Zobrazeno 1 - 10
of 205
pro vyhledávání: '"Akimaro KAWAHARA"'
Publikováno v:
Fluids, Vol 6, Iss 12, p 440 (2021)
The flow characteristics of the single-phase liquid and the gas–liquid two-phase flows including the Newtonian and non-Newtonian liquids were experimentally investigated in a horizontal rectangular micro-channel with a sudden contraction—specific
Externí odkaz:
https://doaj.org/article/f12804cf94124763a9ad8eecdd9c9f3a
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 859, Pp 17-00396-17-00396 (2017)
This study investigates the effects of mixing vane (MV) attached to a grid spacer on pressure drop for air-water annular flows in a vertical circular pipe of 16 mm I.D. In order to know the effects of MV, grid spacers with or without MV were installe
Externí odkaz:
https://doaj.org/article/fe5bbdcb439c4fd0866d5d5ca7151b5a
Autor:
Akimaro Kawahara, Michio Sadatomi, Shogo Imamura, Yuta Shimoharai, Yudai Hirakata, Masato Endo
Publikováno v:
Nuclear Engineering and Technology, Vol 47, Iss 4, Pp 389-397 (2015)
The effects of mixing vanes (MVs) attached to a grid spacer on the characteristics of air–water annular flows were experimentally investigated. To know the effects, a grid spacer with or without MV was inserted in a vertical circular pipe of 16-mm
Externí odkaz:
https://doaj.org/article/065b929782914aa5bde5ffd3bb0e09db
Autor:
Akimaro KAWAHARA, Akifumi MORI, Wen Zhe LAW, Yukihiro YONEMOTO, Mohamed H. MANSOUR, Michio SADATOMI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 847, Pp 16-00386-16-00386 (2016)
This study investigated pressure drop for gas and non-Newtonian liquid two-phase flows in a horizontal circular microchannel. The microchannel was a fused silica tube with 0.25 mm I.D. Polyacrylamide aqueous solutions with different mass concentratio
Externí odkaz:
https://doaj.org/article/b603e0681fca463a833ba9021f106882
Publikováno v:
Journal of Fluid Science and Technology, Vol 6, Iss 5, Pp 740-753 (2011)
The purpose of this study is to improve a two-fluid model applicable to gas-liquid two-phase slug flows in small diameter pipes. Experimental data on void fraction and frictional pressure drop were obtained for vertical upward slug flow in 5 and 9 mm
Externí odkaz:
https://doaj.org/article/5e0822de029741b0b9e84e11ab78944f
Publikováno v:
Nuclear Technology. :1-15
Publikováno v:
Multiphase Science and Technology. 33:43-52
Publikováno v:
Flow, Turbulence and Combustion. 105:1325-1344
This study investigated pressure drop for gas and non-Newtonian liquid two-phase flows in a horizontal circular microchannel (0.25 mm I.D.) made of fused silica tube. Three kinds of polymer aqueous solutions (sodium carboxymethyl cellulose, xanthan g
Publikováno v:
JAPANESE JOURNAL OF MULTIPHASE FLOW. 34:93-99
Autor:
Koki Nonaka, Ramma Kamogawa, Marwa F. Elkady, Mahmoud A. Shouman, Mitsuru Sasaki, Mohamed Nabil Sabry, Akimaro Kawahara, Ahmed Hassan El-Shazly
Publikováno v:
Chemical Engineering Science. 247:116940
Microreactor technology is considered a breakthrough technology that can replace regular reactors systems as microreactors deliver proper mixing and reaction performance which satisfy both industry and research demands. This drives researchers to dev