堰などの河川構造物から流出する高速流の制御に関する研究

Encyclopedia of Water Science, "Energy Dissipation Structures"

Marcel Dekker.

引用論文
Ohtsu, Iwao and Yasuda, Youichi; Characteristics of supercritical flow below sluice gate , Journal of Hydraulic Engineering, Vol.120(3), 1994, pp.904-921.

Ohtsu, Iwao.;Free Hydraulic jump and submerged hydraulic jump in trapezoidal and rectangular channels, Transactions of JSCE, 1976,8, pp.122-125.

Ohtsu, Iwao.;Forced hydraulic jump by a vertical sill, Trans. JSCE, 1981,13, pp.165-168.

Ohtsu, Iwao., Yasuda, Youichi., and Hashiba, Hideki; “Drag on vertical sill of forced hydraulic jump,” Proceeding of XXV Congress of IAHR, Tokyo, Japan, Vol. A, A-10-1, 1993, 329-336.
Ohtsu, Iwao and Yasuda, Youichi; Discussion of Hydraulic jump in triangular channel, Journal of Hydraulic Research, IAHR, 1989, 12(1),pp.178-188.

Ohtsu, Iwao and Yasuda, Youichi; "Transition from supercritical to subcritical flow at an abrupt drop," Journal of Hydraulic Research, IAHR, Vol. 29, No.3, 1991, 309-328.
Ohtsu, Iwao, Yasuda, Youichi and Ishikawa, Motoyasu; "Submerged Hydraulic Jumps below Abrupt Expansions.", Journal of Hydraulic Engineering, ASCE, Vol.125, No. 5, 1999, May, pp.492-499.

Ohtsu, Iwao and Yasuda, Youichi; Hydraulic jump in sloping channels, Journal of Hydraulic Engineering, Vol.117(7), 1991, pp.904-921.
Ohtsu, Iwao , Yasuda, Youichi and Awazu, Seizou; Free and submerged jumps in rectangular channles., Research Institute of Science and Technology, Report 35., Nihon University, 1990.
Ohtsu, Iwao ,Yasuda, Youichi and Yamanaka, Yasushi; Drag on vertical sill of forced jump., Jrnal of Hydraulic Resarch, Vol.29(1), 1991, pp.29-47.; Discussions, Vol.30(2), 1992, pp.277-288.
Ohtsu, Iwao and Yasuda, Youichi; Characteristics of flow condition on stepped channels, Proceeding of XXVI Congress of IAHR,Theme D, 1997, 583-588.

Yasuda, Youichi and Ohtsu, Iwao; Characteristics of plunging flows in Stepped channel chutes, Proceeding of the international workshop on hydraulics of stepped spillways, A.A. Balkema, Rotterdam, The Netherkand, 2000,pp.95-102.

Yasuda,Youichi, Takahashi Masayuki, and Ohtsu, Iwao; “Energy Dissipation of Skimming Flows on Stepped-Channel Chutes.”, Proceedings of 29th IAHR Congress, Beijing, China, 2001, September, Theme D, Vol.1, pp.531-536.

Energy Dissipators, Hydraulic Structures Design Manual,Vol.9,
IAHR (International Association for Hydarulic Research)

引用論文
Ohtsu, Iwao and Yasuda, Youichi; Hydraulic jump in sloping channels, Journal of Hydraulic Engineering, Vol.117(7), 1991, pp.904-921.

Ohtsu, Iwao , Yasuda, Youichi and Awazu, Seizou; Free and submerged jumps in rectangular channles., Research Institute of Science and Technology, Report 35., Nihon University, 1990.

Ohtsu, Iwao ,Yasuda, Youichi and Yamanaka, Yasuhiro; Drag on vertical sill of forced jump., Journal of Hydraulic Resarch, Vol.29(1), 1991, pp.29-47.; Discussions, Vol.30(2), 1992, pp.277-288.

水理公式集(平成11年版),
土木学会

引用論文
Ohtsu, Iwao and Yasuda, Youichi; Hydraulic jump in sloping channels, Journal of Hydraulic Engineering, Vol.117(7), 1991, pp.904-921.

Ohtsu, Iwao ,Yasuda, Youichi and Yamanaka, Yasuhiro; Drag on vertical sill of forced jump., Journal of Hydraulic Resarch, Vol.29(1), 1991, pp.29-47.; Discussions, Vol.30(2), 1992, pp.277-288.

Water Science and Technology Library Vol.8"Energy Dissipators and Hydraulic Jump.",(Ed.) W. H., Hager, KLUWER ACADEMIC PUBLISHERS.

引用論文

Ohtsu, Iwao and Yasuda, Youichi; Discussion of "B-jump in sloping channel,"Journal of Hydraulic Research, IAHR, Vol.28, No.1, 1990, pp.105-119.

Ohtsu, Iwao and Yasuda, Youichi; Discussion of "Hydraulic jump in trapezoidal channel," Journal of Hydraulic Research, IAHR (International Association for Hydraulic Research), Vol.27, No.1, 1989, pp.178-188.

大津岩夫, "台形および長方形断面水路の自由跳水と潜り跳水" , 土木学会論文報告集, 第246号, 1976年2月, pp.57～72.

Ohtsu, Iwao; "Free hydraulic jump and submerged hydraulic jump in trapezoidal and rectangular channels.," Transactions of JSCE (Japan Society Civil Engineers), Vol.8, 1976, pp.122-125.

Ohtsu, Iwao, Yasuda, Youichi, and Awazu Seizo; "Free and Submerged hydraulic jumps in rectangular channels," Report of the Research Institute of Science and Technology, Nihon University, No.35, 1990, pp.1-50.

Ohtsu, Iwao and Yasuda, Youichi; Discussion of "Hydraulic jumps at positive and negative steps," Journal of Hydraulic Research, IAHR, Vol. 25, No.3, 1987, pp.407-413.

Ohtsu, Iwao; "Forced hydraulic jump by a vertical sill," Transactions of JSCE (Japan Society Civil Engineers), Vol.13, 1981, pp.165-168.

Ohtsu, Iwao, Yasuda Youichi, and Yamanaka Yasushi; "Drag on vertical sill of forced jump," Journal of Hydraulic Research, IAHR, Vol.29, No.1, 1991, pp.29-47.

Air Bubble Entrainment in Free-Surface Turbulent Shear Flows, (Ed.) H. Chanson, Academic Press.

引用論文

Ohtsu, Iwao and Yasuda, Youichi; "Characteristics of supercritical flow below sluice gate," Journal of Hydraulic Engineering, ASCE, Vol.120, No. 3, 1994, pp.332-346.

Ohtsu, Iwao, Yasuda, Youichi, and Awazu Seizo; "Free and Submerged hydraulic jumps in rectangular channels," Report of the Research Institute of Science and Technology, Nihon University, No.35, 1990, pp.1-50.


河川には治水・利水の目的で多くの河川構造物が設置されています。特に落差を伴う河川構造物から流出する流れは高速流となり、構造物下流側の河床洗掘や河岸侵食の要因となり、河川環境に大きな影響を与えます。　今研究室では、高速流を制御し、安全な流れにするための研究を行ってます。


	傾斜水路からの高速流の制御に関する研究
論文１． Ohtsu, Iwao and Yasuda, Youichi; Discussion of "B-jump in sloping channel," Journal of Hydraulic Research, IAHR, Vol.28, No.1, 1990, 105-119. ２． Ohtsu, Iwao and Yasuda, Youichi; "Hydraulic jump in sloping channels," Journal of Hydraulic Engineering, ASCE, Vol.117, No. 7, 1991, pp.905-921. ３． Ohtsu, Iwao and Yasuda, Youichi; Discussion of "Characteristics of B-jump with different toe locations," Journal of Hydraulic Engineering, ASCE, Vol.121, No. 2, 1995, pp.210-211. ４． Ohtsu, Iwao and Yasuda, Youichi; Discussion of "Length and depth of hydraulic jump in sloping channels," Journal of Hydraulic Research, IAHR, Vol.34, No.1, 1996, pp.132-136 and pp.141-144.

鉛直シル(バッフル)を用いた強制跳水の形成による高速流の制御に関する研究
論文 1．Ohtsu, Iwao, Yasuda Youichi, and Yamanaka Yasushi; "Drag on vertical sill of forced jump," Journal of Hydraulic Research, IAHR, Vol.29, No.1, 1991, pp.29-47. 2．Ohtsu, Iwao, Yasuda, Youichi, and Hashiba, Hideki; "Drag on vertical sill of forced hydraulic jump," Proceeding of XXV Congress of IAHR, Tokyo,Japan, Vol. A, A-10-1, 1993, 329-336. 3．Ohtsu, Iwao, Yasuda, Youichi, and Hashiba, Hideki; "Incipient jumpconditions for flows over a vertical sill," Journal of Hydraulic Engineering, ASCE, Vol.122, No. 8, 1996, pp.465-469.

	高速流を段落部で制御する研究
論文１．Ohtsu, Iwao and Yasuda, Youichi; Discussion of "Hydraulic jumps at positive and negative steps," Journal of Hydraulic Research, IAHR, Vol. 25, No.3, 1987, 407-413. ２．Ohtsu, Iwao and Yasuda, Youichi; "Transition from supercritical to subcritical flow at an abrupt drop," Journal of Hydraulic Research, IAHR, Vol. 29, No.3, 1991, 309-328. ３．Ohtsu, Iwao and Yasuda, Youichi; Reply to the discussion of "Transition from supercritical to subcritical flow at an abrupt drop" by S., Pagliara, Journal of Hydraulic Research, IAHR, Vol.30, No.3, 1992, 428-432. ４．Ohtsu, Iwao and Yasuda, Youichi; Discussion of "Hydraulic jump in sloping channel with positive or negative step," Journal of Hydraulic Research, IAHR, Vol.31, No.5, 1993, 712-716. ５．Ohtsu, Iwao and Yasuda, Youichi; "Characteristics of flow over drop structure," Proceeding of International Conference on Hydraulic in Civil Engineering, University of Queensland-Brisbane, Australia, 1994, Feb., pp.223-228. ６．Ohtsu, Iwao and Yasuda, Youichi; "Characteristics of flow passing over drop-structures," Proceeding of the Conference on Management of Landscapes Disturbed by Channel Incision, University of Mississippi, USA, 1997, May, pp.217-222.

	階段状水路による高速流の制御に関する研究
論文 1.Yasuda, Youichi and Ohtsu, Iwao; "Flow Resistance of Skimming Flows in Stepped Channels." ,Proceeding of 28th IAHR Congress, Graz, Austria, 1999, August, Session of B14 (CD-ROM). 2.安田陽一，高橋正行，大津岩夫；"階段状水路の流水抵抗"、土木学会水工学論文集、第44巻，2000，3月，pp527-532. 3.Ohtsu, Iwao, Yasuda, Youichi and Takahashi , Masayuki; Discussion of "Characteristics of skimming flow over stepped spillways,", Journal of Hydraulic Engineering, ASCE, Vol.126, No.11, 2000, November, pp.860-873. 4.Ohtsu, Iwao, Yasuda, Youichi and Takahashi , Masayuki; Discussion of "Hydraulics of skimming flow on modeled stepped spillways.", Journal of Hydraulic Engineering, ASCE, Vol.126, No.12, 2000, December, pp.947-954 . 5.高橋正行，安田陽一，大津岩夫；"階段状水路におけるSkimming flowのエネルギー減勢"土木学会水工学論文集，土木学会，第45巻，2001，3月，pp.415-420. 6.Ohtsu, Iwao, Yasuda, Youichi and Takahashi , Masayuki; Discussion of "Onset of skimming flow on stepped spillways.", Journal of Hydraulic Engineering, ASCE, Vol.127, No.6, 2001, June, pp.519-525. Yasuda, Youichi, Takahashi, Masayuki and Ohtsu, Iwao;“Energy Dissipation of Skimming Flows on Stepped-Channel Chutes ”, Proceeding of the 28th Congress of IAHR, D2-18, 2001, September, pp.531-536.

急拡水路からの高速流の制御に関する研究
論文 1.Ohtsu, Iwao, Yasuda, Youichi and Ishikawa, Motoyasu; "Submerged Hydraulic Jumps below Abrupt Expansions.", Journal of Hydraulic Engineering, ASCE, Vol.125, No. 5, 1999, May, pp.492-499.

波状跳水の制御に関する研究
論文 1.Ohtsu, Iwao, Yasuda Youichi, and Hiroshi Gotoh; "Characteristics of undular jumps in rectangular channels, Proceeding of HYDRA 2000, Thomas, Telford, London, Vol. 1, 1C14, 1995, pp.450-455. 2.Ohtsu, Iwao, Yasuda Youichi, and Hiroshi Gotoh; Discussion of "Non-breaking undular hydraulic jump," Journal of Hydraulic Research, IAHR (International Association for Hydraulic Research), Vol.34, No.4, 1996, pp.178-188. 3.Ohtsu, Iwao, Yasuda Youichi, and Hiroshi Gotoh; Discussion of "Characteristics of undular hydraulic jumps: experimental apparatus and flow patterns," Journal of Hydraulic Engineering, ASCE (American Society of Civil Engineers), Vol.123, No.2, 1997, pp.161-164. 4.大津岩夫、安田陽一、後藤浩 ; "波状跳水の形成条件について"、土木学会水工学論文集、第42巻、1998、２月、pp.673～678. 5.後藤　浩、安田　陽一、大津　岩夫 ; "波状跳水の形成条件に対するレイノルズ数･アスペクト比の影響について"、土木学会水工学論文集、第43巻、1999、2月、pp.299～304. 6. Ohtsu, Iwao., Yasuda, Youichi, and Gotho, Hiroshi; “Hydraulic Condition for Undular-Jump Formations”,Journal of Hydraulic Research, IAHR, Vol.39, No.2, 2001, Feburary, pp. 203-209.