Research on the Ratio between the Convection and Radiation Heat Exchange Amount of the Face and Head of Manikin in the Thermal Comfort ConditionXinwei Yang, Lihui Wang, Xinhui Bai, Changjiang Ma, Jianan Ma and Jialiang ZhuE3S Web Conf., 356 (2022) 02053DOI: https://doi.org/10.1051/e3sconf/202235602053