Explain, using sketches, the viscous flow past a long circular cylinder, with the flow direction being perpendicular to the longitudinal axis of the cylinder. Include in the explanation: boundary layer, wake, Reynolds number, drag and separation.
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- Derive the equation that connects the pressure difference to the average velocity for a fluid to flow in a stratified flow regime between two plates with lengths L and distances b.A block in the following figure is pulled up with a Force 20 +S Nt. The weight of the block is 10 Nt. The area of the contact surface between the block and fluid is 10 cm2. a)find the velocity of the block if the fluid is an ideal fluid b)find the velocity of the block if dynamic viscosity of the Fluid between the block and inclined surface in the figure is 0.2 Nt.s/m2. (S=4)Calibrate greenshield model using the data given in the table and find the maximum flow and the density corresponding to 30 km/h. Speed (km/h) density (veh/km) 5 171 15 129 40 20 25 70
- FLUID MECHANICS. SOLVE ASAP Compute the kinematic viscosity of a 60 ft long model of ship when the prototype ship length is 500 ft and is travelling with a speed of 20mile per hour in an ocean whose viscosity is 1.2 cP and specific weight is 64 lb/ft3. Keeping in mind to satisfy the condition that both the Reynolds number and the Froude number should be same.Water flows through a pipe 25 mm in diameter at a velocity of 6 m/s. Determine whether the flow will be laminar or turbulent assuming that the dynamic viscosity of water is taken as1.30 × 10−3 kg/ms and its mass density as 1000 kg/m3. If oil of specific gravity 0.9 and dynamic viscosity 9.6 × 10−2 kg/ms is pumped through the same pipe, what type of flow will occur?Water with a velocity of 4.13 m/s flows through a 119 mm diameter pipe. Solve for the volume flow rate in m3/s. Express your answer in 3 decimal places.
- 1. A liquid having a Reynolds Number of 1900 flows thru a 200 mm diameter pipe, 150 m long. The head loss of the pipe due to friction is 22 m. Compute the rate of flow in liters/sec. a. 129.857 b. 291.785 c. 192.587 d. 219.875Calculate in SI units the average flow velocity v in 1 and 3Determine whether the flow is turbulent or laminar if a fluid flows at 0.001?^3/? through a 100mm diameter pipe.
- Q2: if we have three fluids with different properties as listed below: - {fluid 1: has weight, which is greater than water 7.5 times}. {fluid 2: has the specific volume equal to 0.1} {fluid 3: has uniform distribution velocity through the section of flow}. Now answer the following: For fluid 1, find the weight density and mass density. Determine the types of fluid 2 and 3.Water circulates at 20 °C (p = 1000 kg/m3) in the form of *Y* of the following figure. The flow rate (inflow) in section 1 is 5300 N/s, and the speed in section 3 is 5 m/s. Calculate: a) the speed in section 1, b) the flow Mass in Section 3, c) the speed in section 3Fluid Mechanics Question An empirical equation for the velocity distribution in a horizontal, rectangular, open channel is given by u= umax(y/d)n where u is the velocity at a distance y feet above the floor of the channel. If the depth of flow is 1.2m, umax=3m/s, and n=1/6, what is the discharge in cubic meters per second per meter of width of the channel? What is the mean velocity?