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A thin flat plate 55 by 110 cm is immersed in a 6-m/s stream of SAE 10 oil at 20 °C Compute the total friction drag...
A thin flat plate 55 by 110 cm is immersed in a 6-m/s stream of SAE...
A thin flat plate 55 by 110 cm is immersed in a 6-m/s stream of SAE 10 oil at 20 °C Compute the total friction drag if the stream is parallel to (a) the long side and (b) the short side. Comment on why you think this is the case.
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.
1. A very smooth flat plate of length L-1 m and width b 3 m is immersed parallel to a stream of velocity 2 m/s. For both air and water as the working fluids [5 marks] Show that the flow is completely...
1. A very smooth flat plate of length L-1 m and width b 3 m is immersed parallel to a stream of velocity 2 m/s. For both air and water as the working fluids [5 marks] Show that the flow is completely laminar over the entire plate. a. b. Determine the drag force on one side of the plate. Determine the thicknesses δ, δ*, and θ at the end of the plate (x L). [6 marks] C. For air use,...
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...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (7 = 10"C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
minimum of 3 significsnt figures please A thin rectangular plate is 6 meters long and 0.8...
minimum of 3 significsnt figures please
A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the...
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
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)...
Question 7 Boundary Layers (8 marks) Air at 20°C flows at 9 m/s past a thin...
Question 7 Boundary Layers (8 marks) Air at 20°C flows at 9 m/s past a thin flat plate whose length is 2 m and width is 1.5 m. Determine the total drag on the plate. (5 marks) a) b) What is the boundary layer thickness at the trailing edge? (3 marks)
A thin flat plate 55 by 110 cm is immersed in a 6-m/s stream of SAE 10 oil at 20 °C Compute the total friction drag if the stream is parallel to (a) the long side and (b) the short side. Comment on why you think this is the case.
1. A very smooth flat plate of length L-1 m and width b 3 m is immersed parallel to a stream of velocity 2 m/s. For both air and water as the working fluids [5 marks] Show that the flow is completely laminar over the entire plate. a. b. Determine the drag force on one side of the plate. Determine the thicknesses δ, δ*, and θ at the end of the plate (x L). [6 marks] C. For air use,...
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...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (7 = 10"C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
minimum of 3 significsnt figures please
A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the...
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
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)...
Question 7 Boundary Layers (8 marks) Air at 20°C flows at 9 m/s past a thin flat plate whose length is 2 m and width is 1.5 m. Determine the total drag on the plate. (5 marks) a) b) What is the boundary layer thickness at the trailing edge? (3 marks)
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