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首页> 外文期刊>International Journal of Heat and Mass Transfer >The effect of surfactants on bubble growth, wall thermal patterns and heat transfer in pool boiling
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The effect of surfactants on bubble growth, wall thermal patterns and heat transfer in pool boiling

机译：表面活性剂对池沸腾中气泡生长，壁热模式和传热的影响

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摘要

During nucleate pool boiling of pure water and water with cationic surfactant, the motion of bubbles and the temperature of the heated surface were recorded by a high-speed video camera and an infrared radiometer. All experiments were performed at saturated boiling conditions. The boiling curves for various concentrations were obtained and compared. The results show that the bubble behavior and the heat transfer mechanism for the surfactant solution are quite different from those of pure water. The heat transfer dependence on the relative changes of both the surface tension and the kinematic viscosity was discussed.
机译：在纯水和带有阳离子表面活性剂的水的核池沸腾过程中，通过高速摄像机和红外辐射计记录气泡的运动和受热表面的温度。所有实验均在饱和沸腾条件下进行。获得并比较了各种浓度的沸腾曲线。结果表明，表面活性剂溶液的气泡行为和传热机理与纯水完全不同。讨论了传热对表面张力和运动粘度的相对变化的依赖性。

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