Until recently, due to the high costs and several accessibility barriers of traditional providers, CFD software was expensive to use and lacked flexibility. With CFD simulation, designers can virtually test an indoor space and compare different HVAC system configurations, identifying design flaws and improvement potential. HVAC Design Testing and Optimization: Case Study Ramboll In determining the best HVAC design configuration and complying with such a thermal comfort standard, computational fluid dynamics (CFD) makes the difference in most cases. While the first two cannot be influenced by engineers, the rest can-by identifying the optimal air conditioning, ventilation, and heating system as well as its best possible placement. ASHRAE 55, for instance, includes a series of personal and environmental factors-metabolic rate, clothing insulation, air temperature, radiant temperature, air velocity, and relative humidity. ![]() Add to this the need to comply with energy efficiency standards and you get a real challenge for HVAC designers and mechanical engineers.įor commercial and residential buildings, ASHRAE 55 and EN 15251 distinguish themselves as the primary thermal comfort standards, providing a minimum set of requirements for a building design to ensure comfortable thermal conditions. From schools, factories, and offices to shopping centers and residential buildings, thermal comfort is an important topic for both occupants and engineers in charge of building these constructions.
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