Clustering of Inertial Particles in Turbulent Channel Flow

Doboku gakkai ronbunshu, 2019

Proceedings of the Japan Society of Civil Engineers, 1978

Netsu Kogaku Konfarensu koen ronbunshu, 2014

National Defense Academy ， 1−［0−20 Hashirimizu ， Yo1(osuka ， Kanagawa 239 − 8686 Unstoadyじonjugate heat 匸 rans1 r ， whi じh is a coupiing phenomenon of heatτransf ヒr bじtw じen a fluid and a solid ， causes two problems 仕om thロ viewpo 血 t of the therrnal design of devio 巳s ． The first is tle erroneous predic 廿on of the 匸otal amou 皿 t of heat trans立 硫 agross the wall due to the nonlhlear time dependence ． The second is the possibility ofgenerating high −cycte thernial fatigue in mate 且 ia且 s ， In o ∬der to more easily predi じt the conjugate e艶 ct 貲〕 r a tUrbu． lent tlow ， we attempted to modet th巳 tempora 田 uctnation ofthe heat transfer expcrimentaUy ． Thads ， the modeling was pertbrrncd to fit the statistics ot ' the 巳xperimentaL data by a inethod 竃 hat uses log −normal random numbers and low− pass filtering ． This modeling appears to be appropriate for generating realistic tluctuations ofthe turbu且 ent heat uunsfer not only fbr the flow along the watl surface ， but also fbr the separated and reattaChed flow． The generated fluctuat 血 g heat transfer coe 丘ici 【 mt can be us 巳d to simulate theconjugate et ' fl ∋ ct ， although several ar 巳 as fbr tl ユt ' 巳 resea1 ℃ h remain ． Key Mvrds ：Unsteady Conjugate Heat Transf ヒ r， Turbu且 ent Fbw ， Thermat design

Bulletin of Japan Association for Fire Science and Engineering, 1977

KAGAKU KOGAKU RONBUNSHU, 1986

Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering), 2017

Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)

PROCEEDINGS OF COASTAL ENGINEERING, JSCE

Nenji Taikai, 2012

Vortex induced vibration is caused by the fluidic interaction in a circular cylinder ． This phenomenon is influenced by the flow around the circular cylinder and vortex motions in this wake ． In order to control this phenomenon， the suppression ofthe vortex shedding generated from a circular cylinder is conducted by the attaching spherica ］rings ． ［ n this paper， the fiow behavior in the wake and the drag coe 伍 cients is measurcd using X type hotwire anemometer and three − components balance ． As these results ， the wake width and the drag coe 伍 cients decrease due to the flow toward the center ofthe cylinder behind these rings ． Key 〃Words ： passive control ， Circular Cylinder ， Wake ， Drag coethcients