2. Determine the boundary layer thickness at a distance of 0.25 m from the edge of...
Water at 15.6 [°C] (with kinematic viscosity of 1.12 [cSt]) flows over a flat plate generatinga boundary layer. The thickness of the boundary layer at 0.50 [m] from the leading edge is 6 [mm] (a) Is the boundary layer laminar or turbulent at that point? (b) At what distance it becomes turbulent? (c) What is the layer thickness at that point? Water at 15.6 [°C] (with kinematic viscosity of 1.12 [cSt]) flows over a flat plate generatinga boundary layer. The...
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.
(b) For a laminar boundary layer on a flat plate the velocity profile uly) is given by 0-30:48) where U is the free stream velocity, y is the distance measured normal to the surface of the plate and is the boundary layer thickness. Determine equations for (i) the momentum thickness , and (8 marks) (ii) the boundary layer thickness d. (7 marks)
Consider a boundary layer growing along a thin flat plate. The boundary layer thickness, d, is a function of the downstream distance x, free-stream velocity V, fluid density ρ, and dynamic viscosity μ. Which of the following answers is NOT the correct dimensionless parameters representing this physical phenomenon? Group of answer choices (ρ*V*d^2)/(μ*x) , d/x x/d , (ρ*V*d)/μ d/x , (ρ*V*x)/μ (ρ*V*d)/μ , (ρ*V*x)/μ d/x , (ρ*V*x)/(μ*d)
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...
Required information Air at 25°C and 1 atm is flowing over a long flat plate with a velocity of 7 m/s. The density and kinematic viscosity of air at 1 atm and 25°C are p= 1.184 kg/m3 and V = 1.562x10-5 m2/s. Calculate the distance from the leading edge of the plate where the flow becomes turbulent. The distance from the leading edge of the plate is m. Required information Air at 25°C and 1 atm is flowing over a...
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...
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
Problem 1: In an experiment, Mercury at film temperature of 127 C flows over a flat plate of length 500 mm and width of 20 mm. Results reveal that the velocity boundary layer thickness at the distance of 5 mm from the leading edge is 0.4 pim, and also th convection heat transfer coefficients in the laminar and turbulent regions (Rex.-2 x 10) take the form of GX İsit where x is measured in meters from the leading edge of...
X Incorrect. The boundary-layer thickness, 5, on a smooth flat plate in an incompressible flow without pressure gradients depends on the freestream speed, U, the fluid density, p, the fluid viscosity, u, and the distance from the leading edge of the plate, x. (a) Express these variables in dimensionless form and (b) calculate dimensionless parameter (proportional to x) with x 0.150 m, p 385 kg/m3, U 0.147 m/s, u 0.2 x 104 N-s/m2. Click here to enter or edit your...