1999
DOI: 10.1016/s0969-8043(99)00095-0
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Recent developments in radioactive tracers methodology

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Cited by 13 publications
(13 citation statements)
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“…The good agreement between both curves could still be improved by optimising the energy thresholds. As a key feature, this agreement indicates that the deconvolution of two consecutive experimental signals should avoid any possible photonic effects as it has been already shown for other systems (Blet et al, 1999a). This result has to be experimentally verified for any studied medium but as far as we can assume that the photonic interactions are linear-in the systems theory sense-it should make sense.…”
Section: Photonic Interactionssupporting
confidence: 79%
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“…The good agreement between both curves could still be improved by optimising the energy thresholds. As a key feature, this agreement indicates that the deconvolution of two consecutive experimental signals should avoid any possible photonic effects as it has been already shown for other systems (Blet et al, 1999a). This result has to be experimentally verified for any studied medium but as far as we can assume that the photonic interactions are linear-in the systems theory sense-it should make sense.…”
Section: Photonic Interactionssupporting
confidence: 79%
“…In the right-hand side of Figure 8, we have superimposed the compartmental model for hot and cold gas streams and the computed mass velocity field. This computation has been performed by CFD calculation and is described elsewhere (Blet et al, 1999a). Qualitative agreement between these representations is quite remarkable, probably due to the quite flat velocity profiles.…”
Section: Industrial Scalementioning
confidence: 93%
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“…Nevertheless, more attention must be paid to the protocol for tracer injection, and especially to the modeling of the tracer response so that one can arrive from the count rate measured by the detectors to the proper description of the mixing cup tracer concentration which is needed for RTD evaluation. An excellent review of the state of the art was recently provided by Blet et al (1999). In addition to the impulse response technique, described in this paper with regard to the bubble column example, encapsulated radioactive sources are used for gamma densitometry.…”
Section: Troubleshooting Via Tracersmentioning
confidence: 99%
“…The local tracer experiments inside the studied reactor can be used to validate the model through optimisation at the different nodes. The recent developments in radiotracer technology (Blet et al, 1998) and the use of novel tracers (Muhr, Leclerc and David, 1999) permit to obtain much more information in this regard. The use of well-known elementary "bricks" permits us to work directly in the Laplace domain where we know that the convolution product is transformed into a simple product of the functions:…”
Section: Simulation Of Complex Compartment Modelsmentioning
confidence: 99%