Unsteady aerodynamic forces measured on a fluttering profil
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F13%3A00392264" target="_blank" >RIV/61388998:_____/13:00392264 - isvavai.cz</a>
Result on the web
—
DOI - Digital Object Identifier
—
Alternative languages
Result language
angličtina
Original language name
Unsteady aerodynamic forces measured on a fluttering profil
Original language description
The evaluations of optical measurements of the flow field near the fluttering profile NACA0015 with two-degrees of freedom are presented. Mach number of the airflow was M = 0.21 and M = 0.45, the boundaries of the flutter occurrence. Aerodynamic forces acting on the profile were evaluated in the drag and lift components which enabled to obtain independently the forces corresponding to the upper and lower surfaces of the profile. Using the mentioned decomposition, the new information about mechanism of flutter properties was obtained. The force effects on the upper and lower surfaces are in opposite phases and they are partially eliminated as a result of the circulation around the profile. The cycle changes of this forces cause the permanent energy contribution from the airflow to the vibrating system.
Czech name
—
Czech description
—
Classification
Type
D - Article in proceedings
CEP classification
JU - Aeronautics, aerodynamics, aeroplanes
OECD FORD branch
—
Result continuities
Project
<a href="/en/project/GA13-10527S" target="_blank" >GA13-10527S: Subsonic flutter analysis of elastically supported airfoils using interferometry and CFD</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Engineering Mechanics 2013
ISBN
978-80-87012-47-5
ISSN
1805-8256
e-ISSN
—
Number of pages
9
Pages from-to
650-658
Publisher name
Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v. v. i.
Place of publication
Prague
Event location
Svratka
Event date
May 13, 2013
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
—