1) collateral vascular bundle
外韧维管束
2) Bicollaterlal bundle
双韧维管束
3) hadrocentric bundle
周韧维管束
4) leptocentric vascular bundle
韧皮中心维管束
5) ectophloic siphonostele
外韧管状中柱;外韧维管状中柱
6) external three-dimensional finned tube banks
三维外肋管束
1.
In this paper, the heat transfer and friction characteristics for cross-flow over staggered new external three-dimensional finned tube banks developed by the Chongqing University of China are investigated by means of cross optimization experiment.
实验结果表明 :与光管管束相比 ,在Re=2 90 0～ 1 40 0 0范围内 ,三维外肋管束的换热系数增大了 1 。
2.
In this paper, the influence of geometric parameters of fins on the characteristics of heat transfer and friction for crossflow over staggered new external three-dimensional finned Tube banks invented by Chongqing university (B section) of China are investigated by means of comparative experiment and optimal experiment.
在Re=2900～14000范围内，9组三维外肋管束的平均Nu数为光管管束的平均Nu数的1。
补充资料：毛茛茎横切，示维管束
李正理提供
[图]
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