Zobrazeno 1 - 10 of 28 pro vyhledávání: '"Tadashi Utami"'
1
EXPERIMENTAL STUDY ON THE CHARACTERISTICS OF BRAIDED CHANNEL FLOW
Autor: Takafumi Suzuri, Tadashi Utami, Nariyasu Yoshioka
Publikováno v: PROCEEDINGS OF HYDRAULIC ENGINEERING. 47:445-450
In the Hii river, the flood way is being constructed for the reduction of flood discharge. The river channel is braided and curved in the neighborhood of the diversion point, and we are interested in the river bed change due to the flood. In this pap
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0f99469c8bf8cd26e67081d8f1d9cf3
https://doi.org/10.2208/prohe.47.445
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2
VIDEO IMAGE ANALYSIS OF OPEN CHANNEL TURBULENT FLOW
Autor: Tadashi Utami, Tetsuo Ueno, Junichi Kuwamura
Publikováno v: PROCEEDINGS OF HYDRAULIC ENGINEERING. 45:487-492
A longitudinal vertical cross-section of unsteady open channel flow was visualized by video camera. The 120 frames during 4 seconds in rising stage and the 120 frames during 4 seconds in falling stage were analyzed by cross-correlation method to obta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a59dc61a0862487bc7ad3cd790eec5e
https://doi.org/10.2208/prohe.45.487
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4
TRIAL OF SEDIMENT DISCHARGE MEASUREMENTS UNDER FLOODS IN THE HII RIVER
Autor: Mitsuhiro Najima, Tadashi Utami, Takahiro Yamasaki, Tetsuo Ueno, Hiroyuki Sakon, Atsushi Suzuki, Toshiaki Mikamo, Ryousaku Kinoshita
Publikováno v: PROCEEDINGS OF HYDRAULIC ENGINEERING. 43:707-712
The river-bed configurations were measured by a echo-sounder attached to a cross-type float under floods in the Hii River which is the typical sand-bedded river in Shimane Prefecture. At the same time, time series of photographs were taken of the flo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c6654ff44d7697786d7557b3539faf9
https://doi.org/10.2208/prohe.43.707
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5
Field observation of sand bars movement in the Hii River
Autor: Hiroyuki Sakon, Noriyuki Kasami, Ryousaku Kinoshita, Tadashi Utami, Atsushi Suzuki, Tetsuo Ueno
Publikováno v: PROCEEDINGS OF HYDRAULIC ENGINEERING. 42:1099-1104
Field observations of bed configurations and flow patterns have been carried out under floods in the Hii River which is a typical sand-bedded river in Shimane prefecture. The observation plan is comprised of three components; the measurement over wid
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bcf0268e60ba8b408ce096b64bfdba6f
https://doi.org/10.2208/prohe.42.1099
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6
Application of Satellite Image Analysis for the Channel Change Survey
Autor: Tadashi Utami, Yoshio Muramoto
Publikováno v: PROCEEDINGS OF HYDRAULIC ENGINEERING. 41:965-970
Channel changes are extremely predominant in the downstream reach of the Brahmaputra river in Bangladesh. The maximum transverse shift of the channel reaches more than 2km.Image processing of Landsat TM data was applied to survey river channel change
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::13a4d1dc716aeef7cc883952d8c33a53
https://doi.org/10.2208/prohe.41.965
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7
Flood Flow and Sediment Transport in Meandering Channel with Compound Cross-Section
Autor: Tadashi Utami, Tetsuo Ueno
Publikováno v: PROCEEDINGS OF HYDRAULIC ENGINEERING. 40:933-940
The aerial photographs of the flood flow of the Tone river on Sept. 18, 1972 were analyzed to obtain velocity vectors. The main river course in the analyzed area is meandering with the wavelength 7-8km and wide flood plain exists on either side of th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85bdd096a663201365ce3845190049f4
https://doi.org/10.2208/prohe.40.933
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