1) final presure
最後压力,极限压强
2) ultimate pressure
极限压强
1.
It is proved by experiment that the backing pump increases the compression ratio of H 2 and obtains the lower ultimate pressure of the system considerably.
实验证明 ,通过串联一台分子泵 ,可以有效地提高系统对氢气的压缩比 ,显著提高系统的极限压强。
3) limit pressure
极限压力
1.
Effect of media flow velocity on limit pressure of pipes during in-service welding;
介质流速对在线焊接管道极限压力的影响
2.
Finite element simulation of limit pressure pipeline with cracks using critical crack-tip-opening-angle;
以临界CTOA为参量的含裂纹管道极限压力有限元模拟
3.
Based on the numerical results,the remaining strength factor of the pipe can be obtained and limit pressure can be predicted.
运用有限元法对不同壁厚的管道进行在线焊接时的温度场进行了数值模拟,内部介质流动对焊接温度场的影响通过确定介质与管壁的换热系数来考虑,并根据温度计算结果,获得管道的剩余强度因子,进而获得管道的极限压力。
4) ultimate pressure
极限压力
1.
The load P-δ (normal deflection of plate center) curves, ultimate pressure P_(cr) of moderately thick plates were obtained through the test.
设计了四边简支板稳定性试验的加载、支承装置及试件,进行了中厚度钛合金板面内双向受压稳定性试验,测出了相应的极限压力Pcr;并与ANSYS软件的非线性有限元计算的结果作了比较,两者基本吻合;说明中厚度钛合金板采用有限元稳定性分析,选用20节点solid186体单元并计及材料非线性,是可靠有效的。
2.
In this paper, the finite element technique based on the hypotheses of ideal elastic plastic material and small defection was applied to systematically analyze the affections of plastic ultimate pressure, the type of the elements and constraints to the value of the numerical solution for welded pipe with T junction when the ratio of d/D is greater than or equal to 0.
5管道焊接三通的塑性极限压力及网格密度、单元类型和约束形式对数值解的影响,结果表明,在管径比 d/D≥ 0。
3.
The effect of design on the performance of rotary plunger vacuum pump is discussed mainly by way of analyzing such influencing factors as the ultimate pressure, pumping speed,power and noise on the pump operation.
主要讨论设计参数对滑阀真空泵性能的影响,对影响滑阀泵的极限压力、抽气速率、功率及噪声等性能的因素进行了具体的分析,并提出了有利于提高滑阀真空泵性能的设计思路。
5) extreme pressure
极限压力
1.
Determination of extreme pressure for in-service welding of pipelines under repair
非停输管道焊接修复极限压力设计
2.
An numerical model is created to calculate extreme pressure of internal corroded pipeline,which is based on finite element software and adopts the model of exponential kinematic material,the method of defect dissected by orthogonal areas and entire model meshed with hexahedron.
利用有限元软件,采用幂硬化随动强化材料模型、缺陷正交面切割法和模型完全六面体单元网格化方法,建立了数值分析模型,在规范B31G的基础上求得准确度更高的内腐蚀管道极限压力拟合公式,并用实际算例对其进行了验证。
补充资料:等离子体压强和磁压强
在流体近似下,可以把等离子体看成是彼此相互作用的电子和离子两种气体的混合物。它们各具有动力压强,上述两种气体成分的分压强之和P=k(niTi+neTe)称为等离子体压强,k是玻耳兹曼常数,角标i、e分别表示离子和电子。
经常遇到的处在静磁场 B中的等离子体,除了等离子体压强外,它还受到磁力 作用,j是电流密度。当磁力线是直的并互相平行时,(B·墷)B项等于零,相当于压强,称为等离子体磁压强。
在等离子体压强和磁压强并存之时,常用参数表示磁压强的相对重要性。这个参数称为比压。
经常遇到的处在静磁场 B中的等离子体,除了等离子体压强外,它还受到磁力 作用,j是电流密度。当磁力线是直的并互相平行时,(B·墷)B项等于零,相当于压强,称为等离子体磁压强。
在等离子体压强和磁压强并存之时,常用参数表示磁压强的相对重要性。这个参数称为比压。
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