TY JOUR TI THE METHODS OF VISUALIZATION OF SURFACE PHENOMENA IN GAS-LIQUID SYSTEMS KW surface phenomena KW convection KW visualization KW optical methods JO Modern Technologies and Scientific and Technological Progress AU Podoplelov, E.V. AU Bal'chugov, A.V. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»