Zobrazeno 1 - 10
of 555
pro vyhledávání: '"K Shimojima"'
Publikováno v:
International Journal of Multiphysics, Vol 17, Iss 2, Pp 125-134 (2023)
Recently, a demand for cryogenic fluids as a coolant has been increasing because of the industrial development of low temperature technology. The purpose of this study is to clarify some fundamental features of the phase changes associated with the f
Externí odkaz:
https://doaj.org/article/9423da106b624977bc183800edb420ed
Publikováno v:
International Journal of Multiphysics, Vol 16, Iss 3, Pp 223-233 (2022)
Flashing Experiment of liquid nitrogen in a pressure vessel was conducted under rapid depressurization rate. Observations of the explosive boiling behavior caused by quick opening of a electro-magnetic valve were undertaken by using a video camera. P
Externí odkaz:
https://doaj.org/article/26554fc5b0044e46b5a80cd74c4d24a7
Publikováno v:
International Journal of Multiphysics, Vol 15, Iss 4, Pp 379-388 (2021)
Latent heat of vaporization of water is very large compared to the latent heat of vaporization of other fluids. Therefore, when evaporation is promoted by decompressing, water lowers the temperature and freezes finally. We froze without heat exchange
Externí odkaz:
https://doaj.org/article/a48c77fff7214306a6c326012602fbd6
Publikováno v:
International Journal of Multiphysics, Vol 13, Iss 3 (2019)
Okinawa National College of Technology has developed a food processing machine using underwater shock waves. Several prototype machines were developed, and experimental results (sterilization, improvement of juice extraction, milling flour, emulsific
Externí odkaz:
https://doaj.org/article/bc113a1d11df4d509a48ea759ea18970
Publikováno v:
International Journal of Multiphysics, Vol 13, Iss 3 (2019)
We perform herein a direct observation of shockwave propagation using a high-speed camera and estimate properties, such as acoustic velocity and Hugoniot parameter, using the impedance matching scheme to reveal the dynamic characteristics of Okinawa
Externí odkaz:
https://doaj.org/article/e6918d3cee76423ba5109479a63c37c6
Publikováno v:
International Journal of Multiphysics, Vol 11, Iss 3 (2017)
To clarify the shock characteristics of Okinawa’s unique soils “Jahgaru” that is widely distributed in southern part of Okinawa Main Island, an experimental investigation of dynamics properties such as shockwave propagation, pressure and partic
Externí odkaz:
https://doaj.org/article/a5f404c7503547219ed2ed6ca60cef0c
Publikováno v:
International Journal of Multiphysics, Vol 10, Iss 4 (2016)
We have been investigating underwater-explosion-induced shockwave-propagation phenomena for use in a robust food-processing system. This system comprises a high-voltage capacitor bank with gap switch, water tank, and wire explosive. We carried-out op
Externí odkaz:
https://doaj.org/article/a3f9fb71811e4c23a40a2db4e0ebdcd1
Publikováno v:
International Journal of Multiphysics, Vol 9, Iss 1 (2016)
Crystallographic grains and defects play an important role in many fundamental processes, such as grain growth and recrystallization, damage, and plastic deformation. Due to the importance of these processes, there is considerable interest in charact
Externí odkaz:
https://doaj.org/article/efce531427e8438bb40a3022c53dd6a5
Publikováno v:
International Journal of Multiphysics, Vol 8, Iss 2 (2016)
We have been developing a food-processing device that uses underwater shock waves generated by spark discharges at an underwater spark gap. Underwater shock waves can be used in food processing for softening, fracturing and sterilization. These techn
Externí odkaz:
https://doaj.org/article/eca0091757cd4897bf80e345ae77853c
Autor:
O Higa, R Matsubara, K Higa, Y Miyafuji, T Gushi, Y Omine, K Naha, K Shimojima, H Fukuoka, H Maehara, S Tanaka, T Matsui, S Itoh
Publikováno v:
International Journal of Multiphysics, Vol 6, Iss 2 (2016)
We are developing the rice powder manufacturing system using an underwater shock wave. The purpose of this study is to research a mechanism of the shock wave generation and energy efficiency by underwater discharge in order to increase energy of the
Externí odkaz:
https://doaj.org/article/82ee679e856b46c3b691654cbce21374