United States · Oak Ridge, TN · 35.930, -84.310

TSR-1 Tower Shielding

TSR-1 Tower Shielding, a research reactor (tank) in Oak Ridge, TN, United States, with 500 kW of thermal power, operated by Union Carbide Nuclear Corporation. Decommissioned, first critical in 1954.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 12 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 36 tank-type reactors remain in operation today across 23 countries. Its declared uses include materials testing.

Country

United States

City

Oak Ridge, TN

Type

Tank

Thermal power

500 kW

Operator

Union Carbide Nuclear Corporation

Status

Decommissioned

First criticality

1954

Purpose

Materials testing

See also: every research reactor in United States · How research reactors work