(A)
Interpretation:
The operating temperature of the condenser and the efficiency of the Carnot cycle.
Concept Introduction:
The expression to obtain the Carnot efficiency is,
Here, temperature of a low-temperature and high temperature heat reservoir is
(B)
Interpretation:
The actual efficiency of this Rankine cycle and compare it to the Carnot efficiency.
Concept Introduction:
The expression to obtain the general expression for an entropy balance equation is,
Here, time is t, mass of the system is M, specific entropy of the system is
The specific entropy of an outlet for a reversible process is,
Here, mole fraction of the system for reversible process is
The energy balance for an adiabatic steady state turbine is,
Here, specific enthalpy at inlet and outlet is
The expression to obtain the pump work is,
Here, specific volume is
The simplification equation of energy balance around whole engine is,
Here, rate of heat exchange with low temperature reservoir is
The expression of efficiency of heat engine is,
Here, net work done on turbine and pump is
(C)
Interpretation:
What effect do you expect this action had?
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Chapter 5 Solutions
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