2013 シャンペン現象への運動論的アプローチ(その 2) : 鉛直気泡流の定常解

概要

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Compressed air energy storage (CAES) systems are expected to be one of those systems equalizing the load of electricity generation. However hydraulically compensated CAES systems are supposed to be subject to an explosive instability such as "blow-out" of bubble flow caused by a champagne effect. This instability is a key notion for constructing efficient CAES systems. An insight into the mechanism of blow-out is gained by taking account of bubble dynamics. A system of basic equations for bubble flow has been derived by taking moments of the kinetic equation which is constructed based on dynamical equations of bubbles and is claimed as the first self-consistent closed system describing bubble flow. This report shows that steady solutions of one-dimensional vertical bubble flow has been analytically obtained, being confirmed by numerical solutions.
一般社団法人日本機械学会の論文
2000-07-31