Japan · Tokai-mura · 36.473, 140.566 (approximate location)

TCA Tank Critical Assembly

TCA Tank Critical Assembly, a research reactor (critical assembly) in Tokai-mura, Japan, with 200 W of thermal power, operated by Nuclear Science Research Institute. Shut down, first critical in 1962.

It was one of the 27 research reactors Japan has had; 9 remain in operation today. It went critical 5 years after the first research reactor in Japan, JRR-1 (1957). 44 critical assemblies remain in operation today across 12 countries. Its declared uses include teaching and training.

Country

Japan

City

Tokai-mura

Type

Critical assembly

Thermal power

200 W

Operator

Nuclear Science Research Institute

Status

Shut down

First criticality

1962

Purpose

Teaching, training

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