9.22 An air-standard dual cycle has a compression ratio of 9. At the beginning of compression, p1 = 100 kPa and T, = 300 K. The heat addition per unit mass of air is 1400 kJ/kg, with one half added at constant volume and one half added at con- stant pressure. Determine (a) the temperatures at the end of each heat addition process, in K. (b) the net work of the cycle per unit mass of air, in kJ/kg. (c) the thermal efficiency. (d) the mean effective pressure, in kPa.

9.22 An air-standard dual cycle has a compression ratio of 9. At the beginning of compression, p1 = 100 kPa and T, = 300 K. The heat addition per unit mass of air is 1400 kJ/kg, with one half added at constant volume and one half added at con- stant pressure. Determine (a) the temperatures at the end of each heat addition process, in K. (b) the net work of the cycle per unit mass of air, in kJ/kg. (c) the thermal efficiency. (d) the mean effective pressure, in kPa.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

9.22 An air-standard dual cycle has a compression ratio of 9.
At the beginning of compression, p = 100 kPa and T, = 300
K. The heat addition per unit mass of air is 1400 kJ/kg, with
one half added at constant volume and one half added at con-
stant pressure. Determine
(a) the temperatures at the end of each heat addition process,
in K.
(b) the net work of the cycle per unit mass of air, in kJ/kg.
(c) the thermal efficiency.
(d) the mean effective pressure, in kPa.

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