Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/16618
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Type: | Journal article |
Title: | Fast-convergent iterative scheme for filtering velocity signals and finding Kolmogorov scales |
Author: | Mi, J. Deo, R. Nathan, G. |
Citation: | Physical Review E: Statistical, Nonlinear, and Soft Matter Physics, 2005; 71(6):066304-1-066304-5 |
Publisher: | American Physical Soc |
Issue Date: | 2005 |
ISSN: | 1539-3755 1550-2376 |
Statement of Responsibility: | J. Mi, R. C. Deo, and G. J. Nathan |
Abstract: | The present fundamental knowledge of fluid turbulence has been established primarily from hot- and cold-wire measurements. Unfortunately, however, these measurements necessarily suffer from contamination by noise since no certain method has previously been available to optimally filter noise from the measured signals. This limitation has impeded our progress of understanding turbulence profoundly. We address this limitation by presenting a simple, fast-convergent iterative scheme to digitally filter signals optimally and find Kolmogorov scales definitely. The great efficacy of the scheme is demonstrated by its application to the instantaneous velocity measured in a turbulent jet. |
Rights: | ©2005 American Physical Society |
DOI: | 10.1103/PhysRevE.71.066304 |
Published version: | http://dx.doi.org/10.1103/physreve.71.066304 |
Appears in Collections: | Aurora harvest 2 Environment Institute Leaders publications Mechanical Engineering publications |
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hdl_16618.pdf | Published version | 71.99 kB | Adobe PDF | View/Open |
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