[American Institute of Aeronautics and Astronautics 10th AIAA/NAL-NASDA-ISAS International Space Planes and Hypersonic Systems and Technologies Conference - Kyoto,Japan (24 April 2001 - 27 April 2001)] 10th AIAA/NAL-NASDA-ISAS International Space Planes and Hypersonic Systems and Technologies Conference - Investigation of flowfield around hypersonic re-entry capsule utilizing the electric discharge method