Abstract
In order to resolve the problems that the analysis results of mu-level algorithm were influenced easily by measurement and detection parameters, the adaptability of burst-detection in turbulent boundary layer were researched in detail. Through contrast analysis of vertical testing position, sampling frequency, sampling time, boundary-parameter and accessional determinant condition, the influence rules of above factor on burst-detection were acquired, and feasible approaches to enhance burst frequency veracity in turbulent boundary layer were discussed. Finally, a four-step method of detecting burst frequency with mu-level algorithm (fore-sampling, fore-analysis, sampling, detection analysis) was summarized.
| Original language | English |
|---|---|
| Pages (from-to) | 2169-2175 |
| Number of pages | 7 |
| Journal | Hangkong Dongli Xuebao/Journal of Aerospace Power |
| Volume | 24 |
| Issue number | 10 |
| State | Published - Oct 2009 |
Keywords
- Burst
- Conditional sampling techniques
- Mu-level algorithm
- Turbulent boundary layer
- Wind tunnel
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