TY - RPRT TI - Convection from Hemispherical and Conical Model Ice Roughness Elements in Stagnation Region Flows AU - Hughes, Michael T. AU - Shannon, Timothy A. AU - McClain, Stephen T. AU - Vargas, Mario AU - Broeren, Andy PY - 2016 UR - https://ntrs.nasa.gov/citations/20170000249 ID - 20170000249 ER -