurring within centrifugal impeller passage. Its speed distribution is closely related to impeller characteristics.
采用差分方法计算旋涡流场，进而分析三角翼上前缘分离涡的运动特点及其破碎机理。
The vortex flow field is calculated with difference methods, and the motion characteristics and the bursting mechanism of the leading-edge separated vortices of delta wing are analyzed.
论文第六章对旋进旋涡流量计的流体振动特性进行实验研究。
The sixth chapter made an experiment study upon the fluid oscillation characteristics of vortex precession flowmeter.
固定在壳体出口段，其作用是消除旋涡流，以减小对下游仪表性能的影响。
It is fixed at exit section of the shell to reduce whirling current and thus reduce compact on the performance of instruments of lower reaches.
基于旋涡流体振荡原理的流量计主要有两种：涡街流量计和旋进旋涡流量计。
There are two kinds of vortex type oscillatory flowmeter: vortex flowmeter and vortex precession flowmeter.
轴向旋涡流动是离心叶轮叶片之间一种特殊的相对流动，其流动规律是离心叶轮正反问题研究的重要基础。
Relative eddy is a special relative flow within centrifugal blade passage, which is of prime importance in flow study of pumps.
可应用于风洞试验中测量空气旋涡流场参量。
It can be applied to measure the parameters of the air vortex flow field in wind tunnel test.
涡轮流量计与旋涡流量计的流量系数随被测流体的物理性质变化而变化。基于这个原因，在流量计投入使用之前，应测取实际的流量系数。
The flow coefficients of Turbine Flow Meter and Votex Flow Meter will vary as the physical characteristics of the measured fluid change.
本文提出了确定气动窗口所需自由旋涡气动特性的过程，讨论了特征线方法在非对称超音速喷管设计中的应用，该喷管被用来产生自由旋涡流动。
In this article the procedures are described for determining free vortex segment properties. Characteristics method is used to design nozzle which produces free vortex segment.
智能旋进旋涡流量计是我公司开发研制的具有国内领先水平的新型气体流量仪表。
Intelligent Vortex precession flowmeter developed by our company is a new flow instrument at the leading level in our country.
本机是根据水力旋涡原理设计而成，比单涡流碎浆机节电40%以上。
The equipment is according to the water power whirlpool principle design, compares with the single whirlpool pulper . It will save electricity above 40%.
论文第五章介绍了旋进旋涡流量计的有理和结构，阐述该流量计的经典理论，分析了经典理论的局限性。
The fifth chapter at first generally introduced principle and structure of vortex precession flowmeter, expanded on the classical theory of vortex precession flowmeter, and discussed its limits.
航空预报员说，太磁暴的旋涡流将一直持续到下周。
Continued turbulence on the sun remains a concern for the next week, space forecasters say.
旋进旋涡流量计是一种新型的速度式流量计，已广泛应用于工业现场中的气体、蒸汽的流量测量。
Swirlmeter is a new kind of velocity flow meter which has been widely used in industry for gas and stream flow measurement.
旋进旋涡流量计是一种新型的速度式流量计，已广泛应用于工业现场中的气体、蒸汽的流量测量。
Swirlmeter is a new kind of velocity flow meter which has been widely used in industry for gas and stream flow measurement.
应用推荐