Enthalpy of Air Calculator
Enthalpy, a key thermodynamic property, is crucial for understanding the energy content of air. The enthalpy of air varies with temperature, pressure, and humidity. Below is a table summarizing the enthalpy values of dry air and moist air, covering different conditions:
Enthalpy of Air
| Condition | Temperature (°C) | Relative Humidity (%) | Enthalpy of Dry Air (kJ/kg) | Enthalpy of Moist Air (kJ/kg) | Notes |
|---|---|---|---|---|---|
| Dry Air | -30 | 0 | 91.83 | 91.83 | Based on specific heat capacity of dry air. |
| 0 | 0 | 100.00 | 100.00 | ||
| 20 | 0 | 83.33 | 83.33 | ||
| 40 | 0 | 104.40 | 104.40 | ||
| 100 | 0 | 267.50 | 267.50 | ||
| Moist Air | 0 | 100 | 100.00 | 250.17 | Enthalpy increases due to latent heat. |
| 20 | 50 | 83.33 | 85.00 | Moisture content affects enthalpy. | |
| 20 | 100 | 83.33 | 85.20 | ||
| 40 | 30 | 104.40 | 108.50 | ||
| 40 | 100 | 104.40 | 124.30 | ||
| Saturated Air | 0 | 100 | 100.00 | 250.17 | Maximum moisture content at saturation. |
| 20 | 100 | 83.33 | 85.20 | ||
| 40 | 100 | 104.40 | 124.30 | ||
| Heat Capacity | 1.006 | 1.24 | Specific heat capacities (kJ/kg·K) |