Zobrazeno 1 - 10 of 130 pro vyhledávání: '"Kakuji Ogawara"'
2
Akademický článek
Airspeed measurement using ultrasonic waves for micro UAVs
Autor: Ryota KAWAHARA, Kakuji OGAWARA, Hidenori SHINGIN
Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 887, Pp 19-00429-19-00429 (2020)
This paper proposes a method of airspeed measurement using ultrasonic waves for control of micro UAVs. Measurement by pitot tube sensor generally used for aircraft control does not show high resolution and responsiveness in low speed flight. The prop
Externí odkaz: https://doaj.org/article/ab1f351c51b94cbc9da2ab0853def629
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4
Akademický článek
Extremum Seeking Adaptive Separation Control on a Wing with Plasma Synthetic Jet Actuator
Autor: Kakuji OGAWARA, Ryota KOJIMA, Shoji MATSUMOTO, Hidenori SHINGIN
Publikováno v: Journal of Fluid Science and Technology, Vol 7, Iss 1, Pp 89-99 (2012)
Plasma synthetic jet actuator (PSJA) is a flow control device which has structure that insulator is tucked with electrode pair. It generates electrohydrodynamic (EHD) effect and induces a flow. The experiment was held to investigate the effect of flo
Externí odkaz: https://doaj.org/article/f5231adacda54744a597167d083347ac
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5
Akademický článek
Direct Measurement of Wall-Shear Stress of Plane Shear Layer with Plasma Synthetic Jet Actuator
Autor: Takehiro HIGUCHI, Kakuji OGAWARA, Shinsuke MOCHIZUKI
Publikováno v: Journal of Fluid Science and Technology, Vol 4, Iss 1, Pp 75-83 (2009)
One of the useful ways to measure the effect of the flow control devise is to use the wall-shear stress sensor to measure the wall-shear stress directly. The sensor used in this paper measures the wall-shear stress, which is reduced by the flow contr
Externí odkaz: https://doaj.org/article/da07a1eead6145e0b2ba5536c29dff1c
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6
Akademický článek
Optimization of burst frequency using extremum-seeking method for flow control by PSJA
Autor: Yudai TAGUCHI, Kakuji OGAWARA, Hidenori SHINGIN
Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 833, Pp 15-00444-15-00444 (2015)
In this paper, we study the optimization of the burst frequency applied to the plasma synthetic jet actuator (PSJA) using extremum-seeking method. Experiments were performed to detect the optimum frequency that maximizes the effect of reducing flow s
Externí odkaz: https://doaj.org/article/757662aa24f0470c82ffda03c7da0fcc
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