WILEY 5.73 PLUS Oxygen and methane are mixed at 200 kPa absolute pressure and 100°C. The velocity of the gases into the mixer is 5 m/s. The density of the gas leaving the mixer is 1.9 kg/m³. Determine the exit velocity of the gas mixture. 3 CH4 A = 1 cm? ノンシ) A = 3 cm? A = 3 cm? O2 PROBLEM 5.73

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**Problem 5.73**

Oxygen and methane are mixed at 200 kPa absolute pressure and 100°C. The velocity of the gases into the mixer is 5 m/s. The density of the gas leaving the mixer is 1.9 kg/m³. Determine the exit velocity of the gas mixture.

**Diagram Explanation:**

The diagram shows a mixer with two inlets and one outlet:

- **Methane (CH₄) Inlet:** 
  - Cross-sectional area \( A = 1 \, \text{cm}^2 \).
  
- **Oxygen (O₂) Inlet:**
  - Cross-sectional area \( A = 3 \, \text{cm}^2 \).

- **Mixer Section:**
  - Central section where the gases mix.

- **Outlet:**
  - Cross-sectional area \( A = 3 \, \text{cm}^2 \).
  - The exit velocity is to be determined.

The flow direction of the gases is indicated by arrows, showing methane and oxygen entering the mixer and the gas mixture exiting.
Transcribed Image Text:**Problem 5.73** Oxygen and methane are mixed at 200 kPa absolute pressure and 100°C. The velocity of the gases into the mixer is 5 m/s. The density of the gas leaving the mixer is 1.9 kg/m³. Determine the exit velocity of the gas mixture. **Diagram Explanation:** The diagram shows a mixer with two inlets and one outlet: - **Methane (CH₄) Inlet:** - Cross-sectional area \( A = 1 \, \text{cm}^2 \). - **Oxygen (O₂) Inlet:** - Cross-sectional area \( A = 3 \, \text{cm}^2 \). - **Mixer Section:** - Central section where the gases mix. - **Outlet:** - Cross-sectional area \( A = 3 \, \text{cm}^2 \). - The exit velocity is to be determined. The flow direction of the gases is indicated by arrows, showing methane and oxygen entering the mixer and the gas mixture exiting.
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