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 exchanger liquid/vapour maldistribution effect of end plates pressure drop economic analysis zeotropic mixtures Energy Generation, Conversion and Storage Engineering Mechanical Engineering

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MIT

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