Consider parallel flow over a flat plate for air at 300 K and engine oil at 380 K. The free stream velocity is u = 1.6 m/s. The temperature difference between the surface and the free stream is the same in both cases, with Ts > Too (a) Determine the location, in m, where transition to turbulence occurs, xe, for both fluids. 8 (b) For laminar flow over a flat plate, the velocity boundary layer thickness is given by = layer thickness 8, in m, for x = 1 for each fluid. X 5 Rex Determine the velocity boundary (c) Determine the thermal boundary layer thickness ,, in m, for x = 1 for each fluid. At an x-location where both fluids experience laminar flow conditions, which fluid has the largest temperature gradient at the plate surface, - aT/ dyly-o? Which fluid is associated with the largest local Nusselt number Nu? Which fluid is associated with the largest local heat transfer coefficient h?
Consider parallel flow over a flat plate for air at 300 K and engine oil at 380 K. The free stream velocity is u = 1.6 m/s. The temperature difference between the surface and the free stream is the same in both cases, with Ts > Too (a) Determine the location, in m, where transition to turbulence occurs, xe, for both fluids. 8 (b) For laminar flow over a flat plate, the velocity boundary layer thickness is given by = layer thickness 8, in m, for x = 1 for each fluid. X 5 Rex Determine the velocity boundary (c) Determine the thermal boundary layer thickness ,, in m, for x = 1 for each fluid. At an x-location where both fluids experience laminar flow conditions, which fluid has the largest temperature gradient at the plate surface, - aT/ dyly-o? Which fluid is associated with the largest local Nusselt number Nu? Which fluid is associated with the largest local heat transfer coefficient h?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![Consider parallel flow over a flat plate for air at 300 K and engine oil at 380 K. The free stream velocity is u
temperature difference between the surface and the free stream is the same in both cases, with Ts > T
(a) Determine the location, in m, where transition to turbulence occurs, xc, for both fluids.
8
X
(b) For laminar flow over a flat plate, the velocity boundary layer thickness is given by =
layer thickness 6, in m, for x = 1 for each fluid.
Part A
Determine the location, in m, where transition to turbulence occurs, xc, for both fluids.
(c) Determine the thermal boundary layer thickness 6₁, in m, for x = 1 for each fluid. At an x-location where both fluids experience
laminar flow conditions, which fluid has the largest temperature gradient at the plate surface, — dT/ dy|y_o? Which fluid is associated
with the largest local Nusselt number Nu? Which fluid is associated with the largest local heat transfer coefficient h?
y=0
Xc,air =
Xc,eo
=
i
m
5
Rex
m
= 1.6 m/s. The
Determine the velocity boundary](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5196ce47-c587-43a0-995e-b2cdf9e7204d%2Fae3a5868-d362-4efa-986f-269d5d62b86e%2Frj80u8j_processed.png&w=3840&q=75)
Transcribed Image Text:Consider parallel flow over a flat plate for air at 300 K and engine oil at 380 K. The free stream velocity is u
temperature difference between the surface and the free stream is the same in both cases, with Ts > T
(a) Determine the location, in m, where transition to turbulence occurs, xc, for both fluids.
8
X
(b) For laminar flow over a flat plate, the velocity boundary layer thickness is given by =
layer thickness 6, in m, for x = 1 for each fluid.
Part A
Determine the location, in m, where transition to turbulence occurs, xc, for both fluids.
(c) Determine the thermal boundary layer thickness 6₁, in m, for x = 1 for each fluid. At an x-location where both fluids experience
laminar flow conditions, which fluid has the largest temperature gradient at the plate surface, — dT/ dy|y_o? Which fluid is associated
with the largest local Nusselt number Nu? Which fluid is associated with the largest local heat transfer coefficient h?
y=0
Xc,air =
Xc,eo
=
i
m
5
Rex
m
= 1.6 m/s. The
Determine the velocity boundary
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