1) large nozzle-to-cylinder diameter ratio
大开孔串
2) big opening
大开孔
1.
Evaluation on the reinforcement designing method of the pipe connected flatly and neatly with the big opening of spherical shell;
球壳大开孔平齐接管补强设计方法评价
2.
There will be great stress concentration appearing nearby the junction of nozzle and shell of pressure vessels with big openings,so reinforcement is absolutely necessary.
大开孔压力容器在开孔接管部位有很大的应力集中 ,必须进行补强。
3) large opening ratio
大开孔率
1.
Design and industrial application of packed tower using large opening ratio packing support;
大开孔率填料支承装置填料洗涤塔的设计与工业应用
4) large opening
大开孔
1.
The stress analysis of the pressurized mixer with two large openings with the same diameters was carried out by use of the finite element method.
本文采用有限单元法对带有等径大开孔的压力混合器进行了应力分析，并在此基础上提出了检验要求。
2.
An experimental study method to determine the limit load of cylindrical shells with large opening by twice elastic slope method and two tangent method was presented.
通过试验研究分别用两倍弹性斜率法、双切线法确定了内压作用下圆柱壳大开孔结构（ｄ／Ｄ≥０。
3.
The general feature of the large opening with nozzle structure on ellipsoidal head,in which the property of the head is influenced by two interferential boundaries,are investigated in this paper.
通过理论计算分析了椭圆封头大开孔结构的一般情况,即两个相互干涉的边界对封头结构性能的影响问题。
5) large openings
大开孔
1.
Between the pressure area method and ASME method, the reinforcement calculation method of pressure vessel with large openings was analyzed and compared.
针对压力容器两种大开孔的补强计算方法——压力面积法和ASME法,介绍了两种方法的适用情况,分析了两种方法的异同,考证了ASME法计算公式的理论依据和由来,通过对某容器大开孔结构的两种方法进行计算比较,显示了其间的重大差异。
2.
Between the pressure area method and ASME method, the reinforcement calculation method of pressure vessels with large openings was analyzed and compared.
针对压力容器两种大开孔的补强计算方法———压力面积法和ASME法 ,分析了两种方法的异同 ,考证了ASME法计算公式的理论依据和由来 ,通过对某容器大开孔结构的两种方法进行计算比较 ,显示了其间的重大差异并由此对大开孔有限元应力分析结果的应力分类评定提出见解。
3.
At present there exist no applicable standards or specifications for calculating the strength of crude oil heating boiler (COHB) heads perforated by densely distributed large openings.
:油田火筒加热炉密集大开孔封头的设计计算 ,因没有相应的强度计算标准在一定程度上限制了我国油田火筒加热炉技术的发展。
6) oblique large opening
斜大开孔
1.
Finite element analysis for pressure vessels with oblique large opening;
压力容器斜大开孔的有限元分析
补充资料：布气临界开孔率
分子式：
CAS号：
性质：均匀分布流体的分布板的最小开孔率，也是区分高压降分布板和低压降分布板的标志。郭慕孙根据散式流态化的理论和高压降分布板的概念，导得分布板的临界开孔率式中，流量系数c=0.99[d0/t)-0.125；L为床高；g为重力加速度；u为表观线速；ρf为流体密度；△ρ为颗粒与流体的密度差；d0为分布板孔径；亡为分布板厚度，对于具有散式特征的某些细粒流化床；n=4.65；εmf=0.4。
CAS号：
性质：均匀分布流体的分布板的最小开孔率，也是区分高压降分布板和低压降分布板的标志。郭慕孙根据散式流态化的理论和高压降分布板的概念，导得分布板的临界开孔率式中，流量系数c=0.99[d0/t)-0.125；L为床高；g为重力加速度；u为表观线速；ρf为流体密度；△ρ为颗粒与流体的密度差；d0为分布板孔径；亡为分布板厚度，对于具有散式特征的某些细粒流化床；n=4.65；εmf=0.4。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条