TY - JOUR TI - Determination of minor loss coefficients of air by-pass brake used in pneumatic tube systems AU - Dziechciowski, Zygmunt AU - Kozłowski, Igor TI - Determination of minor loss coefficients of air by-pass brake used in pneumatic tube systems AB - The thesis presents the analysis of the pneumatic tube system, one of the solutions in material handling. Contemporary solution components of pneumatic tube systems were presented and described, such as: blowers, diverters, send/receive stations, carriers, air brakes and system couplers. For the purpose of the article, a bypass air brake was built at the Laboratory of Techno-Climatic Research and Heavy Duty Machines of the Cracow University of Technology. , which was then tested. The aim of the test was to determine the minor loss coefficient ζ, depending on the degree of the air brake valve override. The measurement results are given in the work. VL - 2017 IS - Volume 5 Year 2017 (114) PY - 2017 SN - 0011-4561 C1 - 2353-737X SP - 105 EP - 122 DO - 10.4467/2353737XCT.17.074.6431 UR - https://ejournals.eu/en/journal/czasopismo-techniczne/article/okreslanie-wspolczynnika-strat-lokalnych-dla-hamulca-typu-by-pass-uzywanego-w-systemach-poczty-pneumatycznej KW - materials handling KW - pneumatic tube systems KW - minor loss coefficients