McMaster Nuclear Reactor
| McMaster Nuclear Reactor | |
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Reactor building in 2013.
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 Location of McMaster Nuclear Reactor
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| Country | Canada |
| Location | Hamilton, Ontario |
| Coordinates | 43°15′48″N 79°55′8″W / 43.26333°N 79.91889°WCoordinates: 43°15′48″N 79°55′8″W / 43.26333°N 79.91889°W |
| Status | Operational |
| Construction began | 1957 |
| Commission date | 1959 |
| Owner(s) | McMaster University |
| Operator(s) | McMaster University |
| Nuclear power station | |
| Reactor type | pool-type reactor |
| Power generation | |
| Units operational | 5 MW |
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Website http://mnr.mcmaster.ca/ |
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The McMaster Nuclear Reactor (MNR) is a 5MWth pool-type reactor located on the campus of McMaster University, in Hamilton, Ontario, Canada.
MNR began operating in April 1959, as the first university based research reactor in the Commonwealth of Nations, and remains the highest-flux reactor in a university environment in Canada to this day. The reactor consists of two connected pools; the core can be located and operated in either one. This allows the core to be moved away from experimental apparatus for maintenance. MNR is an example of a reactor where the core is visible while the reactor is operating. The core itself appears to be glowing blue when looked at from the surface, as a result of the Cherenkov radiation.
MNR is the only research reactor in Canada with a full containment structure. The reactor is fuelled with low-enrichment uranium and cooled and moderated with light water. Heat is transported to the atmosphere through the secondary coolant system via two cooling towers adjacent to the reactor building.
The reactor is used for a variety of purposes: undergraduate education involves NAA (Neutron Activation Analysis), reactor physics experiments and radioisotopes for tracers and counting experiments. Graduate studies use neutron beams for neutron radiography, neutron diffraction, prompt gamma NAA and geochronological techniques. Commercial activities include radioisotope production and neutron radiography. The facilities also include a Hot Cell and high-activity cobalt source and high level radioisotope laboratories. Researchers using MNR are based at McMaster as well as other universities in Canada and around the world.
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