In this paper, the Euler-Euler model was used to numerically analyze the influences of the particle volume fraction, the diameter of tube and the Reynolds number on the phase-change region.
采用双流体数学模型通过数值模拟发现：在层流条件下，双流体模型能够很好地模拟颗粒相体积分数、管径和R e对相变区间的影响。
The paper briefly described the design, construction technology and application effect of combined application of small diameter steel tube pile and consolidation grouting with field cases.
以工程实践为例，简述复杂岩溶地基处理中小口径钢管桩与固结灌浆技术联合应用的设计、施工工艺及应用效果。
This paper discusses the method of using CCD to survey the outer diameter and thickness of glass tube, introduces the structure of survey system and design thought for software and hardware.
介绍了用CCD器件完成玻璃管外径和壁厚在线测量的实现方法，测试系统的结构和硬件及软件设计思想。
This paper analyzes the variation principles and influence factors of inside diameter in tube press expansion.
分析了圆管压入扩径时内径变化的规律和影响因素。
A new reflection method to measure the external diameter and the thickness distribution of the quartz tube is described in this paper.
本文介绍了反射法测量石英管外径及壁厚的原理和方法。
In this paper, a diameter measuring technique of slender glass tube based on CCD assembling is presented.
提出了一种基于CCD拼接技术的高精度直径测量方法。
In this paper, a diameter measuring technique of slender glass tube based on CCD assembling is presented.
提出了一种基于CCD拼接技术的高精度直径测量方法。
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