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On the Conflation of Contaminant Prediction within
Whole Building Performance Simulation
byAizaz A Samuel
Indoor Pollutants
Importance:
Health
Productivity
Comfort & Odour
Chemicals released from building materials and furnishings
Outdoor air pollutants
Bacteria, Moulds and Mites
Chemicals from cleaning products
ETS
Radon from soilFumes from paints and solvents
Animal danderand hair
Combustion products
Aerosols, mothballs etc
Asbestos from pipe insulation
Overview of Simulation Strategies
(A) Network Air Flow BasedComputational Fluid Dynamics
(B) Integrated vs Standalone
Buildings and related Energy Systems
Building Systems
PlantControl
Smart Materials
& Renewables
OthersIntra room air movement
Inter room air movement
Fabric conductionElectrical flow
Shading
Longwave radiation exchange
Shortwave radiation
Acoustics
Light flow
Moisture flow Convection
Contaminant flow
Fluid flow
Thermal processes
Electrical flow
Combined heat & power
Phase change materials
Ducted wind turbines
Photovoltaics
ClimateSky model
Construction materials
GlazingOrientation
Terrain
Integrating Contaminant Simulation within Thermally Coupled Network Air Flow
Network Air Flow Thermal & PlantSimulation
Air Flow Information
Contaminant Flow Model
Bsim (thermal, flow, lighting, HVAC etc.)
ComputationalFluid Dynamics
Contaminants Flow Modelling
Integrating Contaminant Simulation within Thermally Coupled Network Air Flow and CFD
Conclusion
Applications: CO2 controlThermally integrated contaminant flow modellingDouble facade modelling using CFD and network mass
flow
Usage: Menu driven GUIExtensive helpExemplar modelsAt least one international project
Training: Workshop at international building simulation conference
Used as training exercise at Postgraduate level
Publications: A number of research papers
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