A pitot pressure pulsation generator and a data acquisition and processing system have been built up for this research.The response of a low pressure compressor to two kinds of inlet dynamic flow modes (axisymmetric o...A pitot pressure pulsation generator and a data acquisition and processing system have been built up for this research.The response of a low pressure compressor to two kinds of inlet dynamic flow modes (axisymmetric or distorted) are investigated under the conditions of the compressor with or without a plenum.The results show that there is a sensitive frequency at which the perturbation is amplified through the compressor.The sensitive frequency is influenced not by inlet distortion,but by the plenum in the present research.展开更多
文摘A pitot pressure pulsation generator and a data acquisition and processing system have been built up for this research.The response of a low pressure compressor to two kinds of inlet dynamic flow modes (axisymmetric or distorted) are investigated under the conditions of the compressor with or without a plenum.The results show that there is a sensitive frequency at which the perturbation is amplified through the compressor.The sensitive frequency is influenced not by inlet distortion,but by the plenum in the present research.