magnetic pressure

Using the magnetic pressure phase method to measure the number of turns measurement

用磁压&相位比较法测量线圈匝数

On other conditions , strong two-dimensional effects , electrostatic accelerating , magnetic pressure and plasma pressure should be included in the fluid analysis .

这表明其他因素如强二维效应、静电加速、磁压作用以及等离子体热压力在一定条件下可能会严重影响磁场的渗透过程。

Then the elastic and plastic critical magnetic pressure is achieved respectively .

然后根据能量准则，分析得到了环板发生弹性和塑性皱曲的临界磁压力公式。

Reforming of Magnetic Pressure Oxygen Analyzer Pretreatment System

磁压力式氧分析仪预处理系统的改造

This paper introduces the methods of using the magnetic pressure phase method to measure the number of turns measurement .

本文介绍了测量线圈匝数的方法&磁压相位比较法。

Finite element analysis of magnetic pressure in electromagnetic-bulging

电磁胀形磁场力的有限元分析

It is important to verify the results of the theory research on the magnetic pressure and analyze the sheet deformation further .

它的获得对于验证磁场力理论研究结果，以及进一步研究板材变形具有重要意义。

The complexity , caused by the ferromagnetic nonlinear magnetic pressure drop , is solved by schema method .

而铁磁磁压降非线性问题带来的设计复杂化也可通过图解法逐一求解解决。

Stating magnetic pressure and deformation of workpiece , from which people can learn the current situation of the theory .

本文从磁场力、工件的变形两方面简明扼要的阐述了电磁成形理论研究现状；

A Fuzzy-neural Network Discriminating System for Micro-electrical Discharge Machining Analysis of Magnetic Pressure in Electromagnetic Tube Forming

微细电火花放电间隙的状态检测管坯电磁成形电磁力解析

Meanwhile , the introduction of the magnetic pressure distribution into the forming coil design brought an obvious improvement of the coil service life in technology experiments .

将受力分布引入成形线圈设计，有效地提高了工艺实验中线圈的使用寿命。

The theory research on electromagnetic forming is related to electromagnetics and plasticity dynamics . Of all the problems , magnetic pressure calculation is the basic one .

电磁成形理论涉及电磁学与塑性动力学，磁压力研究是其理论研究的基本问题之一。

There is the condition β < < 1 in the tail lobe and β≥ 1 in the plasma sheet , where β is the ratio of plasma pressure and magnetic pressure .

尾瓣中满足条件β<<1，而等离子体片中β≥1，其中β为等离子体压力与磁压之比。

Electromagnetic forming is a kind of advanced forming technology and its theory research related to ( electromagnetics ) and plasticity dynamics consists of the analysis of the magnetic pressure and the dynamic deformation analysis .

电磁成形是一种先进制造技术，理论研究包括磁场力和冲击力作用下变形两部分，涉及到电磁学、塑性动力学等学科。

One approach is the numerical similarity , in which the coronal transient is driven by the pulsation of one of the thermodynamical quantities or the magnetic pressure at the low corona .

一种数值模拟方法将瞬变看成是由于热力学量或磁力在日冕底部的脉冲增长所产生的结果。

Several analytical models consider that the loop transient is driven by the Lorentz force in the loop , or by the magnetic pressure outside the loop , or the MHD buoyancy force of the loop .

许多分析模型认为是由磁环内部的电磁力或外部的磁压力驱动所致，或者是环中磁浮力驱动的结果。

A numerical modeling of the electromagnetic sheet metal process was performed using a finite element method , and the boundary conditions and the loads of magnetic pressure of the analysis model were established according to theoretical analysis of the magnetic field properties .

利用有限元方法建立了平板电磁成形过程的数值模型，根据平板电磁成形特性的理论分析确定了模型的边界条件和磁压力载荷。

FEM ( Finite element method ) is an effective method in enhancing the accuracy of magnetic pressure calculation . But for the FEM , how to confirm the solving area and magnetic field characteristic on the boundary is the key problem .

采用有限元法是提高磁压力求解精度的有效途径，而确定求解区域及其边界上的磁场特性又是有限元方法的关键问题。

The simulation results show that at the end of the conduction phase a vacuum sheath will form near a cathode , the formation mechanisms include deformation of plasma by magnetic pressure , the penetration of magnetic field and electrostatic erosion .

模拟结果表明在融断开关导通电流的最后阶段，由于磁压力、磁场渗透作用和非中性静电融蚀作用，在融断区域的阴极附近会形成一定宽度的真空鞘层。

It is shown that the maximal efficiency of extracting energy of the magnetized accretion disc attains 44.5 % under the requirement of the BH magnetic pressure being balanced by the ram pressure of the innermost parts of an accretion flow .

计算表明，在黑洞视界面磁压满足冲压平衡条件下，黑洞吸积盘的最大放能效率可达44.5%。

The electro-parameters and electromagnetic pressure in the process of electromagnetic bulging with mould are simulated using ANSYS , and the effect of with or without mould on the forming of tube blank and the effect of the shape of the mould on the magnetic pressure are analyzed .

应用ANSYS有限元软件模拟了有模电磁胀形过程中的电参数及磁压力。分析了有、无模具对管坯成形电学、力学参数的影响；

Development of a Stroage Magnetic Positioning Pressure Meter

储存式磁定位压力计的研制

The high speed detect system of iron magnetic and pressure resistant pipes can be used to determine all the tiny defects of the pipes .

承压铁磁性管道高速检测系统能可靠地检测管道体部分各种细微缺陷。

The pinch-effect will occur in plasma column because magnetic field pressure outside is bigger than thermal pressure inside of the plasma column carrying electric current .

载电流等离子体柱由于外磁场压强大于其内部热压强，等离子体柱发生箍缩效应。

In consideration of the problems of inaccuracy of depth measurement in well testing , a new storage magnetic positioning pressure meter is developed , which is consisted of a surface control tool and a downhole tool .

针对试井测试中深度测量不准确的问题，研制了一种新型储存式磁定位压力计，该仪器由地面控制仪和井下仪器两部分组成。

Study on magnetic fluid sealing pressure and structure parameter

磁流体密封压力与结构参数的确定

Mechanical design Magnetic fluid Seal Pressure ;

机械设计；磁性液体；密封；压力；

The magnetic fluid sealing pressure is mainly related to the magnetic flux density of the magnetic gap , and also related to the structure .

磁流体密封压力主要由间隙的磁通密度决定，结构参数对密封压力也有影响。

The valve is structured with rotated arms opening disk , magnetic control working pressure , acting as two levels of large and small opening by two levels of pressure control with two rotary arms on same disk .

该阀结构上采用了转臂开启式阀盘，磁力控制工作压力和同一阀盘双转臂两级压力控制，实现大、小开度技术。

Application of magnetic memory testing to pressure vessel

磁记忆检测在压力容器检验中的应用