Building Energy Modelling (BEM) using Dynamic Thermal Modelling (DTM) software is a sophisticated process that simulates and analyses the energy performance of a building throughout its lifecycle. It involves the use of advanced software to model how various aspects of a building, such as its materials, mechanical systems, and occupant behaviour, affect its energy consumption and thermal performance under real-world conditions. This type of modelling helps engineers, architects, and building owners make informed decisions about design, energy efficiency, and sustainability.

Key Components

1. Thermal and Energy Simulation:

Dynamic thermal modelling simulates the real-time behaviour of a building in response to external and internal factors, such as temperature, solar radiation, occupancy, and equipment loads. It takes into account changes in the environment over time, allowing for a more accurate prediction of energy performance than static models.

2. Building Envelope Modelling:

The software models the performance of the building’s envelope (walls, roofs, windows, doors) in terms of heat transfer, solar gain, and insulation properties. This analysis is critical to determining how well a building resists heat loss in winter or minimises heat gain in summer.

3. HVAC Systems Performance:

HVAC (Heating, Ventilation, and Air Conditioning) systems are modelled to assess their efficiency in maintaining thermal comfort within the building. Dynamic modelling allows for a detailed analysis of heating, cooling, and ventilation loads throughout the year, taking into account variations in weather, occupancy, and equipment use.

4. Energy Consumption Estimation:

The model provides a detailed breakdown of energy consumption for heating, cooling, lighting, and equipment usage. By simulating how the building will perform under different operational conditions, it helps predict annual energy use and identify opportunities for improving energy efficiency.

5. Thermal Comfort and Indoor Environment:

Dynamic thermal modelling can simulate the thermal comfort levels experienced by occupants throughout the year. It considers factors such as air temperature, humidity, and airflow, helping designers balance energy efficiency with occupant comfort.

6. Renewable Energy Integration:

BEM using DTM software can simulate the integration of renewable energy systems, such as solar panels, wind turbines, and geothermal systems. This helps in determining the feasibility and potential energy savings of using renewable energy sources.

Benefits of Using Dynamic Thermal Modelling

1. Accurate Energy Predictions:

Unlike simplified models, dynamic thermal modelling provides a highly accurate prediction of how a building’s energy performance will change with varying conditions over time (e.g., weather, occupancy, seasonal changes).

2. Optimised Design for Energy Efficiency:

The model helps designers optimise building orientation, materials, insulation, and HVAC systems to achieve maximum energy savings. It allows for simulation of different design alternatives to determine the most efficient solution.

3. Regulatory Compliance and Certifications:

Dynamic thermal modelling helps buildings meet energy efficiency standards, such as BREEAM and other local or international building codes. It is also used to generate energy performance certificates (EPCs) and support green building certification efforts.

4. Cost and Energy Savings:

By identifying inefficiencies in the design phase, dynamic modelling reduces the risk of over-sizing mechanical systems or underperforming insulation. It provides insights into the potential energy savings of various strategies, reducing operational costs in the long term.

5. Sustainability:

Modelling helps architects and engineers design buildings that have a lower environmental impact by reducing energy use and carbon emissions, contributing to sustainability goals.

Our Thoughts

Building Energy Modelling using Dynamic Thermal Modelling software is a critical tool in modern architecture and engineering. It allows designers to create energy-efficient, comfortable, and environmentally friendly buildings by simulating their real-world performance. With dynamic thermal modelling, stakeholders can make informed decisions about materials, HVAC systems, renewable energy integration, and compliance with energy standards, ultimately optimising building performance and sustainability.

Dynamic Thermal Modelling is at the core of what we do at kyoob.  Please get in touch to discuss further.