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Performance Analysis of a RED-MED Salinity Gradient Heat Engine

2018

A performance analysis of a salinity gradient heat engine (SGP-HE) is presented for the conversion of low temperature heat into power via a closed-loop Reverse Electrodialysis (RED) coupled with Multi-Effect Distillation (MED). Mathematical models for the RED and MED systems have been purposely developed in order to investigate the performance of both processes and have been then coupled to analyze the efficiency of the overall integrated system. The influence of the main operating conditions (i.e., solutions concentration and velocity) has been quantified, looking at the power density and conversion efficiency of the RED unit, MED Specific Thermal Consumption (STC) and at the overall syste…

ExergyThermal efficiencyMaterials scienceControl and Optimization020209 energyThermodynamicsEnergy Engineering and Power Technologysalinity gradient energy; exergy; artificial solutions; modeling; heat engine; RED-HE02 engineering and technology7. Clean energylcsh:TechnologyRED-HEartificial solutionsWaste heatReversed electrodialysis0202 electrical engineering electronic engineering information engineeringExergyElectrical and Electronic EngineeringEngineering (miscellaneous)Heat engineSalinity gradient energylcsh:TRenewable Energy Sustainability and the EnvironmentEnergy conversion efficiencyArtificial solutionModeling6. Clean waterMembraneExergy efficiencyHeat engineEnergy (miscellaneous)Energies; Volume 11; Issue 12; Pages: 3385
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