Enthalpy entropy
Reference data y engineering information about enthalpy entropy para thermodynamics applications.
enthalpyentropyCalculadoraTabla de datos
Overview
Enthalpy () and entropy () are fundamental thermodynamic properties used to analyze energy transfer and process efficiency.
Key Formulas
Enthalpy
Total heat content of a system.
Entropy
Measure of irreversibility.
Gibbs Free Energy
Maximum non-expansion work.
Helmholtz Free Energy
Maximum work at constant volume.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Enthalpy | J | |
| Internal energy | J | |
| Pressure | Pa | |
| Volume | m³ | |
| Entropy | J/K | |
| Gibbs free energy | J | |
| Temperature | K |
Reference Data
18 filas
Temperature(°C) | Pressure(MPa) | Enthalpy (h)(kJ/kg) | Entropy (s)(kJ/(kg·K)) | Phase |
|---|---|---|---|---|
| 100 | 0.1013 | 2676.1 | 7.3549 | Saturated vapor |
| 150 | 0.4762 | 2746.6 | 6.8372 | Saturated vapor |
| 200 | 1.5549 | 2793.2 | 6.4323 | Saturated vapor |
| 250 | 3.9762 | 2803.2 | 6.0747 | Saturated vapor |
| 300 | 8.5879 | 2751 | 5.7078 | Saturated vapor |
| 350 | 16.529 | 2567.6 | 5.2158 | Saturated vapor |
| 374 | 22.064 | 2099.3 | 4.4298 | Critical point |
| 200 | 0.1 | 2875.3 | 7.8343 | Superheated |
| 300 | 0.1 | 3074.5 | 8.2158 | Superheated |
| 200 | 1 | 2827.9 | 6.694 | Superheated |
| 300 | 1 | 3051.2 | 7.1229 | Superheated |
| 400 | 1 | 3264.5 | 7.4651 | Superheated |
| 300 | 5 | 2924.5 | 6.2084 | Superheated |
| 400 | 5 | 3195.7 | 6.6459 | Superheated |
| 500 | 5 | 3433.8 | 6.9759 | Superheated |
| 400 | 10 | 3097.5 | 6.2141 | Superheated |
| 500 | 10 | 3375.1 | 6.5995 | Superheated |
| 600 | 10 | 3625.8 | 6.9029 | Superheated |
Fuente: engineeringtoolbox.com