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- Near the midchord, the suction can provide a higher lift force for the airfoil. 吸气孔位置在翼面的中部附近增升效果较好;
- To lift forcefully from beneath; heaveupward. 从底下猛力地提起;向上提升。
- To lift forcefully from beneath;heave upward. 从底下猛力地提起;向上提升
- To lift forcefully from beneath; heave upward. 从底下猛力地提起;向上提升
- The calculation results demonstrate the effective eccentricity and the lifting force of the upper drill string are the major influential factors. 计算结果表明,有效偏心距和上部钻柱的提升力是影响近井口套管偏磨的主要因素。
- Some specific measure about reducing lifting force and yawing moment are advanced. 认为经典升力理论遗漏了一个决定升力的重要因素:流体的压强梯度。
- The paper introduces a new kind of vortex gas mass flowmeter, which can measure gas mass flow by testing the vortex frequency and the horizontal varying lifting force. 介绍了一种利用检测漩涡频率和横向变动升力的方法测量气体质量流量的漩涡式气体质量流量计。
- The two wall jets collide with each other and turn upward to form an upwash fountain which increases the lift force of the upper plate. 包围在喷射流与喷泉流附近的流体会被其带入而在周围形成数个涡流。
- Modern aircraft are so heavy that the wings must develop a very large lift force in order to sustain the aircraft. 现代的飞机很重,机翼必须产生很大的升力才能保持在空中飞行。
- An airfoil produces a lifting force that acts at right angles to the airstream and a dragging force that acts in the same direction as the airstream. 翼型产生升力的方向与气流成直角,阻力方向与气流方向相同。
- The curve diagram of cylinder lifting force varies following the lifting bar was draw, the mechanism?s movement was simulated. 本研究还绘制了油缸提升力随提升杆件角度变化的曲线图,机构模拟运动图,使设计的表达更为直观。
- Miter gate is widely used in lock engineering owing to its following advantages:less lifting force,simple structure, convenient operation,and so on. 因其具有启闭力小、构造简单、操作方便等优点,故在国内的船闸工程上得到了广泛的应用。
- The bigger the effective eccentricity, the higher the upper drill string's lifting force, the higher the positive pressure on casing/ drill string, and the more serious the wear. 有效偏心距越大,上部提升力越大,套管/柱之间的正压力将越大,磨损将越产重。
- The synchronistical measurement for marine pipeline lifting force and surrounding current field in wave field was carried out by introducing a PIV system method. 在波浪场中,利用PIV装置进行水平输油管线升力及其周围流场的同步测量。
- It shows that thermodynamic and heat transfer processes have significant influence on the static lift force and flight control of an airship. 分析表明,飞艇上升过程中的热力学和动态传热过程对飞艇的浮力和飞行控制有重要影响;
- The diffuser helps contain the lift force while the wing brings considerable downforce onto the rear axle to maintain aerodynamic flow and stability. 扩散器可以帮助控制升力的机翼上带来很大的压力,后轴保持空气流通和稳定。
- Since the lifting force, , is related to vorticity, a 3D numerical model incorporating large eddy simulation is applied to simulate the vorticity field in channel bend. 由于升力和涡度呈正向的相关,本研究使用三维的大涡紊流数值模式,模拟弯道中的涡度场,以瞭解升力的分布。
- This compensates backward movement of the lift forces as shockwaves develop. 这样补偿了当激波产生时升力向后的运动。
- The flapping wing when the drop, maintenance level condition: When rise, maintains the vertical condition, to this obtains the biggest vertical lifting force. 扑翼在下降时,保持水平的状态:在上升时,保持垂直的状态,以此得到最大的垂直的升力。
- However,erroneous length of the slings is always found in practical works,causing non-ignorable effect on the lift force of the slings and the bending moment of the piles. 实际工程中各吊索间长度总是存在偏差,因此会给吊索的吊力和桩身弯矩带来不容忽视的影响。