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Consider a 0.25-m-long vertical plate that is at 70°C. The plate is suspended in quiescent air that is at 25°C. Estimate the velocity boundary layer thickness and maximum upward velocity at the trailing edge of the plate. How does the boundary layer thickness compare with the thickness that would exist if the air were flowing over the plate at a free stream velocity of 5 m/s?
If you attach torsion spring to inverted pendulum, is this the equation of motion? The spring is attached on one end to a pivot point and also at the pivot point the spring is attached. I used L/2 for the location of the center of mass.
for a ballistic missile loaded with candy launched with the following conditions burnout altitude 200km burnout
Calculate the strains in these directions, the changes in dimensions, (c) the volumetric strain and (d) the change in volume. Take E = 150 GPa and v = 0.3.
A silicon nitride turbine rotor fractures at a stress level of 265 MPa. Estimate the range flaw sizes that could have been responsible for this failure.
the 2007 bmw z4 coupe 3.0si can accelerate from 0 to 59 mph in 5 s and its maximum speed is 152 mph. assuming the car
Write a MATLAB function called zgemm that computes the generalized matrix multiplication alphaAB + betaC using loops, where A, B, and C are matrices and alpha and beta are scalar values. The input order should be (alpha, A, B, beta, C).
For an adiabatic in viscid flow, write the entropy equation in general coordinate-independent form and in Cartesian coordinates. What does the equation express? Can we say that entropy is constant in an entire such flow (explain your answer)?
the thermal reservoirs for a carnot engine are two constant pressure steam lines one at th 300 c and one at tl of 25
A tank of compressed air is at 40°C and 10 atm. 1 third of the gas is removed for inflating a car tire. The tank is allowed to exchange heat with the surroundings to maintain its temperature at all times. What kind of a process is this? What is the p..
A steam power plant operates on a simple ideal Rankine cycle between the pressure limits of 3 MPa and 50 kPa. The temperature of the steam at the turbine inlet is 300 C and the mass flow rate of steam through the cycle is 35 kg/s. Show the cycle on a..
Five kg of water is in a closed rigid container with a volume of 0.3935 m3 and a pressure of 5.0 MPa. Draw and label the states and process on a P-v diagram and determine the amount of heat removed and work done when the pressure is reduced to 1.5 MP..
An adiabatic vessel contains steam at 180 [C] and 116 [kPa]. The volume is 0.5 [m^3]. Steam at 150 [C] with a quality of 0.85 is fed into the vessel until the flow stops. What are the final pressure and temperature inside the tank? What is its qualit..
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