Problem # 2 Otto Cycle – Cold Air Standard Analysis An air-standard Otto cycle has a compression ratio of 8.5. At the beginning of compression, P, = 100 kPa and T, = 300 K. The heat addition per unit mass of the air is 1400 kJ/kg. Solve the problem on a cold air- standard basis with specific heats evaluated at 300 K. Determine the network, in kJ per kg of air. 805.2 kJ/kg] [b] the thermal efficiency of the cycle. 57.5%] [a] [n =

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Thermodynamics 2
Problem # 2 Otto Cycle – Cold Air Standard Analysis
An air-standard Otto cycle has a compression ratio
of 8.5. At the beginning of compression, P, = 100 kPa
and T, = 300 K. The heat addition per unit mass of the
air is 1400 kJ/kg. Solve the problem on a cold air-
standard basis with specific heats evaluated at 300 K.
Determine
[WN°
the network, in kJ per kg of air.
805.2 kJ/kg]
the thermal efficiency of the cycle.
[a]
[n =
[b]
57.5%]
Transcribed Image Text:Problem # 2 Otto Cycle – Cold Air Standard Analysis An air-standard Otto cycle has a compression ratio of 8.5. At the beginning of compression, P, = 100 kPa and T, = 300 K. The heat addition per unit mass of the air is 1400 kJ/kg. Solve the problem on a cold air- standard basis with specific heats evaluated at 300 K. Determine [WN° the network, in kJ per kg of air. 805.2 kJ/kg] the thermal efficiency of the cycle. [a] [n = [b] 57.5%]
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