1. Work and Heat are Path Functions. bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial conditions P1 %3D 10 bar and tı = 400°C steam is heated to t2 =...

Intro to Thermodynamics question

1.<br>Work and Heat are Path Functions.<br>bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial<br>conditions P1<br>%3D<br>10 bar and tı = 400°C steam is heated to t2 =<br>550°C under constant pressure conditions.<br>%3D<br>Step 2 - 3: Under constant volume conditions, the pressure is decreased to P3 = 8 bar. The steam does not<br>behave as an ideal gas. Steam properties are summarized below:<br>D (m³/kg)<br>Ū (kJ/kg).<br>Ĥ (kJ/kg)<br>State<br>P(bar)<br>t(°C)<br>3264.4<br>2957.8<br>1<br>10<br>400<br>0.3066<br>3588.1<br>2<br>0.3777<br>3210.4<br>10<br>550<br>3244.3<br>0.3777<br>2942.1<br>389<br>Calculate Q123 = Q12+ Q23 in (kJ/kg)<br>a.<br>b. Calculate W123 = W12+ W23 in (kJ/kg)<br>Useful conversion 100 kJ/m³ ·bar<br>

Extracted text: 1. Work and Heat are Path Functions. bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial conditions P1 %3D 10 bar and tı = 400°C steam is heated to t2 = 550°C under constant pressure conditions. %3D Step 2 - 3: Under constant volume conditions, the pressure is decreased to P3 = 8 bar. The steam does not behave as an ideal gas. Steam properties are summarized below: D (m³/kg) Ū (kJ/kg). Ĥ (kJ/kg) State P(bar) t(°C) 3264.4 2957.8 1 10 400 0.3066 3588.1 2 0.3777 3210.4 10 550 3244.3 0.3777 2942.1 389 Calculate Q123 = Q12+ Q23 in (kJ/kg) a. b. Calculate W123 = W12+ W23 in (kJ/kg) Useful conversion 100 kJ/m³ ·bar

Jun 08, 2022

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1. Work and Heat are Path Functions. bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial conditions P1 %3D 10 bar and tı = 400°C steam is heated to t2 =...

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