A comparative study of the dynamic stability of a rotor supported by an air-bearing and an air-ring bearing: DYNAMIC STABILITY OF AIR-BEARING AND AIR RING BEARING. Indian Journal of Engineering and Materials Sciences (IJEMS), [S. l.], v. 30, n. 4, p. 629–645, 2023. DOI: 10.56042/ijems.v30i4.5038. Disponível em: https://or.niscpr.res.in/index.php/IJEMS/article/view/5038. Acesso em: 13 may. 2026.