TY - JOUR
T1 - Design considerations for large field particle image velocimetery (LF-PIV)
AU - Pol, S. U.
AU - Balakumar, B. J.
PY - 2013/2
Y1 - 2013/2
N2 - We discuss the challenges and limitations associated with the development of a large field of view particle image velocimetry (LF-PIV) diagnostic, capable of resolving large-scale motions (>1 m per camera) in gas phase laboratory and field experiments. While this diagnostic is developed for the measurement of wakes and local inflow conditions around research wind turbines, the design considerations provided here are also relevant for the application of LF-PIV to atmospheric boundary layer, rotorcraft dynamics and large-scale wind tunnel flows. Measurements over an area of 0.75 m × 1.0 m on a confined vortex were obtained using a standard 2MP camera, with the potential for increasing this area significantly using 11MP cameras. The cameras in this case were oriented orthogonal to the measurement plane receiving only the side-scattered component of light from the particles. Scaling laws associated with LF-PIV systems are also presented along with the performance analysis of low-density, large diameter Expancel particles, that appear to be promising candidates for LF-PIV seeding.
AB - We discuss the challenges and limitations associated with the development of a large field of view particle image velocimetry (LF-PIV) diagnostic, capable of resolving large-scale motions (>1 m per camera) in gas phase laboratory and field experiments. While this diagnostic is developed for the measurement of wakes and local inflow conditions around research wind turbines, the design considerations provided here are also relevant for the application of LF-PIV to atmospheric boundary layer, rotorcraft dynamics and large-scale wind tunnel flows. Measurements over an area of 0.75 m × 1.0 m on a confined vortex were obtained using a standard 2MP camera, with the potential for increasing this area significantly using 11MP cameras. The cameras in this case were oriented orthogonal to the measurement plane receiving only the side-scattered component of light from the particles. Scaling laws associated with LF-PIV systems are also presented along with the performance analysis of low-density, large diameter Expancel particles, that appear to be promising candidates for LF-PIV seeding.
KW - large field measurements
KW - particle image velocimetery (PIV)
KW - wind energy
UR - http://www.scopus.com/inward/record.url?scp=84872720615&partnerID=8YFLogxK
U2 - 10.1088/0957-0233/24/2/025302
DO - 10.1088/0957-0233/24/2/025302
M3 - Article
AN - SCOPUS:84872720615
SN - 0957-0233
VL - 24
JO - Measurement Science and Technology
JF - Measurement Science and Technology
IS - 2
M1 - 025302
ER -