Search Results - "Dubus, L"

In-situ assessment of the emissivity of tungsten plasma facing components of the WEST tokamak by Gaspar, J., Aumeunier, M.-H., Le Bohec, M., Rigollet, F., Brezinsek, S., Corre, Y., Courtois, X., Dejarnac, R., Diez, M., Dubus, L., Fedorczak, N., Houry, M., Moncada, V., Moreau, P., Pocheau, C., Talatizi, C., Tsitrone, E.

“…•In-situ method to measure the plasma facing components emissivity.•Non-uniform emissivity measured along the divertor W-coated components.•Implication of…”
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Sustained W-melting experiments on actively cooled ITER-like plasma facing unit in WEST by Corre, Y, Grosjean, A, Gunn, J P, Krieger, K, Ratynskaia, S, Skalli-Fettachi, O, Bourdelle, C, Brezinsek, S, Bruno, V, Chanet, N, Coenen, J, Courtois, X, Dejarnac, R, Delmas, E, Delpech, L, Desgranges, C, Diez, M, Dubus, L, Durif, A, Ekedahl, A, Fedorczak, N, Firdaouss, M, Gardarein, J-L, Gaspar, J, Gerardin, J, Guillemaut, C, Houry, M, Loarer, T, Maget, P, Mandelbaum, P, Mitteau, R, Missirlian, M, Moreau, P, Nouailletas, R, Nardon, E, Pocheau, C, Podolnik, A, Reilhac, P, Regal-Mezin, X, Reux, C, Richou, M, Rigollet, F, Schwob, J-L, Thorén, E, Tolias, P, Tsitrone, E

“…Abstract The consequences of tungsten (W) melting on divertor lifetime and plasma operation are high priority issues for ITER. Sustained and controlled…”
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Design and integration of femtosecond Fiber Bragg gratings temperature probes inside actively cooled ITER-like plasma-facing components by Chanet, N., Corre, Y., Cotillard, R., Gaspar, J., Laffont, G., Pocheau, C., Caulier, G., Dechelle, C., De Gentile, B., Destouches, C., Dubus, L., Gallay, F., Hernandez, C., Missirlian, M., Richou, M., Roussel, N., Santraine, B.

“…Measuring the temperature in plasma-facing components (PFCs) provides information both on plasma parameters in the divertor region and on the thermal stress…”
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Interpretation of temperature distribution observed on W-ITER-like PFUs in WEST monitored with a very-high-resolution IR system by Grosjean, A., Aumeunier, M.H., Corre, Y., Firdaouss, M., Gaspar, J., Gerardin, J., Gunn, J.P., Courtois, X., Dejarnac, R., Diez, M., Dubus, L., Houry, M., Pocheau, C., Tsitrone, E.

“…During the 2019 experimental campaign, the WEST tokamak was partially equipped with ITER-like plasma facing units (PFUs) made of discrete monoblocks (MBs) in…”
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Evolution and cleaning of the deposit layers on the lower divertor of WEST fully equipped with ITER grade components by Gerardin, J., Corre, Y., Desgranges, C., Diez, M., Dubus, L., Firdaouss, M., Gaspar, J., Grosjean, A., Guillemaut, C., Hernandez, C., Huart, A., Roche, H., Vives, S.

“…After 3 h of accumulated time from repeated plasma shots during C7 campaign performed in 2023, a deposited layer appeared on the ITER-grade W-monoblock of the…”
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Very high-resolution infrared imagery of misaligned tungsten monoblock edge heating in the WEST tokamak by Grosjean, A., Corre, Y., Gaspar, J., Gunn, J.P., Carpentier, S., Courtois, X., Dejarnac, R., Delmas, E., De Temmerman, G., Diez, M., Dubus, L., Dupont, L., Escourbiac, F., Firdaouss, M., Gerardin, J., Houry, M., Pitts, R., Pocheau, C., Tsitrone, E.

“…Fourteen ITER-like plasma-facing units (PFUs) made of bulk tungsten were installed in the WEST tokamak divertor. Five of which were misaligned with their…”
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Testing of ITER-grade plasma facing units in the WEST tokamak: Progress in understanding heat loading and damage mechanisms by Corre, Y., Aumeunier, M-H., Durif, A., Gaspar, J., Krieger, K., Loewenhoff, T., Richou, M., Ratynskaia, S., Tichit, Q., Anquetin, Y., Dejarnac, R., Diez, M., Dubus, L., Firdaouss, M., Gerardin, J., Grosjean, A.., Gunn, J.P., Loarer, T., Maget, P., Martin, C., Paschalidis, K., Tsitrone, E., Wirtz, M.

“…•Infrared quantitative thermography.•Damaged PFC.•ITER like tungsten PFC.•heat transfer modelling.•Tungsten melting.•Tungsten cracking.•Plasma heat load…”
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Infrared detection of tungsten cracking on actively cooled ITER-like component during high power experiment in WEST by Tichit, Q., Durif, A., Gaspar, J., Anquetin, Y., Corre, Y., Diez, M., Dubus, L., Firdaouss, M., Gerardin, J., Grosjean, A., Gunn, J.P., Krieger, K., Missirlian, M., Ratynskaia, S., Reilhac, P., Richou, M., Rigollet, F.

“…•Damaged PFC.•ITER-like tungsten PFC.•Plasma heat load.•Very high spatial resolution infrared thermography.•Heat load FEM modelling.•Ductile cracking…”
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Advancing climate services for the European renewable energy sector through capacity building and user engagement by Goodess, C.M., Troccoli, A., Acton, C., Añel, J.A., Bett, P.E., Brayshaw, D.J., De Felice, M., Dorling, S.R., Dubus, L., Penny, L., Percy, B., Ranchin, T., Thomas, C., Trolliet, M., Wald, L.

“…The development of successful climate services faces a number of challenges, including the identification of the target audience and their needs and…”
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Does training increase the use of more emotionally laden words by nurses when talking with cancer patients? A randomised study by RAZAVI, D, DELVAUX, N, MARCHAL, S, DURIEUX, J.-F, FARVACQUES, C, DUBUS, L, HOGENRAAD, R

“…The emotional content of health care professionals-cancer patient communication is often considered as poor and has to be improved by an enhancement of health…”
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Quantifying the sensitivity of european power systems to energy scenarios and climate change projections by Bloomfield, H.C., Brayshaw, D.J., Troccoli, A., Goodess, C.M., De Felice, M., Dubus, L., Bett, P.E., Saint-Drenan, Y.-M.

“…Climate simulations consistently show an increase in European near-surface air temperature by the late 21st century, although projections for near-surface wind…”
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Very High spatial Resolution IR thermography diagnostic positioning system upgrade in WEST Tokamak by Dubus, L., Houry, M., Pocheau, C., Courtois, X., Aumeunier, MH, Vives, S.

“…•Unique 0.1 mm/pixel IR thermography diagnostic for plasma-wall interaction studies.•Improved accuracy and reliability on field of view…”
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Software platform for imaging diagnostic exploitation applied to edge plasma physics and real-time PFC monitoring by Moncada, V., Courtois, X., Dubus, L., Grelier, E., Houry, M., Sitjes, A. Puig, Zhang, B.

“…•C++ framework for offline/real-time visualization and processing of multi-sensor data.•Thermavip is used for firm real-time machine control and offline…”
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Calibration methods and uncertainties estimation of WEST infrared thermography diagnostics by Courtois, X., Aumeunier, MH, Dubus, L., Gaspar, J., Houry, M., Mitteau, R.

“…This paper presents the method toward quantifying the global uncertainty on the blackbody temperature measurement from the infrared (IR) diagnostics of WEST…”
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Quantifying the sensitivity of european power systems to energy scenarios and climate change projections by Bloomfield, H.C., Brayshaw, D.J., Troccoli, A., Goodess, C.M., de Felice, M., Dubus, L., Bett, P.E., Saint-Drenan, Y.-M.

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The wide-angle infrared diagnostic for the first wall monitoring of the WEST tokamak by Houry, M., Aumeunier, M.H., Pocheau, C., Courtois, X., Dechelle, Ch, Dubus, L., Grelier, E., Loarer, Th, Mitteau, R., Moncada, V., Roche, H.

“…A tangential infrared thermography system is installed in the WEST tokamak to observe the thermal scene of the first wall and the divertor components through a…”
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WEST full tungsten operation with an ITER grade divertor by Bucalossi, J., Allegretti, L., Antar, G., Barbui, T., Batal, T., Bernard, E., Bernard, J.M., Bertelli, N., Bisson, R., Bottereau, C., Bouchand, C., Boumendjel, Y., Bouquey, F., Brun, C., Bruno, V., Bufferand, H., Bureau, A., Burles, S., Caprin, E., Carpentier-Chouchana, S., Causa, F., Chanet, N., Chmielewski, P., Chomiczewska, A., Colas, L., De Vries, P., Delpech, L., Desgranges, C., Denis, J., Diallo, A., Dittmar, T., Donovan, D., Durodié, F., Ezato, K., Faisse, F., Faure, N., Firdaouss, M., Garbet, X., Garcia, J., Garibaldi, P., Garitta, S., Gerardin, J., Giacalone, I., Girard, S., Goniche, M., Grisolia, C., Grover, O., Harris, J., Hirai, T., Huijsmans, G., Iafrati, M., Ivanova-Stanik, I., Jammes, C., Jaubert, L., Johnson, C., Jonas, A., Kirschner, A., Laguardia, L., Lamaison, V., Lausenaz, Y., Lé, R., Le Bohec, M., Liu, X., Llorens, J., Loarte, A., Lorenzetto, P., Lunsford, R., Maini, P., Malard, P., Missirlian, M., Mitu, B., Moiraf, D., Moncada, V., Moreau, Ph, Muraglia, M., Nakano, T., Ono, M., Ostuni, V., Pascal, J.Y., Pegourie, B., Peneliau, Y., Pignoly, E., Prochet, P., Ragona, R., Raup, G., Reux, C., Rice, J., Richou, M., Rigollet, F., Rodrigues, S., Sarazin, Y., Scholz, M., Talatizi, C., Tamain, P., Tatali, R., Velly, E., Vignal, N., Wauters, T., Zago, B., Zhang, B.

“…Abstract The mission of WEST (tungsten-W Environment in Steady-state Tokamak) is to explore long pulse operation in a full tungsten (W) environment for…”
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Radioimmunoassay for plasma histamine: a study of false positive and false negative values by Laroche, D, Dubois, F, Gérard, J L, Lefrançois, C, André, B, Vergnaud, M C, Dubus, L, Bricard, H

“…In order to achieve a correct diagnosis of drug anaphylaxis using a radioimmunoassay devoid of interferences, we have studied factors leading to false positive…”
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Sustained W-melting experiments on actively cooled ITER-like plasma facing unit in WEST by Corre, Y, Grosjean, A, Gunn, J, Krieger, K, Ratynskaia, S, Skalli-Fettachi, O, Bourdelle, C, Brezinsek, S, Bruno, V, Chanet, N, Coenen, J, Courtois, X, Dejarnac, R, Delmas, E, Delpech, L, Desgranges, C, Diez, M, Dubus, L, Durif, A, Ekedahl, A, Fedorczak, N, Firdaouss, M, Gardarein, J-L, Gaspar, J, Gerardin, J, Guillemaut, C, Houry, M, Loarer, T, Maget, P, Mandelbaum, P, Mitteau, R, Missirlian, M, Moreau, P, Nouailletas, R, Nardon, E, Pocheau, C, Podolnik, A, Reilhac, P, Regal-Mezin, X, Reux, C, Richou, M, Rigollet, F, Schwob, J-L, Thorén, E, Tolias, P, Tsitrone, E

“…Abstract The consequences of tungsten (W) melting on divertor lifetime and plasma operation are high priority issues for ITER. Sustained and controlled…”
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Sustained W-melting experiments on actively cooled ITER-like Plasma Facing Unit in WEST by Corre, Y, Grosjean, A, Gunn, J, Krieger, K, Ratynskaia, S, Skalli-Fettachi, O, Bourdelle, C, Brezinsek, S, Bruno, V, Chanet, N, Coenen, J, Courtois, X, Dejarnac, R, Delmas, E, Delpech, L, Desgranges, C, Diez, M, Dubus, L, Durif, A, Ekedahl, A, Fedorczak, N, Firdaouss, M, Gardarein, J-L, Gaspar, J, Gerardin, J, Guillemaut, C, Houry, M, Loarer, T, Maget, P, Mandelbaum, P, Mitteau, R, Missirlian, M, Moreau, P, Nouailletas, R, Nardon, E, Pocheau, C, Podolnik, A, Reilhac, P, Regal-Mezin, X, Reux, C, Richou, M, Rigollet, Fabrice, Schwob, J-L, Thorén, E, Tolias, P, Tsitrone, E

“…The consequences of tungsten (W) melting on divertor lifetime and plasma operation are high priority issues for ITER. Sustained and controlled W-melting…”
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