Zobrazeno 1 - 10
of 188
pro vyhledávání: '"Shigeo Hosokawa"'
Autor:
Kosuke Hayashi, Yuya Motoki, Matheus J. A. van der Linden, Niels G. Deen, Shigeo Hosokawa, Akio Tomiyama
Publikováno v:
Fluids, Vol 7, Iss 2, p 55 (2022)
Numerical simulations of contaminated spherical drops falling through a stagnant liquid at low Reynolds numbers are carried out using the finite difference method. The numerical results are used to describe the behavior of the surfactant concentratio
Externí odkaz:
https://doaj.org/article/dcd041753a854fb7bbe36f975d7801df
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 838, Pp 15-00685-15-00685 (2016)
A flat tube heat exchanger has attracted attention as one of the solutions to improve energy efficiency and reduce the amount of refrigerant in the development of the air conditioning unit for global warming prevention. An experimental study is carri
Externí odkaz:
https://doaj.org/article/3240488df54c4f43a5c825ebce56bc7e
Publikováno v:
Journal of Fluid Science and Technology, Vol 7, Iss 1, Pp 168-180 (2012)
Understanding turbulence kinetic energy (TKE) budget in gas-liquid two-phase bubbly flows is indispensable to develop and improve turbulence models for the bubbly flows. Simultaneous measurement of velocity and velocity gradients with a spatial resol
Externí odkaz:
https://doaj.org/article/f56b887323b24febae7379f307c36ebf
Publikováno v:
Journal of Fluid Science and Technology, Vol 3, Iss 5, Pp 667-677 (2008)
Dissolution of single carbon dioxide (CO2) bubbles in a vertical pipe of 25 mm diameter is measured to examine the effects of the ratio λ of the sphere-volume equivalent bubble diameter to the pipe diameter, the liquid Reynolds number and surfactant
Externí odkaz:
https://doaj.org/article/49b10b07e1e5439d912bd5179e9710ed
Publikováno v:
Journal of Fluid Science and Technology, Vol 3, Iss 5, Pp 622-632 (2008)
The effects of nozzle geometry on cavitation in the nozzle of pressure atomizers and the liquid jet are examined using various two-dimensional (2D) nozzles with different geometries. Then, whether or not the conventional cavitation numbers can be use
Externí odkaz:
https://doaj.org/article/28cb069ac084401bb83b8ac2b8858d80
Publikováno v:
Journal of Fluid Science and Technology, Vol 3, Iss 5, Pp 633-644 (2008)
Cavitation in a cylindrical nozzle and liquid jets discharged from the nozzle are simultaneously visualized using a high-speed camera to investigate the mechanism of liquid jet atomization induced by the fully-developed cavitation. Three mirrors are
Externí odkaz:
https://doaj.org/article/c3b79484bf1c4efaacd0e0bd3d8e2816
Publikováno v:
Journal of Fluid Science and Technology, Vol 3, Iss 1, Pp 172-182 (2008)
Motion of small bubbles upstream of a grid spacer in a two by three rod bundle is experimentally investigated. Trajectories of single bubbles upstream of the grid spacer are recorded by using a high-speed video camera. An image processing method base
Externí odkaz:
https://doaj.org/article/92ec6d2a125d4e3d80712a31f5cbfaa1
Publikováno v:
Journal of Fluid Science and Technology, Vol 2, Iss 1, Pp 184-195 (2007)
Shapes of single drops rising through infinite stagnant liquids under terminal conditions were measured using a high-speed camera for a wide range of fluid properties. Aspect ratios E and distortion factors γ of drops were evaluated from drop images
Externí odkaz:
https://doaj.org/article/cd173deb62f147ca9de6a82169ae1636
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 822, Pp 14-00597-14-00597 (2015)
Measurements of flow rate and velocity distribution in a cross-section of a channel are often required in design and development of pipelines in industrial plants. In this study, a simple method using inclined laser sheets was developed for measuring
Externí odkaz:
https://doaj.org/article/6964c1b40a4644fe82533584de8f4978
Autor:
Shigeo Hosokawa, Akio Tomiyama
Publikováno v:
Journal of Fluid Science and Technology, Vol 1, Iss 2, Pp 94-104 (2006)
Coalescence of two planar air bubbles in stagnant water filled in two parallel plates was experimentally investigated. To examine the effects of bubble wake on coalescence, the bubble diameter, initial vertical and horizontal distances between two bu
Externí odkaz:
https://doaj.org/article/beeabfac666a4c0ca385231a0c96e7cc