Experimental data for natural convection heat transfer from a horizontal cylinder in the Rayleigh number range higher than 2 × 107 have been obtained in this paper.

The recirculation cavity flows caused by temperature difference are simulated, and the relations between the flow patterns and the Rayleigh number are analyzed.

对由温差引起的空腔流动进行了模拟，分析了流动特性与雷利数的关系。

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According to the curves of local and average heat transfer coefficients, the effect of Rayleigh number and aspect ratio was studied.

在对局部和平均换热系数分析的基础上，整理了瑞利数Ra.L和高宽比H/L对平均换热系数的影响。

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The heat transfer coefficient rises with Reynolds number, and varies slightly with the increase of Rayleigh number.

反映在无量纲参数上，随着进口雷诺数的提高，盘腔内的换热增强；

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The critical Rayleigh number is regarded as a function of time and is expanded in series of a small parameter.

nard对流，文中将临界Rayleigh数当作时间的函数，并将其按小参数展开成级数。

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A experimental study of natural convective heat transfer of air in vertical annular on the high Rayleigh number condition

高Rayleigh数条件下竖圆环夹层内自然对流换热的实验研究

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An Experimental Study for High Rayleigh Number Flow Pattern in a Building Interior Space

高Ra数条件下室内自然对流形态的实验研究

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Specially it is not obvious under lower Rayleigh number effect, and under high Ra number, the natural convection heat transfer in the enclosure is stronger.

特别的，在低瑞利数下增强效果不明显；在高瑞利数下，腔体内自然对流换热增强较显著。

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It is found that the growth rate of perturbation in linear stage is function of relative Rayleigh number r.

发现扰动的线性阶段成长率是相对瑞利数r的函数。

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You are about to open a file thata non-standard extension .

您即将开启 非标准 副档名的档案名称.

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The door was opened by a swarthy foreign-looking maid, with a prominent bosom under a gay neckerchief, whom he vaguely fancied to be Sicilian.

一位黑黝黝的异国面孔的女佣开了门。她胸部高高隆起，戴着花哨的围巾，他隐隐约约觉得她是个西西里人。

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" Well, the world would be a lot better off if there were more like him," the pompous, swarthy little man now said virtuously, as if this sentiment expressed his own pious belief and practice.

“呃，要是人人都像他一样，世界一定会更好吧？”那个自命不凡的黑小个子男人有良心地说，似乎这就是他自己真诚的信仰和习惯一样。

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Italian stallions just make it into the top ten, in ninth position, with their swarthy good looks winning over women from around the world, while sleek Tel-Aviv takes tenth position.

意大利帅哥勉强挤进前十，排在第九位。他们黑黝黝的皮肤和帅气的长相赢得了世界各地女人的芳心。

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The goblin was about a head shorter than Harry. He had a swarthy, clever face, a pointed beard and, Harry noticed, very long fingers and feet.

那个妖精大约比哈利矮一个头，他有一张黑黝黝的机灵的面庞，尖尖的胡须，而且哈利注意到他的手指和脚十分长。

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It seems like yesterday, says the designer, a swarthy 40-year-old who is today sporting a slight peppering of stubble and short, cropped hair.

一切就像发生在昨天的事，皮肤黝黑的设计师如是说，他今年已届不惑之年，今天的他理了一头稍显浓密而又粗硬的短平发。

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The face was saturnine and swarthy, and the sensual lips* twisted with disdain-Oscar Wilde.

脸色阴沉面带讥讽的，性感的嘴唇不屑的撇着。

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His skin was curiously and unpleasantly swarthy, and save for a fringe of thin black hair at either side, his head was completely bald.

他的皮肤是种奇怪的难看的黑色，头上除了边缘两侧几根黑发外，几乎就是秃头了。

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We called them "Mexicans" for operational security, and also because we hoped that their swarthy looks might make the cover plausible.

出于军事安全，我们对外称呼他们是“墨西哥人”，也因为我们希望他们黝黑的外表能让这个伪装身份可信。

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You'll grow ragged and weary and swarthy.

你会变的粗糙，疲倦和黝黑。

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He was a remarkable-looking man, dark and swarthy, with curiously broad shoulders.

他是一个长相非凡的人，肤色暗淡而黝黑，肩膀宽得另人好奇。

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He had the swarthy complexion of someone who had spent a fair amount of time under the sun, working the land.

他肤色黝黑，像个长期顶着太阳在田间劳作的农民。

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