@article{oai:ir.kagoshima-u.ac.jp:00012743, author = {柊原, 健明 and KUKIHARA, Kenmei}, journal = {鹿児島大学工学部研究報告, The research reports of the Faculty of Engineering, Kagoshima University}, month = {Sep}, note = {A concept of devices which can cocentrate flow is given for energy conversion.}, pages = {213--216}, title = {運動量流の集束}, volume = {21}, year = {1979} }