Interactive Thermodynamic T–v and P–v Explorer — v2

A linked water/steam learning tool with one shared state model, improved compressed-liquid behavior, phase classification, process drawing, and approximate h, s, u and quality x for every state.
Conceptual water model • improved consistency
T–v diagram
Temperature vs. specific volume
compressed liquid two-phase superheated vapor
P–v diagram
Pressure vs. specific volume
compressed liquid two-phase superheated vapor
Process-state property table
h, s and u are approximate educational values, but each row is generated from the same linked T–P–v state.
#T (°C)P (MPa)v (m³/kg) Regionxh (kJ/kg)s (kJ/kg·K)u (kJ/kg)
Model note: The phase boundary uses an embedded approximate water saturation dataset. Superheated vapor uses one consistent ideal-gas-style relation for both directions, while compressed liquid uses a stiff-liquid equation with a pressure-dependent volume correction. Thermodynamic properties are teaching estimates, not IAPWS-IF97 design values.