Coefficient of Performance of a vapour-compression cycle given evaporator and condenser temperatures, with Carnot reference.
Formula
$$ COP_{Carnot} = \frac{T_e}{T_c - T_e}, \quad \eta_{II} = \frac{COP}{COP_{Carnot}} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $T_e$ | Evaporator saturation temperature | K | RTD |
| $T_c$ | Condenser saturation temperature | K | RTD |
| $COP$ | Heat removed / work input | - | plant data |
Sources
- ASHRAE Handbook - Refrigeration.