Adaptive Hybrid Ventilation Model for Reducing Building Cooling Energy and Carbon Emissions
DOI:
https://doi.org/10.51903/eqw0xf03Keywords:
Adaptive Hybrid Ventilation, Energy Efficiency, Carbon Emission, Tropical Buildings, Buildings SimulationAbstract
Rapidly increasing cooling energy consumption has caused an increase in carbon emissions. It is thus necessary to develop a ventilation system that is adaptive and efficient to mitigate these impacts. In this work, an Adaptive Hybrid Ventilation system is presented with evaluation of the system in terms of efficiency and carbon emissions reduction. A simulation technique is adopted for analysis of the system using the EnergyPlus software in a medium-rise commercial building simulated for tropical climate condition using weather data from Indonesia. Analysis in the present study considered cooling energy consumption, indoor temperature, mechanical operation time and carbon emission using the value of 0.85 kgCO₂/kWh as emission factor. It was found that adaptive hybrid ventilation system consumes 22.4% less cooling energy and produces 22.5% less carbon emission than conventional systems. In addition, the study demonstrates the importance of an adaptive control method in ensuring better ventilation performance beyond what can be achieved in static mode. Contribution of the study includes the application of adaptive control as a critical component of hybrid ventilation and a simulation approach to evaluate its effect on low carbon buildings in tropical region.
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