Solve this multiple-choice question and choose the correct option.

Home » Mechanical Engineering » Thermodynamics

Thermal efficiency comparison: Stirling cycle versus Carnot cycle State how the efficiency of the (reversible, regenerator-based) Stirling cycle compares with a Carnot cycle operating between the same temperature limits. Choose the correct relationship.

Difficulty: Easy

Less than Carnot cycle
Equal to Carnot cycle
Greater than Carnot cycle
Independent of temperature limits

Correct Answer: Equal to Carnot cycle

Explanation:

ConceptA Stirling cycle with perfect regeneration is a reversible cycle. All reversible heat engines operating between the same two thermal reservoirs have the same efficiency—namely that of the Carnot cycle: η = 1 − T_c/T_h.

ConclusionThus, the efficiency of an ideal Stirling cycle equals the Carnot efficiency for the same temperature limits.

Thermal efficiency comparison: Stirling cycle versus Carnot cycle State how the efficiency of the (reversible, regenerator-based) Stirling cycle compares with a Carnot cycle operating between the same temperature limits. Choose the correct relationship.

More Questions from Thermodynamics

Discussion & Comments