Question

Calculate the irreversibility for the condenser in earlier problem, assuming an ambient temperature of 17C17^{\circ} \mathrm{C}.

Solution

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Answered 1 year ago
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What we have is C.V. Condenser. Steady state with no shaft work term. As usual, we're writing energy and entropy equations.

Energy Equation:\textbf{Energy Equation:}

m˙hi+Q˙=m˙he\dot{m} \cdot h_i + \dot{Q} = \dot{m} \cdot h_e

Entropy Equation:\textbf{Entropy Equation:}

m˙si+Q˙T+S˙gen=m˙se\dot{m} \cdot s_i + \frac{\dot{Q}}{T} + \dot{S}_{gen} = \dot{m} \cdot s_e

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