1) annular friction drag
环空摩耗
2) annular friction drag
环空摩阻
3) annular pressure loss
环空压耗
1.
Casing program design of mega-extended-reach wells is complex,and in order to design in reason its casing program,based on the principle of pressure balances in the casing program design in the vertical wells,the relationships among pore pressure,fracture pressure and annular pressure loss in the long open-hole section with high inclination in mega-extended-reach wells are discussed.
超大位移井井身结构复杂,为合理设计其井身结构,从垂直井井身结构设计的压力平衡原理出发,针对大斜度井段垂深变化小且裸眼井段很长、大斜度裸眼井段最容易在测深最大处被压裂的特点,通过计算钻井液的当量循环密度,研究了超大位移井大斜度裸眼井段的地层压力、破裂压力和环空压耗之间的关系,得出套管最大下深及允许最大环空压耗的计算公式。
4) the annular cyclic pressure loss
环空循环压耗
1.
Therefore,a downhole tool that can reduce the annular cyclic pressure loss and introduced its structure,principle of work and technical parameters were put forward.
提出了一种减小钻井泥浆环空循环压耗的井下工具,介绍了该工具的结构、工作原理、技术参数。
5) frictional power consumption
摩擦功耗
1.
The frictional power consumption in piston ring group were analyzed.
根据流体动力润滑理论与活塞环载荷方程,分析了一个气环与两个气环的不同摩擦功耗。
6) friction loss
摩擦损耗
1.
The failure of connecting rod bearing shell of engine induced by friction loss was studied using linearial mechanics,and the reason for producing of microcrack was analyzed.
采用线性力学的方法对发动机连杆轴瓦摩擦损耗导致的疲劳破坏失效问题进行了研究,对微裂纹形成的原因进行了分析,经过试验证明可以通过降低摩擦损耗区内的单位分布能量,以及提高材料抗生成、扩展初始微裂纹的能力的方法来提高连杆轴瓦的使用寿命。
2.
This paper analyze the relation between the scroll s geometric parameter and the friction loss,leakage loss in scroll compressor with a self-adjusting mechanism for backpressure.
分析了具有背压腔结构的基圆渐开线型立式涡旋压缩机涡盘摩擦损耗、动静涡盘间的泄漏损耗与涡盘几何参数的关系,得出总有一组涡盘几何参数在满足压缩机设计要求和加工工艺要求下,能使涡盘上产生的摩擦损耗和泄漏损耗之和最小的结论,提出了基于涡盘上产生的摩擦损耗和泄漏损耗之和最小的涡盘几何参数的设计方法。
补充资料：环空摩耗
分子式：
CAS号：
性质：又称环空摩耗或环空摩阻。在环形空间部分发生的压力损失。
CAS号：
性质：又称环空摩耗或环空摩阻。在环形空间部分发生的压力损失。
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