Search Results - "Von Halle, A"

Studies of electrical breakdown processes across vacuum gaps between metallic electrodes by Grisham, L.R., Von Halle, A., Carpe, A.F., Rossi, Guy, Gilton, K.R., McBride, E.D., Gilson, E.P., Stepanov, A., Stevenson, T.N.

“…An experimental program to elucidate the physical causes of electrical breakdown across vacuum gaps, such as those that occur in charged particle accelerators,…”
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Engineering design of the National Spherical Torus Experiment by Neumeyer, C, Heitzenroeder, P, Spitzer, J, Chrzanowski, J, Brooks, A, Bialek, J, Fan, H.M, Barnes, G, Viola, M, Nelson, B, Goranson, P, Wilson, R, Fredd, E, Dudek, L, Parsells, R, Kalish, M, Blanchard, W, Kaita, R, Kugel, H, McCormack, B, Ramakrishnan, S, Hatcher, R, Oliaro, G, Perry, E, Egebo, T, Von Halle, A, Williams, M, Ono, M

“…NSTX is a proof-of-principle experiment aimed at exploring the physics of the ‘spherical torus’ (ST) configuration, which is predicted to exhibit more…”
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Gas utilization in the Tokamak Fusion Test Reactor neutral beam injectors by Kamperschroer, J. H., Gammel, G. M., Kugel, H. W., Grisham, L. R., Stevenson, T. N., von Halle, A., Williams, M. D., Jones, T. T. C.

“…Measurements of gas utilization were performed using hydrogen and deuterium beams in the Tokamak Fusion Test Reactor (TFTR) neutral beam test beamline to study…”
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NSTX electrical power systems by Ramakrishnan, S., Neumeyer, C., Baker, E., Hatcher, R., Ilic, A., Marsala, R., O'Neill, D., von Halle, A.

“…The National Spherical Torus Experiment (NSTX) has been designed and installed in the existing facilities at Princeton Plasma Physics Laboratory (PPPL). Most…”
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A visual detection system for determining tritium surface deposition employing phosphor coated materials by Gentile, C.A., Zweben, S.J., Skinner, C.H., Young, K.M., Parker, J., Ciebiera, L., Langish, S.W., von Halle, A., Kennedy, C.W., Osobe, K.

“…A method for visually observing tritium deposition on the surface of TFTR D-T tiles is being investigated at PPPL. A green phosphor (P31, zinc sulfide: copper)…”
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Tritium decontamination of TFTR D-T graphite tiles employing ultra violet light and a Nd:YAG laser by Gentile, C.A., Skinner, C.H., Young, K.M., Ciebiera, L., Langish, S.W., von Halle, A., Kennedy, C.W., O'hira, S., Shu, W.M.

“…The use of an ultra violet light source (wavelength=172 nm) and a Nd:YAG laser for the decontamination of TFTR D-T tiles will be investigated at PPPL. The…”
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Analysis of DIII-D neutral beam power systems for 10 second operation by Pawley, C.J., Scoville, J.T., Hong, R.-M., Stevenson, T., Rossi, G., Edwards, J., von Halle, A.

“…The neutral beam injector systems on the DIII-D tokamak are currently limited to 3 seconds of total beam on time with the existing beam line components. To…”
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Making of the NSTX facility by Ono, M., Kaye, S.M., Neumeyer, C., Peng, Y.-K.M., Williams, M., Barnes, G., Bell, M., Bialek, J., Bigelow, T., Blanchard, W., Brooks, A., Carter, M.D., Chrzanowski, J., Davis, W., Dudek, L., Ellis, R., Fan, H.M., Fredd, E., Gates, D., Gibney, T., Goranson, P., Hatcher, R.E., Heitzenroeder, P., Hosea, J., Jardin, S.C., Jarboe, T., Johnson, D., Kalish, M., Kaita, R., Kessel, C., Kugel, H., Majeski, R., McCormack, B., Maingi, R., Menard, J., Maqueda, R., Marsala, R., Mueller, D., Nelson, B.E., Nelson, B.A., Oliaro, G., Paoletti, F., Parsells, R., Perry, E., Pearson, G., Ramakrishnan, S., Raman, R., Robinson, J., Roney, P., Roquemore, L., Ryan, P., Sabbagh, S., Sichta, P., Stevenson, T., Swain, D., Viola, M., Von Halle, A., Wilson, J.R., Wurden, G., Zweben, S.

“…The NSTX (National Spherical Torus Experiment) facility located at Princeton Plasma Physics Laboratory is the newest national fusion science experimental…”
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Plasma wall interaction and tritium retention in TFTR by Skinner, C.H., Amarescu, E., Ascione, G., Blanchard, W., Barnes, C.W., Batha, S.H., Beer, M., Bell, M.G., Bell, R., Bitter, M., Bretz, N.L., Budny, R., Bush, C.E., Camp, R., Casey, M., Collins, J., Cropper, M., Chang, Z., Darrow, D.S., Duong, H.H., Durst, R., Efthimion, P.C., Ernst, D., Fisch, N., Fonck, R.J., Fredrickson, E., Fu, G.Y., Furth, H.P., Gibson, M., Gilbert, J., Grisham, L.R., Hammett, G., Hawryluk, R.J., Herrmann, H.W., Hill, K.W., Janos, A., Jassby, D.L., Jobes, F.C., Johnson, D.W., Johnson, L.C., Kamperschroer, J., Kalish, M., Kugel, H., Langford, J., Langish, S., Lamarche, P.H., Levinton, F.M., Machuzak, J., Majeski, R., Manikam, J., Mansfield, D.K., Mazzucato, E., McGuire, K.M., Mika, R., McKee, G., Meade, D.M., Medley, S.S., Mikkelsen, D.R., Mynick, H.E., Mueller, D., Nagy, A., Nazikian, R., Ono, M., Owens, D.K., Park, H., Paul, S.F., Pearson, G., Petrov, M., Phillips, C.K., Raftopoulos, S., Ramsey, A., Raucci, R., Redi, M.H., Rewoldt, G., Rogers, J., Roquemore, A.L., Ruskov, E., Sabbagh, S.A., Schilling, G., Schivell, J.F., Schmidt, G.L., Scott, S.D., Sesnic, S., Strachan, J.D., Stevenson, T., Stotler, D.P., Takahashi, H., Tang, W., Taylor, G., Tighe, W., Timberlake, J.R., von Halle, A., Walters, R.T., White, R.B., Wilson, J.R., Winston, J., Wong, K.L., Young, K.M., Zarnstorff, M.C., Zweben, S.J.

“…The Tokamak Fusion Test Reactor (TFTR) has been operating safely and routinely with deuterium-tritium fuel for more than two years. In this time, TFTR has…”
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Plasma wall interaction and tritium retention in TFTR by Skinner, C

“…The Tokamak Fusion Test Reactor (TFTR) has been operating safely and routinely with deuterium-tritium fuel for more than two years. In this time, TFTR has…”
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Deuterium-tritium operation of the tokamak fusion test reactor (TFTR) by von Halle, A.

“…Summary form only given. The TFTR has operated since 1982 with the objectives of studying the plasma physics of large tokamaks, gaining experience in the…”
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Measurements of tritium retention and removal on the Tokamak Fusion Test Reactor by Skinner, C. H., Blanchard, W., Kamperschroer, J., LaMarche, P., Mueller, D., Nagy, A., Scott, S., Ascione, G., Amarescu, E., Camp, R., Casey, M., Collins, J., Cropper, M., Gentile, C., Gibson, M., Hosea, J., Kalish, M., Langford, J., Langish, S., Mika, R., Owens, D. K., Pearson, G., Raftopoulos, S., Raucci, R., Stevenson, T., Von Halle, A., Voorhees, D., Walters, T., Winston, J.

“…Recent experiments on the Tokamak Fusion Test Reactor have afforded an opportunity to measure the retention of tritium in a graphite limiter that is subject to…”
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Final operations of the Tokamak Fusion Test Reactor (TFTR) by von Halle, A.

“…In April of 1997, The TFTR completed it's final operating period bringing to a close a highly successful phase of research in plasma science. The TFTR produced…”
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Operations with tritium neutral beams on the tokamak fusion test reactor by Grisham, L.R., Kamperschroer, J.H., O'Connor, T., Stevenson, T., Von Halle, A., Wright, K.W.

“…In November of 1993 the tokamak fusion test reactor began operating with a deuterium-tritium fuel mixture instead of the pure deuterium which it had used…”
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Cryosorption of helium on argon frost in Tokamak Fusion Test Reactor neutral beamlines by Kamperschroer, J. H., Cropper, M. B., Dylla, H. F., Garzotto, V., Dudek, L. E., Grisham, L. R., Martin, G. D., O’Connor, T. E., Stevenson, T. N., von Halle, A., Williams, M. D., Kim, J.

“…Helium pumping on argon frost has been investigated on Tokamak Fusion Test Reactor (TFTR) neutral beam injectors and shown to be viable for limited helium beam…”
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Refurbishing tritium contaminated ion sources by Wright, K.E., Carnevale, R.H., McCormack, B.E., Stevenson, T., von Halle, A.

“…Extended tritium experimentation on TFTR has necessitated refurbishing Neutral Beam Long Pulse Ion Sources (LPIS) which developed operational difficulties,…”
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Tritium consumption and retention in TFTR neutral beams by Kamperschroer, J.H., Cropper, M.B., Grisham, L.R., McCormack, B.E., Nagy, A., O'Connor, T.E., Oldaker, M.E., Stevenson, T.N., von Halle, A.

“…750,000 Ci of tritium have passed through the TFTR neutral beamlines since December, 1993. During the course of 725 tritium heated discharges, 47,000 Ci have…”
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Analysis of ion source arc chamber failure and grid damage sustained during high power operation by Kamperschroer, J.H., Cropper, M.B., Grisham, L.R., McCormack, B.E., O'Connor, T.E., Oldaker, M.E., Stevenson, T.N., Von Halle, A.

“…Several ion sources failed during the last months of TFTR operation. Four suffered are chamber vacuum leaks which admitted SF/sub 6/ into the source. One of…”
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The TFTR neutral beam pulse length limit by Kamperschroer, J.H., Garzotto, V., Grisham, L.R., McCormack, B.E., O'Connor, T.E., Oldaker, M.E., Stevenson, T.N., Von Halle, A.

“…Early operation of the TFTR long pulse ion sources identified the full-energy ion dump as the critical constraint for long pulse operation. Full power, two…”
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The perveance function (particle accelerators) by O'Connor, T., Grisham, L., Kamperschroer, J., Rossi, G., Stevenson, T., von Halle, A., Williams, M.

“…A method of analyzing the divergence characteristics of particle beams that utilize a Pierce geometry accelerator is described. The technique combines…”
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