Heat Transfer

Double Pipe Heat Exchanger

This web application does the thermal and hydraulic design of double pipe heat exchangers and estimate number of Hairpin required.

Data

Inner Pipe

Pipe Size (inch)

Schedule / Thickness

Material

Outer Pipe

Pipe Size (inch)

Schedule / Thickness

Hot Fluid

Flowrate (W)

lb/h

Inlet Temperature

° F

Outlet Temperature

° F

Fouling Factor

h.ft².°F/BTU

Properties

Density (ρ)

lb/ft³

Viscosity (μ)

Specific Heat (Ch)

BTU/lb.°F

Conductivity (k)

BTU/lb.°F

Viscosity @ Wall(μ_w)

Cold Fluid

Properties

Density (ρ)

lb/ft³

Viscosity (μ)

Specific Heat (Cw)

BTU/lb.°F

Conductivity (k)

BTU/lb.°F

Viscosity @ Wall(μ_w)

Result

Total Pressure Drop

Reference

Calculation - Hot Fluid

Calculation - Cold Fluid