Both the ratio of friction velocity to free stream wind velocity and the thickness of airflow are subject to the sidewall effect, showing the increase trend with the decreasing aspect ratios.
随着风洞宽高比的减小,断面内中垂线上的气流摩阻速度与自由流速的比值以及受风洞边壁影响的气流厚度均增大。
The results show that the different CD moving paths have little effect on the strain paths of box sidewall and die corner, which have significant effect on punch corner.
研究表明不同可控拉深筋路径对盒形件侧壁和凹模圆角部位的应变路径影响不大,而对凸模圆角处的影响较为显著。
The influence of quadratic effect of ion-beam etching on pattern profile and the influence of ion-beam etching incidence Angle on slope of pattern sidewall are studied.
介绍了离子束刻蚀的二次效应对图形轮廓以及离子束刻蚀入射角对图形侧壁陡度的影响。
The effect of raw rubbers and anti degradants on the cracking property and appearance of black sidewall was investigated.
研究了生胶及防老剂对轮胎胎侧耐老化龟裂性能和外观的影响。
A full length recoverable resin metal bolt is a new bolt applied to the sidewall of the mining gateway in the mine with a good anchoring effect and recoverable advantage for reapplication.
全长可回收树脂金属锚杆是一种新型煤矿回采巷道帮用锚杆,具有锚固效果好、可回收复用的优点。
This paper presents an investigation on the side wall effect in two -dimensional transonic wind tunnel with sidewall boundary layer suction around the model.
本文对模型周围的侧壁附面层抽吸,研究跨音速二元风洞的侧壁干扰。
Meanwhile, the effect of adding titanium ore on hearth bottom maintenance is notable, but not obvious for the control of hearth sidewall erosion.
同时表明,加钛矿对维护炉底作用显著,而对控制侧壁侵蚀效果不大。
Meanwhile, the effect of adding titanium ore on hearth bottom maintenance is notable, but not obvious for the control of hearth sidewall erosion.
同时表明,加钛矿对维护炉底作用显著,而对控制侧壁侵蚀效果不大。
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