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Develop a program that determines the entropy production inside a heat exchanger having two inlets and two outlets, when the mass flow rates, temperatures, and fluid properties of both of the flow stream fluids are known.
Assume the fluids do not mix inside the heat exchanger, and allow either flow stream to be an incompressible liquid or a constant specific heat ideal gas at the user's discretion.
Input all the variables with proper units. Allow the choice of working in either Engineering English or SI units.
A completely saturated clay sample is loaded in a cell test by a vertical stress of 80 kPa. Due to this load the cell pressure is found to increase by 20 kPa. If the soil were perfectly elastic, what would then be the increment of the pore pressur..
The 3-hp induction machine given in Table 6.10-1 is operating at no load. The sequence of the applied voltages is suddenly reversed. Assume the electrical system establishes steady-state operation before the speed of the rotor has changed apprecia..
Evaluate the coef?cient of thermal expansion, α, for rubber under an extension of 100% at 20?C. A rubber band was stretched from 6 to 12 ins. While being held under a constant stress, it was heated from 20?C to 40?C.
Determine the engineering strains, e, and the true strains, ε, for each of the following:
torsion lab using aluminum cylinderical specimens1 how would a hollow cylindrical specimen of the same lenght and mass
from fundamentals of engineering thermodynamics book 9.85 for the turbojet in problem 9.84 plot the velocity at the
A heat pump uses refrigerant-134a as the working fluid in an ideal vapour-compression refrigeration cycle between 0.14 and 0.8 MPa. The refrigerant leaves the compressor at a temperature of 40° C. Determine the pressure, temperature and enthalpy a..
a steel rod with a diameter of 2 cm length l25cm thermal conductivity of 50 wmk is exposed to ambient air at 20c. heat
A 2-in-diameter stream of water having a velocity of 40 ft/s strikes the edge of a flat plate such that half the stream is deflected downward as shown in Fig. 16.16. Calculate the force on the plate and the moment due to the force at point A.
Determine the mass fux of air flowing through the nozzle if the receiver exits to the atmosphere. (a) Use equations and (b) use the appropriate table.
a person puts a few apples into a freezer a 15 degrees c below zero. initially the apples were at a uniform temperature
an ideal diesel cycle with a compression ratio of 17 and a cut off ratio of 2 has a temperature of 105 fahrenheit and a
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