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Building Thermal Modelling

To fully understand the thermal performance of a building, and its environmental impact, it is essential that detailed computer generated thermal models are undertaken.

Through thermal modelling we can assist Clients, Architects and the design team in understanding how design decisions influence energy consumption, carbon emissions, thermal comfort, daylight and other building performance metrics.

Planning applications often require Clients to demonstrate to Local Authorities how the proposed building addresses their Sustainability and Low Carbon Agenda and meet Building Regulations, this can be achieved through thermal modelling.

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Steady State and Dynamic Simulation Modelling (DSM)

Flatt Consulting undertake Steady State and Dynamic Thermal Modelling depending on the building complexity.

We can accurately simulate the thermal performance of a building taking due account of the building design, climate and use. Building facades can be optimised and plant accurately sized to create efficient and comfortable buildings to live and work in.

Dynamic Thermal and Simulation Modelling allows us to investigate:

  • Building geometry including and layouts
  • Building fabric performance
  • Façade design
  • Thermal comfort
  • Overheating and solar shading
  • Natural ventilation, airflow and temperature
  • HVAC services installations – sizing and operation strategies
  • Artificial and daylighting design
  • Passive design strategies
  • Renewable energy systems
  • Energy consumption and carbon emissions
  • Occupancy profiles and building use
  • Building Regulation and Energy Compliance (Part L, EPC, BREEAM etc)

Computational Fluid Dynamics (CFD)

In complex buildings and spaces e.g. passive buildings, data centres, atriums, it is essential to obtain a more detailed understanding of the internal environment.

Using CFD modelling we can design and specify systems to meet the onerous requirements of these spaces as follows:

  • Internal airflow simulations to assess natural and mechanical ventilation systems effectiveness
  • Effectiveness of passive thermal stores, exposed slabs, night cooling strategies
  • Detailed assessments of thermal comfort at varying locations though a space
  • Air borne contaminant dispersal studies
  • Data Centre room cooling strategies to avoid hot spots, size plant, heat dispersal from racks
  • Displacement ventilation strategies