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New Sensors for In-Pile Temperature Measurement at the Advanced Test Reactor National Scientific User Facility

J. L. Rempe, D. L. Knudson, J. E. Daw, K. G. Condie, S. Curtis Wilkins

Nuclear Technology / Volume 175 / Number 3 / September 2011 / Pages 681-691

Technical Paper / NURETH-13 Special / Radiation Measurements and Instrumentation /

The U.S. Department of Energy designated the Advanced Test Reactor (ATR) a National Scientific User Facility (NSUF) in April 2007 to support U.S. research in nuclear science and technology. As a user facility, the ATR is supporting new users from universities, laboratories, and industry, as they conduct basic and applied nuclear research and development to advance the nation's energy security needs. A key component of the ATR NSUF effort is to develop and evaluate new in-pile instrumentation techniques that are capable of providing measurements of key parameters during irradiation. This paper describes the strategy for determining what instrumentation is needed and the program for developing new or enhanced sensors that can address these needs. Accomplishments from this program are illustrated by describing new sensors now available and under development for in-pile measurement of temperature at various irradiation locations in the ATR.

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