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首页> 外文期刊>日本機械学会論文集. B編 >Fundamental study on latent cold heat storage by means of oil droplets at low freezing point (5th Report, flow and solidification characteristics of oil droplets ascending in low-temperature water solution having various flow velocities)
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Fundamental study on latent cold heat storage by means of oil droplets at low freezing point (5th Report, flow and solidification characteristics of oil droplets ascending in low-temperature water solution having various flow velocities)

机译:利用低凝点下的油滴进行潜热蓄热的基础研究(第五次报告,在具有不同流速的低温水溶液中油滴的流动和凝固特性上升)

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摘要

Flow and solidification characteristics of tetradecane droplets [melting point of 5.8℃, latent heat of 229.1 kJ/kg, density of 770kg/m~3(At6℃) ascending in ethylene glycol water solution of 30 mass percent at low temperature were investigated experimentally in order to examine the existence of a liquid-liquid or liquid-solid direct-contact-type latent cold heat storage system. Some interesting freezing behaviors of droplets were observed under the conditions of various water solution flow velocities and oil-injection nozzle diameters by the visualization technique.
机译:实验研究了在低温30%乙二醇水溶液中,熔点为5.8℃,潜热为229.1 kJ / kg,密度为770kg / m〜3(At6℃)的十四烷液滴的流动和凝固特性。为了检查是否存在液-液或液-固直接接触式潜冷蓄热系统。通过可视化技术,在各种水溶液流速和喷油嘴直径的条件下,观察到了一些有趣的液滴冻结行为。

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