Abstract
The forced oscillation acoustical diagnostics method consists of excitation of testing object forced resonant oscillation and processing of acoustical noise of the oscillations. The theoretical bases of the method are formulated with nonstationary excitation for vibroacoustical nondestructive testing of cracks in rotative blade systems. An analytical relation expressing the spectral density of testing object forced oscillations in terms of the relative crack size, damping factor, duration of NDT and parameters of nonstationary excitation is derived. Furthermore, a multidimensional vector of testing data for NDT of cracks invariant to parameters of nonstationary excitation is proposed.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of NOISE-CON 98 |
| Subtitle of host publication | Transporting noise control to the 21st century: planning for a quiet future |
| Editors | Stuart J. Bolton |
| Place of Publication | Poughkeepsie, NY |
| Publisher | Institute of Noise Control Engineering |
| Pages | 353-358 |
| Number of pages | 6 |
| Volume | 1998 |
| Edition | Part 1 |
| ISBN (Print) | 0931784395 |
| Publication status | Published - 1998 |
| Externally published | Yes |
| Event | The 1998 National Conference on Noise Control Engineering - Ypsilanti, United States Duration: 5 Apr 1998 → 9 Apr 1998 https://searchworks.stanford.edu/view/406423 https://www.scimagojr.com/journalsearch.php?q=24480&tip=sid&clean=0 |
Conference
| Conference | The 1998 National Conference on Noise Control Engineering |
|---|---|
| Country/Territory | United States |
| City | Ypsilanti |
| Period | 5/04/98 → 9/04/98 |
| Internet address |