Question

Answer the following questions.

What are the idealizations and simplifications commonly employed in the analysis of power cycles?

Does entropy increase or decrease during a heat addition process, i.e. heat is added to a system?

Does entropy increase or decrease during a heat rejection process, i.e. heat is removed from a system?

Is the Otto cycle modeled as an open or closed system?

What are the processes of a Carnot cycle?

What is the expression of the thermal efficiency of a Carnot cycle? What are the air standard assumptions?

What is the cold air standard assumptions?

Please answer clearly.

Answer 1