NASA Technical Reports Server (NTRS) 19800024669: Modal content of noise generated by a coaxial jet in a pipeReport as inadecuate



 NASA Technical Reports Server (NTRS) 19800024669: Modal content of noise generated by a coaxial jet in a pipe


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Noise generated by air flow through a coaxial obstruction in a long, straight pipe was investigated with concentration on the modal characteristics of the noise field inside the pipe and downstream of the restriction. Two measurement techniques were developed for separation of the noise into the acoustic duct modes. The instantaneous mode separatio

Author: NASA Technical Reports Server (NTRS)

Source: https://archive.org/







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