| Budget Amount *help |
¥20,410,000 (Direct Cost: ¥15,700,000、Indirect Cost: ¥4,710,000)
Fiscal Year 2013: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2012: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2011: ¥14,430,000 (Direct Cost: ¥11,100,000、Indirect Cost: ¥3,330,000)
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| Research Abstract |
In order to utilize a large amount of methane hydrate which exists under the deep sea floor and attracts much attention as an alternative energy resource, it is very important to investigate its elastic properties and structural stability. The purpose of the present study is to estimate the gas storage capacities, the pressure-induced phase transformations, and the elastic properties of methane-propane mixed gas hydrate (MPH) and fully deuterated methane hydrate (FDMH) by using high-pressure Raman and Brillouin scattering spectroscopies.
As a result, it is found out that the interaction between methane and water molecules of FDMH is possibly different from that of methane hydrate and the elastic properties of gas hydrates depend on their structures and the encaged gas molecules.
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