将回弯头分解为直管段和回弯两部分。
依此按直管段，上回湾和下回弯分别作关联。
Correlations were conducted respectively according to straight tube, up return bend and down return bend.
沉砂口直管段是水力旋流器的一个重要构件。
The straight tube of spigot is an important structural parameter of hydrocyclone.
依此按直管段，上回湾和下回弯分别作关联。
Correlations were conducted respectively according to straight tube, up return bend and down return...
在不可能安装较长的直管段情况下，可以来用导流叶片。
Straightening vanes can be used where long straight ways are not possible .
水槽直管段为正方形，弯管段内侧弯面及外侧弯面是专门计算设计的。
The shapes of the curved walls of the bent section are designed according to theoretical analysis.
结果显示，烟气流经换热器内部，在管子弯头处较直管段处容易出现低温腐蚀。
The result shows that when flue gas flow through the heat exchanger, the elbow part of pipe is easier to suffer low temperature corrosion than the straight part.
并用非线性方法和特征值方法对结构稳定性进行分析，得出直管段的稳定临界载荷。
By using the method of eigenvalue analysis and nonlinear analysis, the structure stability was analyzed, and the critical load of straight pipe was, then, obtained.
文中计算了直管段的四极参数及膨胀腔的传递损失，并与一维理论结果进行了比较。
The four-pole parameters of a straight duct and transmission loss of an expansion chamber have been calculated and compared with the results obtained by means of one-dimensional theory.
研究X80实物弯管得出，其直管段有比弯曲段低的回火稳定性和优良的强韧特性。
The testing results of X80 pipeline bends show that the tangent end has lower temper stability and more excellent strength-toughness than bent region.
对于不同的管道部件提出了相应的强度条件，确定了直管段及转角管段的应力验算方法。
Bring forward the strength conditions of the different pipe pars. Confirm the stress checking computations ways of the line pipes and corner pipes.
回弯压力降除考虑回弯头的局部阻力外，还包括相连直管段受回弯影响而增加的压力降。
The additional frictional pressure drop for vertical tubes due to its connection with the bend was accounted into the frictional component due to return flow.
其安装位置对直管段长度要求短、压损低、精确度高、维修量少，性能稳定，并介绍了应用情况。
Its installation location involves shorter straight pipe section, low pressure loss, high accuracy, small amount of maintenance and stable performance. The application status is a...
根据工程实际，利用弹性薄壳理论，将直埋管道直管段作为柱壳建立物理模型，并在相应曲线坐标下，对作用于管道上的荷载进行受力分析。
Based on the fact, regarding the pipe of direct-buried pipe as cylindrical shell, the article establishes curvilinear coordinates, and analyzes the loading on the pipe.
通过工程实例，详细介绍了蒸汽直埋管道的主要设计工艺、特殊管段的处理及施工技术。
With an example, presents in detail the main design technology, treatment of special pipe sections and construction technology.
针对实验管段，分别建立入口直管和弯管的网格模型。
For the experimental pipe sections, grid models of the entrance straight section and the bend section are established respectively.
针对实验管段，分别建立入口直管和弯管的网格模型。
For the experimental pipe sections, grid models of the entrance straight section and the bend section are established respectively.
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