WinSim DESIGN II v16.24: Process Simulation Software

DESIGN II v16.24 is WinSim Inc.’s steady-state process simulator for chemical and hydrocarbon processes. With over 2,000 active users worldwide, it serves the refining, petrochemical, gas processing, and pipeline industries .

Key Features

Extensive Component & Thermodynamic Libraries

• 60+ thermodynamic methods and 1,200+ pure component database

• 38 pre-characterized world crudes with ASTM D-86/D-1160/TBP distillation curve support

• ChemTran module: Regress and predict thermophysical properties for custom components

Unit Operations & Column Modeling

• Rigorous distillation columns: tray-by-tray hydraulics, tower sizing, and mixed amine rate-based absorbers

• Refinery distillation: integrated side strippers and pumparound calculations

• Heat exchanger rating: single-phase, two-phase, air-cooled, and plate-fin exchangers

• Reactor models: CSTR, plug flow, equilibrium (Gibbs), hydrotreater, and synthesis reactors

Core Simulation Capabilities

• Gas processing: NGL/LNG plants, CO₂ hydrate prediction, amine treating (MEA, DEA, MDEA blends)

• Pipeline applications: line sizing, two-phase flow, slug flow analysis, hydrate prediction

• Flowsheet size: up to 9,999 units and streams with 1,000 components per simulation

• Advanced features: inline FORTRAN, flowsheet optimization, case studies, and Visual Basic/C++ interface for custom integration

User Experience

• Graphical point-and-click interface with instant usability—no special training required

• Microsoft Office integration: export results to Excel and paste into other Windows applications

• Complete PFD creation: draw flowsheet, specify conditions, execute simulation, examine results