就鹤管对储罐内电荷的泄漏速度和油面电位的影响进行了分析。
Investigated is the effect of filling pipe on the charge relaxation and the oil surface potential at the interface between vapor and oil in a cylindrical vessel.
采用半封闭卸车、增加鹤管堵头等措施可有效降低作业空间的油气浓度；
Application of some measures, such as semi-close unloading and increase of crane tube plug etc. can availably decrease oil gas concentration in operating area.
本文介绍了能满足以上要求的新型双直线气动鹤管的工作原理和试验应用。
This paper makes an introduction of the operating principle and trial application of the new pneumatic loading arms that can meet the need mentioned above.
将鹤管等效为储罐对称轴上的接地导体，推导了静电场边值问题的解析解。
Assimilating the filling pipe to a grounded conductor at the axis of the vessel, the electrostatic boundary problem is solved analytically.
分析了铁路卸油鹤管气阻产生的原因和影响因素，并给出了分析计算实例。
In this article, the analysis on the causes and influence factors of vapor lock of railway swing arm for unloading oil are carried out, and a computational practical example is given.
鹤管气阻长期困扰着储运界及油库工作人员，是一个迫切需要解决的技术难题。
The vapor lock of light oil swing arm, which is a technical issue to be solved, has been puzzling the people related to oil.
JN型浸没式内液压轻油大鹤管和高位重油大鹤管的设计、制造是合理的、可靠的。
The design and construction of YH200-JN submergble and hydraulic big loading arms for light and heavy oil are reasonable and reliable.
从油品性质、油品温度、工艺流程和鹤管壁温等因素，剖析了铁路油罐车轻油鹤管发生气阻的原因。
The paper analyzes the reasons of vapor lock of light oil swing arm for rall tanker from oil property, oil temperature, technological flows and the wall temperature of swing arm.
要实现自流付油，油品就必须有一定的液面高度，也就是要求储存油品液面与发油鹤管出口具有足够的高度差。
To realize artesian discharge, there must be a certain height of liquid level, or an adequate level difference between the liquid stored and the outlet of unloading arm.
文章分析了出现气阻现象的种种原因，通过实践和水力计算图表分析得出结论：鹤管改造对克服气阻效果明显，简单易行。
This article analyses different reasons of causing air resistance phenomenon. An conclusion has been made by practice and analysis of plenty hydraulic calculation with drawings and tables.
文章分析了出现气阻现象的种种原因，通过实践和水力计算图表分析得出结论：鹤管改造对克服气阻效果明显，简单易行。
This article analyses different reasons of causing air resistance phenomenon. An conclusion has been made by practice and analysis of plenty hydraulic calculation with drawings and tables.
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