Humidity Ratio Psychrometric Chart
| Property | Symbol | Temperature dependent? | Direct measure of moisture mass? | Use case | |----------|--------|------------------------|--------------------------------|-----------| | Humidity ratio | W | No (for fixed P) | Yes | Mass balances, drying, latent load | | Relative humidity | φ | Yes | No | Comfort, microbial growth | | Dew point temp. | T_dp | N/A (indirect) | Indirect (unique with W) | Avoiding condensation | | Wet-bulb temp. | T_wb | Yes | No | Evaporative cooling, enthalpy |
The humidity ratio is a critical parameter in various applications: humidity ratio psychrometric chart
