17:00 〜 17:20
*Shigeo Fujikawa1, Toshihide Fujikawa2, Ryu Egashira3, Hisao Yaguchi4, Hisashi Masubuchi5 (1. Inst. of Phy. Fluid Dyn., 2. Miyakonojo College, Nat. Inst. of Tech., 3. Fukuoka Inst. of Tech., 4. Gunma College, Nat. Inst. of Tech., 5. Oyama College, Nat. Inst. of Tech.)