Experimental and numerical tip leakage flow visualization in the LP turbine labyrinth sealKrzysztof Bochon, Włodzimierz Wrόblewski, Artur Szymański, Mirosiaw Majkut, Michał Strozik and Krzysztof MarugiE3S Web Conf., 137 (2019) 01008DOI: https://doi.org/10.1051/e3sconf/201913701008