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1. An incompressible, two-dimensional flow has the following stream function: Ψ = A·rn·sin(nθ) where n and A are constants Prove that a velocity potential exists, then find an expression for the velocity potential. Also, determine the units of A and n.
2. A temperature probe is inserted into glycerin at 20°C flowing at 1 cm/s. Approximating the probe as a 5 mm sphere, determine: a. The drag force on the sphere b. The location of the separation point c. The coefficient of drag if the velocity is 2.4 m/s
3. Derive the boundary layer equation for laminar axisymmetric flow along the outside of a cylinder.
4. Consider natural convection from a horizontal heated surface. Use Buckingham Pi Theorem to determine which dimensionless number you would used to investigate this phenomenon.
A steam turbine operating at steady state produces 6,000 hp with a heat transfer to the surroundings at a rate of 360,000 Btu/hr. Steam enters at 600 0F, at 200 psi and exits as a saturated vapor at 8 psi. Neglecting the KE and PE determine the volum..
two carnot engines operate in a series. engine 2 uses the waste heat from engine 1. engine 1 receives 200kj at a
three particles are sliding along a flat frictionless surface ma 0.4 kg mb 0.5 kg and mc 0.4 kg. before any
stainless stell ball bearings desity 8085 kgm3 and cp 0.480 kjkgc having a diameter of 1.2 cm are to be quenched in
The convection coefficient is determined. The following experimental arrangement uses the procedure to determine the convection coefficient for gas flow normal to a surface.
a 100-kg copper block initially at 110degc is dropped into an insulated tank that contains 150 kg of water at 15degc.
Given three masses connected together with a mass less rigid-link, where should you place the single mass if you want to replace these masses with it?
a worldwide shortage of nickel has made inconel unavailable for steam generator tube manufacturing. describe the
Describe the basics of the Carnot cycle of thermodynamics and it’s application to heat engines such as Diesel Engines and Gas Turbines. Describe the hot and cold sources in these prime movers
consider the following wind turbine with a constant speed generator connected to the rotor via a conventional
an industrial process requires an atmosphere having a rh of 88.4 at 22 degree c and involves a flow rate of 2000 m3h.
design a turbojet engine to flight at an altitude of 10000m. the pressure ratio across the compressor is 3. the
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