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Information × Registration Number 0208U002069, 0107U001862 , R & D reports Title Investigation of ultrasonic low frequency waves propagation and their interaction with defects of pipes of small diameter. popup.stage_title Head Troitskiy Vladimir A., Доктор технічних наук Registration Date 15-01-2008 Organization E.O.Paton Electric Welding Institute of the National Academy of Sciences of Ukraine popup.description2 Equipment analisis was perfomed on the basis of tubes and methods of their control. Method of heat exchanger tube control by low-frequency ultrasonic directional waves from the side of the inner hole was substantiated. Features of propagation of directional waves in tubes, principle and mechanism of their interaction with defects of corrosion damage type were considered, and experimental studies of the process of propagation of directional waves in heat exchanger tubes 4 m long were conducted. Product Description popup.authors popup.nrat_date 2020-04-02 Close