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245	1	0	_aThe thermal conductivity of foams. I: models for heat conduction
490	0		_vJ. Phys. D: Appl. Phys., 26(5), p.733-739, 1993
520	3		_aThe transfer of heat through a cellular material is considered, taking into account conduction in the solid and gas phases, but excluding radiation and convection. Formulae are derived which relate the apparent condudivity of the material to the ConduCZiVities of the component phases and to the denslty. Some published methods of reaching such a conclusion are critically reviewed and compared, It is shown by binomial expansion that the various formulae tend to the same approximate result for foams of low density.
700	1	2	_aLeach, A.G.
856	4	0	_uhttps://drive.google.com/file/d/1xbDoZgWK_YGxvO-ggX1syIsW5QYHe9GU/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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