The _______ is the time required for one complete wave oscillation to occur.
2 answers:
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Answer:
a. Mass flow rate through the boiler = 5.462lbm/s
b. Power produced by the turbine = 2525.8kW
c. The rate of heat supply in the boiler = 6901.42Btu/s
d. Thermal efficiency of the cycle = 34.3%
Explanation:
In order to provide a solution, we must assume that ;
- The system is operating at a steady condition
- Kinetic and potential energy changes are negligible
Now from steam tables, we calculate specific volume and enthalpy
as,
(
at
)
(
at
)
( at &
)
( &
when pressure is 2psia)
Therefore,
To calculate the mass flow rate of steam in the cycle, we use the formula
where
The power output and the rate of heat addition are calculated thus,
The thermal efficiency of the cycle can be found thus;
= 34.3%