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1·The test results and performance of enhanced heat transfer in internally ribbed tube was evaluated.

对内螺纹管的强化传热效果进行了评价，分析了内螺纹管强化传热的机理。

2·Today ribbed tube has been widely applied in economizer and improves on the boiler's safety and economics.

实践证明，它对提高锅炉安全、经济性有重要意义。

3·In this article the test results of the flow characteristics of the two phase flow within a quadruple-lead ribbed tube on a test bed are described.

本文介绍了在气水双相试验台上进行的国产四头内螺纹管中流动特性的试验情况。

4·The pressurized vessel of a nuclear reactor consists of three parts: the top cap, the ribbed tube-plate and the shells (the external shell and the bottom shell).

反应堆压力容器包括顶盖、加肋管板，壳体(外壳和底部壳体)三部分。

5·Experiments on heat transfer and frictional pressure drop of kerosene of single phase flow in the internally ribbed tube were conducted and compared with those of smooth tube.

对煤油在内螺纹管中的单相紊流传热和摩擦阻力特性进行了实验研究，并将实验结果同煤油在光管中的实验结果作了比较。

6·The present paper reports pool boiling experiments of the mechanically made porous surface tubes with ribbed tunnels (JK-2 tube).

本文报道了肋形隧道机械加工表面多孔管(JK—2管)单管管外池沸腾实验。