PT Unknown AU Kromer, C Plehwe, FCv Keller, MC Schwitzke, C Bauer, H TI Analytical Model for the Heat Transfer in Impingement Cooled Spur Gears SE ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition, September 21–25, 2020, Virtual, Online. Volume 1: Aircraft Engine; Fans and Blowers PY 2021 BP Nr. EP GT2020 DI 10.1115/GT2020-14760 LA english PI Online ER