Impingement heat transfer from the rib roughened surface within 2 dimensional arrays of circular jet has been experimentally investigated.
实验研究了二维圆射流阵列冲击肋粗糙表面换热。
Instead of using wings, the coleopter employed a circular extension serving as the outer part of the jet engine while helping the aircraft achieve level flight, as well as vertical ascent and landing.
环翼机没有尾翼，而是采用一个延伸的圆形作为外部引擎，帮助飞机完成水平飞行和垂直起飞降落。
The heavier cloud cover to the north and west of this circular pattern was likely a response to a low-pressure system and to jet stream dynamics.
圆形的云型中，北部和西部云量更多，这可能是由于低压系统和急流的作用。
Cost Effective Operation. This equipment saves more than 30% energy than pulse jet circular baghouse as it does not need air compressors.
运行费用低。本设备更节能，不需要空压机等气源供给设备，比脉冲反吹圆布袋除尘器节能30%以上。
Both the velocity of the sound-excited jet flow at a small circular orifice and the nonlinear impedance of the orifice are measured at high sound intensity.
在高声强下测量了微圆孔处声激发射流的速度和微圆孔的非线性声阻抗。
The jet is controlled by a circular vortex chamber, and self exited oscillation occurs due to a pressure difference between the left and right parts of vortex chamber.
该装置利用环形涡腔对射流进行控制，利用涡腔的左、右腔的压力差产生自激振荡。
Detailed mean flow and turbulence measurements of a turbulent air slot jet impinging semi-circular convex surface were experimentally investigated.
实验研究了狭缝射流撞击圆柱表面后壁面射流区的平均流动和湍流特性。
Dual-jet is a new kind of high efficient jet, which is formed by combining round straight jet with circular conical swirling jet.
双射流是由中心直射流和同轴的环形旋转射流形成的一种新型高效射流，用双射流能够克服门限压力与高破岩比能的制约而高效破岩。
The study showed that when length of circular column part is 2.5 ~ 3.0 times outlet diameter, abrasive particle velocity near to 95% velocity of water-jet.
研究表明，当喷嘴的圆柱段长度是喷嘴出口直径的2 5 ~ 3 0倍时，粒子的速度能达到水射流速度的95%。
The study showed that when length of circular column part is 2.5 ~ 3.0 times outlet diameter, abrasive particle velocity near to 95% velocity of water-jet.
研究表明，当喷嘴的圆柱段长度是喷嘴出口直径的2 5 ~ 3 0倍时，粒子的速度能达到水射流速度的95%。
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