speed of pumping

  • 释义

    抽气速度

数据更新时间:2026-08-21 20:58:52
1、

In the case of roughing pump, it pumping speed is 25 1/ sec in Bevies; its pressure is less than 15 torr and its power remains 4 kw.

作为粗真空泵,串联时抽速为25升/秒,压强<15托,功率4千瓦;

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2、

DESIGN AND EXPERIMENT OF HIGH SPECIFIC SPEED VOLUTE MIXED FLOW PUMP Measurement of Hydraulic Losses in Volute Casing of a Reversible Pump-Turbine under Pumping Mode

高比转数蜗壳式混流泵的设计与研究混流可逆式水泵-水轮机泵工况蜗壳损失试验研究

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3、

Relationship between pumping speed of oil diffusion pump and gases pumped

油扩散泵抽气速率与被抽气体的关系

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4、

Taking account of motor speed fluctuations, an equivalent mechanical model of rod pumping system is established.

考虑电动机转速的波动, 建立了有杆抽油系统的等效驱动力学模型.

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5、

It is found that the pumping speed and the com-pression ratio will saturate as the blade speed approaches the average thermal velocity of the gas molecules.

当叶片速度接近被抽气体分子的热运动速度时,泵的抽速和压缩比将趋向饱和,即进一步增加叶片速度时,泵的抽速和压缩比均不可能有显著增加。

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6、

Introduces the newly developed K-800A HV oil diffusion pump for its design of broadened range of pumping speed, increased critical backing pressure and reduced backstreaming rate.

介绍了新研制的高真空油扩散泵在拓宽抽气速率范围、提高临界前级压力、降低返油率方面的创新设计。

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