Henryk Pietrzak
Zarządzanie w Kulturze, Tom 14, Numer 4 , 2013, s. 397-410
https://doi.org/10.4467/20843976ZK.13.032.1591Henryk Pietrzak
Zarządzanie Mediami, Tom 2, Numer 3, 2014, s. 129-139
https://doi.org/10.4467/23540214ZM.14.010.3572Henryk Pietrzak
Czasopismo Techniczne, Mechanika Zeszyt 2-M (3) 2016, 2016, s. 227-236
https://doi.org/10.4467/2353737XCT.16.111.5510The paper presents the results of a study involving the impact of sudden change of crosssectional area on the flow patterns and local pressure drops for flow of multi-phase mixture. The experiment was conducted in the conditions of a horizontal and vertical flow through a measuring channel. Pressure drops calculated on the basis Kawahara and Lottes methods are compared with experimental data. A system of two interconnected pipes with internal diameters of 40 and 22 mm as well as 46 and 16 mm and a total length of 7 m formed the measurement channel. The experiments involved air, water and oil.
Henryk Pietrzak
Zarządzanie Mediami, Tom 2, Numer 2, 2014, s. 65-76
https://doi.org/10.4467/23540214ZM.14.005.3567Psychology Unit, Institute of Pedagogy, University of Rzeszów President of the Management Board of Polskie Radio S.A.