Search Results - "Villard, J. F."

In-Pile Qualification of a Fast-Neutron-Detection-System by Fourmentel, D., Villard, J.-F, Destouches, C., Barbot, L., Geslot, B., Vermeeren, L., Schyns, M.

“…In order to ensure the quality and the relevance of irradiation programs in the future Jules Horowitz Reactor (JHR), the French Alternative Energies and Atomic…”
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Metrological characterization of intense (α, n) neutron sources by coupling of non-destructive measurements by Carrel, F., Makil, H., Lainé, F., Coulon, R., Sari, A., Brondeau, L., Cassette, P., Lépy, M.-C., Pierre, S., Thiam, C., Domergue, C., Villard, J.-F., Vigneron, P., Béroud, G.

“…Metrological non-destructive characterization of intense (α, n) neutron sources (emission rate between 107 and 3×108 s−1 into 4π sr solid angle) is a challenge…”
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Study of the Influence of Heat Sources on the Out-of-Pile Calibration Curve of Calorimetric Cells Used for Nuclear Energy Deposition Quantification by De Vita, Cedric, Brun, J., Reynard-Carette, C., Carette, M., Amharrak, H., Lyoussi, A., Fourmentel, D., Villard, J.-F

“…In the field of nuclear research, the measurement and knowledge of nuclear heating are of crucial importance to carry out accurate studies of the accelerated…”
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Delayed Gamma Measurements in Different Nuclear Research Reactors Bringing Out the Importance of Their Contribution in Gamma Flux Calculations by Fourmentel, D., Radulovic, V., Barbot, L., Villard, J.-F, Zerovnik, G., Snoj, L., Tarchalski, M., Pytel, K., Malouch, F.

“…Neutron and gamma levels are key parameters in nuclear research reactors. In Material Testing Reactors, such as the future Jules Horowitz Reactor, under…”
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Comparison of the Thermal Response of Two Calorimetric Cells Dedicated to Nuclear Heating Measurements During Calibration by Brun, J., Reynard-Carette, C., Lyoussi, A., De Vita, C., Carette, M., Muraglia, M., Fourmentel, D., Guimbal, P., Villard, J.-F

“…Nuclear heating is a key parameter which contributes to the thermal design and the quality of in-pile experiments performed in Material Testing Reactors (MTRs)…”
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Research Activities in Fission Chamber Modeling in Support of the Nuclear Energy Industry by Jammes, C, Filliatre, P, Geslot, B, Oriol, L, Berhouet, F, Villard, J.-F, Vermeeren, L

“…Fission chambers are widely used in the nuclear industry. As an example, they play a major role in the control of any fission reactor and are thus regarded as…”
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MONACO v2: Multipurpose and Integrated Data Acquisition System for On-line Neutron and Gamma Measurements by Barbot, L., Fourmentel, D., De Izarra, G., Destouches, C., Villard, J-F., Moline, Y., Hamrita, H.

“…The CEA MONACO v2 a multichannel acquisition system dedicated to neutron and gamma measurements. It is unique as it integrates all the following features in…”
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In-Pile Qualification of the Fast-Neutron-Detection-System by Fourmentel, D., Villard, J-F., Destouches, C., Geslot, B., Vermeeren, L., Schyns, M.

“…In order to improve measurement techniques for neutron flux assessment, a unique system for online measurement of fast neutron flux has been developed and…”
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Irradiation Testing of Ultrasonic Transducers by Daw, J., Tittmann, B., Reinhardt, B., Kohse, G., Ramuhalli, P., Montgomery, R., Chien, H.-T, Villard, J.-F, Palmer, J., Rempe, J.

“…Ultrasonic technologies offer the potential for high accuracy and resolution in-pile measurement of numerous parameters, including geometry changes,…”
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Test Results of an Innovative and Modular Sensor Design for Fission Chamber Studies by de Izarra, G., Geslot, B., Bréaud, S., Pepino, A., Villard, J-F., Filliatre, P.

“…Since many years, the Instrumentation, Sensors and Dosimetry laboratory at CEA Cadarache has been working to propose innovative and robust design of fission…”
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Fiber Optics for Metrology in Nuclear Research Reactors-Applications to Dimensional Measurements by Cheymol, G., Brichard, B., Villard, J. F.

“…In-situ measurement is a key issue for advanced irradiation programs in nuclear research reactors, especially in Material Testing Reactors (MTR). In that…”
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Study of the Flow Temperature and Ring Design Influence on the Response of a New Reduced-Size Calorimetric Cell for Nuclear Heating Quantification by Volte, A., Reynard-Carette, C., Brun, J., De Vita, C., Carette, M., Fiorido, T., Lyoussi, A., Fourmentel, D., Villard, J-F., Guimbal, P.

“…This paper concerns experimental studies of different designs of a new compact calorimetric cell under laboratory conditions. This kind of cell is used for the…”
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Numerical and Experimental Calibration of a Calorimetric Sample Cell Dedicated to Nuclear Heating Measurements by Brun, J., Reynard-Carette, C., Lyoussi, A., Merroun, O., Carette, M., Janulyte, A., Zerega, Y., Andre, J., Bignan, G., Chauvin, J., Fourmentel, D., Gonnier, C., Guimbal, P., Malo, J., Villard, J.

“…Online nuclear measurements inside experimental channels of material testing reactors (MTRs) are needed for experimental works (to design mock-ups) and for…”
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Monte Carlo Simulation Study of a Differential Calorimeter Measuring the Nuclear Heating in Material Testing Reactors by Amharrak, H., Reynard-Carette, C., Lyoussi, A., Carette, M., Brun, J., Vita, C. De, Fourmentel, D., Villard, J.-F., Guimbal, P.

“…The nuclear heating measurements in Material Testing Reactors (MTRs) are crucial for the study of nuclear materials and fuels under irradiation. The reference…”
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Improving High-Temperature Measurements in Nuclear Reactors with Mo/Nb Thermocouples by Villard, J.-F., Fourrez, S., Fourmentel, D., Legrand, A.

“…Many irradiation experiments performed in research reactors are used to assess the effects of nuclear radiations on material or fuel sample properties, and are…”
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Parametric study of the energy deposition inside the calorimeter measuring the nuclear heating in Material Testing Reactors by Amharrak, H., Reynard-Carette, C., Lyoussi, A., Carette, M., Brun, J., De Vita, C., Fourmentel, D., Villard, J-F.

“…The nuclear heating measurements in Material Testing Reactors (MTRs) are crucial for the study of nuclear materials and fuels under irradiation. The reference…”
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Measurement of photon flux with a miniature gas ionization chamber in a Material Testing Reactor by Fourmentel, D., Filliatre, P., Villard, J.F., Lyoussi, A., Reynard-Carette, C., Carcreff, H.

“…Nuclear heating measurements in Material Testing Reactors (MTR) are crucial for the design of the experimental devices and the prediction of the temperature of…”
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Noise Thermometry for Nuclear Applications by Lopez Legrand, A, Villard, J F

“…The effects of nuclear radiations on conventional thermocouples (type K, C and N) mainly used in irradiation experiments may create significant drifts of the…”
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Comparison of Thermal Neutron Flux Measured by ^ Fission Chamber and Rhodium Self-Powered Neutron Detector in MTR by Fourmentel, D., Filliatre, P., Barbot, L., Villard, J. F., Lyoussi, A., Geslot, B., Carcreff, H., Malo, J. Y., Reynard-Carette, C.

“…Thermal neutron flux is one of the most important nuclear parameter to be measured online in material testing reactors (MTRs). In particular two types of…”
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Acoustic Sensor for In-Pile Fuel Rod Fission Gas Release Measurement by Fourmentel, D, Villard, J F, Ferrandis, J Y, Augereau, F, Rosenkrantz, E, Dierckx, M

“…Innovative in-pile instrumentation is crucial for advanced experimental programs in research reactors. In this field, we developed a specific acoustic sensor…”
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