Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Hiromitsu HAMAKAWA"'
Publikováno v:
Journal of Fluid Science and Technology, Vol 19, Iss 2, Pp JFST0009-JFST0009 (2024)
The present paper focuses on the synchronization behavior of vortex shedding in in-line tube banks with and without acoustic resonance. We have studied the characteristics of acoustic resonance generated by in-line tube banks with a tube pitch ratio
Externí odkaz:
https://doaj.org/article/9b0c2d12cc1e49a48eacf6c68c854c40
Publikováno v:
Journal of Fluid Science and Technology, Vol 18, Iss 1, Pp JFST0018-JFST0018 (2023)
In the present paper the attention is focused on effects of tube pitch ratios of in-line tube banks on acoustic resonance and vortex shedding. We examined the characteristics of the acoustic resonance in the tube banks with tube pitch ratios ranging
Externí odkaz:
https://doaj.org/article/4b651e3bb96b4e09a44ddb4399cbd7fb
Publikováno v:
The Proceedings of the Symposium on Environmental Engineering. :2106-11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2efcac5b5681d2005cab4c8bba4d4756
https://doi.org/10.1299/jsmeenv.2022.32.2106-11-03
https://doi.org/10.1299/jsmeenv.2022.32.2106-11-03
Publikováno v:
Journal of Fluid Science and Technology, Vol 3, Iss 6, Pp 787-795 (2008)
The effect of simple spiral fin around a bare tube on Karman vortex shedding was experimentally investigated. We measured the distributions of the mean velocity, the intensity of velocity fluctuation, the spectrum of velocity fluctuation and the cohe
Externí odkaz:
https://doaj.org/article/2b18b7e83b084cddafb3ab85610a4215
Publikováno v:
Journal of Fluid Science and Technology, Vol 3, Iss 6, Pp 805-813 (2008)
This paper focuses on the relationship between acoustic resonance and vortex shedding from the tube banks of a boiler plant. We have built a model similar to the actual boiler plant to clarify the characteristics of acoustic resonance phenomena and v
Externí odkaz:
https://doaj.org/article/47ad3d45ce2c4d18a460ea2359eae1d8
Autor:
Hiromitsu HAMAKAWA, Takaaki ADACHI, Hiroki MATSUOKA, Kazuki HOSOKAI, Eiichi NISHIDA, Eru KURIHARA, Hidechito HAYASHI
Publikováno v:
Journal of Fluid Science and Technology, Vol 9, Iss 3, Pp JFST0053-JFST0053 (2014)
This study focuses on the characteristics of the Aeolian tone and Karman vortex shedding from a circular cylinder with a solid spiral fin. The fin pitch ratios range from 0.11 to 0.80. We measured the turbulence intensity, the spectrum of velocity fl
Externí odkaz:
https://doaj.org/article/9b4ea56392a34ca78f96107cfce74203
Publikováno v:
The Proceedings of the Dynamics & Design Conference. 2022:615
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad569df90c4f15f0790d7c3f69c94717
https://doi.org/10.1299/jsmedmc.2022.615
https://doi.org/10.1299/jsmedmc.2022.615
Publikováno v:
The Proceedings of the Fluids engineering conference. 2018:OS6-17
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c824a5d5d513e33c48eb15f8cfa3c8b
https://doi.org/10.1299/jsmefed.2018.os6-17
https://doi.org/10.1299/jsmefed.2018.os6-17
Autor:
Hiromitsu Hamakawa, Yuta Asai, Hidechito Hayashi, Masanori Miyazaki, Eiichi Nishida, Eru Kurihara
Publikováno v:
Journal of Thermal Science. 26:378-384
The present study focuses on the prediction of acoustic absorption performance of a perforated plate with air jets by theoretical calculations. In addition, we experimentally measured the flow rate, internal pressure, acoustic pressure, and transfer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::412457a4452256a9219749b5382ecc6d
https://doi.org/10.1007/s11630-017-0952-5
https://doi.org/10.1007/s11630-017-0952-5
Publikováno v:
Journal of Physics: Conference Series. 1909:012056
In the present paper the attention is focused on the effect of the dimples on the stall characteristics and aerodynamic sound radiated from two-dimensional airfoil. In general, two-dimensional blade is used as the airfoil of Wells turbine. We measure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f0c00a4463471fb917d2382116d63e2
https://doi.org/10.1088/1742-6596/1909/1/012056
https://doi.org/10.1088/1742-6596/1909/1/012056