Methods for the behaviour analysis of continuous flat water jet structures

0560877 - ÚGN 2023 RIV GB eng J - Journal Article
Zeleňák, Michal - Říha, Zdeněk - Votavová, H. - Foldyna, Josef - Sitek, Libor - Ščučka, Jiří - Pohanka, M.
Methods for the behaviour analysis of continuous flat water jet structures.
Measurement. Roč. 202, October 2022 (2022), č. článku 111886. ISSN 0263-2241. E-ISSN 1873-412X
Institutional support: RVO:68145535
Keywords : shadowgraphy * water jet * flat nozzle * droplets * visualization
OECD category: Mechanical engineering
Impact factor: 5.6, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S026322412201082X?dgcid=author

This paper deals with visualization and geometrical analysis of flat water jet structures. The shadowgraphy method created by a CCD camera and high-energy pulsed laser, as well as the image analysis method were tested. The jet structures were captured in the centre of axis symmetry. The influence of water pressures on water clusters dimensions and droplets was studied. The designed diagnostic water line consisting of a pressure sensor and a turbine flowmeter was used for flow monitoring during experimental flow visualization. The impact pressures of impinging water clusters and droplets were measured in centre of the jet. The experimental tests were performed in the following range of operating conditions: water pressure up to 20 MPa at maximal flow rate of 39 l/min and hydraulic power of 13.32 kW. A linear relationship between the number of small droplets and the distance from the nozzle was analysed.


Permanent Link: https://hdl.handle.net/11104/0333653