'Humidity ratio' presentation slideshows

Pros and Cons of operating a DOAS EW continuously

Pros and Cons of operating a DOAS EW continuously. ASHRAE June meeting: Montreal, 2011. Stanley A. Mumma, Ph.D., P.E. Prof. Emeritus, Architectural Engineering Penn State University, Univ. Park, PA sam11@psu.edu. Learning Objectives for this Session

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Psychrometry

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Lecture 33

Lecture 33. Psychrometric Properties of Moist Air. Air-Water Vapor Mixtures. Atmospheric air A binary mixture of dry air (a) + water vapor (w) The air in the mixture is treated as a pure substance even though it is really a mixture itself Applications

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Lecture Objectives:

Lecture Objectives:. Finish wit introduction of HVAC Systems Introduce major ES software. Building. Heating/Cooling System. Plant. Integration of HVAC and building physics models. Load System Plant model. Building. Q buiolding. Heating/Cooling System. Q including

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Lecture 35

Lecture 35. Analysis of Air Conditioning Processes. The Five HVAC Processes. Heating With and without humidification Adiabatic humidification Cooling With and without dehumidification Adiabatic mixing of moist air streams Evaporative cooling. Heating Without Humidification.

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Lecture 34

Lecture 34. The Psychrometric Chart Psychrometric Properties in EES Air Conditioning Processes. Moist Air Properties. Using a combination of the ideal gas and real-fluid models along with ideal mixing we have discovered,.

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Equation solvers

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Update on the SEEM Simulation Program Larry Palmiter and Ben Larson August 4, 2008 Ecotope Inc.

Update on the SEEM Simulation Program Larry Palmiter and Ben Larson August 4, 2008 Ecotope Inc. Presented at Regional Technical Forum Portland, Oregon, August 5, 2008. SEEM Background. The SEEM program has been under development since December 2003.

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humidity

humidity. humidity.

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Psychrometry

Psychrometry. Study of air-water mixtures. Psychrometric Chart. Relationships between temperature absolute humidity or humidity ratio W in [grain]=[1 lbm/7,000] or in [lbm water /lbm air ] relative humidity RH

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Lecture 4

Lecture 4. Other factors to consider. Heating & Cooling of the grain Same process as long as the temperature stays above the dewpt. An assumption is made that any change in temperature is assumed to occur with a change in moisture content. Other factors to consider. Wetting & Drying

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Lecture 3

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