磁気共鳴イメージングによる気体の計測 : 第1報,高圧下における計測と分子拡散が及ぼす影響(熱工学,内燃機関,動力など)

摘要: In this article, application of magnetic resonance (MR) imaging to pressurized gas is described. A specially-designed non-magnetic test vessel offers cylindrical sample chamber with 12mm i.d. and 114 mm in length, which methane was supplied up 10.0 MPa order investigate its feasibility MR imaging. Experiments glass beads were also conducted it shown that technique successfully produces images owing high proton density at fields. Futhermore, hydrogen used instead an effort examine influence gaseous properties on It signal intensity much less than due diffusivity molecules, confirmed by numerical calculation.