Publication detail

A dispersion of a droplet flow on crossing wires in an air counterflow

HÁJEK, O. CEJPEK, O. MALÝ, M. PRINZ, F. JÍCHA, M.

Original Title

A dispersion of a droplet flow on crossing wires in an air counterflow

Type

conference paper

Language

English

Original Abstract

Liquid dispersion on a wire mesh is a phenomenon that is utilized in many industrial applications, such as rotating packed beds. It is a very simple method of liquid atomization without a need for complex nozzles. This research focuses on an elementary case of a liquid dispersion on a crossing of two wires. Experiments were carried out in a wind tunnel to elucidate the influence of counterflow air velocity on a liquid sheet and droplets. High-speed camera was used to capture the impact of droplets on the crossing. Images were then processed using MATLAB® addon PIVlab. The effect of the input parameters, including a liquid flow rate in the range of 3.8 to 12 kg/h and air flow velocity varying from 0 to 9 m/s on the angle and velocity of dispersed droplets downstream of the crossing, was investigated. Finally, a qualitative description of the dispersion was evaluated. Results show that with an increasing liquid flow rate, the droplets dispersed in a wider angle. On the other hand, the influence of the air counterflow is significant only for low liquid flow rates. The atomization rate, determined by the number of small droplets, was better for higher liquid flow rates.

Keywords

liquid dispersion, wire, liquid jet, high-speed velocimetry

Authors

HÁJEK, O.; CEJPEK, O.; MALÝ, M.; PRINZ, F.; JÍCHA, M.

Released

11. 7. 2022

Publisher

EPJ Web of Conferences

ISBN

2100-014X

Periodical

EPJ Web of Conferences

Year of study

264

State

French Republic

Pages from

1

Pages to

5

Pages count

5

URL

https://www.epj-conferences.org/articles/epjconf/abs/2022/08/epjconf_efm2022_01016/epjconf_efm2022_01016.html

BibTex

@inproceedings{BUT173281,
  author="Ondřej {Hájek} and Ondřej {Cejpek} and Milan {Malý} and František {Prinz} and Miroslav {Jícha}",
  title="A dispersion of a droplet flow on crossing wires in an air counterflow",
  booktitle="EFM21 – 15th International Conference “Experimental Fluid Mechanics 2021”",
  year="2022",
  journal="EPJ Web of Conferences",
  volume="264",
  pages="1--5",
  publisher="EPJ Web of Conferences",
  doi="10.1051/epjconf/202226401016",
  issn="2100-014X",
  url="https://www.epj-conferences.org/articles/epjconf/abs/2022/08/epjconf_efm2022_01016/epjconf_efm2022_01016.html"
}