Experimental determination of transfer characteristics in diphasic secondary fluids

M.A. Ben Lakhdar; J. Guilpart; W. Gautherin

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Experimental determination of transfer characteristics in diphasic secondary fluids

机译：双相二次流体传递特性的实验确定

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An experimenal study on diphasic secondary refrigerants (ice + water + ethanol) has been carried out. Pressure drop measurements have permitted to characterise the rheological behaviour by an Ostwald power type low. Thermal tests on ice slurry flowing in a tube around which a constant heat flux is delivered on the wall enable the determination of temperature profiles and the evolution of local Nusselt numbers. The influence of the ice mass fraction on behaviour laws and on heat transfer is studied.

机译：已经对两相二次制冷剂（冰+水+乙醇）进行了实验研究。压降测量允许通过低奥斯特瓦尔德功率类型来表征流变行为。对在管中流动的冰浆进行热测试，围绕管壁传递恒定的热通量，可以确定温度曲线和局部Nusselt数的演变。研究了冰质量分数对行为规律和传热的影响。

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《Entropie》 |1999年第221期|p.24-29|共6页
作者
M.A. Ben Lakhdar; J. Guilpart; W. Gautherin;
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原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
关键词
energetics; refrigeration machines; two-phase refrigeration fluids;

机译：能量学制冷机;两相制冷剂;

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Experimental determination of transfer characteristics in diphasic secondary fluids

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