Homework Answers
Add Answer to:
Question2 An aluminum plate of length 1 m and width 1 m at 80 °C 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
Qi. A flat plate of width 1 m and length 0.2m is maintained at a temperature of 32°C. Ambient fluid at 22"C fBlows across the top of the plate in parallel flow. Determine the average heat tr...
Qi. A flat plate of width 1 m and length 0.2m is maintained at a temperature of 32°C. Ambient fluid at 22"C fBlows across the top of the plate in parallel flow. Determine the average heat transfer coefficient, the convection heat transfer rate from the top of the plate, and the drag force on the plate for the following: (a) The Buid is water flowing at a velocity of 0.5 m/s. o) Water is flowing at a velocity of 2.5...
Consider liquid water flowing over a flat plate of length L = 1 m. The water has the following properties: ρ-1000 kg/m3, Cp-4000 J/kgK. 10 3 kg/ ms, k 0.6 W/m . C μ Midway through the plate at x...
Consider liquid water flowing over a flat plate of length L = 1 m. The water has the following properties: ρ-1000 kg/m3, Cp-4000 J/kgK. 10 3 kg/ ms, k 0.6 W/m . C μ Midway through the plate at x = 0.5 m, you measure a heat flux to the surface of: 05 m 3181 W/m2 You also measure an average heat flux to the surface over the length of the plate of: "4500 W/m2 Knowing the latter, and knowing...
1. A very smooth flat plate of length L = 0.5 m and width b =...
1. A very smooth flat plate of length L = 0.5 m and width b = 2 m is immersed parallel to a stream of velocity 2 m/s. For both air and water as the working fluids; a. Show that the flow is completely laminar over the entire plate. (5 marks] b. Determine the drag force on one side of the plate. [4 marks] c. Determine the thicknesses , 8*, and at the end of the plate (x = L)....
Hot carbon dioxide exhaust gas at 1 atm is being cooled by flat plates. The gas...
Hot carbon dioxide exhaust gas at 1 atm is being cooled by flat
plates. The gas at 220°C flows in parallel over the upper and lower
surfaces of a 1.4-m-long flat plate at a velocity of 1.8 m/s and
the flat plate surface temperature is maintained at 80°C. The
properties of CO2 at Tf = (220°C + 80°C)/2 = 150°C are k = 0.02652
W/m∙K, ν = 1.627 × 10−5 m2/s, and Pr = 0.7445. Determine the local
convection heat...
An aluminum alloy (2024) plate, heated to a uniform temperature of 227°C, is allowed to cool while vertically suspended in a room where the ambient air and surroundings are at 27°C. The plate is 0.3...
An aluminum alloy (2024) plate, heated to a uniform temperature of 227°C, is allowed to cool while vertically suspended in a room where the ambient air and surroundings are at 27°C. The plate is 0.3 m square with a thickness of 15 mm. a) calculate the rate of heat transfer from the plate to the surrounding air. b) Develop an expression for the time rate of change of the plate temperature, assuming the temperature to be uni form at any...
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...
1 answer & continue > The upper surface of a 60-cm-thick solid plate (k = 237...
1 answer & continue > The upper surface of a 60-cm-thick solid plate (k = 237 W/m-K) is being cooled by water with temperature of 20°C. The upper and lower surfaces of the solid plate maintained at constant temperatures of 60°C and 120°C, respectively. Given: The thermal conductivity of the solid plate is given as k = 237 W/mK. The thermal conductivity of water at the film temperature of T; = (1,1770) =(60°C + 20°C)/2 = 40°C is kfluid =...
Heat transfer stream velocity is 34 m/s. the plate is the end of the plate: the...
Heat transfer
stream velocity is 34 m/s. the plate is the end of the plate: the surface of Air lr 120 C is fowing over the top surface of a 5.3-m long: 2.5-m width fnat plate. The air ity is 34 m/s, the plate is subjected to constant heat flux of 153 W/mi. Determine st ae (a)the friction coefficient, (b) the convection heat transfer coefficient, and (c) temperature. Also evaluate the surface temperature at x- 0.5 m of the plate?...
Problem 2 Engine oil at 80 °C flows over 6-m-long n flat plate whose temperature is...
Problem 2 Engine oil at 80 °C flows over 6-m-long n flat plate whose temperature is 30°C s with a velocity of 3 m/s. Determine the total drag force and the rate of heat transfer over the entire plate per unit width
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
Qi. A flat plate of width 1 m and length 0.2m is maintained at a temperature of 32°C. Ambient fluid at 22"C fBlows across the top of the plate in parallel flow. Determine the average heat transfer coefficient, the convection heat transfer rate from the top of the plate, and the drag force on the plate for the following: (a) The Buid is water flowing at a velocity of 0.5 m/s. o) Water is flowing at a velocity of 2.5...
Consider liquid water flowing over a flat plate of length L = 1 m. The water has the following properties: ρ-1000 kg/m3, Cp-4000 J/kgK. 10 3 kg/ ms, k 0.6 W/m . C μ Midway through the plate at x = 0.5 m, you measure a heat flux to the surface of: 05 m 3181 W/m2 You also measure an average heat flux to the surface over the length of the plate of: "4500 W/m2 Knowing the latter, and knowing...
1. A very smooth flat plate of length L = 0.5 m and width b = 2 m is immersed parallel to a stream of velocity 2 m/s. For both air and water as the working fluids; a. Show that the flow is completely laminar over the entire plate. (5 marks] b. Determine the drag force on one side of the plate. [4 marks] c. Determine the thicknesses , 8*, and at the end of the plate (x = L)....
Hot carbon dioxide exhaust gas at 1 atm is being cooled by flat
plates. The gas at 220°C flows in parallel over the upper and lower
surfaces of a 1.4-m-long flat plate at a velocity of 1.8 m/s and
the flat plate surface temperature is maintained at 80°C. The
properties of CO2 at Tf = (220°C + 80°C)/2 = 150°C are k = 0.02652
W/m∙K, ν = 1.627 × 10−5 m2/s, and Pr = 0.7445. Determine the local
convection heat...
An aluminum alloy (2024) plate, heated to a uniform temperature of 227°C, is allowed to cool while vertically suspended in a room where the ambient air and surroundings are at 27°C. The plate is 0.3 m square with a thickness of 15 mm. a) calculate the rate of heat transfer from the plate to the surrounding air. b) Develop an expression for the time rate of change of the plate temperature, assuming the temperature to be uni form at any...
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...
1 answer & continue > The upper surface of a 60-cm-thick solid plate (k = 237 W/m-K) is being cooled by water with temperature of 20°C. The upper and lower surfaces of the solid plate maintained at constant temperatures of 60°C and 120°C, respectively. Given: The thermal conductivity of the solid plate is given as k = 237 W/mK. The thermal conductivity of water at the film temperature of T; = (1,1770) =(60°C + 20°C)/2 = 40°C is kfluid =...
Heat transfer
stream velocity is 34 m/s. the plate is the end of the plate: the surface of Air lr 120 C is fowing over the top surface of a 5.3-m long: 2.5-m width fnat plate. The air ity is 34 m/s, the plate is subjected to constant heat flux of 153 W/mi. Determine st ae (a)the friction coefficient, (b) the convection heat transfer coefficient, and (c) temperature. Also evaluate the surface temperature at x- 0.5 m of the plate?...
Problem 2 Engine oil at 80 °C flows over 6-m-long n flat plate whose temperature is 30°C s with a velocity of 3 m/s. Determine the total drag force and the rate of heat transfer over the entire plate per unit width
Most questions answered within 3 hours.
-
It is said that Galileo discovered a basic principle of the
pendulum—that the period is independent...
asked 1 minute from now -
The Cost of Equity and
Flotation Costs
Messman Manufacturing
will issue common stock to the public...
asked 5 minutes ago -
a) summarize the challenges facing New Britain today
b) identify some of its strengths
c) suggest...
asked 7 minutes ago -
**86 at 40 not 88. please show how got Tr in calculations thank
you
2) The...
asked 8 minutes ago -
McGlaun Company pays its employees every two weeks. The firm
last paid its employees on September...
asked 21 minutes ago -
You have been gifted a Mogwai as a pet and decide to do a little
online...
asked 26 minutes ago -
given the standard of 200 mg/dl and the absorbance of that
standard is 0.640. What is...
asked 29 minutes ago -
Exercise 8-51 Algo
An accounting professor is notorious for being stingy in giving
out good letter...
asked 37 minutes ago -
month
total distribution cost
level of activity (unit produced)
july
230.000
3500
august
250.000
3750
september...
asked 38 minutes ago -
A smoke detector system uses two devices, A and B. If smoke is
present, the probability...
asked 1 hour ago -
Your division head has assigned another important project to you
and your team. This project is...
asked 51 minutes ago -
Under normal use conditions, the Mean Time To Failure of a
heating coil can be modeled...
asked 1 hour ago