Keio University

Published papers

Ohmura, Ryo

181-200 items (total 257)

Visual observation of dissociation of methane hydrate crystals in a glass micro model: Production and transfer of methane

Author
Daisuke Katsuki, Ryo Ohmura, Takao Ebinuma and Hideo Narita
Publication Title
Magazine name Journal of Applied Physics Publisher American Institute of Physics Start Page 掲載決定 (Publication Date)2008/09)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Critical size for guest molecules to occupy dodecahedral cage of clathrate hydrates

Author
T. Uchida, R. Ohmura and A. Hori
Publication Title
Magazine name Journal of Physical Chemistry C Publisher American Chemical Society Volume 112(Issue 12) Start Page 4719-4724 (Publication Date)2008/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Effects of Additives on Formation of CO2 Hydrate Films

Author
T. Uchida, I. Y. Ikeda, R. Ohmura, S. Tsuda
Publication Title
Magazine name Physics and Chemistry of Ice Publisher Royal Society of Chemistry Start Page 609-618 (Publication Date)2007)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phase equilibrium for structure II hydrates formed with methylfluoride coexisting with cyclopentane, fluorocyclopentane, cyclopentene, or tetrahydropyran

Author
S. Takeya, K. Yasuda and R. Ohmura
Publication Title
Magazine name Journal of Chemical and Engineering Data Publisher American Chemical Society Volume 53(Issue 2) Start Page 531-534 (Publication Date)2007/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phase Equilibrium Calculation for Clathrate Hydrates Based on a Statistical Thermodynamics Model: An Attempt to Optimize the Kihara Parameters for Methane and Ethane

Author
E. Sato, T. Miyoshi, R. Ohmura, K. Yasuoka
Publication Title
Magazine name Japanese Journal of Applied Physics Publisher The Japan Society of Applied Physics Volume 46(Issue 9A) Start Page 5944-5950 (Publication Date)2007/09)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Thermodynamic stability of type-I and type-II clathrate hydrates depending on the chemical species of the guest substances

Author
Miyoshi, T., Imai, M., Ohmura, R., Yasuoka, K.
Publication Title
Magazine name Journal of Chemical Physics Publisher American Institute of Physics Start Page 234506 (Publication Date)2007/07)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Spectroscopic measurements on binary, ternary and quaternary mixed-gas molecules in clathrate structures

Author
Uchida, T., Takeya, S., Kamata, Y., Ohmura, R., Narita, H.
Publication Title
Magazine name Industrial and Engineering Chemistry Research Publisher American Chemical Society Volume 46(Issue 14) Start Page 5080-5087 (Publication Date)2007/07)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phase equilibrium for clathrate hydrates formed with difluoromethane or krypton, each coexisting with propan-2-ol, 2-methly-2-propanol or 2-propanone

Author
Imai, S., Miyake, K., Ohmura, R., Mori, Y. H.
Publication Title
Magazine name Journal of Chemical and Engineering Data Publisher American Chemical Society Volume 52(Issue 3) Start Page 1056-1059 (Publication Date)2007/05)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Clathrate hydrate formation by water spraying in a methane + ethane + propane gas mixture: search for the rate-controlling mechanism of hydrate formation in the presence of methylcyclohexane

Author
Kobayashi, T., Imura, N., Ohmura, R., Mori, Y. H.
Publication Title
Magazine name Energy & Fuels Publisher American Chemical Society Volume 21(Issue 2) Start Page 545-553 (Publication Date)2007/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phase equilibrium for structure-I and structure-H hydrates formed with methylfluoride and methylcyclohexane

Author
Takeya, S., Ohmura, R.
Publication Title
Magazine name Journal of Chemical and Engineering Data Publisher American Chemical Society Volume 52(Issue 2) Start Page 635-638 (Publication Date)2007/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Increasing molecular O3 storage capacity in a clathrate hydrate

Author
Kazutoshi Shishido, Sanehiro Muromachi, Ryo Nakamura, Satoshi Takeyab and Ryo Ohmura
Publication Title
Magazine name New Journal of Chemistry Publisher Royal Society of Chemistry Start Page 3160 - End Page 3165 (Publication Date)2014/05)
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phase equilibrium and crystallographic structure of clathrate hydrate formed in argon + 2,2-dimethylbutane + water system

Author
Kotaro Murayama, Satoshi Takeya, Ryo Ohmura
Publication Title
Magazine name Fluid Phase Equilibria Publisher Elsevier Volume 365(Issue 1) Start Page 64-67 (Publication Date)2014/04)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Comparative study of large-scale hydrogen storage technologies: Is hydrate-based storage at advantage over existing technologies?

Author
Makoto Ozaki, Shigeo Tomura, Ryo Ohmura and Yasuhiko H. Mori
Publication Title
Magazine name International Journal of Hydrogen Energy Publisher Elsevier; International Association for Hydrogen Energy Volume 39(Issue 1) Start Page 3327-3341 (Publication Date)2014/04)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Clathrate-hydrate formation from a hydrocarbon gas mixture: compositional evolution of formed hydrate during an isobaric semi-batch hydrate-forming operation

Author
Wataru Kondo, Kaoru Ohtsuka, Ryo Ohmura, Satoshi Takeya, and Yasuhiko H. Mori
Publication Title
Magazine name Applied Energy Publisher Elsevier Volume 113(Issue 1) Start Page 864-871 (Publication Date)2014/04)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Characterization of clathrate hydrates formed with CH4 or CO2 plus tetrahydropyran

Author
Kento Iino, Satoshi Takeya, Ryo Ohmura
Publication Title
Magazine name Fuel Publisher Elsevier Volume 122(Issue 2) Start Page 270-276 (Publication Date)2014/02)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Characterization of Tetra-n-butylphosphonium Bromide Semiclathrate Hydrate by Crystal Structure Analysis

Author
Sanehiro Muromachi, Satoshi Takeya, Yoshitaka Yamamoto, Ryo Ohmura
Publication Title
Magazine name CrstEngComm Publisher Royal Society of Chemistry Volume 16(Issue 6) Start Page 2056-2060 (Publication Date)2014/02)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Phase Equilibria for Ionic Semiclathrate Hydrate Formed with Tetrabutylphosphonium Chloride plus CO2, CH4, or N2

Author
Kento Iino, Yusuke Sakakibara, Takuya Suginaka Ryo Ohmura
Publication Title
Magazine name Journal of Chemical Thermodynamics Publisher Elsevier Volume 71(Issue 1) Start Page 133-136 (Publication Date)2014/02)
Authorship Category
Single Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Crystal Growth of Clathrate Hydrate in Liquid Water in Contact with Methane + Ethane + Propane Gas Mixture

Author
Takehide Kodama, Ryo Ohmura
Publication Title
Magazine name Journal of Chemical Technology and Biotechnology Publisher Wiley; Society of Chemical Industry Start Page 1982 - End Page 1986 (Publication Date)2014/01)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Preservation of carbon dioxide clathrate hydrate coexisting with sucrose under domestic freezer conditions

Author
Tadaaki Sato, Satoshi Takeya, Hironori D. Nagashima, Ryo Ohmura
Publication Title
Magazine name Journal of Food Engineering Publisher Elsevier Volume 120(Issue 1) Start Page 69-74 (Publication Date)2014/01)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Thermodynamic simulations of hydrate-based removal of carbon dioxide and hydrogen sulfide from low-quality natural gas

Author
Satoru Akatsu, Shuhei Tomita, Yasuhiko H. Mori, Ryo Ohmura
Publication Title
Magazine name Industrial & Engineering Chemistry Research Publisher American Chemical Society Volume 52(Issue 47) Start Page 15165-15176 (Publication Date)2013/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With