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.
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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...
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 is flowing over a long flat plate with a velocity of 3 m/s. The density...
Air is flowing over a long flat plate with a velocity of 3 m/s. The density is 1.127 kg/mº, and the dynamic viscosity is 1.918-10-kg/m s. The hydrodynamic boundary layer thickness at a distance 0.3 m from the leading edge is: 0 6.41 mm 52,883 mm 5.85 mm 3.22 mm None of the above
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 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 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...
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.
Air at 25 °C and 1 atm is flowing over a long flat plate with a...
Air at 25 °C and 1 atm is flowing over a long flat plate with a velocity of 8 m/s. (a) Determine the distance from the leading edge of the plate where the flow becomes turbulent. (b) What will be the boundary layer thickness at the end of the plate? (c) If the plate is a 2m by 2 m square, what will be the friction drag acting on the plate? Schematic Given ssumptions Find v=8m/s xcr ,FD ,δ@x=L L-2m...
Air with a dynamic viscosity of 18.1 x 10 N m/s, a density of 1.2 kg/m'...
Air with a dynamic viscosity of 18.1 x 10 N m/s, a density of 1.2 kg/m' and a free stream velocity of 20 m/s flows over a 0.8 m long by 0.3 m wide flat plate. 20 m/s -0.5 m - -0.8 m a. Find the type of flow on flat plate based on Reynolds number b. Find the boundary layer thickness at distance of 0.5 m from the leading edge c. Find the wall shear stress at a horizontal...
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,...
Water at 10 degrees Celsius and a velocity of 2.5 m/s is flowing along a 4.5 m long flat plate at a uniform temperature of 40 degrees Celsius. If the plate is 1.5 m wide, determine: a) the distance fr...
Water at 10 degrees Celsius and a velocity of 2.5 m/s is flowing along a 4.5 m long flat plate at a uniform temperature of 40 degrees Celsius. If the plate is 1.5 m wide, determine: a) the distance from the leading edge of the plate where the flow becomes turbulent, b) the heat transfer rate between the plate and the flowing water, c) the fraction of the force exerted by the water on the first half of the plate...
summatize the following info and break them into differeng key points. write them in yojr own...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
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 is flowing over a long flat plate with a velocity of 3 m/s. The density is 1.127 kg/mº, and the dynamic viscosity is 1.918-10-kg/m s. The hydrodynamic boundary layer thickness at a distance 0.3 m from the leading edge is: 0 6.41 mm 52,883 mm 5.85 mm 3.22 mm None of the above
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 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...
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.
Air at 25 °C and 1 atm is flowing over a long flat plate with a velocity of 8 m/s. (a) Determine the distance from the leading edge of the plate where the flow becomes turbulent. (b) What will be the boundary layer thickness at the end of the plate? (c) If the plate is a 2m by 2 m square, what will be the friction drag acting on the plate? Schematic Given ssumptions Find v=8m/s xcr ,FD ,δ@x=L L-2m...
Air with a dynamic viscosity of 18.1 x 10 N m/s, a density of 1.2 kg/m' and a free stream velocity of 20 m/s flows over a 0.8 m long by 0.3 m wide flat plate. 20 m/s -0.5 m - -0.8 m a. Find the type of flow on flat plate based on Reynolds number b. Find the boundary layer thickness at distance of 0.5 m from the leading edge c. Find the wall shear stress at a horizontal...
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,...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
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