Friction drag is the major part of the total drag of a transport, so reducing it is essential for improving the performance and reducing the cost of a transport.
民机受到的摩阻占其总阻力很大比例,减少摩阻对改善民机性能和降低成本具有重要意义。
The results show that the shock standoff distance is increased and total drag coefficient and wall temperature are reduced with increasing external magnetic field.
结果表明,随着磁场的增强,激波脱体距离逐渐增加;总阻力系数和壁面温度逐渐减小。
Drag has a great impact on the lift-drag ratio, and the leading edge cut drag, which has only a two-dimensional effect, is one of the main sources of the total drag.
阻力对翼伞升阻比影响很大,前缘切口阻力是总阻力的主要来源之一,且是一种二维效应的阻力。
Abstract: Friction drag is the major part of the total drag of a transport, so reducing it is essential for improving the performance and reducing the cost of a transport.
摘要:摩擦阻力占民机总阻力的很大比例,减少摩阻对改善民机性能和降低成本具有重要意义。
The total drag and component of different internal drag were given through numerical investigation. The influence of inlet configurations to the internal drag was discussed.
以数值模拟为手段,给出了总阻力的大小及各项阻力的分配比例,并分析了进气道几何参数变化对阻力的影响关系。
The study shows that the total drags acting on a hollow block are affected by the porosity in the same flow condition , that is, the bigger the porosity is, the smaller the drag force is.
实验研究表明,对于不同的空心块体,在相同的水流条件下,受到的水平拖曳力随块体的空心率影响较大,呈现空心率越大,水流拖曳力越小的变化规律。
By doing integral computation on the wake surface that is down from the aircraft and vertical to the velocity of far field, it can get the lift, induced drag, wave drag and the total drag.
在飞行器所在流场的下游一垂直于来流速度的截面上进行积分计算,得到升力、诱导阻力、激波阻力和总阻力。
Dirk Van Vlaanderen of Jefferies, a bank, notes that buying Foster's will only drag the emerging-market share of SABMiller's revenues down from 80% to 70% of the total.
来自杰富瑞银行的德克•范佛兰德斯认为,收购福斯特公司,仅仅使得南非米勒在新兴市场的收入份额从占公司收入总额的80%将为70%。
Drag custid, total, and name from the Input panel to the row element in the Output panel.
把custid、total和name从Input面板拖放到Output面板中的row元素。
Both together will have a very small drag decrease in cruise as the wing drag is only a part of the total airplane drag (and my STOL designs are not very "clean"), and the stall speed will be higher.
双方共同努力将有一个非常小的阻力减少,在邮轮作为机翼阻力只是一个部分的总飞机拖曳(和我的stol设计是不是很“干净”),以及该档位的速度会更高。
The order of total slenderness ratios of the five trains is as same as that of aerodynamic drag coefficients.
计算得到的不同流线型列车的整体长细比大小排序与其气动阻力系数排序完全一致。
Households are borrowing less and saving more and that has acted as a drag on the overall economy by lowering consumer spending, which accounts for 70 percent of total economic activity.
家庭更是借贷,更多的储蓄,通过降低消费者花费使整体的经济受阻,消费者的花费占整个经济百分之70。
The performance of next generation maneuverable missile was predicted by taking into account its important parameters such as lift to drag ratio, empty weight to total weight ratio and effective load.
在考虑导弹空重、有效载荷和气动特性的情况下,预测了未来先进飞航导弹的性能。
The performance of next generation maneuverable missile was predicted by taking into account its important parameters such as lift to drag ratio, empty weight to total weight ratio and effective load.
在考虑导弹空重、有效载荷和气动特性的情况下,预测了未来先进飞航导弹的性能。
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