Japan · Tokai · 36.473, 140.566 (approximate location)

JRR-3M

JRR-3M, a research reactor (pool) in Tokai, Japan, with 20 MW of thermal power, operated by Tokai Nuclear Science Research Institute. Operating, first critical in 1990.

By thermal power it ranks third among the 9 research reactors operating in Japan. It went critical 33 years after the first research reactor in Japan, JRR-1 (1957). It is one of 48 pool-type reactors operating worldwide, spread across 28 countries. Its declared uses include isotope production, neutron scattering, neutron radiography and silicon doping.

Country

Japan

City

Tokai

Type

Pool

Thermal power

20 MW

Operator

Tokai Nuclear Science Research Institute

Status

Operating

First criticality

1990

Purpose

Isotope production, neutron scattering, neutron radiography, silicon doping, transmutation, activation analysis, geochronology, materials testing

See also: every research reactor in Japan · How research reactors work