Application of numerical modelling in stream metrology on the example of primary air installationMirosław Kabaciński, Janusz Pospolita, Janusz Polak, Piotr Adamus, Antoni Salij and Kazimierz SumaraE3S Web Conf., 82 (2019) 01006DOI: https://doi.org/10.1051/e3sconf/20198201006