RWD

A Study on the Effect of Torque-sensing LSD on the Handling and Stability of a RWD Vehicle

转矩式限滑差速器对后轮驱动汽车操纵稳定性影响的研究

These researching achievements offer some scientific theories foundations for the RWD BHA optimization designs and it 's construction .

为随钻扩眼钻具组合的优化设计和施工提供了科学的理论依据。

Calculating Method and Effect on ROP of Ratio for WOB of RWD Tools toroidal coupled MWD

随钻扩眼工具钻压分配比的计算方法及对钻速的影响

So RWD string 's strength should be fully attached importance to in optimization RWD designs and in the actual construction works .

在优化设计随钻扩眼组合和实际施工作业中，应充分重视钻具组合的强度问题。

The RWD cars usually have their engines placed longitudinally and the wheels are placed near the corners .

后驱的车通常纵列引擎，轮子被安放在角落处（即前悬短，参考宝马车&译者）

Introduction for LD Brand RWD / KFH-Type Electrostatic Precipitator

RWD/KFH型电除尘器产品介绍

The tangential load of the RWD string , i.e. the torsion load , does a striking effect on its deformation and strength .

随钻扩眼钻柱所受的周向载荷，即扭转载荷对变形和强度影响显著。

The RWD is an effective means to solve sticking in complex deep wells , apply the un-conventional well profile and improve cementing quality .

RWD随钻扩眼是解决复杂深井阻卡、非常规井身结构应用和提高固井质量的有效手段。

An equation calculating the critical length between the pilot bit and the reamer was set up if the RWD tool could be taken as a rigid body .

应用弹性力学基本原理，得出了双体随钻扩眼工具可以作为刚体，其领眼钻头与扩眼体之间临界长度的计算表达式。

Three-dimension drilling stem strength analysis based on considering the torsion load and studies deformation , bend-moment , stress , the distribution characteristics of RWD BHA was made .

在考虑扭转载荷的基础上进行的三维钻柱组合强度分析，对随钻扩眼下部钻具组合的变形、钻具组合的弯矩和应力大小及其分布规律进行了研究。

Therefore , an elastoplasticity FEA model was established based on the Mohr-Coulomb rule , to simulate the mechanical mechanism of the rock-cutting action of RWD .

为此，建立了弹塑性有限元力学分析模型，运用莫尔-库仑强度准则，用数值分析的原理和方法模拟了随钻扩眼时扩眼器破岩的力学机理。

It is very important to quicken domestic RWD technology development and application , research on RWD BHA design and mechanics analysis , adapting the deep and ultra-deep wells development .

加快国内随钻扩眼技术的发展与应用，进行随钻扩眼钻井组合设计及其受力分析研究，适应复杂深井超深井钻井的发展，具有重要的现实意义。

" I wrote the song just to write a beautiful song and I intend to put it on the new album , yes ," GaGa told RWD .

我写歌只是为了能够写出很优美的作品，而且我会把他们放到我的新专辑中。

Moreover , study is made on deformation and stresses of adjacent rocks , which will provide a basis for research on rock-cutting rules of RWD , and improvement of reamers .

并对井眼围岩变形和应力分析及强度进行了研究，为研究随钻扩眼的破岩规律和对扩眼器进行改进提供了一种方法和研究的基础。

The maximums of root length density ( RLD ) and root weight density ( RWD ) of 4 quadrats in surface layer ( 0 ~ 30 cm ) occur due to annual plants developing .

受一年生植物的影响，9月份4个样地表层（0~30cm）细根的根长密度和根重密度均出现最大值。

The results of simulation analysis and road testing indicate that torque-sensing LSD can increase the tendency of understeer , that is , improve the handling and stability of a RWD vehicle , but also increase the steering torque slightly .

通过仿真分析和道路试验研究表明：装用限滑差速器后增加了后轮驱动车辆的不足转向趋势，即改善了操纵稳定性，但转向力矩略有增加。

In the paper , based on solid mechanics finite element theories and considering RWD tool ′ s torsion , a three-dimension finite element mechanical model of RWD BHA strength analysis was established , and the stress field of BHA was obtained by the model .

以固体力学有限元理论为基础，考虑了钻具扭矩，建立了RWD随钻扩眼下部钻具组合强度分析的三维有限元力学模型，求解并得到了下部钻具组合的应力场。