• Maximum wall superheat does not always exist at the top of the boiling surface.

    壁温过热度沿高度分布存在极大值,且该极值并不总在通道顶部;

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  • A method has been presented to predict the nucleation site density in nucleate boiling based on the investigation of the microstructure of boiling surface.

    提出了一种基于沸腾表面微结构分析的预测核态沸腾中汽化核心密度的方法。

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  • Through the investigation, the gas trapping cavities on boiling surface are identified and a data set of the mouth diameters of gas trapping cavities is got.

    通过对沸腾表面微结构进行分析,沸腾表面上具备贮藏气体条件的凹坑被识别出来,并且得到一个这些具备贮藏气体条件凹坑的开口半径的数据集合。

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  • A new method has been presented to predict the nucleation site density in nucleate pool boiling based on the investigation of the microstructure of boiling surface.

    本文提出了一种新的基于沸腾壁面微结构分析的预测核态池沸腾中汽化核心密度的方法。

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  • The mantle's motions, analogous to those in a pot of boiling water, cool the mantle by carrying hot material to the surface and returning cooler material to the depths.

    地幔的运动类似于一壶沸水的运动,它把热的物质带到表面,再把较冷的物质带到深处,从而使地幔冷却。

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  • With the high temperatures, there must be sufficient cloud cover to keep any water on the surface from boiling.

    由于温度较高,必须有足够的云彩才能防止星球表面的水分不会出现沸腾。

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  • Why you Might Do It: If your discontent dwells directly below the surface and is constantly seeping through, there's probably resentment, regret, or frustration boiling beneath.

    可能原因:如果你的不满和表面只相隔“一张纸”而且它不断地在渗出,可能在外表下有怨恨、后悔或沮丧在沸腾。

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  • The heat transfer efficiency and boiling hysteresis are affected by the method to change heat loading, the maximum initial heat loading, and surface aging before heating.

    热负荷的改变方式、最高初始热负荷以及加热前表面状态均将显著影响T管的沸腾传热性能和滞后现象。

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  • For efficiently cooling electronic components, experiments were conducted to study the pool boiling heat transfer performance of FC-72 over silicon chips with surface microstructures.

    针对电子器件的高效冷却问题,对表面加工有微结构的硅片上FC- 72的池沸腾换热性能进行了实验研究。

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  • Effects of the liquid property, flow rate, material and surface characteristic, temperature and boiling on the fouling of heat transfer equipment are analyzed.

    分析了换热设备结垢的主要影响因素:流体性质、流体流速、材质及表面状况、温度和沸腾等。

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  • 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。

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  • Nucleate boiling heat transfer on a vertical cylindrical heated surface with a concentric outer tube was investigated when air was introduced into the boiling liquid.

    研究了带有同心套管的垂直圆柱形加热表面在环隙中通入空气时的核沸腾传热性能。

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  • Besides, there is a changeover from explosive boiling state to conventional boiling state on the heating surface, and the transition can be denoted by changeover time.

    同时,加热表面上方还会出现由爆发沸腾向常规核态沸腾的过渡,通过转变时间这一特征参量能够对两种沸腾形态进行划分。

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  • The situation of strengthened boiling heat transfer of perforated surface for clad metal wire mesh was mentioned.

    综述了复合金属丝网多孔表面的强化沸腾传热现状。

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  • It was found from the experimental results that air introduction can significantly enhance the boiling heat transfer and make the temperature of heated surface lower.

    结果表明,通入空气使沸腾传热系数有所提高,并且加热表面温度有所降低。

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  • The experimental study on the performance of nucleate boiling of R22 outside the surface enhanced evaporation tubes was conducted by use of four two-sides enhanced tubes with different geometries.

    介绍了表面增强型蒸发强化管,并对氟利昂制冷工质R22在该管外的沸腾换热进行了实验研究。

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  • The transient temperature field at surface of a stainless steel micro-tube, in which flow boiling of water occurs, is measured by the Infrared Radiometer.

    本文利用红外热成像仪对不锈钢微管内水的流动沸腾的壁面瞬态温度场进行了测量。

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  • When the moderator announced that the next guest performers David Tao is, I do with the surface as if nothing had happened, in fact already boiling heart!

    当主持人宣布下一位表演嘉宾是陶喆时,我表面装做若无其事,实际上内心早已沸腾!如果不是我爸妈都在,我肯定会大声跟着唱的!

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  • The alcohol treatment mechanism is that the invaded water can be removed by decreasing surface tension and forming low boiling point azeotrope.

    这是因为醇可以减小表面张力,与水或水和烃形成低沸点共沸物,将侵入的水排出。

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  • A steady heat transfer experiment was carried out for predicting the critical heat flux (CHF) of convective boiling for a round R-113 liquid jet impingement on the stagnation zone of a hot surface.

    对高温平板滞止区内R- 113的喷流冲击沸腾的临界热流密度(CHF)进行了系统的稳态实验研究。

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  • Porous surface tubes exhibited excellent performance in enhancing boiling heat transfer, with the deionized water, ethanol and xylene as the working fluids.

    在去离子水、乙醇、二甲苯三种介质中的沸腾传热测试表明表面多孔管具有优良的强化沸腾传热性能。

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  • The effect of surface tension on boiling heat transfer has been eliminated for the boiling bubbles which are constrained, squeezed and deformed when boiling happens in the narrow channel.

    在窄缝流道内发生沸腾换热现象时,由于沸腾产生的汽泡受窄缝流道的限制,受压变形而消除了汽泡表面张力对传热的影响。

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  • An experimental and theoretical study was conducted to investigate the incipient boiling condition of smooth heat transfer surface immersed in highly wetting liquids in the paper.

    对浸泡在强润湿性液体中的光滑传热表面的沸腾起始状态进行了实验及理论研究。

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  • An experimental investigation was carried out to predict the Critical Heat Flux (CHF) of convective boiling of 2 subcooled liquids for a round jet impingement on the stagnation zone of a hot surface.

    本文对高温平板滞止区内三种过冷液体的圆形喷流冲击沸腾的临界热流密度进行了系统的稳态实验研究。

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  • During the daytime, the sun heats the surface and bubbles of air form and rise into the sky, like the bubbles on the bottom of a pan of boiling water.

    白天,太阳将地表加热,空气团上升到天空中,如同一锅沸水锅底的气泡。

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  • New group contribution methods of estimating the surface tension at boiling point were proposed for the first time.

    首次用基团贡献法估算了沸点下表面张力。

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  • The surface temperature of the droplet before and after the bubble burst under local boiling was also investigated.

    同时对液滴局部沸腾时气泡破裂前后液滴表面温度分布进行了研究。

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  • A steady heat transfer experiment was carried out for predicting the critical heat flux (CHF) of convective boiling for a round R-113 liquid jet impingement on the stagnation zone of a hot surface.

    本文对高温平板滞止区内三种过冷液体的圆形喷流冲击沸腾的临界热流密度进行了系统的稳态实验研究。

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  • A steady heat transfer experiment was carried out for predicting the critical heat flux (CHF) of convective boiling for a round R-113 liquid jet impingement on the stagnation zone of a hot surface.

    本文对高温平板滞止区内三种过冷液体的圆形喷流冲击沸腾的临界热流密度进行了系统的稳态实验研究。

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