%0 Journal Article %T COMPARATIVE ANALYSIS OF USING COUPLING FLUIDS IN FLAW DETECTION ON THE EXAMPLE OF ULTRA-SOUND CONTROL OF AN ALL-ROLLED WHEEL SURFACE %A Otoka, A.G. %A Holodilov, O.V. %K fluid, viscosity, ultrasonic control, wheelset, piezoelectric transducer, sensitivity, control %J Transport engineering %D 2024 %N 2024 %P 7 %I Bryansk State Technical University