For a typical rocket,results of calculation reveals that Magnus effect is benefit to static stability and significant affect to dynamic instability for spinning rocket;Also,spin rate coupling with structural damping ratio and other structural parameters have a significant influence in aeroelastic dynamic instability for spinning rocket.
以某典型火箭弹为算例,计算结果表明:马格努斯效应对旋转火箭弹静稳定性有有利的影响,对动稳定性影响显著;旋转速率与结构阻尼及其他结构参数对气动弹性动态稳定性影响也比较显著。
Study and Develop on the High-speed Multi-channels Rotary Joint;
多通道高速旋转接头的开发和研究
Orthogonal test was performed to determine the laser phase-transformation hardening process suitable for a rotary joint made of 35CrMo alloy,which was aiming at increasing the wear-resistance of the rotary joint.
为了提高35CrMo旋转接头的耐磨性,采用正交试验法研究了35CrMo旋转接头激光相变硬化适合的工艺方法和参数,获得的优化工艺参数为激光功率P=1500W,光斑直径D=3。
Arrow pointing left and right. Flip or rotate the arrow to change its direction.
左右双向箭头。翻转或旋转箭头可更改其方向。
Arrow pointing right. Flip or rotate the arrow to change its direction.
向右箭头。翻转或旋转箭头可更改其方向。
Arrow pointing right, with one open end. Flip or rotate the arrow to change its direction.
向右箭头,一端开放。翻转或旋转箭头可更改其方向。
Turn the lens in the direction shown by the arrow until it clicks into place
按箭头方向旋转镜头直到听见咔嗒声。
Shaft with curved arrow showing direction of rotation.
带指示旋转方向的弯曲箭头的轴。
One-way sign with arrow pointing left. Flip or rotate the shape to change arrow direction.
带有左箭头的单行标志。翻转或旋转该形状,可更改箭头方向。
The rotation direction of impeller is based on the direction indicated by rotation arrow.
叶轮旋转方向,以转向箭头所示方向为准。
Rotate the cap with your hand lightly in the direction as indicated by the arrow.
用手轻轻转动,使盖子沿箭头?方向快速旋转。
3-D one-way street sign. Flip or rotate the shape to change arrow direction.
三维单行街道标志。翻转或旋转图形,以更改箭头方向。
Drag onto the page, then drag the round rotation handle to change arrow direction.
拖到绘图页上,然后拖动圆形旋转手柄更改箭头方向。
Drag onto the page, then drag the round rotation handle to change arrow directions.
拖到绘图页上,然后拖动圆形旋转手柄,可更改箭头方向。
Information sign with an arrow. Rotate or flip to change direction. Select and type to change text.
带箭头的信息标志。通过旋转或翻转可更改方向。通过选择和键入可更改文本。
Drag onto the page. Drag round rotation handle to change arrow direction; yellow diamond to resize line ends.
拖到绘图页上。拖动圆形旋转手柄可更改箭头方向;拖动黄色菱形可调整线端的大小。
rotary file assortment set
成套圆头尖头旋转锉
Numerical Investigation of Flow Field in Spinning Solid Rocket Motor;
旋转固体火箭发动机内流场数值研究
Rotating cavitation of the high-speed rotational inducer of LPRE
液体火箭发动机高转速诱导轮旋转空化
Design and Analysis of a High-Speed Spinning Test Platform for Solid Rocket Motor
某火箭发动机高速旋转试车台旋转架一体化设计与分析
Fig.6 showing the secondary thickening between the gyres of the helix( arrow).
图6示次生壁物质在螺旋构架之间的填充(箭头)。