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封头结构
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  header configuration
     Experimental Study on Outlet Temperature Distribution in Plate-Fin Heat Exchangers under Secondary Header Configuration
     二次封头结构板翅式换热器出口温度分布的实验研究
短句来源
     A secondary header configuration is proposed. The definitions of the equivalent area and its diameter are given to describe the characteristics of the secondary header configuration.
     首次提出了二次封头结构,定义了当量截面积和当量截面直径来描述封头结构特征.
短句来源
     The experiment result indicates that the maldistribution would be caused by the ordinary industrial header for the internal flow of the plate-fin heat exchanger, while the maldistribution parameters and the maximum velocity ratio can be effectively reduced by perforated plate header configuration, the effect of flow distribution can be greatly improved, the effect will be more obvious with the increase of Re.
     实验结果表明工业用基本型封头造成板翅式换热器内部物流分配极不均匀,而孔板型封头结构能有效地降低不均匀参数和最大流速比,可极大地改善物流分配的效果,并且随着Re的增大效果越明显;
短句来源
     The experimental results showed that the perforated plate header configuration could effectively improve the uniformity of fluid flow distribution.
     结果表明:改进型封头结构能有效地改善物流分配的均匀性;
短句来源
     Based on our study on the flow maldistribution in a plate-fin heat exchanger, the exit temperature distribution in the heat exchanger under the secondary header configuration was experimentally studied.
     在对板翅式换热器内部物流分配不均匀研究的基础上,进一步研究了不同工况下二次封头结构换热器出口温度分布的规律.
短句来源
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  “封头结构”译为未确定词的双语例句
     4)The theory of design by analysis for pressure vessel was applied to classify the stress of different dangerous location on the special head.
     (4)运用压力容器分析设计理论,对异形封头结构不同危险位置的应力进行分类,在合理确定目标函数、设计变量和状态变量、优化策略基础上进行优化。
短句来源
     2) 3D solid geometric model and finite element model is set up, and the stress intensity (SINT) analysis and evaluation went on firstly, then, the heat-structural stress analysis is continued by coupling with temperature field, further, the influence for the strength of special head coming from mechanical loads and heat loads is studied.
     (2) 建立异形封头结构的三维几何实体模型及其有限元模型,在机械载荷的作用下进行应力分析和评定,然后与温度场耦合进行热-结构应力耦合分析,研究了机械载荷和温度对封头强度的影响。
短句来源
     The effect of 3 different header configurations with different Re on the characteristics of internal flow distribution and drag distribution of a plate-fin heat exchanger is investigated.
     研究了不同Re下3种封头结构对板翅式换热器内部物流分配和阻力分布特性的影响。
短句来源
     A study was made of the influences of three kinds of header configurations under different Re numbers on the flow distribution at outlet and resistance loss of the plate-fin heat exchangers.
     研究了3种封头结构在不同Re下对板翅式换热器出口通道物流分配和阻力损失的影响。
短句来源
     Based on numerical simulation,the flow distributions of the ordinary header and three improved headers was studied with PIV,and a series of velocity streamline graphs of different cross sections were obtained.
     在数值模拟的基础上,利用粒子图像测速仪(PIV)对板翅式换热器原始封头A和3种改进的顺排孔板型封头结构(B、C、D)的流场进行了可视化的实验,获得了封头内部不同截面处流场的速度流线分布图.
短句来源
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  相似匹配句对
     Using AFS algebra and AFS structure, any human ordinary fuzzy concept can be represented.
     结构
短句来源
     Compared the actuality of the structure of th
     *; 结构;
短句来源
     Analysis of a welding structure destroy of a pressure tube capping
     压力水管封头焊接结构事故分析
短句来源
     Theoretical Analysis for the Optimum Structure of Rotative Shell of Boilers
     凸形封头最佳结构的理论分析
短句来源
     Foundry Method of A Stainless Steel Bulkhead
     封头的铸造
短句来源
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The structural design problems for dome of filament-wound pressure vesselshave been discussed in this paper.The finite element analysis of this vessel und-er arbitrary loadings has been given.

本文讨论了纤维缠绕压力容器封头结构设计问题;给出了纤维缠绕薄壳在任意载荷作用下应力分析有限元半解析法。

This research paper introduces the structure of a new type quickly-opening headin detail, analyzes its sealing principle, features and application, and elaborates the safety chaindevice briefly.

介绍了一种新型快开式封头的结构,分析了该封头的密封机理、特点及使用场合,并对其安全联锁装置作了简明阐述。

Calculation of stress analysis is made of the cam sealing head of pressure vessels under internal pressure by finite unity as regards the structure of sealing heads, connection of sealing heads with cylinder hole position and joint structure of joining pipes and sealing heads, thus giving its reasonable structure.

运用有限元法,考虑封头的结构、封头与简体的连接形式、开孔位置、接管与封头的连接结构等因素,对受内压的凸形封头(球形封头、椭圆形封头、碟形封头及锥形封头)进行了应力分析计算。

 
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