03 02 0.6 Pr-0.01 02 04 5 8 10 12 14 16 18 20 22 24 Pr-0.01 02 0.7 on an 0.6 6 8 10 12 14 16 18 20 22 11 Pr -0.01 1.0 0.
Posted: Sun May 15, 2022 11:23 pm
- 03 02 0 6 Pr 0 01 02 04 5 8 10 12 14 16 18 20 22 24 Pr 0 01 02 0 7 On An 0 6 6 8 10 12 14 16 18 20 22 11 Pr 0 01 1 0 0 1 (247.06 KiB) Viewed 49 times
Pr<0.72 while the temperatures (right) do not have this
trend.
(c) considering the plate is 1m long at a uniform temp of 100C.
the plate is suspended in quiescent air that is 20C. please
calculate the velocity of the boundary layer thickness and max
upward velocity at the middle of the plate.
03 02 0.6 Pr-0.01 02 04 5 8 10 12 14 16 18 20 22 24 Pr-0.01 02 0.7 on an 0.6 6 8 10 12 14 16 18 20 22 11 Pr -0.01 1.0 0.5 Pr-0.01 0.4 0.8 ro) - Gr. 12 AZ PROBLEM 4 (15 points, 2.5 points for a and b and 10 for c) The shown plots are the solutions of velocity profiles (left) and temperature profiles (right) for the free convection boundary layer condition isothermal, vertical surface under laminar flow condition. (a) Please explain the physical meaning of y-axis and (b) why the curves converge at about 5-6 for velocity (left figure) for Pr <0.72 while temperatures (right figure) do not have the trend? c) Considering this vertical plate is 1 meter long at a 0 1 2 3 4 5 uniform temperature of 100 °C. The plate is suspended in quiescent air that is 20 °C. Please calculate the velocity of boundary layer thickness and maximum upward velocity at middle of the plate. PROPERTIES: Air (I=323K): v=18x10-6 kg/s-m. Pr=0.7 -0.72 1 2 0.3 0.6 988 7 - (T-T/T, - 0.2 0.4 0.72 1 2 10 100 1000 0.1 02 6 7 1 2 3 4 5 6 (a) (b)