In HVAC bestimmt die Kontaktflaeche den Waermestrom zwischen Luft, Wasser, Kaeltemittel und Metall.

Kernformel

Q = h x A x ΔT
Round duct: A = πDL
Rectangular duct: A = 2(W + H)L

Praxisbeispiel

Example: D = 0.30 m, L = 12 m. A = π x 0.30 x 12 = 11.31 m2.

Verwandte Ressourcen

Use Cylinder Calculator, Pipe Calculator, and pipe insulation guide.