高速列车的气动外形主要是头部的气动外形。
Aerodynamic contour of high speed train mainly means its nose shape.
弹丸的气动外形对其外弹道性能有重要的影响。
The aerodynamic shape of projectiles strongly influences their performance on ballistic trajectory.
本文研究确定再入飞行器的最小总加热量气动外形问题。
This paper deals with the problem of determining the aerodynamic shape of a reentry vehicle with minimum total trajectory heat transfer.
所研究的气动外形为带控制舵飞行器和可变弯体飞行器。
The chosen vehicles are a blunt bi cone with cruciform flaps and a variable bent axis vehicle.
为了减小空气阻力,列车车厢气动外形的研究变得愈加重要。
To decrease aerodynamic drag, it is important to improve aerodynamic contour of train.
采用理论与实验相结合的方法进行了滑翔子弹的气动外形设计。
The idea of aerodynamic design for an unguided glider submissile is introduced. Wind tunnel experimental results indicate that the tail raiser plays the role of causing a submissile to glide.
变域变分是一种处理未知界面的独特工具,极适合于气动外形的设计求解。
The variable-domain variation is a specific tool of handling unknown boundaries and suitable for designing airfoil shape.
对飞行器及其部件进行气动力数值模拟时,气动外形常常是以离散数据形式给出。
When aerodynamic numerical simulation for flight vehicle and its components is conducted, the aerodynamic shape is generally given in the manner of discrete data.
提出了基于代理模型的两步优化方法,用于翼型在黏性流场中气动外形的优化设计。
This article presents a two-step optimization based on a surrogate model for the aerodynamic shape optimization in a viscous flow.
实现机翼在不同的飞行状态下的最优气动外形是变弯度自适应机翼的一项关键技术。
Making aircraft wing vary under different flying speeds is a key technology of variable camber adaptive wing.
在气动外形优化中,采用近似模型管理结构(amf)方法,对变可信度模型进行组织和管理。
For aerodynamic shape optimization, the approximation management framework (AMF) method was used to organize and manage the variable-fidelity models.
叶片的气动外形决定风轮的转换效率,因而叶片外形设计在风力机设计中占有举足轻重的地位。
Conversion efficiency of wind turbine is determined by blade shape which occupies a decisive position in the wind turbine design.
针对高空长航时无人机族气动外形优化问题,通过借鉴多学科优化中的二级优化和代理模型方法。
A two-level aerodynamic optimization method based on surrogate models is proposed for aerodynamic optimization of high altitude long endurance UAV family configuration design.
飞机的气动特性是影响飞机性能的一项重要指标,气动外形设计是飞行器设计过程最重要的方面之一。
In aircraft design aerodynamic characteristic is an important aspect that affecting aircraft performance. Aerodynamic configuration is one of the most important aspects of aircraft design.
为了提高数值计算效率和准确性,提出了基于多级响应面法的确定翼梢小翼气动外形参数的一种优化方法。
In order to improve the efficiency and accuracy of the numerical calculation for the aerodynamic design of winglets, an optimization method based on multi-level response surfaces is proposed.
试验结果表明该优化设计方法是十分有效的,可以用来对具有正常布局形式的飞机进行气动外形的优化设计。
The paper introduces aerodynamic configuration optimization design of lower Reynold number aeroplane using genetic algorithm, and makes prototypes to test feasibility and correctness of design.
采用单学科优化和多学科优化相结合的方法对常规气动布局进行了气动外形优化,并比较分析了单、多学科的优化结果,得出重要结论。
The aerodynamic figuration of the normal MAV configuration was optimized applying the method of the combinative of single and multidisciplinary design optimization.
Astrium公司已经对Romeo火箭引擎进行了相应的改造工作,以驱动飞船爬升至太空,并且风道测试已经证实了气动外形。公司很快将会开始火箭发动机测试。
Astrium has done considerable work already on the Romeo rocket engine that would power the climb to space, and wind tunnel testing has proven the aerodynamic shape.
然而,它们的用途一直被限制于一些项目,如改善汽车身体、飞机机身与羽翼的空气动力学的外形,直到最近才有了新的内容。
Until recently, however, their use has been confined to projects such as refining the aerodynamic profiles of car bodies, aircraft fuselages and wings.
如果你开着窗,根据车辆空气动力学的外形,你的车受的阻力较少。
If you keep your Windows up your car will be subject to less drag, which improves the aerodynamic profile of the vehicle.
全翼概念是[雷玛·霍顿〔ReimarHorten〕]的宝贝。他设计的外形是为了满足空气动力学的缘故- - -在二战结束之前他根本从未提过雷达。
The all-wing concept was [Reimar Horten's] baby, and he designed the shape for aerodynamic reasons-he never started talking about radar until after the war.
这些优势有助于优化大翼外形并减少气动凸表,从而减小阻力并提高飞机的性能。
This also optimizes wing shape and reduces the potential need for bulging aerodynamic surfaces, which in turn reduces drag and increases airplane performance.
和它的同胞一样,SolarEagle(太阳鹰)也有着奇怪的外形,但是这主要是因为它那400英尺(121.92 米)的飞翼,用来获得更多的太阳能以及更好的空气动力学上的性能。
Like its brethren, SolarEagle is a bit odd-looking, but that is mostly because its 400-foot wing is designed to increase solar power and aerodynamic performance.
本文阐述了高速列车动车轻型化及具有良好气动性能流线化外形的重要意义。
This paper deals with the significance of the, lightening of high-speed motorized unit and its streamlined contour with excellent aerodynamic performance.
先进战斗机除了具有优良的气动特性外,隐身性能也已经成为其外形设计的重要因素。
For advanced tactical fighter, besides excellent aerodynamic performance, stealthy performance is an important factor for aircraft configuration design.
为了提高该无人机的隐身性能,本文还作了无人机外形的改进设计,并进一步作气动和隐身性能分析。
For improving the stealth performance, the configuration of the tailless UAV was ameliorated, and then the aerodynamics and stealth performance was analyzed.
探讨了利用诱饵突防的措施、诱饵的外形设计原则及气动布局形式。
The measures using decoy penetration, the Configuration design principle of the decoy and its aerodynamic arrangement form are mainly discussed.
探讨了利用诱饵突防的措施、诱饵的外形设计原则及气动布局形式。
The measures using decoy penetration, the Configuration design principle of the decoy and its aerodynamic arrangement form are mainly discussed.
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