Zobrazeno 1 - 10
of 436
pro vyhledávání: '"Hitoshi, Soyama"'
Autor:
Boxin Jia, Hitoshi Soyama
Publikováno v:
Fluids, Vol 9, Iss 11, p 249 (2024)
Cavitation is a phase-change phenomenon from the liquid to the gas phase due to an increased flow velocity. As it causes severe erosion and noise, it is harmful to hydraulic machinery such as pumps, valves, and screw propellers. However, it can be ut
Externí odkaz:
https://doaj.org/article/b968bab07eed4b7ba74a375b80919fef
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 5, Pp 1592-1607 (2023)
To investigate the improvement in the fatigue strength of magnesium alloy by peening methods, magnesium alloy AZ31 was treated by submerged laser peening (SLP), cavitation peening (CP), and shot peening (SP), and the fatigue properties were evaluated
Externí odkaz:
https://doaj.org/article/4c0cd56b404f4ed2965ed5ad90f4e9b3
Autor:
Hitoshi Soyama, Xiaoyu Liang, Wataru Yashiro, Kentaro Kajiwara, Eleni Myrto Asimakopoulou, Valerio Bellucci, Sarlota Birnsteinova, Gabriele Giovanetti, Chan Kim, Henry J. Kirkwood, Jayanath C.P. Koliyadu, Romain Letrun, Yuhe Zhang, Jozef Uličný, Richard Bean, Adrian P. Mancuso, Pablo Villanueva-Perez, Tokushi Sato, Patrik Vagovič, Daniel Eakins, Alexander M. Korsunsky
Publikováno v:
Ultrasonics Sonochemistry, Vol 101, Iss , Pp 106715- (2023)
Hydrodynamic cavitation is useful in many processing applications, for example, in chemical reactors, water treatment and biochemical engineering. An important type of hydrodynamic cavitation that occurs in a Venturi tube is vortex cavitation known t
Externí odkaz:
https://doaj.org/article/289db2aa430940e7b9c48e9ac237bef0
Publikováno v:
Biomimetics, Vol 9, Iss 1, p 47 (2024)
Pistol shrimp generate cavitation bubbles. Cavitation impacts due to bubble collapses are harmful phenomena, as they cause severe damage to hydraulic machinery such as pumps and valves. However, cavitation impacts can be utilized for mechanical surfa
Externí odkaz:
https://doaj.org/article/80876766e1a149e9a369727f7edadd33
Publikováno v:
Journal of Materials Research and Technology, Vol 17, Iss , Pp 2098-2107 (2022)
The present paper aims to investigate topographical behavior of precipitation hardened magnesium alloy AZ80A subjected to cavitation peening. The introduction of surface residual compressive stress is the main feature of this new method, which is dif
Externí odkaz:
https://doaj.org/article/3f5597fc9b6d447b8e2becc93a4bf990
Autor:
Hitoshi Soyama, Yuka Iga
Publikováno v:
Applied Sciences, Vol 13, Iss 11, p 6702 (2023)
During submerged laser peening using a pulsed laser, a bubble that behaves like cavitation is generated after laser ablation (LA). The bubble is referred to as laser cavitation (LC). The amplitude of the shockwave in water generated by LA is larger t
Externí odkaz:
https://doaj.org/article/132c8ae0391141849c7cd77f909a85a0
Autor:
Chieko Kuji, Hitoshi Soyama
Publikováno v:
Metals, Vol 13, Iss 1, p 181 (2023)
Additive manufactured (AM) metals are attractive materials for medical implants, as their geometries are directly produced from computer-aided design (CAD)/computer-aided manufacturing (CAM) data. However, the fatigue properties of AM metals are weak
Externí odkaz:
https://doaj.org/article/111c4209e3d94c49a89a21a88da97f6a
Publikováno v:
Precision Engineering. 82:1-9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c26d7fea9c1794cd262e23c1913900d
https://doi.org/10.1016/j.precisioneng.2023.03.003
https://doi.org/10.1016/j.precisioneng.2023.03.003
Autor:
Chieko Kuji, Masayoshi Mizutani, Kana Takenaka, Keita Shimada, Toyohiko J. Konno, Hitoshi Soyama, Tsunemoto Kuriyagawa
Publikováno v:
Precision Engineering. 81:135-144
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1c2c902d67c43ab2fa36cf51698de83
https://doi.org/10.1016/j.precisioneng.2023.02.007
https://doi.org/10.1016/j.precisioneng.2023.02.007
Autor:
Hitoshi Soyama
Publikováno v:
Ultrasonics Sonochemistry, Vol 71, Iss , Pp 105389- (2021)
Hydrodynamic cavitation in a Venturi tube produces luminescence, and the luminescence intensity reaches a maximum at a certain cavitation number, which is defined by upstream pressure, downstream pressure, and vapor pressure. The luminescence intensi
Externí odkaz:
https://doaj.org/article/7a8d1e9da2eb42f1a8d2f06e436079c4