| Issue |
EPJ Web Conf.
Volume 180, 2018
EFM17 – Experimental Fluid Mechanics 2017
|
|
|---|---|---|
| Article Number | 02109 | |
| Number of page(s) | 9 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/201818002109 | |
| Published online | 04 June 2018 | |
https://doi.org/10.1051/epjconf/201818002109
HYSTERESIS OF PLANAR DOUBLE SLOT IMPINGING AIR JETS
Department of Power Engineering Equipment, Faculty of Mechanical Engineering, Technical University of Liberec, Czech Republic
* Corresponding author: tomas.tisovsky@tul.cz
Published online: 4 June 2018
In present study, the bistability and hysteresis of the non-isothermal flow behind two slot nozzle is numerically investigated. Theoretical review of bistability of isothermal stagnation flow is presented and both flow field patterns that exist in the region of bistability are commented on. Hysteresis is found in number of conducted simulations and effects of various parameter changes are discussed. Moreover, the mechanism of transition from one flow field pattern to another is discussed for both transition directions. In conclusion, validity of 2D simulation results against real 3D problems is of concern and general contribution of this research is discussed. Throughout this work, emphasis is on applications regarding heat transfer.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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