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aerodynamic characteristics是什么意思,aerodynamic characteristics的意思翻译、用法、同义词、例句

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常用词典

  • [航] 气动特性;[航] 空气动力特性;风轮空气动力特性

  • 例句

  • The aerodynamic characteristics of airfoils include Reynolds number, boundary layer, roughness, turbulence and angle of attack, etc.

    影响翼型气动性能的空气动力特性有雷诺数、边界层、粗糙度、湍流度和攻角等。

  • One of the main works to development ram air parawing with high performance is to research its aerodynamic characteristics, and the wind tunnel test technique is usually been taken.

    翼型伞空气动力特性研究是研制高性能翼型伞的一个重要内容,而风洞试验是翼型伞气动性能研究的主要手段之一。

  • In this paper aerodynamic characteristics of maneuvering reentry vehicle of cruciform configuration and bifurcate configuration are compared by means of the wind tunnel test results.

    利用典型状态的风洞试验结果对十字布局与叉字布局再入机动飞行器的气动特性进行了分析与比较。

  • The aerodynamic characteristics tests of the grenade with flexible ribbon first conducted in CARDC High Speed Aerodynamics Institude are introduced in this paper.

    气动中心首次进行了柔性飘带弹的气动特性试验,对柔性飘带提供安定作用的机理进行了分析。

  • The content of this paper includes the momentum—blade element theory and CFD method which are both used to compute the aerodynamic characteristics of cooling fans.

    本文分别利用结合动量—叶素理论的经典计算方法和CFD方法计算不同型号的汽车冷却风扇的流场和气动特性,并进行比较。

  • The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.

    引入尾流收缩比因子,并将大速度时的涵道等效为圆形机翼,建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。

  • The influence rules of underbody diffuser on light-bus aerodynamic characteristics are stu***d with the method of numerical simulation.

    用数值模拟的方法,研究轻型客车底部上翘角对其气动特性的影响规律。

  • The changes in dihedral of front wing and cathedral of rear wing have little effect on longitudinal aerodynamic characteristics but large effect on lateral-directional characteristics.

    改变连翼机前翼上反角和后翼下反角对纵向气动特性影响不大,对横向气动特性有明显影响。

  • The various factors influencing the aerodynamic characteristics of the flexible ribbon are discussed.

    文中还对影响飘带气动特性诸因素进行了探讨。

  • This paper introduces the experimental investigation of aerodynamic characteristics of component of external store of aircraft in FL-24 wind tunnel.

    介绍了在气动中心高速所FL-24风洞中进行的飞机外挂物部件气动特性试验研究的简要情况和典型试验结果。

  • Aerodynamic characteristics of box-wing are stu***d by the numerical method and the flow mechanisms of flows are analyzed.

    采用数值模拟的方法研究了盒式机翼布局的气动特性。

  • The influence of wind velocity and angle of attack on aerodynamic characteristics is reported.

    着重研究了风速、迎角对微型飞机各布局气动特性的影响。

  • The influences of natural wind speed distribution and train running speed on the aerodynamic characteristics of the maglev train under crosswinds are probed in details.

    深入探讨了自然风速分布和列车运行速度对磁悬浮列车横风气动力特性的影响。

  • The results show that unsteady aerodynamic characteristics of a delta wing oscillating in large amplitude pitching roll motion are more complicated than in pitching motion or in roll motion.

    结果表明,飞行器俯仰滚转耦合运动时的气动特性比单独俯仰和滚转时的气动特性复杂得多。

  • This paper presents a vortex lattice method which is suitable for the calculation of subsonic longitudinal and lateral aerodynamic characteristics of aircraft.

    本文介绍了一种涡格方法,它适用于亚声速飞机的纵横向气动特性计算。

  • Increasing the lift drag ratio of turbine blade is an effective way for improving turbines aerodynamic characteristics.

    提高叶轮机械叶片的升阻比,是改进叶轮机械气动性能的重要途径。

  • A numerical method is presented for predicting the aerodynamic characteristics of elastic aircraft under quasi-static approximation.

    本文介绍一种准静弹性飞机气动特性的数值计算方法。

  • The aerodynamic characteristics of airfoil are significantly influenced by non-equilibrium condensation of moist air.

    湿空气非平衡凝结会对机翼的气动特性造成显著影响。

  • BUS; Aerodynamic characteristics; Optimal design; Wind tunnel;

    客车;气动特性;优化设计;风洞;

  • For hypersonic vehicles, the effect of nozzle aerodynamic characteristics on vehicles performance is serious.

    基于特征线法,并考虑变比热的影响,开展了高超声速飞行器用单膨胀斜面喷管设计。

  • Comparisons between computations and wind tunnel experiments show that the accuracy of the code is ideal. It is useful for analyses of aerodynamic characteristics and exterior ballistic design.

    计算结果与风洞实验值比较表明,本方法精度较好,是进行尾翼弹气动力特性分析和外弹道设计的一个有力工具。

  • The wind tunnel tests on the aerodynamic characteristics of heavily iced conductors are carried out when severe gallop happens.

    针对驰振发生时的特大厚度覆冰进行覆冰导线模型的风洞测试。

  • It is found that the computed aerodynamic characteristics is in good agreement with that from the wind tunnel data.

    以虎门桥主梁断面计算为例,计算的空气动力特性与风洞试验数据吻合很好。

  • Combined with the mechanism of slipstream influence on the fuselage and horizontal tail, the paper gives the change in the longitudinal aerodynamic characteristics caused by the slipstream.

    同时,对滑流影响下机身和平尾纵向气动特性的变化机理进行了研究,最后得到了全机气动特性因滑流影响产生的变化。

  • The aerodynamic characteristics between original design and modified design in the LP turbine sectorial cascades with large diffused angel were stu***d in different incidences.

    实验研究了不同冲角下子午流道具有较大扩张角的某型低压涡轮导向器原型和改型叶栅的气动性能。

  • The aerodynamic characteristics of low Reynolds number, the influence of separation bubble and aspect ratio are discussed.

    讨论了低雷诺数空气动力特性,包括分离气泡和展弦比的影响。

  • Based on the special requirements of reversible aire fans, the requirements for the shape and aerodynamic characteristics of the reversible airfoils have been analysed.

    根据可逆风机的特殊使用要求,分析研究了可逆翼型应该具有的外形要求和气动特性要求。

  • The flight trim aerodynamic characteristics of re-entry modules were calculated from on board-recorded inertial-platform accelerations and attitudes and from reconstructed trajectory data.

    返回舱飞行试验的配平气动特性可从舱内惯性平台的加速度和姿态记录数据以及轨道数据求出。

  • 专业解析

    空气动力学特性(aerodynamic characteristics)是指物体在空气中运动时,其外形和结构对气流产生的力学响应,主要包括升力、阻力、力矩等参数,以及气流分离、湍流等现象的规律。这些特性直接影响飞行器、车辆等设备的性能与稳定性。

    从工程应用角度,空气动力学特性可分为以下核心要素:

    1. 升力与阻力:升力是垂直气流方向的力,由机翼上下表面压力差产生(如飞机机翼设计);阻力是物体运动时气流产生的反向力,与外形和速度相关。美国航空航天局(NASA)的研究指出,优化翼型可减少阻力并提升燃油效率来源:NASA官网空气动力学基础
    2. 力矩与稳定性:气动力矩决定物体绕轴旋转的趋势,飞行器的俯仰、偏航和滚转力矩需通过气动布局平衡。例如,垂尾设计可增强方向稳定性来源:SAE国际技术标准
    3. 流动分离与湍流:高速运动时,气流可能脱离物体表面形成涡流,导致失速或振动。风洞实验数据显示,流线型设计可延缓分离现象来源:《流体力学学报》第45卷

    在航空航天领域,空气动力学特性用于优化飞行器巡航效率;在汽车工业中,则用于降低风阻系数(如特斯拉Cybertruck的棱角设计)。波音公司公开报告证实,气动改进可使飞机碳排放减少12%来源:波音2024年可持续发展报告

    网络扩展资料

    aerodynamic characteristics(气动特性/空气动力特性)指物体在空气中运动时表现出的与气流相互作用相关的物理属性,是空气动力学研究的核心内容。

    具体含义

    1. 基础定义
      指物体在气流中产生的力学特性,包括升力、阻力、压力分布、稳定性和操控性等参数。这些特性决定了飞行器(如导弹、火箭、飞机)的运动性能。

    2. 影响因素
      典型变量包括:

      • 速度与马赫数:跨音速或超音速时会出现激波等复杂现象
      • 高度(空气密度):影响气动载荷和飞行稳定性
      • 几何外形:如机翼形状、机身曲率对升阻比的影响

    应用场景

    该术语常见于航空航天工程领域,相关研究涉及流体力学仿真、风洞实验和飞行数据分析。如需更完整的专业释义,可查阅《海词词典》或《欧路词典》的词条。

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