Zobrazeno 1 - 10
of 330
pro vyhledávání: '"Nobuyuki Fujisawa"'
Autor:
Nobuyuki Fujisawa, Hirokazu Kawabata
Publikováno v:
Fluids, Vol 9, Iss 7, p 160 (2024)
The leading-edge erosion of a wind turbine blade was tested using a whirling arm rain erosion tester, whose rotation rate is considerably higher than that of a full-scale wind turbine owing to the scale effect. In this study, we assessed the impact p
Externí odkaz:
https://doaj.org/article/0a783572e89a406cae8eb59995a1f084
Publikováno v:
Fluids, Vol 6, Iss 1, p 6 (2020)
The erosion behavior of a cavitating jet on groove roughness was investigated experimentally using mass-loss characteristics, scanning electron microscopy (SEM) observation, time-resolved shadowgraph, and schlieren flow visualizations. The wall morph
Externí odkaz:
https://doaj.org/article/088e21693aca48d4b292c943248dc62d
Publikováno v:
Journal of Fluid Science and Technology, Vol 6, Iss 6, Pp 1011-1020 (2011)
In this paper, the flow behavior of viscoelastic fluid in asymmetric planar contraction geometry is studied by flow visualization and PIV measurement. Experiments are carried out for three channels of different contraction widths. The experimental re
Externí odkaz:
https://doaj.org/article/577641f3b0594c99b4f1b1690f1eb7e0
Autor:
Nobuyuki Fujisawa
Publikováno v:
International Journal of Rotating Machinery, Vol 2, Iss 1, Pp 43-50 (1995)
Experimental techniques are described in detail for evaluating the system and the unit performances of waterjet propulsion systems in a water tunnel. The measured performances of pump and propulsion of the model systems are in reasonable agreement wi
Externí odkaz:
https://doaj.org/article/31fc791753d64164987ff71685598105
Publikováno v:
Journal of Flow Control, Measurement & Visualization. 10:1-11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d0bcfba62fa321f4a24f87d8f4def74
https://doi.org/10.4236/jfcmv.2022.101001
https://doi.org/10.4236/jfcmv.2022.101001
Publikováno v:
Energy for Sustainable Development. 65:107-116
The flow and torque mechanisms of an open cross-flow hydraulic turbine in an underflow operation are investigated through experiments and numerical simulations. The unsteady flow field around a hydraulic turbine is measured in an open-circuit water t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f98cca8868dcf28ed26ef0f6032a9d93
https://doi.org/10.1016/j.esd.2021.10.005
https://doi.org/10.1016/j.esd.2021.10.005
Publikováno v:
Energy for Sustainable Development. 64:128-138
The performance of a waterfall-type cross-flow hydraulic turbine was investigated via experiment and numerical simulation. The experiment was carried out using a cross-flow hydraulic turbine operating in a two-dimensional waterfall, and the result wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff338d816b21adcaf0d64eafc4b3b75e
https://doi.org/10.1016/j.esd.2021.09.001
https://doi.org/10.1016/j.esd.2021.09.001
Publikováno v:
Experimental Thermal and Fluid Science. 144:110836
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e19f7046e84407a2b922352794f1ce99
https://doi.org/10.1016/j.expthermflusci.2022.110836
https://doi.org/10.1016/j.expthermflusci.2022.110836
Publikováno v:
Journal of Flow Control, Measurement & Visualization. :45-62
The secondary flow downstream of a triple elbow layout was studied experimentally and numerically to visualize the flow behavior under swirling inlet flow conditions. The inlet swirling condition was generated by a swirl generator, consisting of a ro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08e1e7101efe35db5031687201ceb75a
https://doi.org/10.4236/jfcmv.2020.82003
https://doi.org/10.4236/jfcmv.2020.82003
Publikováno v:
Fuel. 251:506-513
The behavior of a diffusion flame under acoustic excitation was experimentally studied with the aid of simultaneous flow visualizations of the flame combining Mie scattering and schlieren/shadowgraph imaging. The Mie scattering imaging showed the per
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49059718fc904dd3282f96e09a8e86ab
https://doi.org/10.1016/j.fuel.2019.04.060
https://doi.org/10.1016/j.fuel.2019.04.060