TY JOUR TI DEVELOPMENT OF ALGORITHM FOR AUTOMATED ASSESSMENT OF THE TIGHTNESS OF CONTACT SEALING CONNECTIONS OF ISOLATION VALVES KW sealing ability KW connection KW pipeline fitting KW ball valve KW pipeline system KW mathematic simulation KW model KW roughness JO Bulletin of Bryansk state technical university AU Tatarkanov, A.A. AU Aleksandrov, I.A. AU Mihaylov, M.S. AU Muranov, A.N. PY 2021 IS 2021 PB Bryansk State Technical University