Experiments in Fluids

, Volume 3, Issue 6, pp 339–341

Effect of spanwise probe volume length on laser velocimeter measurements in wall bounded turbulent flows

  • T. S. Luchik
  • W. G. Tiederman
Technical notes

List of symbols

B

constant in Spalding's law of the wall = 6.0

d

diameter of probe volume

I

spanwise length of probe volume

P

static pressure

u

streamwise RMS velocity

uτ

shear velocity

x

streamwise direction

y

direction normal to wall

χ

Von Karman constant = 0.41

ν

kinematic viscosity

Superscripts

+

normalized withuτ and ν

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References

  1. Blackwelder, R. F.; Haritonidis, J. H. 1983: Scaling of the bursting frequencies in turbulent boundary layers. J. Fluid Mech. 132, 87–103Google Scholar
  2. Johansson, A. V.; Alfredsson, P. H. 1983: Effects of imperfect spatial resolution on measurements of wall bounded turbulent shear flows. J Fluid Mech. 137, 409–421Google Scholar
  3. Karpuk, M. E.; Tiederman, W. G. 1976: Effect of finite size probe volume upon laser Doppler anemometer measurements. AIAA J. 14, 1099–1105Google Scholar
  4. Stevenson, W. H.; Thompson, H. D.; Roesler, T. C. 1982: Direct measurement of laser velocimeter bias errors in a turbulent flow. AIAA J. 20, 1720–1723Google Scholar
  5. Walker, D. T.; Tiederman, W. G.; Luchik, T. S. 1985: Optimization of the injection process for drag-reducing additives. Exp. Fluids (in press)Google Scholar
  6. Willmarth, W. W.; Sharma, L. K. 1984: Study of turbulent structure with hot wires smaller than the viscous length. J. Fluid Mech. 142, 121–149Google Scholar

Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • T. S. Luchik
    • 1
  • W. G. Tiederman
    • 1
  1. 1.School of Mechanical EngineeringPurdue UniversityWest LafayetteUSA

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