•Computational Fluid Dynamics (CFD) simulation

•Computational Fluid Dynamics (CFD) simulation

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What is CFD simulation?

CFD is the science of predicting fluid flow, heat transfer, chemical reactions, and related phenomena by utilizing applied mathematics, physic and computational softwares. CFD simulation effectively provides a visual on how fluid flows and interact with objects taking into account factors such as velocity, pressure, temperature and density of fluid in motion.

Application on Architecture and building science

Aerodynamics -CFD takes wind speed and prevailing wind directions experienced during different time frames to ensure structural integrity under high wind load o enable engineers and architects to provide a comfortable and safe environment

•Building Ventilation – In urban areas, the prevailing winds are unavoidably modified due to the increasing number of closely placed high-rise building that significantly alter the natural ventilation behaviour. CFD simulation aids in the design of effective ventilation systems to optimize the efficiency of natural & mechanical  ventilation by identifying inefficiency where cold or hot air is being wasted or mixed. The simulation takes advantages of both wind and buoyancy in order to drive fresh air through a building. CFD simulation predicts airflow and heat transfer to effectively create a comfortable, healthy and energy efficient space.

•Thermal analysis -Analyse Envelope (EETV) and/or Roof (RTTV) Thermal transmittance (U-value) to determine heat gain or loss from buildings to optimize configuration composite walls, roof and floor.

Benefits of CFD simulation

•Cost-effective method and widely employed technique to enable architects to make responsible design decisions

•Ability to simulate multiple scenarios without a physical setup 

•Precise and detailed information on velocity, pressure, temperature and density of fluid in motion.

•Predict and forecast performance before implementation or execution

•Examine effectiveness and efficiency of HVAC systems and indoor air quality (IAQ)

• Develop passive(natural) heating/cooling/ventilation strategies

• Cost efficiency derived as a result of design efficiency 

 

 

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