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首页> 外文会议>NATO Advanced Research Workshop on Liquids Under Negative Pressure Feb 23-25, 2002 Budapest, Hungary >LIMITING TENSILE STRENGTH OF CAPILLARY-CONDENSED LIQUIDS
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LIMITING TENSILE STRENGTH OF CAPILLARY-CONDENSED LIQUIDS

机译：限制毛细管浓缩液的拉伸强度

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摘要

Condensation of vapours into mesoporous adsorbents occurs spontaneously at pressures less than their saturation vapour pressure. The thermophysical properties of the resulting capillary liquids, density, thermal expansivity, isothermal compressibility and heat capacity are similar o those of the corresponding bulk liquid. However, the liquid-vapour interface may be highly curved resulting in a large tension or negative pressure within the capillary liquid. Since the liquid is thermodynamically stable, homogenous nucleation of the vapour phase is suppressed but increasing the tension may eventually lead to its rupture by spinodal decomposition. Conditions under which vapours condense into small pores and the requisite adsorbent properties will be discussed. Experimental results for several vapours and adsorbents will be presented.
机译：在低于其饱和蒸气压的压力下，蒸气会自发凝结为中孔吸附剂。所得毛细管液体的热物理性质，密度，热膨胀性，等温可压缩性和热容量与相应的本体液体相似。然而，液-气界面可能是高度弯曲的，从而导致毛细管液体内的大张力或负压。由于液体是热力学稳定的，因此可以抑制气相的均匀成核，但是张力的增加最终可能会由于旋节线分解而导致其破裂。将讨论蒸汽凝结成小孔的条件和必要的吸附剂性能。将介绍几种蒸气和吸附剂的实验结果。

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