Flow Modulation by an Active Grid
2017
A new approach is shown, which estimates active grid wake features and enables to generate specific dynamically changing flow fields in a wind tunnel by means of an active grid. For example, measurements from free field can be reproduced in a wind tunnel. Here, the approach is explained and applied. Moreover, the approach is validated with wind tunnel measurements, in terms of time series and stochastic features. Thus, possibilities and limitations become obvious. We conclude that this new active grid wake estimating approach deepens the knowledge about specific flow modulations and shows new working ranges of active grids.
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