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1. Determine the specific flow exergy, in Btu/lbmol and Btu/lb, at 440°F, 73.5 lbf/in.2 for (a) nitrogen (N2) and (b) carbon dioxide (CO2), each modeled as an ideal gas, and relative to an exergy reference environment for which T0 5 77°F, p0 5 14.7 lbf/in.2 Ignore the effects of motion and gravity.
2. 7.51 Determine the specific exergy and the specific flow exergy, each in Btu/lb, for steam at 350 lbf/in.2, 700°F, with V 5 120 ft/s and z 5 80 ft. The velocity and elevation are relative to an exergy reference environment for which T0 5 70°F, p0 5 14.7 lbf/in.2, and g 5 32.2 ft/s2.
the inlet velocity pressure and temperature at the compressor for a turbo-jet engine are 275 feet per second 7 psia and
Saturated R- 134a vapor enters a compressor at 68F. At compressor exit, the specific entropy is the same as that at the inlet, and the pressure is 80 psia. Determine the R- 134a exit temperature and the change in the enthalpy of R- 134a.
A tank with a fixed volume contains 1 kg of dry air at 200oC . If 200 kJ of heat is added to the tank determine the final temperature and change in entropy.
show work to prove the following problem an experimentalist claims to have raised the temperature of a small amount of
hydrogen gas is contained in a vertical piston-cylinder device at 14.7 psia and 15 ft3 at this state a linear spring
q1 write a matlab code which must have following inputs and outputsinputs1. an arbitrary geometry matrix2. basis
a power plant is connected to a supply of 150 psia steam at 500 degrees f. the load is constant and requires throttling
the 50-kg crate is now projected down an incline as shown with an initial speed of 7 ms. investigate the time t
The U-235 and U-238 masses in natural uranium are split between enriched and depleted streams as a result of an enrichment process. If the input masses and output enrichments are specified, mass conservation determines the maximum (i.e. zero-loss) qu..
A conditioned space has a latent load of 12,000 Btu/hr and a sensible load of 20,000 Btu/hr. The space is to be maintained at 75 deg F, 40% rh. Determine the required flow rate of air through the chiller in CFM, and the humidity ratio of the supply a..
Air undergoes an isentropic process from P_1 = 100 kPA and T_1 = 300 K to a final state where the temperature is 700 K. Assuming an ideal gas, find P_2 using both the ideal gas tables and assuming a constant specific heat ratio at the average tempera..
Apply the separation of variables method to the Schrodinger equation for the hydrogen atom in spherical coordinates. The solutions for the three ordinary differential equations obtained in step 1 should be found in a Math textbook. Please make sure t..
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