Errors in radial velocity variance from Doppler wind lidar
- Cornell Univ., Ithaca, NY (United States). Sibley School of Mechanical and Aerospace Engineering; Cornell Univ, Sibley Sch Mech & Aerosp Engn, Ithaca, NY 14853 USA
- Cornell Univ., Ithaca, NY (United States). Sibley School of Mechanical and Aerospace Engineering
- Cornell Univ., Ithaca, NY (United States). Dept. of Earth and Atmospheric Sciences
A high-fidelity lidar turbulence measurement technique relies on accurate estimates of radial velocity variance that are subject to both systematic and random errors determined by the autocorrelation function of radial velocity, the sampling rate, and the sampling duration. Our paper quantifies the effect of the volumetric averaging in lidar radial velocity measurements on the autocorrelation function and the dependence of the systematic and random errors on the sampling duration, using both statistically simulated and observed data. For current-generation scanning lidars and sampling durations of about 30 min and longer, during which the stationarity assumption is valid for atmospheric flows, the systematic error is negligible but the random error exceeds about 10%.
- Research Organization:
- Cornell Univ., Ithaca, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- EE0005379
- OSTI ID:
- 1363864
- Journal Information:
- Atmospheric Measurement Techniques (Online), Journal Name: Atmospheric Measurement Techniques (Online) Journal Issue: 8 Vol. 9; ISSN 1867-8548
- Publisher:
- European Geosciences UnionCopyright Statement
- Country of Publication:
- United States
- Language:
- English
The spectral signature of wind turbine wake meandering: A wind tunnel and field-scale study: Wake meandering spectral signature
|
journal | April 2018 |
Estimation of turbulence dissipation rate and its variability from sonic anemometer and wind Doppler lidar during the XPIA field campaign
|
journal | January 2018 |
Wake Management in Wind Farms: An Adaptive Control Approach
|
journal | April 2019 |
Similar Records
Field evaluation of remote wind sensing technologies: Shore-based and buoy mounted LIDAR systems
Horizontal Velocity and Variance Measurements in the Stable Boundary Layer Using Doppler Lidar: Sensitivity to Averaging Procedures