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Problem 1 (20 pts) Air flow with uniform velocity Do and ambient atmospheric pressure po enters...
A thin, flat plate of 0.6 m square is immersed in a parallel stream of air at atmospheric pressure and 15 ºC flowing at a velocity of 6 m/s. Neglect edge effects. a) Determine the drag force exerted o...
A thin, flat plate of 0.6 m square is immersed in a parallel stream of air at atmospheric pressure and 15 ºC flowing at a velocity of 6 m/s. Neglect edge effects. a) Determine the drag force exerted on the plate. b) Determine the boundary layer thickness and the local drag coefficient at a distance 0.3 m from the leading edge.
Class work 1 At normal pressure, the meters per second.. find the range of critical distance...
Class work 1 At normal pressure, the meters per second.. find the range of critical distance watcr at a temperature of 20 degrees passes through a smooth surface at a uniform velocity of s Xc value for laminar boundary layer to turbulent boundary layer P-998.2kg/m 100.5x10s Pa s 2. At atmospheric pressure, the air at a temperature of 30 degrees passes through the surface of a smooth plate at the rate of 10m/s.. Re, is 3.2X 10, determine by calculation...
Heat Transfer Please be neat and organized for a thumbs up! Problem 3 Atmospheric air at...
Heat Transfer
Please be neat and organized for a thumbs up!
Problem 3 Atmospheric air at T 300 K and a free stream velocity of u 10 m/s flows over a flat plate L = 2 m long that is maintained at a uniform temperature T-320 K. (a) Calculate the average heat transfer coefficient over the region where the boundary layer is laminar. What is the boundary layer thickness at this location? plate as well as the velocity boundary layer...
Problem 1: Air at 100 degrees Celsius, 1 atm and a free stream velocity of 5...
Problem 1: Air at 100 degrees Celsius, 1 atm and a
free stream velocity of 5 m/s flows over a 3 meter long, thin, flat
plate of naphthalene, causing it to sublime...
Please answer all parts
Problem 1. (20 Points) Air at 100°C, 1 atm, and a free-stream velocity of 5 m/s flows over a 3- m-long, thin, flat plate of naphthalene, causing it to sublime. (a) Determine the length over which a laminar boundary layer persists. (b) For that...
1. [20 pts] An indraft wind tunnel pulls air into an inlet, through a contraction, the...
1. [20 pts] An indraft wind tunnel pulls air into an inlet, through a contraction, the test section, and the diffuser, as shown below. The test section has a circular cross section and it has a diameter of 0.5 m. Assume the wind tunnel is at sea level and the temperature and pressure of the atmosphere are given by standard atmospheric conditions. (a) If the test section is designed to have a velocity of 200 m/s, determine the Mach number,...
q5 Atmospheric air at25hows over a fiat plate at a velocity of o ms The ter...
q5
Atmospheric air at25hows over a fiat plate at a velocity of o ms The ter p The flat plate, ofm width and Qomm thickness is maintained at a uniform surface temperatureo Use the following thermophysical properties of the plate k = 5.2 w/rm.K; Cp = 320 J/kE- ρ = 2300 kg/m2. Determine the required power generation q (W/m2) at a distance of 700mm from the leading edge of the plate.
Problem No-3: Air at 20 c(p-1.21kg/mH-38x107 kg.m/s) and with a free stream velocity o 40 m/s...
Problem No-3: Air at 20 c(p-1.21kg/mH-38x107 kg.m/s) and with a free stream velocity o 40 m/s flows past a smooth thin plate which is 3-m wide and 10-m long in the flow direction. turbulent boundary layer from the leading edge determine: (a) the boundary layer thickness 6 m from the leading edge (b) the drag coefficient and drag force exerted by the fluid on the thin plate Take density 1.2 kg/m3 and kinematic viscosity as 1.49 x 10-s m'/s: (12p)...
Air at atmospheric pressure and temperature of 56 5 C flows with velocity of 0915 m/sec...
Air at atmospheric pressure and temperature of 56 5 C flows with velocity of 0915 m/sec along a flat plate which is kept at a uniform temperature of 121.C Determine the local heat transfe coefficient hx) at a distance of 0.61 meter from the leading edge of the plate and the t transfer coefficient h. over the length of 0to061m peer feet of plate width Air at average temperature has Pr 062, 00313 W/m. C and u 0.22310 m/se
4.) Air flows adiabatically through a duct. At point (1) the velocity is 200 m/s with...
4.) Air flows adiabatically through a duct. At point (1) the velocity is 200 m/s with a temperature of 310 K and pressure of 180 kPa. Compute a.) T., b.) Pol, c.) po, d.) Ma, e.) Vmax, f.) V*. At point (2) further downstream the velocity is 270 m/s and pressure is 125 kPa, g.) what is the stagnation pressure P.2?
Problem 2 (30 pts): For the air-conditioning system shown below in which atmospheric air is first...
Problem 2 (30 pts): For the air-conditioning system shown below in which atmospheric air is first heated and then humidified with a steam spray, determine the required heat transfer rate in the heating section and the required steam temperature in the humidification section when the steam pressure is 1 MPa. Heating fluid Steam, P-1 MPa Throttle Atmospheric O4 In air T, -5°C Pi - 100 kPa T3 -25°C 0,= 90° To= 24°C P,- 100 kPa V ,- 60 m/min 0...
Class work 1 At normal pressure, the meters per second.. find the range of critical distance watcr at a temperature of 20 degrees passes through a smooth surface at a uniform velocity of s Xc value for laminar boundary layer to turbulent boundary layer P-998.2kg/m 100.5x10s Pa s 2. At atmospheric pressure, the air at a temperature of 30 degrees passes through the surface of a smooth plate at the rate of 10m/s.. Re, is 3.2X 10, determine by calculation...
Heat Transfer
Please be neat and organized for a thumbs up!
Problem 3 Atmospheric air at T 300 K and a free stream velocity of u 10 m/s flows over a flat plate L = 2 m long that is maintained at a uniform temperature T-320 K. (a) Calculate the average heat transfer coefficient over the region where the boundary layer is laminar. What is the boundary layer thickness at this location? plate as well as the velocity boundary layer...
Problem 1: Air at 100 degrees Celsius, 1 atm and a
free stream velocity of 5 m/s flows over a 3 meter long, thin, flat
plate of naphthalene, causing it to sublime...
Please answer all parts
Problem 1. (20 Points) Air at 100°C, 1 atm, and a free-stream velocity of 5 m/s flows over a 3- m-long, thin, flat plate of naphthalene, causing it to sublime. (a) Determine the length over which a laminar boundary layer persists. (b) For that...
1. [20 pts] An indraft wind tunnel pulls air into an inlet, through a contraction, the test section, and the diffuser, as shown below. The test section has a circular cross section and it has a diameter of 0.5 m. Assume the wind tunnel is at sea level and the temperature and pressure of the atmosphere are given by standard atmospheric conditions. (a) If the test section is designed to have a velocity of 200 m/s, determine the Mach number,...
q5
Atmospheric air at25hows over a fiat plate at a velocity of o ms The ter p The flat plate, ofm width and Qomm thickness is maintained at a uniform surface temperatureo Use the following thermophysical properties of the plate k = 5.2 w/rm.K; Cp = 320 J/kE- ρ = 2300 kg/m2. Determine the required power generation q (W/m2) at a distance of 700mm from the leading edge of the plate.
Problem No-3: Air at 20 c(p-1.21kg/mH-38x107 kg.m/s) and with a free stream velocity o 40 m/s flows past a smooth thin plate which is 3-m wide and 10-m long in the flow direction. turbulent boundary layer from the leading edge determine: (a) the boundary layer thickness 6 m from the leading edge (b) the drag coefficient and drag force exerted by the fluid on the thin plate Take density 1.2 kg/m3 and kinematic viscosity as 1.49 x 10-s m'/s: (12p)...
Air at atmospheric pressure and temperature of 56 5 C flows with velocity of 0915 m/sec along a flat plate which is kept at a uniform temperature of 121.C Determine the local heat transfe coefficient hx) at a distance of 0.61 meter from the leading edge of the plate and the t transfer coefficient h. over the length of 0to061m peer feet of plate width Air at average temperature has Pr 062, 00313 W/m. C and u 0.22310 m/se
4.) Air flows adiabatically through a duct. At point (1) the velocity is 200 m/s with a temperature of 310 K and pressure of 180 kPa. Compute a.) T., b.) Pol, c.) po, d.) Ma, e.) Vmax, f.) V*. At point (2) further downstream the velocity is 270 m/s and pressure is 125 kPa, g.) what is the stagnation pressure P.2?
Problem 2 (30 pts): For the air-conditioning system shown below in which atmospheric air is first heated and then humidified with a steam spray, determine the required heat transfer rate in the heating section and the required steam temperature in the humidification section when the steam pressure is 1 MPa. Heating fluid Steam, P-1 MPa Throttle Atmospheric O4 In air T, -5°C Pi - 100 kPa T3 -25°C 0,= 90° To= 24°C P,- 100 kPa V ,- 60 m/min 0...
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