CFD is Critical in HVAC Equipment Design

In HVAC equipment like chillers, boilers, or air handling units (AHUs), every component's performance affects overall efficiency. CFD allows you to optimize key elements:

Heat Exchangers: Model refrigerant flow through evaporator/condenser coils to enhance heat transfer rates.

Fans/Blowers: Analyze impeller design, volute shape, and inlet guide vanes to improve aerodynamic efficiency, reducing power consumption and noise.

Compressors: Simulate gas flow paths in scroll or screw compressors to minimize pressure losses and increase Coefficient of Performance (COP).

HVAC units are complex systems where components interact dynamically. CFD helps you understand and optimize these interactions:

In packaged rooftop units (RTUs), model airflow from intake through filters, cooling coils, and supply fans to reduce pressure drops.

In variable refrigerant flow (VRF) systems, simulate refrigerant distribution in branch controllers to ensure balanced flow to each indoor unit.

For air-to-air energy recovery ventilators (ERVs), analyze cross-flow patterns to maximize heat and moisture transfer while preventing cross-contamination.

Overheating is a primary cause of HVAC equipment failure. CFD is crucial for thermal management:

In compressors, model motor cooling to prevent overheating, extending operational life.

For variable frequency drives (VFDs) in air handlers, simulate heat dissipation from electronic components to design effective heatsinks or plan forced-air cooling.

In outdoor condensing units, analyze airflow around coils and through the compressor compartment to prevent hot air recirculation, especially in tightly spaced installations.

Your customers install HVAC equipment in diverse settings. CFD helps you design products that perform consistently across various conditions:

For split systems, model indoor unit performance under different mounting heights, room sizes, and obstacle configurations.

In water-source heat pumps, simulate the impact of piping layouts on water flow, ensuring adequate performance in high-rise buildings.

For rooftop units, analyze how wind patterns and nearby structures affect condenser airflow, helping you provide installation guidelines that maintain efficiency.