TY - GEN
T1 - Comparison of UVP and PIV measurements of the mixing of parallel vertical jets
AU - Wiggins, Cody
AU - Ruggles, Arthur
PY - 2014
Y1 - 2014
N2 - Impinging parallel jets are of importance to a number of industrial systems and are thus of particular interest for both computational fluid dynamics and flow instrumentation and measurement. In this work, Ultrasonic Velocity Profiling (UVP) was used to study the vertical impingement of two submerged, parallel water jets into a 760-liter water tank at ambient temperature and pressure within the University of Tennessee's Twin Jet Water Facility (TJWF). This data was then compared to previous TJWF measurements conducted on a similarly prepared system using Particle Image Velocimetry (PIV). The two data sets are reported that show general agreement with respect to the shape of the jet in the combined region. Discrepancies in excess of identified measurement uncertainties were observed throughout the jet structure in both the magnitude of the measured velocities and the observed width of the jet. Large turbulence and waggling observed in the jet as well as the two-dimensionality of the flow are explored possible causes of this difference. These data discrepancies are similar in character to data on plumes and jets where legacy hot wire measurements were found to be inconsistent with early LDV data.
AB - Impinging parallel jets are of importance to a number of industrial systems and are thus of particular interest for both computational fluid dynamics and flow instrumentation and measurement. In this work, Ultrasonic Velocity Profiling (UVP) was used to study the vertical impingement of two submerged, parallel water jets into a 760-liter water tank at ambient temperature and pressure within the University of Tennessee's Twin Jet Water Facility (TJWF). This data was then compared to previous TJWF measurements conducted on a similarly prepared system using Particle Image Velocimetry (PIV). The two data sets are reported that show general agreement with respect to the shape of the jet in the combined region. Discrepancies in excess of identified measurement uncertainties were observed throughout the jet structure in both the magnitude of the measured velocities and the observed width of the jet. Large turbulence and waggling observed in the jet as well as the two-dimensionality of the flow are explored possible causes of this difference. These data discrepancies are similar in character to data on plumes and jets where legacy hot wire measurements were found to be inconsistent with early LDV data.
UR - http://www.scopus.com/inward/record.url?scp=84908224318&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84908224318
T3 - Embedded Topical Meeting on Advances in Thermal Hydraulics, ATH 2014, Held at the American Nuclear Society 2014 Annual Meeting
SP - 417
EP - 426
BT - Embedded Topical Meeting on Advances in Thermal Hydraulics, ATH 2014, Held at the American Nuclear Society 2014 Annual Meeting
PB - American Nuclear Society
T2 - Embedded Topical Meeting on Advances in Thermal Hydraulics, ATH 2014, Held at the American Nuclear Society 2014 Annual Meeting
Y2 - 15 June 2014 through 19 June 2014
ER -