An Optical Approach For The Observation Of Nuclear Fuel Failure Phenomenon In A Water Environment

S. Saito; H. Kawamura; M. Ogawa; T. Fujishiro; Y. Emori; K. Sumita

doi:10.1117/12.957685

27 July 1979 An Optical Approach For The Observation Of Nuclear Fuel Failure Phenomenon In A Water Environment

S. Saito, H. Kawamura, M. Ogawa, T. Fujishiro, Y. Emori, K. Sumita

Proceedings Volume 0189, 13th Intl Congress on High Speed Photography and Photonics; (1979) https://doi.org/10.1117/12.957685
Event: 13th International Congress on High Speed Photography and Photonics, 1978, Tokyo, Japan

Abstract

A great effort has been made to develop an experimental apparatus by optical method to observe phenomena of nuclear fuel failure in a water environment in actual in-reactor experiments. There are many difficulties to be overcome, such as high radiation fluence, limited space, shock pressure generation, fission products release. It was extracted through irradiation tests of glasses, fibers and films that non-browning glass used periscope should be recommended as, an image guide, and light is hardly guided effectively from outside source into a capsule by optical fibers or a periscope. On the other hand, ex-reactor simulation tests were successfully carried out to record photographically the transient behaviour on the surface of a heated rod by a high speed camera through a periscope with a lamp immersed directly into water in a capsule. Based on the results of these tests, an experimental apparatus for in-reactor tests was designed to observe transient behaviour of a fuel rod including fuel failure and subsequent phenomena.

Citation Download Citation

S. Saito, H. Kawamura, M. Ogawa, T. Fujishiro, Y. Emori, and K. Sumita "An Optical Approach For The Observation Of Nuclear Fuel Failure Phenomenon In A Water Environment", Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); https://doi.org/10.1117/12.957685

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