The transient fuel behavior during a rapid heating was successfully recorded in color by a new optical system in the in-reactor experiment. Clearly were observed state of red hot fuel rod, coolant boiling, cracking of the cladding, quenching and so on in the motion pictures taken by the system. The details of transient boiling and various fuel failure modes under a rapid heating of a fuel rod became clear.

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Infrared thermal cameras and data processing system have been applied for the R & D of FJR 710 aero-engine. This paper reports surface temperature measurements and data analyses of a film cooled adiabatic vana model, actual turbine vanes in unsteady conditions, and a wing model and an intake lip during FJR engine outdoor test.

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