Abstract
A lab scale twin roll press machine was developed for pelletizing natural gas hydrate powder. Ice and hydrate powder were used for the pellet extrusion system. The effects of feeding pressure, pressure ratio, and rotating speed of the twin roll were investigated for producing high strength and stiffness hydrate pellets. The compressive strength and stiffness of pellet increased with increasing feeding pressure and rotation speed. In particular, there was a relatively large increase in the stiffness with an increase in rotating speed, and a relatively large increase in strength with increasing feeding pressure. The production ratio of pellets largely depended on the rotating speed of the twin roll. The results indicate the promising future of solid transportation of natural gas.
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Myung Ho Song received his B.S. and M.S. degrees in the Department of Mechanical Engineering at Seoul National University, Korea on 1983 and 1985, respectively. He got his Ph.D. in the Department of Mechanical Engineering at Purdue University, U.S.A. on 1995. He is now working as a professor in the Department of Mechanical, Robotics and Energy Engineering, Dongguk University, Korea. His main research interests are in gas hydrates, radiation through semitransparent medium, heat and mass transfer during mixture phase change and renewable energies.
Heung Soo Kim received his B.S. and M.S. degrees in the Department of Aerospace Engineering from Inha University, Korea in 1997 and 1999, respectively. He got his Ph.D. in the Department of Mechanical and Aerospace Engineering from Arizona State University in 2003. He is now working as an associate professor in the Department of Mechanical, Robotics and Energy Engineering, Dongguk University. His main research interests are in biomimetic actuators and sensors, smart materials and structures as applied to aerospace structures and vehicles.
Byung Moon Kim received his M.S. and M.S. degrees in the Department of Mechanical Engineering from Kyungpook National University, Korea in 1989 and 1992, respectively. He got his Ph.D. in the Department of Heat Energy System from Kyushu University, Japan in 1999. He is now working as an assistant professor in the Department of Mechanical System Engineering, Dongguk University. His main interesting fields are PIV(Particle image velocimetry), battery re-manufacture, thermal spray coating, jet nozzle design.
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Song, M.H., Kim, H.S. & Kim, B.M. Influence of production parameters on gas hydrate and ice powder pelletizing. J Mech Sci Technol 29, 1181–1186 (2015). https://doi.org/10.1007/s12206-015-0230-y
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DOI: https://doi.org/10.1007/s12206-015-0230-y