Search results for "HVAC performance"

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A novel thermoeconomic analysis under dynamic operating conditions for space heating and cooling systems

2019

Abstract Thermoeconomic analysis allows for a deep understanding of the cost formation process within an energy system, providing insights into the possible routes for improvement. Several thermoeconomic approaches are well-established for application in systems with steady operating conditions, such as power plants, while a limited number of applications to air-conditioning systems in buildings have been proposed, due to the difficulties in dealing with very irregular load profiles and unsteady plant operating conditions. This study investigates the potential of Thermoeconomics as a support for decision making in building energy systems, proving its capability to identify trade-offs betwee…

Capital investmentComputer science020209 energyThermoeconomics02 engineering and technologySpace (commercial competition)Industrial and Manufacturing Engineering020401 chemical engineering0202 electrical engineering electronic engineering information engineeringSettore ING-IND/10 - Fisica Tecnica Industriale0204 chemical engineeringElectrical and Electronic EngineeringProcess engineeringCivil and Structural Engineeringbusiness.industryMechanical EngineeringProcess (computing)Building energyBuilding and ConstructionPollutionPower (physics)Dynamic simulationGeneral EnergyHVAC performance Buildings Dynamic thermoeconomic analysis Irreversibilities Exergoeconomic costsbusinessEnergy (signal processing)
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Thermoeconomic Analysis Under Dynamic Operating Conditions for Space Heating and Cooling Systems in Small Residential Buildings

2018

Due to the social concern for energy savings and ecological improvement necessity in the performance of buildings, new analysis tools emerged. Thermoeconomics connects the physics and economics of energy conversion processes through the second law of thermodynamics. A limited number of thermoeconomic applications in buildings have been proposed, due to the difficulties in dealing with very irregular energy load profiles and unsteady plant operating conditions, which require the use of dynamic approaches that increase the complexity of the method. The present study highlights the potential of thermoeconomics as a support for decision making, due to the capability to identify trade-offs betwe…

HVAC performance in buildingSettore ING-IND/10 - Fisica Tecnica Industrialedynamic thermoeconomic analysis sources of irreversibilitieexergoeconomic costs
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