Practical Advantages

The many reasons CFD is being widely used today are as follows:

CFD predicts performance before modifying or installing the systems:
Without modifying and/or installing actual systems or prototype, CFD can predict what design change is most crucial to enhance performance.

CFD provides exact and detailed information about HVAC design parameters:
The advances in HVAC/IAQ technology require broader and more detailed information about the flow within an occupied zone, and the CFD technique meets this goal better than any other method, i.e., theoretical or experimental methods.

CFD saves cost and time:
CFD costs much less than experiments because physical modifications are not necessary. (Note that the cost and time for physical changes/modifications increase almost exponentially as the size of the system increases).

CFD is reliable:
Most importantly, the numerical schemes and methods upon which CFD is based are improving rapidly so that reliability on the results produced by CFD is high. Increased reliability makes CFD a dependable tool in any design and analysis purpose.


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