Study on Radiative Cooling Performance Assisted with Infrared Transparent Bubble Wrap
Covering the radiant cooling surface with infrared transparent membrane is an effective measure to improve the ability of preventing condensation and cooling of radiative cooling panels.However,the poor mechanical properties of infrared transparent hollow membrane affect the application of infrared transparent membrane assisted radiation cooling technology.Inspired by the multi-section hollow structure of natural bamboo,an infrared transparent bubble wrap with an integrated structure of infrared transparent membrane and an air layer is proposed to study the improvement effect of the infrared transparent bubble wrap on radiant cooling performance.The results showed that:1)The maximum cooling capacity of the infrared transparent bubble wrap assisted radiant cooling is 93.54 W/m2,which is 33％higher than that of traditional radiant cooling;2)Compared with the infrared transparent hollow membrane,the puncture resistance of the infrared transparent bubble wrap is improved by 76％,while the infrared transmittance is only reduced by 5.73％,and the corresponding cooling capacity is only reduced by 13％.Therefore,compared with the traditional radiant cooling,the infrared transparent bubble wrap significantly improves the cooling capacity on the premise of preventing condensation;compared with the infrared transparent hollow membrane,its strength is obviously improved,which provides a new method and experimental data reference for improving the performance of radiant cooling technology.
NETL
NSTL
万方数据
