Search Results - "Wijkamp, T"

Spectroscopic investigations of detachment on the MAST Upgrade Super-X divertor by Verhaegh, K., Lipschultz, B., Harrison, J.R., Osborne, N., Williams, A.C., Ryan, P., Allcock, J., Clark, J.G., Federici, F., Kool, B., Wijkamp, T., Fil, A., Moulton, D., Myatra, O., Thornton, A., Bosman, T.O.S.J., Bowman, C., Cunningham, G., Duval, B.P., Henderson, S., Scannell, R., the MAST Upgrade team

“…Abstract We present the first analysis of the atomic and molecular processes at play during detachment in the MAST-U Super-X divertor using divertor…”
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Resonant interaction between runaway electrons and the toroidal magnetic field ripple in TCV by Wijkamp, T.A., Hoppe, M., Decker, J., Duval, B.P., Perek, A., Sheikh, U., Classen, I.G.J., Jaspers, R.J.E.

“…Abstract This work explains the anomalously high runaway electron (RE) pitch angles inferred in the flat-top of dedicated Tokamak à Configuration Variable…”
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The role of plasma–atom and molecule interactions on power & particle balance during detachment on the MAST Upgrade Super-X divertor by Verhaegh, K., Lipschultz, B., Harrison, J.R., Federici, F., Moulton, D., Lonigro, N., Kobussen, S.P., O’Mullane, M., Osborne, N., Ryan, P., Wijkamp, T., Kool, B., Rose, E., Theiler, C., Thornton, A.J.

“…Abstract This paper shows first quantitative analysis of the detachment processes in the MAST Upgrade Super-X divertor (SXD). We identify an unprecedented…”
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Characterisation of detachment in the MAST-U Super-X divertor using multi-wavelength imaging of 2D atomic and molecular emission processes by Wijkamp, T.A., Allcock, J.S., Feng, X., Kool, B., Lipschultz, B., Verhaegh, K., Duval, B.P., Harrison, J.R., Kogan, L., Lonigro, N., Perek, A., Ryan, P., Sharples, R.M., Classen, I.G.J., Jaspers, R.J.E.

“…Abstract In this work, we provide the first 2D spatially resolved description of radiative detachment in MAST-U Super-X L-mode divertor plasmas. The Super-X…”
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Expulsion of runaway electrons using ECRH in the TCV tokamak by Decker, J., Hoppe, M., Sheikh, U., Duval, B.P., Papp, G., Simons, L., Wijkamp, T., Cazabonne, J., Coda, S., Devlaminck, E., Ficker, O., Hellinga, R., Kumar, U., Savoye-Peysson, Y., Porte, L., Reux, C., Sommariva, C., Tema Biwolé, A., Vincent, B., Votta, L., Team, the TCV

“…Abstract Runaway electrons (REs) are a concern for tokamak fusion reactors from discharge startup to termination. A sudden localized loss of a multi-megaampere…”
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Measurement of the 2D emission profiles of hydrogen and impurity ions in the TCV divertor by Perek, A., Linehan, B.L., Wensing, M., Verhaegh, K., Classen, I.G.J., Duval, B.P., Février, O., Reimerdes, H., Theiler, C., Wijkamp, T.A., de Baar, M.R.

“…Plasma emission of hydrogen and impurities is measured with use of filtered camera imaging in TCV divertor. The measurement technique is discussed in detail…”
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The X-Point radiating regime at ASDEX Upgrade and TCV by Bernert, M., Wiesen, S., Février, O., Kallenbach, A., Koenders, J.T.W., Sieglin, B., Stroth, U., Bosman, T.O.S.J., Brida, D., Cavedon, M., David, P., Dunne, M.G., Henderson, S., Kool, B., Lunt, T., McDermott, R.M., Pan, O., Perek, A., Reimerdes, H., Sheikh, U., Theiler, C., van Berkel, M., Wijkamp, T., Wischmeier, M.

“…Future fusion reactors require a safe, steady-state divertor operation. With deep divertor detachment, which is typically induced by impurity seeding, the…”
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Validating reduced models for detachment onset and reattachment times on MAST-U by Henderson, S.S., Bernert, M., Brida, D., Derks, G.L., Elmore, S., Federici, F., Harrison, J.R., Kirk, A., Kool, B., Lonigro, N., Lovell, J., Moulton, D., Reimerdes, H., Ryan, P., Stobbs, J.M., Verhaegh, K., van den Doel, T., Wijkamp, T., Bardsley, O.

“…Two reduced models for predicting detachment onset and divertor reattachment times are validated on MAST Upgrade (MAST-U). These models are essential for…”
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Experimental studies of the arc chamber short circuit failure mechanism on the DIII-D neutral beam system by Crowley, B.J., Beckers, J.P., Velasco Enriquez, M., Jaspers, R., Rauch, J.M., Scoville, J.T., Sobota, A., Wijkamp, T.

“…Here we report on efforts to improve performance and longevity of the Neutral Beam Injection (NBI) system by initiating a R&D program aimed at studying the…”
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Tomographic reconstruction of the runaway distribution function in TCV using multispectral synchrotron images by Wijkamp, T. A, Perek, A, Decker, J, Duval, B, Hoppe, M, Papp, G, Sheikh, U. A, Classen, I. G. J, Jaspers, R. J. E, team, the TCV, team, the EUROfusion MST1

“…Synchrotron radiation observed in a quiescent TCV runaway discharge is studied using filtered camera images targeting three distinct wavelength intervals…”
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Super-X and conventional divertor configurations in MAST-U ohmic L-mode; a comparison facilitated by interpretative modelling by Moulton, D., Harrison, J.R., Xiang, L., Ryan, P.J., Kirk, A., Verhaegh, K., Wijkamp, T.A., Federici, F., Clark, J.G., Lipschultz, B.

“…Abstract Measurements are presented, alongside corresponding interpretative SOLPS-ITER simulations, of the first MAST-U experiments comparing ohmically heated…”
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Validation of 2D Te and ne measurements made with Helium imaging spectroscopy in the volume of the TCV divertor by Linehan, B.L., Perek, A., Duval, B.P., Bagnato, F., Blanchard, P., Colandrea, C., De Oliveira, H., Février, O., Flom, E., Gorno, S., Goto, M., Marmar, E., Martinelli, L., Mathews, A., Muñoz-Burgos, J., Mykytchuk, D., Offeddu, N., Oliveira, D.S., Reimerdes, H., Reiter, D., Schmitz, O., Terry, J.L., Theiler, C., Tsui, C.K., Vincent, B., Wijkamp, T., Wüthrich, C., Zholobenko, W.

“…Abstract Multi-spectral imaging of helium atomic emission (HeMSI) has been used to create 2D poloidal maps of T e and n e in TCV’s divertor. To achieve these…”
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Demonstration of a sparse sensor placement technique to the limited diagnostic set in a fusion power plant by Raukema, J., Bosman, T.O.S.J., Classen, I.G.J., Wijkamp, T.A., Perek, A., Derks, G.L., Koenders, J.T.W., Martinelli, L., Jaspers, R.J.E.

“…DEMO will have a limited diagnostic set for optimization of reactor performance, and limited diagnostic coverage due to challenging reactor conditions. This…”
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Validation of 2D $Τ$e and $\mathcal{n}$e measurements made with Helium imaging spectroscopy in the volume of the TCV divertor by Linehan, B. L., Perek, A., Duval, B. P., Bagnato, F., Blanchard, P., Colandrea, C., De Oliveira, H., Février, O., Flom, E., Gorno, S., Goto, M., Marmar, E., Martinelli, L., Mathews, A., Muñoz-Burgos, J., Mykytchuk, D., Offeddu, N., Oliveira, D. S., Reimerdes, H., Reiter, D., Schmitz, O., Terry, J. L., Theiler, C., Tsui, C. K., Vincent, B., Wijkamp, T., Wüthrich, C., Zholobenko, W.

“…Multi-spectral imaging of helium atomic emission (HeMSI) has been used to create 2D poloidal maps of $Τ$e and $\mathcal{n}$e in TCV's divertor. To achieve…”
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Validation of 2D and measurements made with Helium imaging spectroscopy in the volume of the TCV divertor by B.L. Linehan, A. Perek, B.P. Duval, F. Bagnato, P. Blanchard, C. Colandrea, H. De Oliveira, O. Février, E. Flom, S. Gorno, M. Goto, E. Marmar, L. Martinelli, A. Mathews, J. Muñoz-Burgos, D. Mykytchuk, N. Offeddu, D.S. Oliveira, H. Reimerdes, D. Reiter, O. Schmitz, J.L. Terry, C. Theiler, C.K. Tsui, B. Vincent, T. Wijkamp, C. Wüthrich, W. Zholobenko, the TCV Team

“…Multi-spectral imaging of helium atomic emission (HeMSI) has been used to create 2D poloidal maps of ${{T}}_{\mathrm{e}}$ and ${{n}}_{\mathrm{e}}$ in TCV’s…”
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Validation of 2D T e and n e measurements made with helium imaging spectroscopy in the volume of the TCV divertor by Linehan, Bryan Lee, Perek, Artur, Duval, Basil P., Bagnato, Filippo, Blanchard, Patrick, Colandrea, Claudia, de Oliveira, Hugo, Février, Olivier, Flom, Erik, Gorno, Sophie, Goto, Motoshi, Marmar, Earl S., Martinelli, Lorenzo, Mathews, Abhilash, Munoz Burgos, Jorge Manuel, Mykytchuk, Dmytry, Offeddu, Nicola, Sales de Oliveira, Diego, Reimerdes, Holger, Reiter, Detlev, Schmitz, Oliver, Terry, Jim L., Theiler, Christian, Tsui, Cedric Kar-Wai, Vincent, Benjamin, Wijkamp, Tijs, Wüthrich, Curdin Tobias, Zholobenko, Wladimir

“…Abstract Multi-spectral imaging of helium atomic emission (HeMSI) has been used to create 2D poloidal maps of T e and n e in TCV’s divertor. To achieve these…”
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2D electron density profile evolution during detachment in Super-X divertor L-mode discharges on MAST-U by Lonigro, N, Doyle, R. S, Verhaegh, K, Lipschultz, B, Moulton, D, Ryan, P, Allcock, J. S, Bowman, C, Harrison, J, Silburn, S, Theiler, C, Wijkamp, T. A, Team, the WPTE, Team, MAST-U

“…2D electron density profiles obtained from coherence imaging spectroscopy in different MAST-U divertor conditions are compared. The data includes variations of…”
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Initial Fulcher band observations from high resolution spectroscopy in the MAST-U divertor by Osborne, N, Verhaegh, K, Bowden, M. D, Wijkamp, T, Lonigro, N, Ryan, P, Pawelec, E, Lipschultz, B, Soukhanovskii, V, Biggelaar, T. van den, team, the MAST-U

“…High resolution Fulcher band spectroscopy was used in the MAST-U divertors during Super-X and elongated conventional divertor density ramps with $\text{D}_{2}$…”
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First 2D electron density measurements using Coherence Imaging Spectroscopy in the MAST-U Super-X divertor by Lonigro, N, Doyle, R, Allcock, J. S, Lipschultz, B, Verhaegh, K, Bowman, C, Brida, D, Harrison, J, Myatra, O, Silburn, S, Theiler, C, Wijkamp, T. A, Team, MAST-U, Team, the EUROfusion Tokamak Exploitation

“…2D profiles of electron density and neutral temperature are inferred from multi-delay Coherence Imaging Spectroscopy data of divertor plasmas using a…”
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First demonstration of Super-X divertor exhaust control for transient heat load management in compact fusion reactors by Kool, B, Verhaegh, K, Derks, G. L, Wijkamp, T. A, Lonigro, N, Doyle, R, McArdle, G, Vincent, C, Lovell, J, Federici, F, Henderson, S. S, Osawa, R. T, Brida, D, Reimerdes, H, van Berkel, M, team, The EUROfusion tokamak exploitation, team, the MAST-U

“…Nuclear fusion could offer clean, abundant energy. However, managing the immense power exhausted from the core fusion plasma towards the divertor remains a…”
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