Graetz number

Input(s)

DH: Diameter in Round Tubes or Hydraulic Diameter in Arbitrary Cross-section Ducts (m)

L: Length (m)

Re: Reynold Number (dimensionless)

Pr: Prandtl Number (dimensionless)

Output(s)

Gz: Graetz Number (dimensionless)

Formula(s)

Reference(s)

Wikipedia.org.