The sound transmission loss of a single panel measured with the two-microphone and the conventional method-comparison with the statistical energy analysis model |
| |
| Affiliation: | 1. Department of Applied Chemistry and Physics, IMARENABIO (Institute of Environment, Natural Resources and Biodiversity), Campus de Vegazana, University of León, 24071 León, Spain;2. Department of Chemistry and CESAM (Centre for Environmental and Marine Studies), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal;1. Geophysics Group (EES-17), Los Alamos National Laboratory, Los Alamos, NM 87545, USA;2. Detonation Science and Technology Group (Q-6), Los Alamos National Laboratory, Los Alamos, NM 87545, USA;1. DIN, University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy;2. Magneti Marelli SpA, via del Timavo 33, 40131 Bologna, Italy |
| |
| Abstract: | The sound transmission loss of a single metal panel obtained with the sound intensity technique and the conventional method have been compared with the theoretical model of Statistical Energy Analysis (SEA). This method of comparison with a theoretical model is useful in order to explain small systematic deviations between the results of both experimental methods.It happens that the difference between the so-called residual reactivity level and the measured reactivity gives a good estimate of the accuracy of the intensity measurement. Even in very simple cases this quantity can disturb the measuring results due to the complex sound field close to the sound radiating panel. By correcting the sound transmission loss results with the well known Waterhouse correction and by choosing an appropriate probe distance to the sound radiating construction, good agreement is obtained between the results of both experimental methods as well as with the SEA model. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
