Vapor Liquid Equilibrium Explorer

Bubble and dew points, activity coefficients, flash calculations and phase diagrams for 44 components. Every number is computed from a pure physics core and traceable to its model, parameters and literature source.

Preset Component A Component B Model Diagram Pressure (Txy, xy) Pa Temperature (Pxy) K overlay Raoult (ideal)

Flash at T, P

Temperature K Pressure Pa Feed x_A Optional component C Feed x_C

Flash sweep: vapor fraction vs temperature

Pressure Pa T from K to K

Activity coefficients at composition, T

x_A T K

Heat of vaporization

Component T K

All curves are computed on the server from the pure physics core. Every number you see is traceable to a model, parameters and a literature source — use the API's /api/components/<id> endpoint to inspect them.