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Numerical models for assessing the performance of heat pumps with maldistribution effects in plate heat exchanger evaporators

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posted on 2019-06-20, 14:08 authored by Roberta Mancini, Benjamin Zühlsdorf, Brian ElmegaardBrian Elmegaard
The work presents numerical models for design of heat pumps with pure and mixed working fluids including a detailed characterization of plate heat exchanger (PHE) evaporators and condensers. The models are suitable for assessing the impact of heat exchanger operation on the heat pump performance, as well as estimating the impact of liquid/vapour maldistribution and effect of end plates on both PHE evaporator and heat pump performances.

The models are implemented in MATLAB 2017b. Python and CoolProp (or REFPROP) are required for fluid properties calculations. An extensive description of the system requirements is reported in the model documentation


Funding

This research project is financially funded by The Danish Council for Strategic Research in Sustainable Energy and Environment, under the project title: “THERMCYC – Advanced thermodynamic cycles utilizing low-temperature heat sources”

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    Keywords

    plate heat exchangerliquid/vapour maldistributioneffect of end platespressure dropeconomic analysiszeotropic mixturesEnergy Generation, Conversion and Storage EngineeringMechanical Engineering

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    MIT

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