AUTHOR=Li Xianguo TITLE=Field grand challenge for thermal engineering JOURNAL=Frontiers in Thermal Engineering VOLUME=2 YEAR=2022 URL=https://www.frontiersin.org/journals/thermal-engineering/articles/10.3389/fther.2022.1045838 DOI=10.3389/fther.2022.1045838 ISSN=2813-0456