Plate heat exchanger glossary
Key terms on sizing and operation, briefly explained.
- Convective heat transfer coefficient (alpha)
- Counterflow principle
- DN connection (nominal bore)
- Fouling factor (fouling resistance)
- Gasket material
- Heat duty (thermal power)
- Log Mean Temperature Difference (LMTD)
- Material number (EN material designation)
- Nominal pressure (PN)
- NTU (Number of Transfer Units)
- Number of plates
- Overall heat transfer coefficient (k)
- Parallel flow (co-current flow)
- Pasteurisation
- Plate corrugation (plate geometry)
- Pressure drop
- Temperature spread (delta T)
- Volumetric flow rate