HELIX — Coil Suite

i. Vessel & Process

Inputs · 01

Vessel

Vessel ID in

Coil winding C/Ls derive from this: outermost = Vessel ID − 6″, each next winding 6″ smaller.

Liquid Level % of vessel

Vessel S/S Length in

Process

Mass Flow lb/min

Bath Temperature °F

HP Liquid Inlet °F

Target Outlet °F · optional

Inlet Pressure psia · optional

Flash Margin Check vs. P_sat at inlet T

Enter inlet pressure to verify flash margin.

Selected Coil

Pipe Size

Number of Windings

CLs auto-set from Vessel ID: 41″, 35″

Linear Length ft

Pitch in / turn

Fouling Std.

Advanced

Shell-Side Mode

Min Radial Clearance in

Helical hᵢ Correlation

Sieder-Tate Viscosity Correction

Loading refrigerant-property engine (CoolProp WASM)…

i. Cycle & Vessel

Inputs · 01

Process preset

Preset

Periodic warm-up to vaporize entrained NH₃ and carry compressor oil out of the accumulator to a separator.

Coil-Side Fluid

Pre-filled by the preset above; stays editable.

Vessel

Vessel ID in

Vessel S/S Length in

Liquid Level % of vessel

Selected Coil

Pipe Size

Number of Windings

Linear Length ft

Pitch in / turn

Fouling Std.

Cycle

Coil Inlet Temperature °F

Coil Mass Flow lb/min

Initial Bath Temperature °F

Target Bath Temperature °F

Ambient Temperature °F

Shell-to-Ambient U Btu/hr·ft²·°F

Loading refrigerant-property engine (CoolProp WASM)…

i. Vessel & Tube-Side

Inputs · 01

Vessel

Vessel ID in

Vessel S/S Length in

Liquid Level % of vessel

Bath (NH₃ Pool) Temperature °F

Must be warmer than the tube-side inlet for the intended heat-recovery direction.

Tube-Side (Secondary Fluid)

Tube-Side Fluid

Tube-Side Inlet Temperature °F

Tube-Side Mass Flow lb/min

Target Recovered Duty Btu/hr · optional

Target Outlet Temperature °F · verification

Selected Coil

Pipe Size

Number of Windings

Linear Length ft

Pitch in / turn

Fouling Std.

Loading refrigerant-property engine (CoolProp WASM)…