Papers - Ohmura, Ryo

Phase Equilibrium for Structure-H Hydrates at Temperatures below the Freezing Point of Water

Ohmura, R., Matsuda, S., Uchida, T., Ebinuma, T., Narita, H.

Journal of Chemical & Engineering Data (American Chemical Society)  50   993-996 2005

Research paper (scientific journal), Joint Work, Accepted

Particle size effect of CH4 hydrate for self-preservation

Takeya, S., Uchida, T., Nagao, J., Ohmura, R., Shimada, W., Kamata, Y., Ebinuma, T., and Narita, H.

Chemical Engineering Science (Elsevier)  60   1383-1387 2005

Research paper (scientific journal), Joint Work, Accepted

Kinetics and Stability of CH4-CO2 Mixed Gas Hydrates during Formation and Long-Term Storage

Uchida, T., Ikeda, I. Y., Takeya, S., Kamata, Y., Ohmura, R., Nagao, J., Zatsepina, O. Y., Buffett, B. A.

ChemPhysChem (Wiley (co-owned by nine European Chemical Societies))  6   646-654 2005

Research paper (scientific journal), Joint Work, Accepted

Hydrate Formation by Water Spraying in a Methane + Ethane + Propane Gas Mixture: an Attempt at Promoting Hydrate Formation Utilizing Large-Molecule Guest Substances for Structure-H Hydrates

Tsuji, H., Kobayashi, T., Ohmura, R., Mori, Y. H.

Energy & Fuels (American Chemical Society)  19   869-876 2005

Research paper (scientific journal), Joint Work, Accepted

Thermodynamic Simulations of Isobaric Hydrate-forming Operations: Formulation of Computational Scheme and Its Application to Hydrate Formation from a Methane + Ethane + Propane Mixture

Tsuji, H., Kobayashi, T., Okano, Y., Ohmura, R., Yasuoka, K., Mori, Y. H.

Energy & Fuels (American Chemical Society)  19   1587-1597 2005

Research paper (scientific journal), Joint Work, Accepted

Formation and Growth of Structure-H Hydrate Crystals on a Water Droplet in Contact with Methane Gas and Large-Molecule Guest-Substance Liquid

Ohmura, R., Matsuda, S., Itoh, S., Ebinuma, T., Narita, H.

Crystal Growth & Design (American Chemical Society)  5   1821-1824 2005

Research paper (scientific journal), Joint Work, Accepted

Phase Equilibrium for Clathrate Hydrates Formed with Difluoromethane + either Cyclopentane or Tetra-n-butylammonium Bromide

Imai, S., Okutani, K., Ohmura, R., Mori, Y. H.

Journal of Chemical & Engineering Data (American Chemical Society)  50   1783-1786 2005

Research paper (scientific journal), Joint Work, Accepted

Phase Equilibrium for Structure-H Hydrates Formed with Methane and Methyl-Substituted Cyclic Ether

Ohmura, R., Matsuda, S., Takeya, S., Ebinuma, T., Narita, H.

International Journal of Thermophysics (Springer)  26   1515-1523 2005

Research paper (scientific journal), Joint Work, Accepted

Decomposition of methane hydrates in sand, sandstone, clays, and glass beads

Uchida, T., Takeya, S., Chuvirin, E. M., Ohmura, R., Nagao, J., Yakushev, V. S., Istomin, V. A., Minagawa, H., Ebinuma, T. and Narita, H.

Journal of Geophysical Research - Solid Earth (American Geophysical Union)  109   B05206 (doi:10.1029/2003JB002771) 2004.05

Research paper (scientific journal), Joint Work, Accepted

Clathrate-hydrate crystal growth in liquid water saturated with a hydrate-forming substance: variations in crystal morphology

Ohmura, R., Shimada, W., Uchida, T., Mori, Y. H., Takeya S., Nagao, J., Minagawa, H., Ebinuma, T. and Narita, H.

Philosophical Magazine (Taylor and Francis)  84   1-16 2004.01

Research paper (scientific journal), Joint Work, Accepted

Two-step formation process of methane-propane mixed gas hydrates in a batch-type reactor

Uchida, T., Moriwaki, M., Takeya, S., Ikeda, Y. I., Ohmura, R., Nagao, J., Minagawa, H., Ebinuma, T., Narita, H., Gohara, K., and Mae, S.

AIChE Journal (AIChE)  50   518-523 2004

Research paper (scientific journal), Joint Work, Accepted

Forming Structure-H Hydrates Using Water Spraying in Methane Gas: Effects of Chemical Species of Large-Molecule Guest Substances

Tsuji, H., Ohmura, R. and Mori, Y. H.

Energy & Fuels (American Chemical Society)  18   418-424 2004

Research paper (scientific journal), Joint Work, Accepted

Clathrate hydrate formation in the system methane + 3-methyl-1-butanol + water: Equilibrium data and crystallographic structures of hydrates

Ohmura, R., Takeya, S. Uchida, T., Ikeda, I. Y., Ebinuma, T. and Narita, H.

Fluid Phase Equilibria (Elsevier)  221   151-156 2004

Research paper (scientific journal), Joint Work, Accepted

Clathrate hydrate formed with methane and 2-propanol: Confirmation of structure-II hydrate formation

Ohmura, R., Takeya, S. Uchida, T., Ebinuma, T.

Industrial & Engineering Chemistry Research (American Chemical Society)  43   4964-4966 2004

Research paper (scientific journal), Joint Work, Accepted

Gas Absorption into “String-of-Beads” Liquid Flow with Chemical Reaction: Application to Carbon-Dioxide Separation

Uchiyama, K., Migita, H., Ohmura, R. and Mori, Y. H.

International Journal of Heat & Mass Transfer (Elsevier)  46   457-468 2003

Research paper (scientific journal), Joint Work, Accepted

Effects of Kinetic Inhibitors on the Formation and Growth of Hydrate Crystals at a Liquid-Liquid Interface

Sakaguchi, H., Ohmura, R. and Mori, Y. H.

Journal of Crystal Growth (Elsevier)  247   631-641 2003

Research paper (scientific journal), Joint Work, Accepted

Statistical Study of Clathrate-Hydrate Nucleation in a Water/Hydrochlorofluorocarbon System: Search for the Nature of the "Memory Effect"

Ohmura, R., Ogawa, M., Yasuoka, K. and Mori, Y. H.

Journal of Physical Chemistry B (American Chemical Society)  107   5289-5293 2003

Research paper (scientific journal), Joint Work, Accepted

Viscosity of Aqueous CO2 Solutions Measured by Dynamic Light Scattering

Uchida, T., Ohmura, R., Nagao, J., Takeya, S., Ebinuma, T. and Narita, H.

Journal of Chemical & Engineering Data (American Chemical Society)  48   1225-1229 2003

Research paper (scientific journal), Joint Work, Accepted

Phase Equilibrium for Structure-H Hydrates Formed with Methane and each of Pinacolone (3,3-dimethyl-2-butanone) and Pinacolyl alcohol (3,3-dimethyl-2-butanol)”

Ohmura, R., Uchida, T., Takeya S., Nagao, J., Minagawa, H., Ebinuma, T. and Narita, H.

Journal of Chemical & Engineering Data (American Chemical Society)  48   1337-1340 2003

Research paper (scientific journal), Joint Work, Accepted

Clathrate Hydrate Formation in (Methane + Water + Methylcyclohexanone) Systems: the First Phase Equilibrium Data

Ohmura, R., Uchida, T., Takeya S., Nagao, J., Minagawa, H., Ebinuma, T. and Narita, H.

Journal of Chemical Thermodynamics (Elsevier)  35   2045-2055 2003

Research paper (scientific journal), Joint Work, Accepted