Vertical heat exchanger is mainly divided into single U-tube heat exchanger and double U-tube heat exchanger.
垂直U型管换热器主要分为两种：单u型管换热器和双u型管换热器。
The design and research of the paper has certain reference value to shell-and-tube heat exchanger especially U-tube heat exchanger engineering design.
本文的设计与研究对于管壳式换热器尤其是U形管式换热器的工程设计具有一定的参考价值。
Ground heat exchanger is an important component of the ground Coupled heat Pump (GCHP) system and a single U-tube is the most common type of ground heat exchanger.
地下换热器是地源热泵系统重要的组成部分，单u型管是当前广泛使用的地下换热器形式。
The ground heat exchanger is an important component of the ground Coupled heat Pump (GCHP) and the U-tube is most commonly used ground heat exchanger.
地下换热器是地源热泵的重要组成部分，竖直u型管是最常见的地下换热器形式。
A description is made of the structural characteristics of the new-type U-tube heat exchanger, and an introduction is given to its use in the crude methanol system.
阐述了新型U形管换热器的结构特点，介绍了该种换热器在粗甲醇系统中的应用情况。
The cracking causes of a U shaped tube heat exchanger were analysed in material compositions, microstructure, properties with the help of optional microscope and SEM.
借助光学和扫描电子显微镜，从材料成分、微观组织和性能角度，分析了U形管换热器开裂原因。
Base on several common U-tube heat transfer models of ground source heat pump, this paper proposes a transient heat transfer model for single U-tube vertical heat exchanger.
介绍了几种常见土壤源热泵u型埋管换热器传热模型，建立了单u型垂直埋管换热器的非稳态传热模型。
The influences of groundwater advection to heat transfer process and different soil property to the soil temperature field around the single U-tube underground heat exchanger were analyzed.
分析了土壤中水的渗流对传热过程的影响，并对考虑渗流作用时不同土壤物性对单根U型垂直埋管换热器周围土壤温度场进行了模拟计算与分析。
The frequent cracking in U-tube heat exchanger caused by corrosion at Lanzhou Petrochemical Corporation were analyzed in terms of materials, running conditions, overhaul operation etc.
对哈氏合金U形管换热器频繁出现的腐蚀断裂问题，从材质、运行工况等方面进行了分析，采取了更换材质等防腐技术措施，收到了很好效果。
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验，以确保管接头及管不泄漏。
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验，以确保管接头及管不泄漏。
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