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TRIGA is a swimming pool reactor that can be installed without a containment building, and is designed for research and testing use by scientific institutions and universities for purposes such as undergraduate and graduate education, private commercial research, non-destructive testing and isotope production.
Uranium zirconium hydride (UZrH, U-ZrH x), a dispersion of metallic uranium in a δ-ZrH 1.6 matrix, is used as the fuel in TRIGA reactors. [1] UZrH fuel is used in most research reactors at universities and has a large, prompt negative fuel temperature coefficient of reactivity, meaning that as the temperature of the core increases, the reactivity rapidly decreases.
TRIGA fuel is used in TRIGA (Training, Research, Isotopes, General Atomics) reactors. The TRIGA reactor uses UZrH fuel, which has a prompt negative fuel temperature coefficient of reactivity, meaning that as the temperature of the core increases, the reactivity decreases—so it is highly unlikely for a meltdown to occur. Most cores that use ...
The Oregon State TRIGA Reactor (OSTR) is a TRIGA Mk. II research reactor, developed by General Atomics, with a maximum licensed thermal output of 1.1 MW, and it can be pulsed up to a power of 3000 MW for a very short time. [2] The fuel is high-assay, low-enriched uranium in the form of uranium zirconium hydride (UZrH) with an erbium burnable ...
This reactor was part of the first line of TRIGA reactors but has a number of features that distinguishes it from the other dozens of TRIGA reactors in use today. It is a 1 megawatt pool-type reactor. It is designed for optimal irradiation of samples and is used to produce a number of radioisotopes for medical and industry applications. [3]
Later, the 2% enriched metal uranium fuel and 80% enriched UO 2 fuel were obtained and used in the reactor core. Modifications of the reactor control, safety and dosimetry systems (1960, 1976, 1988) converted the RB critical assembly to a flexible heavy water reflected experimental reactor with 1 W nominal power, operable up to 50 W.
The proposed project would require a 1 million-square-foot nuclear fuel cycle facility to be built. The land would be acquired in three phases over six years at a total cost of nearly $27 million ...
Due to the extensive work, cost, and the number of research reactors undergoing the procedure, the WSUR was not converted until October 2008. All FLIP fuel was replaced by another TRIGA fuel known as 30/20 LEU and when the new core went critical on October 7, 2008 it became the world's only mixed 8.5/20 (Standard TRIGA) and 30/20 LEU core. [4]