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A 1-m-long, 3-m-wide plate is towed at a velocity of 2 m/s in a fluid. Assuming laminar flow, find the boundary-layer thickness δ, displacement thickness δ∗, and momentum thickness θ at the end of the plate. Also calculate the drag force on one side of the plate (μ = 10-3 N s/m2, ρ = 1000 kg/m3).
A pitot probe is used to measure the pressure in a supersonic pipe ?ow (review Solved Problem 9.6). If the pressure in the pipe is 120 kPa absolute, the temperature is 30-C, and the Mach number is 2.0, what pressure is measured by the pitot probe?
I am interesting in seeing the equations to find the strengths of a aluminium 6061 tube at 36in x 3in x 3in with 1/4in wall. This is more of a review for me. Would like to see the equations at work. For an example, say I am building a device that req..
a rigid tank has a volume of 0.06m3 and initially contains a two-phase liquid-vapour mixture of nbsph2o at a pressure
consider a concentric tube heat exchanger with hot and cold water inlet temperature of 200 and 35c respectively. the
Calculate the static thrust of the turbojet engine having mass flow 88lbm/sec the ratio of air and fuel mass flowing into the turbojet is 50:1 and it's exhaust plane the velocity is 1640 ft/sec and pressure is same as ambient pressure?
a plate 50 mm wide and 15 mm thick is loaded in tension. the plate is made from steel with yield strength of 1500 mpa
A desktop computer is to be cooled by a fan whose flow rate is 0.34 m3 /min. Determine the mass flow rate of air through the fan at an elevation on 3400 m, where the air density is 0.7 kg/m3. The diameter of the casing of the fan, if the average velo..
You are designing a remote-area power supply based on a miniature wind turbine that is 20% efficient. Meteorological data indicates an average wind speed of 24 km/h at an air temperature of 10oC and pressure of 0.9 atm. The rotor has a diameter of..
Ten samples of equal size are taken to prepare a p chart. The total number of parts in these ten samples was 900 and the total number of defects counted was 117. Determine the center, LCL and UCL for the p chart.
What is the heat loss per unit length of pipe? Consider the effect of insulating the pipe with a rigid urethane foam (k = 0.026 W/m · K). Evaluate and plot the heat loss as a function of the thickness 8 of the insulation layer for 0 8 50 mm.
calculate the energy of vacancy formation in silver given that the equilibrium number of vacancies at 800 degc 1073k is
An inventor claims to have developed a refrigeration unit with a COP of 8.5 which maintains the refrigerated space at -10oC while operating in a room where the temperature is 25oC.
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