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Application of wind tunnel device for evaluation of biokinetic parameters of running
Širok, Brane (Avtor), Gostiša, Jurij (Avtor), Sečnik, Matej (Avtor), Maćkała, Krzysztof (Avtor), Čoh, Milan (Avtor)

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Izvleček
The aim of the study was the application of high-tech wind tunnel device to identify the changes in the biokinetic parameters of running performed on the specially designed treadmill. The research was carried out in the "Planica Nordic Centre-PNC" in the wind tunnel system, where the Air Runner Assault treadmill, which was equipped with four sensors measuring the vertical and horizontal ground reaction forces, was installed. To obtain biokinetic data, the runners performed the treadmill's run under conditions of airflow directed at each participant's back (backwind speeds +3 m/s and +5 m/s) and the chest (headwind speeds -5 m/s and -7 m/s). The runner's speed was measured via image analysis using a DSLR camera and markers on the belt of the treadmill. Additionally, a high-speed camera synchronised to the force acquisition system was used to analyse the contact phase via comparison of foot placement and time series of the ground reaction forces. The contact phases of the running step were found to be longer than the flight phases, with their duration ranging from 0.15 to 0.20 s and the maximum forces at take-off were found to be greater than when running with the backwind. It should be noted that the application of high-tech devices wind tunnel and treadmill were found to be sufficiently accurate to perform kinetic measurements of running parameters in changing conditions, such as resistance and assistance (facilitating).

Jezik:Angleški jezik
Ključne besede:running, kinematics, wind tunnel, kinetics, air resistance, technique
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2021
Št. strani:Str. 1-17
Številčenje:Vol. 13, no. 3
UDK:796.422.14
ISSN pri članku:2073-8994
DOI:10.3390/sym13030505 Povezava se odpre v novem oknu
COBISS.SI-ID:56467203 Povezava se odpre v novem oknu
Število ogledov:249
Število prenosov:99
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:Symmetry
Skrajšan naslov:Symmetry
Založnik:MDPI
ISSN:2073-8994
COBISS.SI-ID:517592345 Povezava se odpre v novem oknu

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Številka projekta:P2-0401
Naslov:Energetsko strojništvo

Program financ.:Runner for participating in the experiment and the head of NC Planica Jelko Gros for allowing us to perform the experiments in the wind tunnel

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:01.04.2021

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:atletika, tek na srednje proge, vetrovni tunel, Planica, nordijski center, meritve, tehnika, biokemija, kinematika, DSLR kamera

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