Purdue Subcritical Pile (PSP)
Purdue Subcritical Pile (PSP), a research reactor (subcritical assembly) in West Lafayette, IN, United States, operated by Purdue Univ., School of Nuclear Engineering. Operating.
It is one of the 48 research reactors operating in the United States, one of 5 zero-power assemblies among them. It is one of 20 subcritical assemblies operating worldwide, spread across 13 countries.
- Country
- United States
- City
- West Lafayette, IN
- Type
- Subcritical assembly
- Thermal power
- critical
- Operator
- Purdue Univ., School of Nuclear Engineering
- Status
- Operating
- First criticality
- —
See also: every research reactor in United States · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026