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The assessment of the technical condition of the bearing seals of the rotor shaft in a turbine helicopter engine based on the PM content in the exhaust gases
The paper presents the method of measurement of the particulate matter in the exhaust gases of a Rolls-Royce Allison 250-C20B turbine engine in the aspect of the assessment of the technical condition of the bearing seals of the rotor shaft. The tests were carried out on 4 engines using a Horiba TEOM 1105 PM analyzer fitted with a mini dilution tunnel – Micro Diluter 6100. The paper also presents the method of determining of the engine technical condition index (bearing seals) developed by thedoi:10.19206/ce-117030 fatcat:zkwo2mk4vnftfeztuxtvbxuqty