Engineering, 10.04.2020 02:49, Tirone

Air contained in a rigid, insulated tank fitted with a paddle wheel, initially at 4 bar, 40oC and a volume of 0.2 m3, is stirred until its temperature is 353oC. Assuming the ideal gas model with γ=1.4 for the air. Ignore kinetic and potential energy. Determine: (a) (10%) the final pressure, in bar; (b) (15%) the work, in kJ; (c) (15%) the amount of entropy produced, in kJ/K.

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Air contained in a rigid, insulated tank fitted with a paddle wheel, initially at 4 bar, 40oC and a...