TY JOUR TI INDICATOR METHOD OF INVESTIGATION OF CONTACT DEVICE KW indicator method KW experiment KW disk rotary apparatus KW contact device KW hydrodynamics JO Modern Technologies and Scientific and Technological Progress AU Bal'chugov, A.V. AU Badenikov, A.V. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»