00520nas a2200121   4500008004100000245011400041210006900155260003200224100001700256700001800273700002000291856008700311       2012                        eng d00aThe Energy Saving Potential of Membrane-Based Enthalpy Recovery in VAV System for Commercial Office Buildings0 aEnergy Saving Potential of MembraneBased Enthalpy Recovery in VA  aMadison, Wisconsinc08/20121 aWang, Liping1 aHaves, Philip1 aBreshears, John  uhttps://simulationresearch.lbl.gov/publications/energy-saving-potential-membrane-001519nas a2200121   4500008003900000245011500039210006900154520103400223100001701257700001801274700002001292856008501312       2012                          d00aThe Energy Saving Potential of Membrane-Based Enthalpy Recovery in Vav Systems for Commercial Office Buildings0 aEnergy Saving Potential of MembraneBased Enthalpy Recovery in Va3 a<p>A design tool to evaluate the heat and mass transfer effectiveness and pressure drop of a membrane-based enthalpy exchanger was developed and then used to optimize the configuration of an enthalpy exchanger for minimum pressure drop and maximum heat recovery effectiveness. Simulation was used in a parametric study to investigate the energy saving potential of the enthalpy recovery system. The case without energy recovery and air side economizer was used as a baseline. Two comparison cases for the implementation of enthalpy recovery with and without air side economizer were simulated in EnergyPlus. A case using a desiccant wheel for energy recovery was also investigated for comparison purposes. The simulation results show significant energy saving benefits from applying a low pressure drop, high effectiveness enthalpy exchanger in two US cities representing a range of humid climates. The sensitivity of the energy savings potential to pressure drop and heat and mass transfer effectivenesses is also presented.</p>1 aWang, Liping1 aHaves, Philip1 aBreshears, John  uhttps://simulationresearch.lbl.gov/publications/energy-saving-potential-membrane