| Issue |
EPJ Web Conf.
Volume 143, 2017
EFM16 – Experimental Fluid Mechanics 2016
|
|
|---|---|---|
| Article Number | 02108 | |
| Number of page(s) | 8 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/201714302108 | |
| Published online | 12 May 2017 | |
https://doi.org/10.1051/epjconf/201714302108
Design of a test facility for probe calibration
Aerospace Research and Test Establishment, Department of Aerodynamics, Beranových 130, 199 05 Prague - Letňany, Czech Republic
a Corresponding author: simak@vzlu.cz
Published online: 12 May 2017
A possibility to easily calibrate probes for flow field measurements is always welcome. From this reason, a design of a test facility for probe calibration was made. The probes will be calibrated in a free jet of known properties, which is created by an exchangeable nozzle to cover a wide range of Mach numbers up to Mach 2. The most important is to create a homogeneous flow across the test section. This is accomplished by a precise design of the nozzles carried out by numerical tools. The convergent nozzle part is common for all subsonic flow regimes while the divergent part (forming a de Laval nozzle) is suited for a specific supersonic Mach number. These parts are designed using the method of characteristics. Numerical simulations performed by a CFD code show a feasibility and quality of the proposed test facility.
© The Authors, published by EDP Sciences, 2017
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