Porous materials for direct and indirect evaporative cooling in buildings
X. Zhao, De Montfort University, UK
Abstract:
This chapter investigates several types of porous materials that have potential to be used as heat and mass transfer media in indirect evaporative cooling systems, namely metals, fibres, ceramics, zeolite and carbon. The investigation identifies the most suitable material and structure. The magnitude of heat/mass transfer rates in relation to air conditioning applications was analysed, and the results showed that thermal properties of the materials, i.e., thermal conductivity and water retaining capacity (porosity), have little impact on system heat/mass transfer, and therefore, these two parameters have low importance ...
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