Aiming at the problem that eccentricity of casing in circular hole happened in thermal well,the finite element model is established and the effect of casing eccentricity on wellbore temperature field,casing stress and displacement were analyzed.
针对热采井中套管在圆形井眼中出现偏心的问题建立了有限元模型,分析套管偏心对井筒温度场和套管应力、位移的影响。
A numerical simulation is performed for the threedimensional laminar conjugated heat transfer in a concentric tube recuperator with longitudinal fins.
数值模拟了带均布纵肋同心套管内的三维导热和对流耦合换热,研究了肋高及肋数对摩擦阻力系数和平均Nusselt数(Nu)的影响。
The thermal energy storage unit involves a triplex concentric tube with phase change material (PCM) filling in the middle channel.
通过数值模拟与实验,研究了三重同心套管内的相变传热过程。
Numerical Simulation of Discharging Process for a Shell-tube Phase Change Thermal Storage
同心套管式相变蓄热装置凝固过程的数值模拟
Numerical Analysis of Mixed Convective Heat Transfer in Vertical Concentric Cylinders Filled with a Porous Medium;
竖直同心套管内多孔介质中复合对流传热的数值研究
slip-on type pipe base screen
套在中心管上的筛管
Both the derrick deviation and the wellheads eccentricity will cause the serious wearing of the casing (or casing protecting tube) close to the wellhead.
井架不正或井口偏心，会造成近井口套管（或套管防磨套）的磨损。
150CM CAVAFIX CERTO SPLITTO 475
中心静脉导管-贝朗方法套管可分裂
contrarotating propeller
同心套轴的两个对转螺旋桨
contra turning propeller
同心套轴的两上对转螺旋桨
Socket/spigot 1;Socket/spigot 2;Socket/spigot 3;Socket/spigot 4
管座/套管 1;管座/套管 2;管座/套管 3;管座/套管 4
An adapter threaded to permit joining of pipes with different diameters.
导线套管允许不同直径的导线形成的导线束通过的衬套
Reliability Analysis on Corollary Parts of Machining Center in Collaborative Environment
协同环境下加工中心配套件可靠性分析
The tubular-cased heating element is the same type as those used in cook stoves.
套管式加热元件与电烤炉中所用的相同。
Research on electro-hydro-dynamics enhancement in convection heat transfer of kinds of tubes in annulus
电场强化夹套间不同构造管对流传热研究
An Effective Heterotopic Heart Transplant Model in Rats
肾静脉套管法建立大鼠腹部心脏移植模型
Effects of propranolol on rebleeding following endoscopic esophageal variceal ligation: a prospective, controlled trial
心得安对食管曲张静脉套扎后再出血的影响
tubing-casing annulus
油套-套管环形空间
fitting rubber liner for stern tube
尾轴管橡胶衬套嵌套
The effects of casing diameter on acoustic log in cased-borehole at free pipe situation are investigated with finite element method( FEM).
用有限元方法研究了自由套管井中不同直径的套管对声波测井的影响。
The surgeon connects the plastic tubes (known as cannulae) from the heart-lung machine to the patient.
外科大夫用塑料管（俗称套管）把心肺机与患者连接起来。