Performances of Volume-PTV and Tomo-PIV - Open Journal of Fluid Dynamics

OJFD > Vol.2 No.4, December 2012

Open Journal of Fluid Dynamics

Volume 2, Issue 4 (December 2012)

ISSN Print: 2165-3852 ISSN Online: 2165-3860

Google-based Impact Factor: 0.63 Citations h5-index & Ranking

Performances of Volume-PTV and Tomo-PIV ()

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Download as PDF (Size: 1679KB) PP. 368-374

DOI: 10.4236/ojfd.2012.24A047 4,484 Downloads 7,029 Views Citations

Author(s)

Deog Hee Doh, Chang Jae Lee, Gyeong Rae Cho, Kyeong Rok Moon

Affiliation(s)

Division of Mechanical and Energy Systems Engineering, Korea Maritime University, Busan, Korea.
LG Electronics, Home Appliance, Changwon, Korea.

ABSTRACT

We constructed a volume particle-tracking velocimetry (Volume-PTV) algorithm for comparisons with the tomographic particle image velocimetry (Tomo-PIV) algorithm, in which the multiplicative algebraic reconstruction technique (MART) was adopted. Performance tests on both algorithms were conducted by using artificial images generated through numerical data sets. Standard data on an impinging jet were used to test the Volume-PTV algorithm, whereas ring vortex data were used to test the Tomo-PIV algorithm. The influence of the number of particles (particle density in volume) on the key factors of Volume-PTV, such as particle movements and particle neighborhoods, were investigated. Furthermore, the effects of particle density and sizes onto the recovery ratio of the vectors were evaluated.

KEYWORDS

Volume-Particle-Tracking Velocimetry; Tomographic-Particle Image Velocimetry; Ring Vortex; Recovery Ratio

Share and Cite:

Doh, D. , Lee, C. , Cho, G. and Moon, K. (2012) Performances of Volume-PTV and Tomo-PIV. Open Journal of Fluid Dynamics, 2, 368-374. doi: 10.4236/ojfd.2012.24A047.

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