AUTHOR=Judd K. Peter , Handler Robert A. TITLE=Editorial: Applications of Infrared Methods in Fluid Mechanics JOURNAL=Frontiers in Mechanical Engineering VOLUME=5 YEAR=2019 URL=https://www.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2019.00066 DOI=10.3389/fmech.2019.00066 ISSN=2297-3079