Low porosity foams

DOI: 10.1615/thermopedia.0000165

For low-porosity closed cell foams, bubbles or cavities can be treated as a dispersed phase, while the surrounding host medium is a continuous phase. In various situations, the presence of bubbles affects the thermophysical and radiative properties of the two-phase system. Earlier investigations pointed out the effects of bubbles on the scattering characteristics of semitransparent systems, particularly in the visible and infrared spectral ranges. In natural phenomena and the manufacturing process, the influence of bubbles on scattering of light in the ocean (Zhang et al., 1998) and the gl ...

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