@techreport{oai:jaxa.repo.nii.ac.jp:00043957, author = {小林, 紘 and 大山, 耕一 and 田村, 敦宏 and 菅原, 昇 and KOBAYASHI, Hiroshi and OOYAMA, Kouichi and TAMURA, Atsuhiro and SUGAWARA, Noboru}, month = {Nov}, note = {A monitoring of rotating stall and surging was carried out in order to protect a high-pressure multi-stage axial-flow compressor from destruction due to the unsteady flow phenomena,during the measurements over a wide range of its performance.The data,including that of the transition region into rotating stall and surging,obtrained from the flollowing measurements;fluctuating total and static pressures near the compressor casing wall with probe-microphones and pressure transducers of the strain-gauge type,rotor and stator blade vibration with strain gauges stuck on blades,and a sound pressure variation with a microphone in front of the compressor.Both rotating stall and surging could be detected easily from the measurements of the fluctuating total or static pressure near the compressor casing wall.The possibility of a prediction of resonant surging was given by the observation of a low frequency pulsating flow (about 1Hz) immediately before resonant surging.The number of stall cells and the propagating speed of a rotating stall in the various compressor conditions are measured., 資料番号: NALTM0374000, レポート番号: NAL TM-374}, title = {高圧多段軸流圧縮機における旋回失速,サージングの一監視計測}, year = {1978} }