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Velocity Measurements and Flow Visualization in Low Viscosity Jets.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Velocity Measurements and Flow Visualization in Low Viscosity Jets./
Author:	Wright, Ian Stanley.
Description:	1 online resource (76 pages)
Notes:	Source: Masters Abstracts International, Volume: 82-06.
Contained By:	Masters Abstracts International82-06.
Subject:	Mechanical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28148674click for full text (PQDT)
ISBN:	9798684690624

Velocity Measurements and Flow Visualization in Low Viscosity Jets.
Wright, Ian Stanley.

Velocity Measurements and Flow Visualization in Low Viscosity Jets. - 1 online resource (76 pages)

Source: Masters Abstracts International, Volume: 82-06.

Thesis (M.S.M.E.)--University of Minnesota, 2020.

Includes bibliographical references

Mixing of a liquid jet into a surrounding fluid is a commonly encountered phenomenon in both natural and engineering systems. Understanding the influence of viscosity ratio on jet stability can help design fluid systems with enhanced or suppressed mixing characteristics. Experiments were conducted with low viscosity axisymmetric liquid jets to characterize the behavior of instabilities as a function of viscosity ratio. In the experiment, viscosity ratios M (ambient-to-jet) from 1 to 50 were imaged in a constant density environment at jet Reynolds numbers ranging from 794 to 2464. Images display a change from axisymmetric jet breakup to a helical mode at high Reynolds numbers and high ambient-to-jet viscosity ratios. Additionally, hot film velocity measurements were taken to characterize the jet profile and quantitatively measure both the mean and fluctuating velocity fields. The spectral data captured singular peaks in the frequency domain, in the range of 6-30 Hz. This peak frequency was further shown to have a dependence on both the jet Reynolds number and the ambient-to-jet viscosity ratio. Images of jet breakup, jet velocity profiles, and velocity instability spectra are shown and discussed.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798684690624Subjects--Topical Terms:

649730
Mechanical engineering.
Subjects--Index Terms:

Liquid jetIndex Terms--Genre/Form:

542853
Electronic books.

Velocity Measurements and Flow Visualization in Low Viscosity Jets.
LDR:02527nmm a2200373K 4500 001 2353859
005 20230322053921.5
006 m o d
007 cr mn ---uuuuu
008 241011s2020 xx obm 000 0 eng d
020 $a 9798684690624
035 $a (MiAaPQ)AAI28148674
035 $a AAI28148674
040 $a MiAaPQ $b eng $c MiAaPQ $d NTU
100 1 $a Wright, Ian Stanley. $3 3694190
245 1 0 $a Velocity Measurements and Flow Visualization in Low Viscosity Jets.
264 0 $c 2020
300 $a 1 online resource (76 pages)
336 $a text $b txt $2 rdacontent
337 $a computer $b c $2 rdamedia
338 $a online resource $b cr $2 rdacarrier
500 $a Source: Masters Abstracts International, Volume: 82-06.
500 $a Advisor: Srinivasan, Vinod.
502 $a Thesis (M.S.M.E.)--University of Minnesota, 2020.
504 $a Includes bibliographical references
520 $a Mixing of a liquid jet into a surrounding fluid is a commonly encountered phenomenon in both natural and engineering systems. Understanding the influence of viscosity ratio on jet stability can help design fluid systems with enhanced or suppressed mixing characteristics. Experiments were conducted with low viscosity axisymmetric liquid jets to characterize the behavior of instabilities as a function of viscosity ratio. In the experiment, viscosity ratios M (ambient-to-jet) from 1 to 50 were imaged in a constant density environment at jet Reynolds numbers ranging from 794 to 2464. Images display a change from axisymmetric jet breakup to a helical mode at high Reynolds numbers and high ambient-to-jet viscosity ratios. Additionally, hot film velocity measurements were taken to characterize the jet profile and quantitatively measure both the mean and fluctuating velocity fields. The spectral data captured singular peaks in the frequency domain, in the range of 6-30 Hz. This peak frequency was further shown to have a dependence on both the jet Reynolds number and the ambient-to-jet viscosity ratio. Images of jet breakup, jet velocity profiles, and velocity instability spectra are shown and discussed.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Mechanical engineering. $3 649730
650 4 $a Fluid mechanics. $3 528155
653 $a Liquid jet
653 $a Fluctuating velocity fields
653 $a Jet Reynolds numbers
653 $a Velocity instability spectra
655 7 $a Electronic books. $2 lcsh $3 542853
690 $a 0548
690 $a 0204
710 2 $a ProQuest Information and Learning Co. $3 783688
710 2 $a University of Minnesota. $b Mechanical Engineering. $3 1020853
773 0 $t Masters Abstracts International $g 82-06.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28148674 $z click for full text (PQDT)