A steady-state, steady flow thermodynamic system receives 100 lb/min
of a fluid at 30 psia and 200oF and discharges it from a point 80 ft above
the entrance section at 150 psia and 6000F. The fluid enters with a
velocity of 7200 fpm and leaves with a velocity of 2400 fpm. During this
process, there are supplied 25,000 Btu/hr of heat from an external
source, and the increase in enthalpy is 2.0 Btu/lb. Determine the work
done in horsepower.

Question

A steady-state, steady flow thermodynamic system receives 100 lb/min 
of a fluid at 30 psia and 200oF and discharges it from a point 80 ft above 
the entrance section at 150 psia and 6000F. The fluid enters with a 
velocity of 7200 fpm and leaves with a velocity of 2400 fpm. During this 
process, there are supplied 25,000 Btu/hr of heat from an external 
source, and the increase in enthalpy is 2.0 Btu/lb. Determine the work 
done in horsepower.

Astro · Answer

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