03: A closed system executed a reversible cycle 1-2–3-4-5-6–1 consisting of six processes. During processes 1-2 and 3–4 the system receives 1000 kJ and 800 kJ of heat, respectively at constant temperatures of 500 K and 400 K, respectively. Processes 2-3 and 4-5 are adiabatic expansions in which the steam temperature is reduced from 500 K to 400 K and from 400 K to 300 K respectively. During process 5–6 the system rejects heat at a temperature of 300 K. Process 6-1 is an adiabatic compression process. Determine the work done by the system during the cycle and thermal efficiency of the cycle.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q3: A closed system executed a reversible cycle 1-2-3-4-5–6–1 consisting of six
processes. During processes 1-2 and 3–4 the system receives 1000 kJ and 800 kJ of heat,
respectively at constant temperatures of 500 K and 400 K, respectively. Processes 2-3
and 4-5 are adiabatic expansions in which the steam temperature is reduced from 500 K
to 400 K and from 400 K to 300 K respectively. During process 5–6 the system rejects
heat at a temperature of 300 K. Process 6-1 is an adiabatic compression process.
Determine the work done by the system during the cycle and thermal efficiency of the
cycle.
Transcribed Image Text:Q3: A closed system executed a reversible cycle 1-2-3-4-5–6–1 consisting of six processes. During processes 1-2 and 3–4 the system receives 1000 kJ and 800 kJ of heat, respectively at constant temperatures of 500 K and 400 K, respectively. Processes 2-3 and 4-5 are adiabatic expansions in which the steam temperature is reduced from 500 K to 400 K and from 400 K to 300 K respectively. During process 5–6 the system rejects heat at a temperature of 300 K. Process 6-1 is an adiabatic compression process. Determine the work done by the system during the cycle and thermal efficiency of the cycle.
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