Possible combinations at a glance

The program considers multi-pass bundles and shells. Tube pitch and arrangement are freely selectable. A variety of tube geometries is included: Plain tubes, circular, spiral and rectangular fins, lamellas, internal fins, twisted tube inserts, corrugated tubes. Shells may be round or rectangular. Free input of properties is possible.

More options:
Calculation of condensation processes (complete or partial) around the tubes and in the tubes.
Calculation of evaporation processes of pure substances (complete or partial) in the tubes
Calculation of cooling of air or flue gas with condensing humidity

Module Standard
Construction types
Plain tubes inside/outside X
Circular finned tubes (external) X
Spiral fins with ripples (external) X
Rectangular finned tubes / fin plate (external) X
Tube register X
Rectangular multi-pass shell X
Round tubes / Oval tubes L1.4 X
U-tube / Straight tube X
Single phase heat transfer X
Condensation of humidity from inert gases X
Condensation of pure substances (complete or partial) X
Pure substance evaporation (complete or partial), in the tubes X
Steady-state temperature distribution ZELL X
Internal longitudinal or spiral fins INLR X
Tubes with twisted tape inserts TWIS X
Round multi-pass shell L1.5 X
simple and cross-corrugated tubes DRLL X
Calculation of natural convection ACK X
Pool heat exchanger (free convection / no circulation) F2.1 X
Hot air recirculation PLRE X
Power consumption of the fan VENT X
Transient calculation ZELL Trans X
Physical properties
Ammonia (evaporation / condensation) NH3 X
® Antifrogens N, L, KF and SOL GLYC X
Free input of properties S-DAT X
Hydrogen / nitrogen mixture (cooling gas) H2N2 X
Air (dry / humid*) LUFT X
12 typical machine oils OEL X
Flue gas / process gas RGAS X
saturated steam H2O X
120 Thermal oils T-OIL X
Water and steam H2O X
Refrigerants FRIG X
Humid gases, partial condensation HX X
Carbon dioxide CO2 X
Natural gas L, H and any composition,
Biogas (dry / humid*)
Nitrogen (dry / humid*) N2 X
N2 O2 H2 CO CO2 H2O SO2 SO3 – Mixtures of any composition Gasmix X
Helium He X
Properties of pure substances and mixtures
(requires program PROPER)
Seawater Sawa X
User-supplied properties tables S-TAB X
Tube sheet pattern as DXF X
Customer documentation KUDO X
LV Scenario Manager in EXCEL X
Acceptance documents for air coolers according to VDI 2049 2049 X
English Documentation X

*) steam condensation

Price Standard Package: on request

By overlapping various modules within the ATLAS program system, the following combinations can be offered at favourable package prices:

Module packages WTS and VERD Package price: on request
Module packages WTS and AC Package price: on request
Module packages WTS and GV stand-alone Package price: on request

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