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Chapter 12

Chapter 12. Ideal Gas Mixture and Psychrometric Applications. Cooling Towers, 2000MW coal-fired Cottam Power Station, Nottinghamshire. Photo courtesy of FreeFoto.com. Mixture Composition. Describing mixture composition. For Gases:. Dalton’s Model. Amagat’s Model.

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Chapter 12

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  1. Chapter 12 Ideal Gas Mixture and Psychrometric Applications Cooling Towers, 2000MW coal-fired Cottam Power Station, Nottinghamshire. Photo courtesy of FreeFoto.com

  2. Mixture Composition Describing mixture composition For Gases: Dalton’s Model Amagat’s Model

  3. Ideal Gas Properties for Mixtures Evaluated at the mixture temperature Evaluated at the mixture temperature, and appropriate partial pressure, pi

  4. Mixture Analysis (non-reacting)

  5. Ideal Gas Cases For Ideal Gases using Tables A-22, A-23: Assuming Constant Specific Heats:

  6. Psychrometric Principles Dry air + Water vapor = Moist Air Humidity Ratio Relative Humidity

  7. Psychrometric Properties Mixture Enthalpy Water Vapor Enthalpy Water Vapor Entropy Dew Point Temperature Sling Psychrometer picture courtesy of USA Today

  8. Psychrometric Charts

  9. Relative Humidity f Mixture Enthalpy Wet Bulb Temp. Humidity Ratio w ASHRAE “Comfort Zone” HUMID HOT COLD DRY Dry Bulb Temp.

  10. Dehumidification

  11. Humidification

  12. Evaporative Cooling

  13. Adiabatic Mixing

  14. Cooling Towers

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