Alexandr Vinogradov, Renat Badykov, Clovis Pilla, Research of the Thermal State of Aviation Engine Supports, Research Journal of Applied Sciences, Volume 9,Issue 11, 2014, Pages 789-794, ISSN 1815-932x, rjasci.2014.789.794, (https://makhillpublications.co/view-article.php?doi=rjasci.2014.789.794) Abstract: This study discusses the main sources of heat transferred to the support of an aircraft engine; explores ways to identify and give them a quantitative comparison. A technique for determining the thermal state of supports of aircraft engines was developed this makes it possible to select a desired cooling system as well as to evaluate and adjust the basic parameters of the engine oil system. Keywords: Heat flow;temperature;heat transfer coefficient;friction;seal;bearing;cooling