AERODYNAMIC EXPERIMENTAL TESTS OF FORCES AND TORQUES ACTING ON THE VOLLEYBALL
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F17%3A00329454" target="_blank" >RIV/68407700:21220/17:00329454 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.14311/TPFM.2017.015" target="_blank" >http://dx.doi.org/10.14311/TPFM.2017.015</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/TPFM.2017.015" target="_blank" >10.14311/TPFM.2017.015</a>
Alternative languages
Result language
angličtina
Original language name
AERODYNAMIC EXPERIMENTAL TESTS OF FORCES AND TORQUES ACTING ON THE VOLLEYBALL
Original language description
Measurements of forces acting on a flying volleyball were done. One conclusion, which was made is, that rotation n = 8.75 rps is the breaking point in the course of the lift coefficient CL vs. revolutions n. In the measurements were used just 4 dynamometers, 2 for lift force FL and 2 for drag Fp. In first part of measuring it is not considered, that any influence of torque is acting on the volleyball. Non dimensional numbers Reynolds number Re, spin s, drag CD and lift CL coefficient are described in the article. A proposal of a new experimental set-up has been prepared. All three forces and three torque components will be observed, resulting in a whole description of force effects acting on volleyball.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
—
OECD FORD branch
20302 - Applied mechanics
Result continuities
Project
—
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Topical Problems of Fluid Mechanics 2017
ISBN
978-80-87012-61-1
ISSN
2336-5781
e-ISSN
—
Number of pages
4
Pages from-to
113-116
Publisher name
Institute of Thermomechanics, AS CR, v.v.i.
Place of publication
Prague
Event location
Praha
Event date
Feb 15, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000404424300015