Zobrazeno 1 - 10
of 375
pro vyhledávání: '"Shigenao Maruyama"'
Autor:
Shigenao MARUYAMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 928, Pp 23-00235-23-00235 (2023)
An Excel program that uses tri-diagonal matrix algorithm (TDMA) is proposed to calculate one dimensional steady heat conduction. The program gives analytical exact solutions to calculate multi-layered symmetric flat plate, solid cylinder, sphere, dou
Externí odkaz:
https://doaj.org/article/f422bff01bb045c0b716abec77eeae85
Autor:
Shigenao MARUYAMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 911, Pp 22-00105-22-00105 (2022)
An Excel program that uses tri-diagonal matrix algorithm (TDMA) is proposed to calculate one dimensional unsteady heat conduction using implicit method. The program is unified analysis method to calculate symmetric flat plate, solid cylinder, sphere,
Externí odkaz:
https://doaj.org/article/f6f842a8f28b4db5889a55865b10f926
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 908, Pp 21-00340-21-00340 (2022)
In this study, the effective thermal conductivity of glass wool was measured under different temperature and packing ratio conditions using a high-precision guarded hot plate (GHP) apparatus, which adopted a Peltier module. From the measurement resul
Externí odkaz:
https://doaj.org/article/9dd0358eee614beaab319862c6777981
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 892, Pp 20-00201-20-00201 (2020)
In this study, the thermal conductivity of porous insulation materials and vacuum insulation panel (VIP) composed of glass wool were measured under different temperature conditions using a high-precision guarded hot plate (GHP) apparatus developed by
Externí odkaz:
https://doaj.org/article/c920b3ab2eb84734a4f7f0cb575888e0
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
Abstract Chameleons have a diagnostic thermal protection that enables them to live under various conditions. Our developed special radiative control therefore is inspired by the chameleon thermal protection ability by imitating its two superposed lay
Externí odkaz:
https://doaj.org/article/a39d3c4a7e124d5e8b195f1507a0f28e
Publikováno v:
Journal of Fluid Science and Technology, Vol 13, Iss 4, Pp JFST0028-JFST0028 (2018)
The objective of this study is to visualize the flow pattern in methane hydrate (MH) reservoir model under atmospheric pressure condition. A method to mimic a real MH reservoir was introduced into the present research to visualize the multiphase flow
Externí odkaz:
https://doaj.org/article/640b6ec46c4a45f9a754094cda8ca436
Autor:
Guillaume LACAILLE, Hikaru YAMADA, Eita SHOJI, Lin CHEN, Hiroki GONOME, Junnosuke OKAJIMA, Atsuki KOMIYA, Shigenao MARUYAMA
Publikováno v:
Journal of Fluid Science and Technology, Vol 11, Iss 4, Pp JFST0031-JFST0031 (2016)
The objective of this study is to mimic methane hydrate cores at atmospheric pressure conditions with the same permeability as oceanic methane hydrate cores. This became possible by freezing a solution of water, ethanol, and sodium bicarbonate in Toy
Externí odkaz:
https://doaj.org/article/54ef1cc067c049feb43fd4a4c7492406
Autor:
Anh Tung Doan, Takahiro Yokoyama, Thang Duy Dao, Satoshi Ishii, Akihiko Ohi, Toshihide Nabatame, Yoshiki Wada, Shigenao Maruyama, Tadaaki Nagao
Publikováno v:
Micromachines, Vol 10, Iss 6, p 413 (2019)
Spectrally selective detection is of crucial importance for diverse modern spectroscopic applications such as multi-wavelength pyrometry, non-dispersive infrared gas sensing, biomedical analysis, flame detection, and thermal imaging. This paper repor
Externí odkaz:
https://doaj.org/article/36dfe435ba2742afbf825bef29daa9f8
Autor:
Takahiro OKABE, Junnosuke OKAJIMA, Atsuki KOMIYA, Yun LUO, Ichiro TAKAHASHI, Shigenao MARUYAMA
Publikováno v:
Journal of Thermal Science and Technology, Vol 8, Iss 2, Pp 395-406 (2013)
This paper describes an inverse method for estimating the local thermal diffusivity of biomaterials such as meats and vegetables using a thermophysical handy tester. A thermophysical handy tester is a fast, non-invasive, in-situ, local device for mea
Externí odkaz:
https://doaj.org/article/9e675bfede624e0685813b8e3b1093a1
Publikováno v:
Journal of Thermal Science and Technology, Vol 7, Iss 4, Pp 740-752 (2012)
The objectives of this study were to establish a theoretical model of the phase change heat transfer in a microchannel and to investigate the possibility of cooling under higher heat flux than the critical heat flux for nucleate boiling. A bubble exp
Externí odkaz:
https://doaj.org/article/28d01c2ea1814be6ae0c69c4165fa84f