Module package KOAX

Design of coiled double-pipe heat exchangers / coaxial tube heat exchangers (KOAX)

Within the COIL module package (coil type heat exchangers), the KOAX module package can be purchased as an additional option for the thermal and hydraulic design of a coiled double-pipe heat exchanger, in accordance with the calculation regulations of the VDI Heat Atlas.

Fundamentals

The calculations are based on the calculation regulations shown in the VDI Heat Atlas.

• G3: Heat transfer in flow through coils
• L1.2: Pressure drop in flow through coils

The media are single-phase (liquid or gaseous) or condensing pure substances (pure substance condensation, isothermal condensation). Flow direction can be countercurrent or co-current. The properties of the media used are provided by LV properties modules and calculated for the mean temperatures and pressures.

see also:

• Coil type heat exchanger(tube coil in a forced-flow vessel) for gaseous and liquid media (COIL)
• Air coolers/ Tube register heat exchangers with plain or finned tubes (AC) (AC)

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