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Journal Articles

Pressure drop characteristics of Nb$$_{3}$$Al cable-in-conduit conductor under electromagnetic force; Relation between pressure drop characteristics and cable stiffness

Hamada, Kazuya; Matsui, Kunihiro; Takahashi, Yoshikazu; Nakajima, Hideo; Kato, Takashi; CS Model Coil Test Group

Teion Kogaku, 38(8), p.417 - 424, 2003/08

As one of the R&D of ITER. a hydraulic performance of Nb$$_{3}$$Al insert coil was measured and compared with other Nb$$_{3}$$Sn conductors. It seems that a longer twist pitch will promote a triangle helium flow space among 4th twist stage cables, jacket and center channel and contribute reduction of pressure drop. Under 500 kN/m of the electromagnetic force, the pressure drop of the Nb$$_{3}$$Al insert decreased by approximately 5%. Nb$$_{3}$$Al conductor indicated quit rigid characteristic under the electromagnetic force and suitable for future magnet with higher magnetic field and current.

Journal Articles

Hydraulic characteristics of ITER TF insert coil; Electromagnetic force effect on hydraulic performance

Hamada, Kazuya; Kawano, Katsumi; Matsui, Kunihiro; Kato, Takashi; Sugimoto, Makoto; Hara, Eiji*; Okuno, Kiyoshi; Egorov, S. A.*; Rodin, I.*; Sytnikov, V. E.*; et al.

Teion Kogaku, 37(10), p.531 - 538, 2002/10

In the Engineering Design Activities of the International Thermonuclear Experimental Reactor (ITER), Toroidal Field (TF) Insert have been developed and tested successfully. In the experiment, pressure drop performance of TF insert was investigated. There were two purposes for the investigation. One is to verify the pressure drop prediction using correlations proposed by various researchers. Second is to observe a behavior of pressure drop under the electromagnetic force. The pressure drops of TF insert decreased by around 12% during current-carrying operation of 46kA at 13T. After several current-carrying operation, the friction factor of TF insert has finally reached a value which is around 12% lower than that of virgin state and was not recovered even if there were zero current. It is considered that a deformation of cable cross section inside the conductor jacket appears due to electromagnetic force and a new flow path in the jacket is generated.

Journal Articles

Experimental results of pressure drop measurement in ITER CS model coil tests

Hamada, Kazuya; Kato, Takashi; Kawano, Katsumi; Hara, Eiji*; Ando, Toshinari; Tsuji, Hiroshi; Okuno, Kiyoshi; Zanino, L.*; Savoldi, L.*

AIP Conference Proceedings 613, p.407 - 414, 2002/00

no abstracts in English

Journal Articles

Pressure drop characteristic and flow distribution of ITER CS model coil

Hamada, Kazuya; Kawano, Katsumi; Hara, Eiji*; Kato, Takashi; Shimba, Toru*; CS Model Coil Test Group

Teion Kogaku, 36(6), p.330 - 335, 2001/06

no abstracts in English

JAEA Reports

Mercury flow tests, 1; Wall friction factor measurement tests and future tests plan

Kaminaga, Masanori; Kinoshita, Hidetaka; ; Hino, Ryutaro; Sudo, Yukio

JAERI-Tech 99-051, 56 Pages, 1999/07

JAERI-Tech-99-051.pdf:3.52MB

no abstracts in English

Journal Articles

Experimental study on heat transfer characteristics of a high-temperature gas-gas heat exchanger with helically coiled tube bundles

Inagaki, Yoshiyuki; *; Ioka, Ikuo;

Proc. of ASME$$cdot$$JSME 4th Int. Conf. on Nuclear Engineering 1996 (ICONE-4), 1(PART B), p.633 - 637, 1996/00

no abstracts in English

Journal Articles

Interfacial friction factor for high-pressure steam/water stratified-wavy flow in horizontal pipe

Nakamura, Hideo; Kukita, Yutaka; *

Journal of Nuclear Science and Technology, 32(9), p.868 - 879, 1995/09

 Times Cited Count:3 Percentile:61.08(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Thermal and hydraulic tests of a standard fuel rod of HTTR with HENDEL

Takase, Kazuyuki; Hino, Ryutaro;

Nippon Genshiryoku Gakkai-Shi, 32(11), p.1107 - 1110, 1990/11

 Times Cited Count:9 Percentile:19.62(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Scale effects on countercurrent gas-liquid flow in horizontal tube connected to an inclined riser

; ; Murao, Yoshio

Nucl.Eng.Des., 107, p.283 - 294, 1988/00

 Times Cited Count:54 Percentile:2.57

no abstracts in English

Journal Articles

Journal Articles

Measurement of deposition fraction of aerosol particles in a horizontal straight metal pipe

; ; ;

Journal of Nuclear Science and Technology, 11(7), p.300 - 307, 1974/07

 Times Cited Count:3

no abstracts in English

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