Lecture Objectives: Discuss HW3 Learn about Heat recovery

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Presentation transcript:

Lecture Objectives: Discuss HW3 Learn about Heat recovery Desiccant systems

Swimming pool energy and mass balance

Dehumidification using outside air in winter Condenser in the air stream Evaporator Compressor of the heat pump Condenser in the swimming pool

Heat recovery

Rotary heat exchangers

Sensible and Enthalpy wheels

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Desiccant System

Reading assignment Desiccant systems http://www.ce.utexas.edu/prof/Novoselac/classes/CE397b/Handouts/1-s2.0-S1364032109001737-main.pdf

Desiccant wheel

Variation in Cycles Much more in the paper I gave you (Technical development of rotary desiccant dehumidification and air conditioning)

Desiccant wheel Figure 3 – A desiccant-based cooling system combined with regenerative heat exchanger, vapor compression cooling, and evaporative humidifier (hybrid system).