Abstract
A digital dual-camera cinematographic particle image velocimetry (CPIV) system has been developed to provide time-resolved, high resolution flow measurements in high-Reynolds number, turbulent flows. Two high-speed CMOS cameras were optically combined to acquire double-pulsed CPIV images at kilohertz frame rates. Bias and random errors due to camera misalignment, camera vibration, and lens aberration were corrected or estimated. Systematic errors due to the camera misalignment were reduced to less than 2 pixels throughout the image plane using mechanical alignment, resulting in 3.1% positional uncertainty of velocity measurements. Frame-to-frame uncertainties caused by mechanical vibration were eliminated with the aid of digital image calibration and frame-to-frame camera registration. This dual-camera CPIV system is capable of resolving high speed, unsteady flows with high temporal and spatial resolutions. It also allows time intervals between the two exposures down to 4 μs, enabling the measurements of speed flows 5–10 times higher than possible with frame-straddling using similar cameras. A turbulent shallow cavity was then chosen as the experimental object investigated by this dual-camera CPIV technique.
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References
Honoré D, Lecordier B, Susset A, Jaffré D, Perrin M, Most JM, Trinité M (2000) Time-resolved particle image velocimetry in confined bluff-body burner flames. Exp Fluids 29:S248–S254
Laberteaux KL, Ceccio SL (2001a) Partial cavity flows: part 1: cavities forming on models without spanwise variation. J Fluid Mech 431:1–41
Laberteaux KL, Ceccio SL (2001b) Partial cavity flows: part 2: cavities forming on test subjects with spanwise variation. J Fluid Mech 431:43–63
Lecordier B, Trinité M (1999) Time resolved PIV measurements for high speed flows. 3rd International workshop on particle image velocimetry. Santa Barbara, CA, 16–18 September
Lin JC, Rockwell D (1994) Cinematographic system for high-image-density particle image velocimetry. Exp Fluids 17:110–118
Lin JC, Rockwell D (2001) Organized oscillations of initially turbulent flow past a cavity. AIAA J 39(6):1139–1151
Melling A (1997) Tracer particles and seeding for particle image velocimetry. Meas Sci Tech 8:1406–1416
O’Hern TJ, Tieszen SR, Schefer RW (1998) Development of a high-speed motion picture PIV system for large scale buoyant plumes. Proc 1998 ASME Fluids Eng Conf, Washington, DC, 21–25 June, FEDSM’98-5271
Oakelely TR, Loth E, Adrian RJ (1996) Cinematic particle image velocimetry of high-reynolds number turbulent free shear layer. AIAA J 34:299–308
Oweis GF, Choi J, Ceccio SL (2004) Dynamics and noise emission of laser induced cavitation bubbles in a vortical flow field. J Acoust Soc Am 115(3):1049–1058
Raffel M, Willert CE, Kompenhans J (1998) Particle image velocimetry: a practical guide, 1st edn. Springer, Berlin
Rockwell D, Knisely C (1979) The organized nature of flow impingement upon a corner. J Fluid Mech 93:413–432
Rockwell D, Naudascher E (1978) Review―self-sustaining oscillations of flow past cavities. J Fluids Eng 100:152–165
Rockwell D, Naudascher E (1979) Self-sustained oscillations of impinging free shear layers. Ann Rev Fluid Mech 11:67–94
Son SY, Kihm KD (2001) Evaluation of transient turbulent flow fields using digital cinematographic particle image velocimetry. Exp Fluids 30:537–550
Steinberg AM, Driscoll JF, Ceccio SL (2008) Measurements of turbulent premixed flame dynamics using cinema stereoscopic PIV. Exp Fluids 44(6):985–999
Stolz W, Kohler J, Lawrenz E, Meier F, Bloss WH, Maly RR, Herweg R, Zahn M (1992) Cycle resolved flow field measurements using a PIV movie technique in a SI engine. SAE Int fuels and lubricants meeting and exposition. San Francisco, CA, SAE 922354
Upatnieks A, Laberteaux K, Ceccio SL (2002) A kilohertz frame rate cinemagraphic PIV system for laboratory-scale turbulent and unsteady flow. Exp Fluids 32:87–98
Upatnieks A, Driscoll JF, Rasmussen CC, Ceccio SL (2004) Liftoff of turbulent jet flames-assessment of edge flame and other concepts using cinema-PIV. Combust Flame 138(3):259–272
Zhang Y (2000) Experimental studies of the turbulent structures of impinging reacting jets using time-resolved particle image velocimetry visualization, hot wire anemometry and acoustic signal processing. Exp Fluids 29:S282–S290
Zhang Y, Rogg B, Bray KNC (1996) Time and spatially resolved investigation of flame propagation and extinction in the vicinity of walls. Combust Sci Tech 114:255–271
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This work was partially supported by the National Science Foundation under project number NSF-CTM-02-03140.
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Bian, S., Ceccio, S.L. & Driscoll, J.F. A dual-camera cinematographic PIV measurement system at kilohertz frame rate for high-speed, unsteady flows. Exp Fluids 48, 487–495 (2010). https://doi.org/10.1007/s00348-009-0753-z
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DOI: https://doi.org/10.1007/s00348-009-0753-z