椭圆管环容易适合圆形柔性导管。
床头，尾板由不锈钢椭圆管及彩色防火板构成。
Bedside, by the end of stainless steel plate oval plate of a fire and color.
计算了层流状态下扭曲椭圆管内的流动与换热情况。
Experimental research of heat transfer and flow friction properties in twisted tube heat exchanger;
对横掠不同长径比的椭圆管的换热和流动特性进行了研究。
Heat transfer characteristics and flow behaviors of elliptic cylinders with different axis ratio kin crossflow are investigated experimentally.
本文用激光全息干涉法研究了水平椭圆管的自然对流放热。
Holographic interferometry has been used to study the heat transfer by free convection from horizontal elliptic cylinder.
本文采用热质比拟技术研究了矩形翅片椭圆管的换热特性。
Heat transfer characteristics of ellipsoidal tubes with rectangular fins have been studied by the hot medium analogy method.
将螺旋扭曲椭圆管换热器应用于炼油装置中，节能效益显著。
A notable benefit of energy saving was achieved by applying twisted ellipse...
主要利用椭圆的“四心法”简化了椭圆管翻领成型器的设计方法。
Design method of ellipse shoulder forming device was simplified with four-center method.
矩形翅片椭圆管，即双排管是直接空冷凝汽器的一种基本换热元件。
The elliptical tube with rectangular plate fin, which is usually called double row tube, is one kind of basic heat exchange element for direct air cooled condensers.
本文主要论述四种叉排钢制矩形翅片椭圆管簇的传热及阻力试验研究结果。
This paper mainly presents the results of experiments on heat transfer and pressuse drop of air flowing across four types of elliptical Finned-Tube banks .
椭圆管翅式换热器的翅片效率工程上通常是将其转换为圆形翅片管来计算。
The fin efficiency of an oval finned heat exchanger is usually calculated by converting the oval finned tube to an equivalent round one in the engineering field.
矩形板翅式，这通常被称为双列管，椭圆管是一种直接空冷凝汽器热交换的基本元素。
The elliptical tube with rectangular plate fin, which is usually called double row tube, is one kind of basic heat exchange element for direct air cooled condensers.
对交叉缩放椭圆管进行了实验和数值研究，给出了换热和沿程阻力系数实验拟合关联式。
An experimental and numeric study was carried out for the alternating elliptical axis tubes. The fitted correlation was derived for the experimental heat transfer and resistance coefficients.
计算了成形后交叉缩放椭圆管的残余应力分布并比较了三个典型截面上的残余应力状况。
The three-dimensional distribution of residual stress was investigated and the residual stresses on three representative sections were compared.
摘要为解决圆形热管换热器换热效率低、积灰和腐蚀严重的问题，应用椭圆管束进行了改造。
This paper discusses the effectiveness of substituting elliptic pipe bundles for round heat pipes to raise the heat exchange efficiency and prevent soot deposit and corrosion of heat exchangers.
介绍了采用土耳其头轧制椭圆管的成型辊孔型设计原则、设计步骤以及各架次成型辊参数的计算公式。
The article introduces forming roller pass design principle, design process and calculating formula of each layer former roller parameter in ellipse pipe rolled by turks-head roll.
采用有限差分数值分析方法，应用温度逐次更新处理技术对不同扰流孔下的椭圆管矩形翅片的肋效率进行计算。
The FDM numerical analytic method is applied to calculate the fin efficiency of elliptic tube with rectangular fins on which the disturbing holes were dug by using additional source term technique.
研究表明，用多个扇形模具块对焊管端口进行机械扩径时，椭圆管坯的塑性变形具有显著的局部特性，且主要集中于悬空段。
The study shows that plastic deformation of the elliptical tube which has a significant local characteristic mainly concentrates in the vacant section, when expanding using several expanding punches.
研究表明，用多个扇形模具块对焊管端口进行机械扩径时，椭圆管坯的塑性变形具有显著的局部特性，且主要集中于悬空段。
The study shows that plastic deformation of the elliptical tube which has a significant local characteristic mainly concentrates in the vacant section, when expanding using several expanding punches.
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