The optimum tube spacing equals approximately to the departure diameter of the bubbles during a pool boiling.
最佳管距对应的管束水力当量直径近似等于池内沸腾时的气泡脱离直径。
The tube spacing cattle brand products have reached the theoretical limit of 61 mm, inner tube hole connection is only 7mm.
目前牛牌产品的管间距已达到理论极限—61毫米，内胆管孔连接处仅为7mm。
To tie in with a wide range of design requirements, the installation of ceiling tube spacing and pattern design can be customized according to engineering requirements.
为配合多元化的设计要求，圆管天花的安装间距及款式设计，可按照工程需求定制。
The comparison of heat transfer performance with three different fin spacing, three different Numbers of tube rows and three different Numbers of tubes under three constraints is carried out.
然后通过三种限制条件对不同翅片间距、不同管排数和不同管数下的换热板芯的传热性能进行了比较。
Within the range of experiment, increasing fin height or decreasing spacing of fins of petal-shaped fin tube is helpful to improve the performance of heat transfer enhancement.
在实验范围内，花瓣管翅片高度的增加、翅间距的减少都有利于传热强化性能的提高。
Dual wall tube bending to protect inter-tubular spacing.
双重壁管弯曲，以保护跨管间距。
Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.
除去延长管缩短间隔让任何的用两眼的观众到达没有一个巴罗镜的焦点。
This combination gives the same effect as an array of closely spaced tube silencers, however, by spacing the silencers in two directions, fluid is allowed to flow freely.
该组合给出了与紧密间隔的管道消音器阵列相同的效果-然而-由于沿着两个方向分隔开消音器，流体可以自由地流动。
By using new type tube arrangement, rationally adjusting support spacing of cooling tubes, and replacing cooling tubes, the old condenser was retrofitted in overhaul period.
通过采用新型排管方式、合理调整冷却管支撑间距，并同时更换冷却管材的方法在大修期内对凝汽器进行了改造。
The sand retention apparatus is composed of an upper joint (1), a central tube (2), a retention ring (3), a sealing element (4), a spacing ring (5), an adjusting ring (6) and a bell mouth (7).
此种挡砂器由上接头(1)、中心管(2)、挡环(3)、密封件(4)、隔环(5)、调节环(6)和喇叭口(7)组成。
The sand retention apparatus is composed of an upper joint (1), a central tube (2), a retention ring (3), a sealing element (4), a spacing ring (5), an adjusting ring (6) and a bell mouth (7).
此种挡砂器由上接头(1)、中心管(2)、挡环(3)、密封件(4)、隔环(5)、调节环(6)和喇叭口(7)组成。
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