Study On Thermal Insulation Properties Of Double-skin Insulated Fa Ade In Hot Summer Area

In modern society buildings have been one of the major consumers of resources andenergy, leading to building energy efficiency becoming a critical problem to be researchedand solved. Widely used in various types of building, double-skin fa ades, especialdouble-skin insulated fa ades play a great role in promoting passive energy savings andinsulation in buildings for the shade effects of external layer and ventilation in the air gap.However, the current related researches are mainly focused on the aesthetic and economicaspects and lack of energy performance discussion at the construction scale. This paperaims to study the effects on thermal properties of double-skin insulated fa ades withdifferent porosity and air gap thickness.First, a literature review on building skin, energy-saving skin and double-skininsulated fa ade is carried on in this paper, followed by a comparison between fieldmeasurement data and simulation results by using CFD techniques coupled withconvection, radiation and conduction. The thermo fluid-dynamic behavior of systems withdifferent porosity and air gap thickness has been analyzed and the results conclude that thesmaller the porosity, the better the thermal performance, which is influenced much less bydifferent air gap thickness whereas. Finally, this paper outlines the potential directions offuture studies.