University of Maryland
Center for Environmental Energy Engineering
Center for Environmental Energy Engineering
Cooling, Heating and Power (CHP)

ABOUT CHP

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TECHNOLOGY

CHP System #1

CHP System #2

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To Chesapeake & Meyers Building

 

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CHP System #1

CHP System #1 consists of two natural gas engine driven air-conditioning units, to provide cooling, which are integrated with a liquid desiccant unit that provides dry air to the building.

Engine-Driven Generator

The generator uses an automotive-derivative reciprocating engine to produce 75 kW of power that is fed to the building electric system.  Heat is recovered from the jacket cooling water and exhaust gas for use in regenerating the desiccant.  When the desiccant unit is not being used, heat is discharged to atmosphere through a radiator.

Liquid Desiccant Unit

This system uses a concentrated lithium chloride solution to dehumidify and cool outdoor air for building ventilation.  Heat from the engine is used to regenerate (or re-concentrate) the solution after it has absorbed moisture from the ventilation air being delivered to the building.

 

 

 

     
University of Maryland | Center for Environmental Energy Engineering | College Park, MD 20742 | Copyright 2005 Dept. of Mechanical Engineering | 301.405.5439