Problem 3. Using the following scales, 1/4 L3 n = - E v=&a show that in turbulent flows, a very small part of dissipated energy of large eddies is related to the viscous dissipation. (² u=(vɛ) ¹/4, t=(v/ɛ) ¹/4, t₁ === V 2 " u²v (² E =

Elements Of Electromagnetics
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Problem 3. Using the following scales,
1/4
u'v
E. u=(ve)", 1=(v/s)“, 1,=,
v = č a
и
E, =
V
show that in turbulent flows, a very small part of dissipated energy of large eddies is related to the
viscous dissipation.
Transcribed Image Text:Problem 3. Using the following scales, 1/4 u'v E. u=(ve)", 1=(v/s)“, 1,=, v = č a и E, = V show that in turbulent flows, a very small part of dissipated energy of large eddies is related to the viscous dissipation.
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