Proper sizing of refrigerant lines is crucial for efficient operation of HVAC systems. It involves considerations such as refrigerant type, load calculations, and line diameter.
Pressure Drop Calculation:
ΔP = f * (L / D) * (ρ * V^2 / 2)
Where:
Refrigerant Line Sizing:
D = √( (4 * Q * ρ * V) / (π * ΔP) )
Where:
Example 1: Refrigerant Line Sizing
Given:
D = √( (4 * Q * ρ * V) / (π * ΔP) )
D = √( (4 * 0.5 * 5 * 5) / (π * 100) )
D ≈ 0.399 m
Therefore, the recommended diameter of the refrigerant line is approximately 0.399 meters.
