椭圆截面的英文

• ellipicity section
• elliptical cross-section
• oval cross section

• "椭圆"英文翻译    oval; oval-shaped; ellipse; ...
• "截面"英文翻译    section; cross section; cros ...
• "椭圆截面体" 英文翻译 :    elliptical body
• "椭圆截面针" 英文翻译 :    oval wire
• "椭圆截面轴" 英文翻译 :    ellipsoid azis
• "椭圆截面翼梁" 英文翻译 :    oval spar
• "圆截面" 英文翻译 :    circular cross-section; circular section
• "半圆截面" 英文翻译 :    semi-circular section
• "圆截面波导" 英文翻译 :    circular waveguide
• "圆截面导管" 英文翻译 :    circular duct
• "圆截面垫片" 英文翻译 :    round cross section gasket
• "圆截面风洞" 英文翻译 :    circular wind tunnel
• "圆截面缝" 英文翻译 :    concave tooled joint; convex tooled joint
• "圆截面机身" 英文翻译 :    round fuselage
• "圆截面结构" 英文翻译 :    circular structure
• "圆截面喷管" 英文翻译 :    round nozzle
• "圆截面喷流" 英文翻译 :    circular jet
• "圆截面射流" 英文翻译 :    circular jet
• "圆截面纤维" 英文翻译 :    cylindrical fiber; cylindrical fibre
• "实非圆截面轴" 英文翻译 :    solid noncircular shafts
• "圆截面多芯电缆" 英文翻译 :    bundled cable
• "圆截面橡胶垫圈" 英文翻译 :    round section rubber packing ring
• "圆截面橡胶盘条" 英文翻译 :    round section rubber strip
• "椭圆形截面" 英文翻译 :    elliptical section; oval cross section
• "非圆截面管中的流动" 英文翻译 :    noncircular flow

• Oval cross section and plastic sealing washer
  椭圆截面塑性密封圈
• A precise solution for torsion of bars with hollow elliptical cross section
  一类椭圆截面空心柱体扭转的精确解
• Numerical calculation and computer simulation of magnetic field of long straight conductor with ellipse cross - section
  椭圆截面长直载流导体磁场的数值计算和计算机模拟
• When the dimensionless governing parameters exceed some critical value , the bifurcation phenomena in the rotation pipe with rectangular and elliptical will appear and the flow structure becomes more complicated
  对于矩形截面和椭圆截面管道，当控制参数较大时，流动会出现分叉现象。
• With the superimpose model , the formula of the stress calculation of the elbows with elliptic section and nonuniform thickness was proposed in this paper . the formula is versified by the experiment of two elbows
  利用叠加模型，提出椭圆截面变厚度弯管承受内压时的应力计算力学模型，并通过两支弯管的实验得到验证。
• Employing perturbation method and numerical simulation , we study the flow in rotating helical pipes including different rotations , different cross sections ( circular , elliptical , annular and square cross section ) , and different geometrical structures
  采用摄动方法和数值计算方法，研究了处于多种旋转状态下、多种截面形状(圆截面、椭圆截面、环形截面、矩形截面) 、不同几何结构旋转螺旋管道流动。
• The experimental and numerical studies on the two enhanced tubes are performed . the strong multi - longitudinal vortex flow in the aea - tube is induced by alternating change of the elliptical cross - section , and for the ddir - tube , the strong multi - longitudinal vortex flow is
  交叉缩放椭圆管是通过椭圆截面的交叉变化诱导产生强烈的二次流和多纵向涡流，而不连续双斜向内肋管则是通过不连续的双斜向内肋对的作用形成强烈的多纵向涡。
• These stud " can be concluded as following : on the basis of the bhw - 35 steel p - s - n curve and its da ' dn growth law the method of low - cycle fatigue life evaluation of 401 t / h boiler was proposed . and a mechanics model was suggested for calculating the stress of internal pressure suffering elbow . with the elbow fatigue test , a method of evaluation the fatigue growth life of pressure suffering elbow is recommended ; and the elementary use of damage mechanics on the fatigue life evaluation of the boiler drum
  本文创新点为：在bhw - 35钢的p ? s ? n曲线及da / dn扩展规律的试验研究基础上，提出了410t / h锅炉汽包的低周疲劳寿命分析与预测方法；建立了一种椭圆截面变厚度弯管承受内压时的应力计算力学模型，通过压力弯管的疲劳试验，本文推荐其低周疲劳扩展寿命预测方法；将损伤力学应用到锅炉汽包疲劳寿命预测做了初步的探索。
• When f is about fr , for curved pipes , the secondary flow appears eight vortexes for annular cross section and four for circular and four or six for elliptical ; for helical pipe , the secondary flow appears as a loop flow for annular and circular cross section , and a saddle flow for elliptical cross section
  当f在fr左右时，对于弯管，环形截面上存在八个涡，圆截面上存在四个涡，椭圆截面上存在四个或六个涡；对于螺旋管，圆截面和环形截面上二次流表现为环流，椭圆截面上表现为鞍流。
• Based on the review , the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters . we firstly analyzed the fully developed fluid flow and heat transfer , mixed convection heat transfer , the development of flow and heat transfer in the inlet in different cross section ( circular , elliptical , annular and rectangular crossection ) . the variations of the secondary flow , axial velocity , distribution of temperature , the friction force on the wall , the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
  本文在总结和分析了一个世纪以来有关曲线管道流动和换热特性的研究成果的基础上，以旋转正交曲线坐标系统下的多参数旋转螺旋管道中的对流传热为物理模型，通过摄动方法和有限体积法，首次对各种截面(圆截面、椭圆截面、环形截面、矩形截面)旋转曲线管道内充分发展流动的流动结构和传热特性(包括耦合对流传热特性)以及旋转曲线管道开口段发展流动的流动结构和换热特性进行了系统的数值模拟和理论分析，详细讨论了各种无量纲参数对管道内轴向速度分布、二次流结构、温度分布、壁面摩擦力、摩擦系数比以及管道nusselt数的影响，获得了若干创新性成果。