查询词典 vortex sheet

According to Straneo, the rapid changes to the ice sheet have taken glaciologists by surprise:"One of the possible mechanisms which we think may have triggered these changes is melting driven by changing ocean temperatures and currents at the margins of the ice sheet."

据斯特尼奥说，冰盖的迅速变化令冰川学家措手不及。&我们认为，可能引发这些变化的一个机理就是海洋气温的变化以及冰盖边缘的潮流。&

Glaciologists on the 18 April publish the first account of the "plumbing" of the Greenland ice sheet. It explains how meltwater that forms on top of the ice in summer reaches the base of the sheet and lubricates its flow into the sea.

冰河学家4月18日发布了第一份关于格陵兰岛冰原&渗水&的研究报告，解释了冰原表面的夏季融水是如何到达冰原底部，并充当了冰层滑入大海的润滑剂的。

VICO has made a large Sheet Coater for Vikram Sarabhai Space Centre, Trivandrum. It is used to coat 1.5meterx 2.5meter PolyImide Sheet which works as Heat Shield for the Satellite.

VICO为维克拉姆-萨拉巴航天中心生产了一大批薄板覆膜机，用于为1.5米*2.5米的聚酰亚胺板覆膜，该板是人造卫星的挡热板。

. It is necessary to cut the sheet 5 of Fresnel lens as the semi-finished product along the four cutting lines to remove the unwanted portions from the sheet 5 as described above.

第8条第。既要削减表5菲涅耳透镜作为半成品，沿线四个切割线，以消除有害的部分，从表五如上文所述。

The Vortex has a very direct and sharp turn.

漩涡有一个非常直接和锋利的轮。

According to the understanding of the flow characteristics, a mechanism of formation of vortex streets has been proposed to be the absolute instability of the wake, and several methods of flow control have been developed and shown successful.

根据表面流动及尾流特性的研究结果，从流动稳定性的角度提出了尾流中涡街产生的机理，在于尾流中存在着绝对不稳定的区域。基于对流动特性的理解，从改变流动稳定性的角度，寻求各种流动控制方法。试验结果表明这些方法是成功的。

On the forepart of the vortex, the fluid rotates adown and changes the speed type of ground, the inflexion whose position falls continuously appears, the sweep appears, and the inflexion is below the sweep.

其前部向下旋转的流体会造成当地速度型改变，形成拐点并导致拐点位置不断下降，出现下掠运动现象，速度型的拐点在下掠运动的下方。

The effects of magnitude and distribution of the electromagnetic force on the flow around the aerofoil were investigated. The results show that the electromagnetic force with large magnitude and concentrated distribution on the surface of aerofoil is advantageous to eliminate vortex structures and boundary separation, and therefore to increase the lift-drag ratio.

同时对不同电磁力大小和分布影响翼型表面边界层流动的规律进行了探讨，其结果表明，较大的电磁力和更加集中于翼型表面的电磁力分布可以很好地消除涡结构，抑制边界层分离进而达到提高升阻比的效果。

In the experiment, an accelerater is used as sensor to pick up the vibration signal of aerofoil, loudspeakers are used as vibration control sources, the aerodynamic load on the aerofoil is produced by the coupling of sound and vortex.

实验中采用加速度计作为传感器，拾取机翼振动的信号，用扬声器作为振动控制源，通过声—涡的耦合来产生作用在机翼上的气动载荷。

The flow field of cavity with fuel supply injection located at the forebody and afterbody in trapped vortex combustor was studied using particle image velocimetry testing technology.

采用PIV技术，对凹腔供油位置不同时凹腔内的冷态流场进行对比研究。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。