1) Plum blossom-shape Ribbed tube
梅花凸筋管
2) Plum Blossom Shape Ribbed Copper Tube
梅花凸筋铜管
3) inside-ribbed tube
内凸筋管
4) inner-ribbed copper tube
内凸筋铜管
1.
The effect of the rib-shape of an inner-ribbed copper tube, including the rib-number, the rib-heighr, the helix-angle and the rib-top angle, on the evaporating and the condensing heat-transfer characteristic has been investigated.
探讨了内凸筋铜管的筋形（包括筋条数、筋高、螺旋角、齿顶角）对蒸发、冷凝热传导性能的影响，并从中得出各参数的最佳值。
5) rifled tubes
内螺旋凸筋管
1.
Finite element modeling and simulationg of the cold drawn rifled tubes;
冷拔内螺旋凸筋管的有限元建模及其仿真实现
2.
Based on the elastic-plastic FEA theory of three-dimension large distortion,this paper simulates the process of the cold drawing rifled tubes by MSC.
本文基于三维弹塑性大变形有限元分析理论,通过对内螺旋凸筋管冷拔成形过程进行有限元仿真,建立增量步与拉拔力的关系,提出了拉拔力的计算方法。
6) spirally inside-ribbed copper tube
内螺旋凸筋铜管
补充资料：凸凸
1.高出貌。
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参考词条