A joint research team led by Asst. Prof. Jihui Yuan at the Dept. of Architecture and Civil Eng. of Toyohashi University of Technology, in collaboration with Osaka City University, has proposed two analytical models to evaluate the reflection directional characteristics of retro-reflective (RR) materials applied to building envelopes for urban heat island (UHI) mitigation, based on the measured data of optical experiments. It was shown that the predication result of the anisotropic body of rotation of the normal distribution function (AND) model is more accurate than that of the original analytical model.
source https://techxplore.com/news/2020-10-advanced-facade-material-urban-island.html