Homework Answers
Add Answer to:
Problem 2 Engine oil at 80 °C flows over 6-m-long n flat plate whose temperature is...
estion 9 10 points Saver Engine oil at 80'C flows over a 5-m-long flat plate whose...
estion 9 10 points Saver Engine oil at 80'C flows over a 5-m-long flat plate whose temperature is 30°C with a velocity of 5.5 m/s. The properties of engine oil at the film temperature of (Ts + T-y2 = (80+ 30y2 = 55°C are p =367 kg/m2, v = 7.045 105 m2/s, k = 0.1414 W/m.*C, and Pr = 1551. Determine the Heat Transfer in kW
2. (25 pts) Engine oil flows with a velocity of 6 m/s over a flat plate...
2. (25 pts) Engine oil flows with a velocity of 6 m/s over a flat plate having 1m length and 1 m width. The oil has a free stream temperature To= 80 °C and the plate surface temperature is maintained at Ts = 0 °C. a. Determine whether the flow over the plate transitions to turbulent regime. b. Calculate the average friction factor and the average heat transfer coefficient for the plate by using the appropriate correlations. c. Calculate the...
RCES Problem 7.002 Engine oil at 100°C and a velocity of 0.20 m/s flows over both...
RCES Problem 7.002 Engine oil at 100°C and a velocity of 0.20 m/s flows over both surfaces of a 1-m-long flat plate maintained at 20°C 001 Determine: (a) The velocity and thermal boundary layer thicknesses at the trailing edge. (b) The local heat flux and surface shear stress at the trailing edge. (c) The total drag force and heat transfer per unit width of the plate. 02 Determine the velocity boundary layer thickness 6 at the trailing edge, in m....
Engine oil at 94 "C flows over the upper surface of a 5-m long, 2-m wide...
Engine oil at 94 "C flows over the upper surface of a 5-m long, 2-m wide flat plae whone surface temperature is 20 "C with a velocity of 2 m/s Oil properties at film temperature, 57 °C: p-8658 kg/m' ; μ-8, 39 x 10" Pas; s. 0.141 W/m.K; Pr 1205 flow over the entire plate laminar or turbulent? (b) Determine the heat transfer coeficient, h, of oil flow over the surface (c) Determine the rate of heat transfer to the...
Air at a temperature of 300 K flows over one side of a flat plate of...
Air at a temperature of 300 K flows over one side of a flat plate of width 1 m at a velocity of 20 m/s. The plate has a constant surface temperature of 350 K. Assume Re(x,c)=5x10^5. a) What is the velocity boundary layer thickness at the end of the plate if L=0.25 m? What if L=1 m? b) Calculate the drag on the plate if L=0.25 m. What is the drag if L=1 m? c) Find the heat transfer...
Problem 1: Atmospheric air at 25°C flows over both surfaces of 2 m long flat plate...
Problem 1: Atmospheric air at 25°C flows over both surfaces of 2 m long flat plate maintained at 125°C. For upper surface, velocity of air is 1 m/s and for lower surface, velocity is 10 m/s. (Rex,c = 5x105) (a) Determine the flow condition for upper and lower surfaces. (Laminar, or turbulent). If the condition is that laminar to turbulent is taking place, calculate the position where transition from the laminar to turbulent happens. (b) Determine the rate of heat...
8) Air flows over a flat plate at a velocity of 20 m/s and a temperature...
8) Air flows over a flat plate at a velocity of 20 m/s and a temperature of 20C. The surface temperature of the plate is 134C, and the length of the plate in the direction of flow is 1.5 m. Properties of air may be taken as A-0.030 W/m-C, Pr-0.700, and a/p 2.092E-5 m/s (5% ) What is the location from the leading edge, X, where the flow becomes turbulent Re (20)15 a l Ve30s T20 T LaLS 523 m...
Air at T = 5 °C is flowing over a suspended 1-m long flat plate at...
Air at T = 5 °C is flowing over a suspended 1-m long flat plate at a velocity of 10 m/s. Determine the total drag force per-unit-width acting on the plate and location where the flow transitions to turbulent. Provide a schematic and show all work!
Unused engine oil at 27°C flows with a free stream velocity of 0.1 m/s over a...
Unused engine oil at 27°C flows with a free stream velocity of 0.1 m/s over a 20 cm square plate. The plate temperature is maintained at 67°С. Consider the following: ii) iii) Determine the Reynolds number based on plate length Rel. Calculate the average Nusselt number based on plate length Nuu. Evaluate the heat transfer (W) from the plate.
During a cooling process of a stainless steel plate, water at 30°C flows over this plate...
During a cooling process of a stainless steel plate, water at 30°C flows over this plate at a velocity of 0.02 m/s. The stainless steel plate (k=19 W/mK) has 1.15 meter long in the flow direction) and the plate width is 0.7 meter. The plate has a uniform surface temperature of 70°C. Determine, 1. The average friction coefficient 2. The total drag force due to friction (N) 3. The average convection heat transfer 2. coefficient (W/m K) 4. The steady...
estion 9 10 points Saver Engine oil at 80'C flows over a 5-m-long flat plate whose temperature is 30°C with a velocity of 5.5 m/s. The properties of engine oil at the film temperature of (Ts + T-y2 = (80+ 30y2 = 55°C are p =367 kg/m2, v = 7.045 105 m2/s, k = 0.1414 W/m.*C, and Pr = 1551. Determine the Heat Transfer in kW
2. (25 pts) Engine oil flows with a velocity of 6 m/s over a flat plate having 1m length and 1 m width. The oil has a free stream temperature To= 80 °C and the plate surface temperature is maintained at Ts = 0 °C. a. Determine whether the flow over the plate transitions to turbulent regime. b. Calculate the average friction factor and the average heat transfer coefficient for the plate by using the appropriate correlations. c. Calculate the...
RCES Problem 7.002 Engine oil at 100°C and a velocity of 0.20 m/s flows over both surfaces of a 1-m-long flat plate maintained at 20°C 001 Determine: (a) The velocity and thermal boundary layer thicknesses at the trailing edge. (b) The local heat flux and surface shear stress at the trailing edge. (c) The total drag force and heat transfer per unit width of the plate. 02 Determine the velocity boundary layer thickness 6 at the trailing edge, in m....
Engine oil at 94 "C flows over the upper surface of a 5-m long, 2-m wide flat plae whone surface temperature is 20 "C with a velocity of 2 m/s Oil properties at film temperature, 57 °C: p-8658 kg/m' ; μ-8, 39 x 10" Pas; s. 0.141 W/m.K; Pr 1205 flow over the entire plate laminar or turbulent? (b) Determine the heat transfer coeficient, h, of oil flow over the surface (c) Determine the rate of heat transfer to the...
Problem 1: Atmospheric air at 25°C flows over both surfaces of 2 m long flat plate maintained at 125°C. For upper surface, velocity of air is 1 m/s and for lower surface, velocity is 10 m/s. (Rex,c = 5x105) (a) Determine the flow condition for upper and lower surfaces. (Laminar, or turbulent). If the condition is that laminar to turbulent is taking place, calculate the position where transition from the laminar to turbulent happens. (b) Determine the rate of heat...
8) Air flows over a flat plate at a velocity of 20 m/s and a temperature of 20C. The surface temperature of the plate is 134C, and the length of the plate in the direction of flow is 1.5 m. Properties of air may be taken as A-0.030 W/m-C, Pr-0.700, and a/p 2.092E-5 m/s (5% ) What is the location from the leading edge, X, where the flow becomes turbulent Re (20)15 a l Ve30s T20 T LaLS 523 m...
Air at T = 5 °C is flowing over a suspended 1-m long flat plate at a velocity of 10 m/s. Determine the total drag force per-unit-width acting on the plate and location where the flow transitions to turbulent. Provide a schematic and show all work!
Unused engine oil at 27°C flows with a free stream velocity of 0.1 m/s over a 20 cm square plate. The plate temperature is maintained at 67°С. Consider the following: ii) iii) Determine the Reynolds number based on plate length Rel. Calculate the average Nusselt number based on plate length Nuu. Evaluate the heat transfer (W) from the plate.
During a cooling process of a stainless steel plate, water at 30°C flows over this plate at a velocity of 0.02 m/s. The stainless steel plate (k=19 W/mK) has 1.15 meter long in the flow direction) and the plate width is 0.7 meter. The plate has a uniform surface temperature of 70°C. Determine, 1. The average friction coefficient 2. The total drag force due to friction (N) 3. The average convection heat transfer 2. coefficient (W/m K) 4. The steady...
Most questions answered within 3 hours.
-
A monopoly sells in two countries . The demand curves in the two
countries are p1...
asked 42 minutes ago -
A .15kg rubber ball is bounced off a wall. Before hitting the
wall, the ball moves...
asked 1 hour ago -
A manufacturing company preparing to build a new plant is
considering three potential locations for it....
asked 1 hour ago -
B. If compound Y has approximately the same values of solubility
in toluene as compound X,...
asked 2 hours ago -
Oscar Inc. has inventory in Japan valued at 39,051,000 Yen one
year ago. One year ago...
asked 2 hours ago -
If Canada suffered from "fundamental disequilibrium," and its
government choose not to devalue its currency, a...
asked 2 hours ago -
4. How many input & output Key Value Pairs are passed into,
and emitted out of...
asked 2 hours ago -
Why would your heart not function well if constructed of
skeletal muscle? What is the particular...
asked 2 hours ago -
Please respond to this essay question in full essay form for
Chemistry 1102 Organic and Biochemistry:...
asked 2 hours ago -
Determine the head loss and velocity of flow in a water supply main
of 15.0 cm...
asked 2 hours ago -
A marketing executive who knowingly authorizes a shoddy
defective product to be brought to market is...
asked 2 hours ago -
Write a psudocode:
1. Define a function called authorize that takes in 2 strings,
uName, and...
asked 2 hours ago