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The compressor and turbine of a simple gas power cycle each have isentropic efficiencies of 90%. The compressor pressure ratio is 12. The minimum and maximum temperatures are 300K and 1400K, respectively. (Note: the isentropic efficiencies refer to efficiencies of the compressor and turbine)
On the basis of an air-standard analysis, determine the following:
The net work per unit mass of air flowing, in kJ/kg;
The heat rejected per unit mass of air flowing, in kJ/kg; and
The thermal efficiency;
if the density of air is 1.2 kgm3 at the inlet and 1.05 kgm3 at the exit determine the percent increase in the velocity
We are considering a water drive gas reservoir where the bulk volume invaded by water at pf (3325 psia) is 47.3 mm ft^3. the following data are also available: Wp=25,600 STB, Pi=3600psia, Swi=.27, Bgf=.0057 ft^3/scf, Porosity=.19, Gp=1.735 mmm scf, P..
a house has a winter heating requirement of 30 kjs and a summer cooling requirement of 60 kjs. consider a heat-pump
A plastic was stretched initially from 30 mm to 35 mm and then released at room temperature. The length changes with time were obtained as the following. Assume the Voigt model can be applied for this mechanical behavior.
a polymer component that needs to maintain a stress level above 10 mpa for proper functioning of an assembly is
you have a desuperheater that has a steady-flow is an adiabatic mixing process that mixes superheated water vapor with
refrigerant 22 vapor enters the compressor of a refrigeration system at an absolute pressure of 20 lbfin.2. a pressure
a rigid well insulated container contains 10 kg of water. a motor connected to a paddle wheel is used to stir the water
Module FEA - FINITE ELEMENT ANALYSIS , Provide answers to all questions. Note that assignment part 2 carries 60% of the marks for the course.
the air supply to an engine is measured by being taken directly from the atmosphere into a large reservoir through a
refrigerant 134a undergoes a constant pressure process from saturated vapor at -18.8degc to a final temperature of
for the following descriptions please write the appropriate form of the heat conduction equation a a cylindrical rod
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