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- circularly grooved tube 波槽管
- circularly groove tube 波槽管
- The mainstructure parameters of spirally grooved tube are diameter of tube, fin pitch,corrugation depth, wall thickness, spirally angle and spira. 螺旋槽管(亦称螺纹管)是其中的一个重要分支,它是一种优良的高效异形强化传热管件。
- The mechanism of heat transfer enhancement of forced convective condensation with noncondensable gas on spiral grooved tube with baffle rods has been analyzed. 结果表明，扰流圈能大大增加气液边界层的湍动强度，具有优越的强化传热、传质效果。
- The reliability of numerical simulation was proved by experiment,and the relation between roll-pressing force and corrugation depth was obtained as guidance for secondary machining of grooved tube. 通过试验验证了用有限元法进行螺旋槽管材滚压成型过程模拟的可靠性,并得到了滚压力与槽深之间的对应关系,为螺旋槽管的二次加工提供了必要的实际指导依据。
- The mesh of copper tubes and loading ways of the balls are the key problems during three dimensional FE simulation of ball spinning of inner grooved tubes. 内螺纹管滚珠旋压三维有限元模拟中,铜管的网格划分和滚珠加载方式是模拟的关键问题。
- Analysis and calculation are made on the rivet force needed by the rivet sleeves with various shape and dimensions in the circular groove riveting. 对环槽铆接中不同形状和尺寸铆套所需的铆接力进行了分析和计算，结果表明铆套的尺寸和形状对铆接力有很大影响。
- Further more, the smooth circular groove surface is given based on the sweep theory of the freeform surface and the roll's topological configuration. 在此基础上,根据自由曲面扫描生成原理和环孔轧辊实体间的拓扑结构,生成了光顺的环状孔型工作面。
- In this paper, a special miller for circular groove of the scale plate in theuniversal protrator is described. The design program, structure and application are alsointroduced. 本文介绍了一种铣削万能角度只主尺圆弧槽的半自动专用铣床，详述了该机床的设计方案、结构原理和使用方法。
- The main operating groove tube, has its own production workshop warehouse, in Zhejiang Province, have a certain price and service advantages. 主经营沟槽式管件，有自己的生产车间仓库，在浙江省内有一定的价格及服务优势。
- Calculation of heat transfer surface area for spiral grooved tube 螺旋槽换热管传热面积计算
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- The full moon has a circular form. 满月呈圆形。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- I'm not satisfied with his circular explanation. 我不满意他拐弯抹角的解释。
- The full moon has a circular shape. 满月呈圆形。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- The organization issues a circular every month. 该组织每月发一份通告。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
