DPIV measurements using pre-bias method for flow field velocity uniformity in a water tunnel

Gongxin Shen; Zhan Huang; Runjie Wei; Hui Guo

doi:10.1117/12.449393

26 November 2001 DPIV measurements using pre-bias method for flow field velocity uniformity in a water tunnel

Gongxin Shen, Zhan Huang, Runjie Wei, Hui Guo

Proceedings Volume 4448, Optical Diagnostics for Fluids, Solids, and Combustion; (2001) https://doi.org/10.1117/12.449393
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

In this paper, a DPIV system was used in which the CCD camera was so called frame straddling camera and the cross- correlation method was used for the particle image processing. For flow velocity uniformity measurements a special Pre-bias method was provided and in principle the measuring accuracy of the new method could increase to one order level. It makes the possibility to measure the uniformity of the flow velocity fields using PIV.

Citation Download Citation

Gongxin Shen, Zhan Huang, Runjie Wei, and Hui Guo "DPIV measurements using pre-bias method for flow field velocity uniformity in a water tunnel", Proc. SPIE 4448, Optical Diagnostics for Fluids, Solids, and Combustion, (26 November 2001); https://doi.org/10.1117/12.449393

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