Abstract
There are two areas of application of real time neutron radiography at Harwell. In the first area the technique is used to observe dynamic events such as liquid or gas flow in operating systems. Secondly real time imaging is used to inspect objects under examination and to select the best view for subsequent screen film radiography. The dynamic work is illustrated by showing studies of the flow patterns which occur when a preheated stainless steel tube is quenched by water. The results obtained have been used to improve film boiling theories used in reactor safety analysis codes.
The real time inspection work shown is of an archaeological investigation of the contents of a Saxon container from ca. 650. The examples are, presented on video tape as well as in ‘still1’ form in the text below.
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References
D.H.C. Harris & W.A.J. Seymour, Neutron Radiography Facilities, DIDO Reactor, Harwell, England, INR Newslett No. 8, The British Journal of Non-Desructive Testing, Vol. 27, No. 4, July 1985.
S.J. Cocking & D.H.C. Harris, Robust Equipment for Dynamic Neutron Fluoroscopy, GB2, this conference.
G. Costigan & C.D. Wade, Visualisation of the Reflooding of a Vertical Tube by Dynamic Neutron Radiography, International Workshop on Post-Dryout Heat Transfer, Salt Lake City, Utah, April 1984.
G. Costigan, J.C. Ralph & C.D. Wade, Heat Transfer above the Quench Front in Single Tubes, European Two-Phase Flow Group Meeting, Marchwood Engineering Laboratories, June 1985.
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© 1987 ECSC, EEC, EAEC, Brussels and Luxembourg
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Harris, D.H.C., Seymour, W.A.J. (1987). Applications of Real Time Neutron Radiography at Harwell. In: Barton, J.P., Farny, G., Person, JL., Röttger, H. (eds) Neutron Radiography. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3871-7_73
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DOI: https://doi.org/10.1007/978-94-009-3871-7_73
Publisher Name: Springer, Dordrecht
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