| Budget Amount *help |
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
Water-alcohol mixtures exhibit interesting non-ideal macroscopic properties and it is found that these results might come from microscopic irregular structures. To investigate microscopic irregular molecular agglomerate, comparison between experimented Compton scattering of solutions by x-ray radiation and theoretical calculations (MD and quantum chemistry) is quite meaningful. In this work, we developed a stainless steel cell equipped with beryllium windows to ensure measurement of Compton scattering at high temperatures and pressures with keeping certain level of signal intensities, and measured Compton scattering of water-alcohol mixtures at 350 ºC and 20 MPa. The experiments are combined with calculations based on MD simulation and quantum chemistry. The experimental and theoretical results suggest a transition of solution structure in the region of low methanol composition at 350 ºC and 20 MPa.
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