1.Abstract: This paper introduces briefly the control principle of trajactory correction technique and analyzes the structures and application areas of several typical trajectory correction mechanisms such as paddle type ring and D-ring etc.Moreover,it makes the aerodynamics simulation and dynamics simulation of trajectory correction mechanism as paddle type damping ring.The simulation result proves the correctness and feasibility of the design.
文摘:简要介绍了弹道修正技术的控制原理;分析了桨式、D型环等几种典型弹道修正装置的结构特点和应用范围;并对其中的桨式阻尼环弹道修正装置分别进行了空气动力学仿真和运动学仿真,验证了设计的可行性和正确性。
2.Through determination and calculation,the power curves (NP-Re curve) and mixing efficiency ( WV ) were obtained for each agitator in the two combinations of the combined-type double shafted dissimilar agitators ( or the combined-type agitator system ) , i.e., the toothed Plate-anchor, and the toothed plate-45 frame paddle with variable speeds, and compared with those of the toothed plate,anchor,and 45 frame paddle(single agitators), respectively.
本研究测定了齿盘(偏置)式、锚式、45°框桨式三种搅拌器和齿盘-锚式、齿盘-45°框桨式两种双轴异奖变速组合型搅拌器的功率(N~p~Re)曲线和它们在操作流域(以单桨计算,Re=63—600)内的混合效率。
3.Used by the two are paddle-paddle.
所用的划桨两头均有桨片。
4.Paddle feeder is used in bottom-gapped coalbunker in coal-fired power plant to feed coal onto the belt conveyor in fixed quantity continuously and evenly with the rotation of the paddle and traveling of the machine.
叶轮给煤机用于火力电站缝式煤沟,通过叶轮的旋转和车体的纵向移动,把原煤定量、均匀、连续地拨到输煤带上。
5.The padding of the paddle is too thin.
这个球拍的球面太薄了.
6.Canoeing is a narrow hull vessels rely on the use of a paddle or more forward.
皮划艇是一种船身狭小的船只,靠一个或多人使用划桨前进。
7.Test of Model JH axial flow stirring paddle.
JH型轴流式搅拌桨的试验研究
8.a paddle on the lake
在湖上划桨
9.Suppose this is the flight path of the ball.I retreat to a position far behind the table.The ball has just fallen.I start with the paddle well above and behind the ball.
假设这是球的飞行路线,我退到离球台很远的地方,球正好落下来,我向球的后上方引拍。
10.large evergreen arborescent herb having huge paddle-shaped leaves and bearing inedible fruit that resemble bananas but edible young flower shoots; sometimes placed in genus Musa.
常青的巨大树状草本植物,有巨大的桨状叶子,果实像香蕉但不可食;通常归入Musa属。