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Spatial Correlation of Turbulent Flow Pressure Fluctuations Downstream of an Obstruction Calvin Engineering
- Format:
- Book
- Conference/Event
- Author/Creator:
- DeJong, Richard, author.
- Conference Name:
- Noise and Vibration Conference & Exhibition (2021-09-07 : Grand Rapids & Online, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2021
- Summary:
- The structural excitation by turbulent flow pressure fluctuations continues to be an important part of vehicle NVH analysis and design. Much of the analytical work on turbulent flow has been limited to flow over smooth, flat surfaces. Measurements and CFD analyses show a significantly different pressure spectrum for flows over an obstruction. The coupling of the turbulent pressure excitation to the structural vibration and transmitted sound depends on the spatial matching between the source and response fields. This paper develops an analytical model for the spatial correlation of turbulent flow pressure fluctuations downstream of an obstruction. Such a model is useful in the early design stage of a vehicle and is compatible with SEA models of the fluid structure interaction
- Notes:
- Vendor supplied data
- Publisher Number:
- 2021-01-1049
- Access Restriction:
- Restricted for use by site license
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