气隙

The interactions between gas and particles were considered by a two-way coupling method.The motion of particles in the spouted bed with complex geometry was solved by combining DEM and boundary element method.The minimal spoute...

通过采用BEM+DEM-CFD相结合的方法进行模拟计算，得到了喷动床的最小喷动速度，研究了不同表观气速下床内的流型，得到了二维导流管喷动床的床层压降与表观气速的关系，统计分析了喷射区、环隙区内颗粒的运动速度和相应的空隙率，全面地描述了二维导流管喷动床内的气固流动特征。

The principle of single phase transformer differential protection is presented, which is applied in the case of connecting bushing current transformer with air gap at lower voltage side for cutting down the cost in electric engineering.

针对在电力工程中为节省投资而采用低压套管内有气隙电流互感器的情况，论述了单相变压器差动保护原理，介绍了三相变压器差动保护的 3种接线方法。

When installing a drain line, use Series 909 air gaps on Model 909 backflow preventers.

在安装排泄管线时，在型号909防回流阀上采用系列909气隙。

Have been investigated by changing temperature of PVDF resolution, types of solvent, molecular weight of PVDF, weight of additive, time of solvent pre-evaporation and so on.

在完成膜蒸馏通量测试装置的基础之上，本课题对PVDF复合膜的脱盐性能进行了研究，考察了料液温度，料液盐浓度，料液流量，操作压力，操作时间，气隙距离，支撑体种类，料液中离子种类对蒸馏通量，除盐率及蒸发效率的影响规律。

In Chapter 5 and 6, a suite of calculation method of branch model and their parameters, which can fully consider the effects of various spatial harmonics, is worked out. In the last chapter, the calculation method of the asynchronous starting characteristics of the new type machines at quasi-stationary state have been discussed in details.

第四章则针对变极凸极同步电机的特点，通过对其气隙磁场谐波性质及其作用的分析，得出了若干具有理论和实用价值的结论，在此基础上，第五、六两章则提出并建立了一套能够充分考虑各种性质空间谐波影响的支路模型及其参数计算方法。

It expounds that non-linearity mechanical properties would be cansed in high speed section.as the air gap magnetic field is distributed with sine-wave, and the current of stator winding with quasi-square wave in PM brushlcss dc motor,and calculated on non-linearity properties theoretically.

阐述当气隙磁场为正弦分布和定子绕组电流为准方波时，在永磁无刷直流电动机机械特性的高速段引起的非线性，并对此非线性进行了理论计算。

The hybrid induction motor includes a housing; a stator installed in the housing and having a stator core portion and a stator coil portion; a rotor coupling body having a rotary shaft rotatably installed in at the housing, a cage rotor portion rotating integrally with the rotary shaft, and a permanent magnet rotor portion coupled to a circumference of the cage rotor portion with a certain air gap so as to be freely rotatable with respect to the rotary shaft; and a reverse rotation preventing switch, when the rotary shaft rotates reversibly, coming in contact with the permanent magnet rotor portion which is moved along the shaft by thrust generated by the rotor coupling body and cutting off power being supplied to the stator coil portion.

公开了一种混合式感应电机。所述混合式感应电机包括：壳体；安装在壳体中并且具有定子铁心部分和定子线圈部分的定子；篆字联接体，具有可旋转地安装在外壳中的旋转轴、整体地与旋转轴一起旋转的鼠笼式转子部分，以及永磁体转子部分，该部分以一定气隙连接到鼠笼式转子部分的周围以可相对于旋转轴自由旋转；以及防止反转开关，当旋转轴反转时，与永磁体转子部分形成并且切断提供给定子线圈部分的电源，其中当旋转轴反转时，转子联接体产生推力，通过该推力永磁体转子部分与反转防止开关相接触。

The conclusion shows that the airgap, pole arc, winding and slot skewing must be properly matched in order to obtain the optimum torque characteristic.

指出了该工作方式下气隙、极弧、绕组，斜槽间的合理配合可以保证方波无刷直流电动机具有较为理想的力矩特性。

In accordance with the characteristics of electrically excited six-phase synchronous motor, the control system based on air-gap-field orientation vector control is adopted in this paper.

针对电励磁六相同步电动机的特点，建立了与之匹配的基于气隙磁场定向的矢量控制系统并进行了研究。

In accordance with the characteristics of electrically excited six-phase synchronous motor, the control system based on air-gap-field orientation vector control is adopted in this paper.

针对电励磁六相同步电动机的特点，建立了与之匹配的基于气隙磁场定向的直接高温线出线单头电热管矢量控制系统并进行了研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。