Proceedings of the International Symposium on Plasma Wall Interaction, Jülich (FRG) 18-22 October 1976

Content: CONFERENCE CHAIRMEN , Page ii Front Matter , Page iii Copyright , Page iv FOREWORD , Page xi , F. Engelmann, E. Hintz OPENING OF THE CONFERENCE , Page xii , F. Engelmann, E. Hintz WELCOME ADDRESS , Pages xiii-xiv , K.H. BECKURTS RECENT RESULTS ON PLASMA-WALL INTERACTION IN THE T.F.R. TOKAMAK , Pages 3-20 , T.F.R. group DIVERTORS FOR IMPURITY CONTROL AND REVIEW OF IMPURITY EFFECTS IN PPL TOKAMAKS * , Pages 21-37 , Dale M. Meade A REVIEW OF WORK ON PLASMA-WALL INTERACTIONS AND DIVERTOR EXPERIMENTS ON DITE , Pages 39-51 , P.E. Stott, J. Burt, S.K. Erents, S.J. Fielding, D.H.J. Goodall, M. Hobby, J. Hugill, G.M. McCracken, J.W.M. Paul, A. Pospieszczyk, R. Prentice, D.D.R. Summers ENERGY FLUX AND SURFACE TEMPERATURE MEASUREMENTS AT SURFACES IN THE DITE TOKAMAK , Pages 53-58 , D H J Goodall WALL ANALYSIS IN TFR PERFORMED BY QWAASS , Pages 59-61 , EQUIPE TFR PLASMA-WALL CHARGE-EXCHANGE INTERACTIONS IN THE 2XIIB MAGNETIC MIRROR EXPERIMENT , Pages 63-68 , B.W. Stallard, F.H. Coensgen, W.F. Cummins, C. Gormezano, B.G. Logan, A.W. Molvik, W.E. Nexsen, T.C. Simonen, W.C. Turner EFFECT OF NEUTRAL INJECTION HEATING ON THE IMPURITY LEVEL IN THE W VII A STELLARATOR , Pages 69-73 , J.H. Feist, W. Ott, E. Speth REVIEW OF THE WORK ON PLASMA-WALL INTERACTION IN TOKAMAK PLASMA CONFINEMENT AT JAERI , Pages 75-93 , Y. SUZUKI SURFACE AND IMPURITY STUDIES IN ORMAK AND ISX , Pages 95-104 , R.J. Colchin, R.E. Clausing, L.C. Emerson, L. Heatherly, R.C. Isler ALUMINA-PLASMA INTERACTION IN THE PETULA TOKAMAK , Pages 105-114 , PETULA GROUP MODELING THE EDGE OF A TOKAMAK PLASMA , Page 115 , J.D. Callen, E.C. Crume, H.C. Howe, G.G. Kelley, A.T. Mense, E.M. Oblow, K.T. Tsang KINETIC THEORY OF PLASMA IN THE LIMITER-SHADOW REGION , Pages 117-124 , U. Daybelge, B. Bein SCREENING PROPERTY OF THE LIMITER SHADOW REGION FOR HEAVY WALL IMPURITIES , Pages 125-130 , H.A. ClaaBen, H. Repp PROTECTION OF WALLS FROM HARD DISRUPTIONS IN LARGE TOKAMAKS , Pages 131-136 , A. Sestero THE EFFECT OF ELECTRIC FIELD IN THE DIVERTOR SCRAPE-OFF LAYER , Pages 137-145 , Krishna M. Srivastava, A. El Nadi REVIEW OF THE WORK ON IMPURITIES AND PLASMA-WALL INTERACTION ON THE PULSATOR TOKAMAK , Page 147 , PULSATOR Team, S. Sesnic NEUTRAL PARTICLE EMISSION OF THE PULSATOR PLASMA DURING HIGH-DENSITY DISCHARGES , Pages 149-154 , F. Wagner, H.M. Mayer MODELS FOR IMPURITY PRODUCTION AND TRANSPORT IN TOKAMAKS , Pages 155-165 , J.T. Hogan INVESTIGATION OF PLASMA-WALL INTERACTION BY THE AID OF A PLASMA ACCELERATOR , Pages 167-170 , C. Martin, K.G. Müller, H. Tuczek IMPURITY TRANSPORT IN TOKAMAKS , Pages 173-191 , P.H. Rutherford, S.P. Hirshman, R. Jensen, D.E. Post, F.G.P. Seidl ATOMIC RATE COEFFICIENTS FOR TOKAMAK PLASMAS , Pages 193-200 , Hans R. Griem NUMERICAL INVESTIGATION OF THE RADIAL IMPURITY TRANSPORT IN TOKAMAK PLASMAS , Page 201 , D.F. Düchs COLLISION-DOMINATED MULTI-ION DIFFUSION , Pages 203-208 , Herbert Gratzl RELATIVE IMPORTANCE OF DIFFERENT IMPURITY SOURCES IN TOKAMAK REACTORS AS ESTIMATED FROM PARTICLE BALANCE EQUATIONS , Pages 209-217 , H. Vernickel, B.U.U. Scherzer, J. Bohdansky, R. Behrisch SUPPRESSION OF THE INTERNAL DISRUPTION IN A TOKAMAK BY NEUTRAL INJECTION HEATING , Pages 219-224 , A. Nicolai SPUTTERING AND NEUTRAL INJECTION HEATING , Pages 225-228 , A Nicolai THE PLASMA INSTABILITIES DUE TO IMPURITY IONS , Pages 229-234 , V.G. Petrov ENERGY AND ANGULAR DISTRIBUTION OF BREMSSTRAHLUNG FLUX FROM TOKAMAK PLASMAS , Pages 235-242 , T. Karamash, S. Grammel ARCING SURFACE PHENOMENA , Pages 245-256 , Günter Ecker METHANE FORMATION DURING HYDROGEN ION IRRADIATIONS OF SILICON AND BORON CARBIDES , Pages 257-261 , C Braganza, G M McCracken, S K Erents INTERACTION OF BORON MATERIALS WITH A HYDROGEN PLASMA , Pages 263-266 , J.E. Kingcade, R. Schär, H. Stuessi, S. Vepřek, A.P. Webb LASERINDUCED DESORPTION AS A METHOD TO STUDY THE INTERACTION OF GASES WITH METAL SURFACES , Pages 267-273 , H. Hartwig, P. Mioduszewski, D. Rusbüldt THERMOCHEMIE VON REAKTIONEN DER METALLE Nb, V und Mo MIT RESTGASEN DES VAKUUMS , Pages 275-283 , H. Migge INTERACTION OF THERMAL HYDROGEN ATOMS WITH STAINLESS STEEL AND GRAPHITE , Pages 285-292 , K. Flaskamp, H.R. Ihle, G. Stöcklin, E. Vietzke, K. Vogelbruch, C.H. Wu INDUCED DESORPTION FROM 316 L STAINLESS STEEL , Pages 293-299 , J. Lelegard, A. Schram DESORPTION OF SURFACE CONTAMINANTS BY LOW ENERGY PARTICLE IMPACT , Pages 301-307 , E. Taglauer, G. Marin, W. Heiland EROSION AND CHANGES IN SURFACE COMPOSITION OF STAINLESS STEEL 316 AFTER LOW ENERGY LIGHT ION BOMBARDMENT AT TEMPERATURES BETWEEN 50 and 660°C , Pages 309-316 , J. Roth, J. Bohdansky, W.O. Hofer, J. Kirsehner SPUTTERING YIELDS OF GRAPHITE USING MICROBALANCE TECHNIQUE WITH keV REGION He + , H + , Pages 317-322 , K. Akaishi, S. Sukenobu, M. Komizo, A. Miyahara, T. Gotoh SPUTTERING YIELDS FOR 0.1 - 6 keV PROTONS INCIDENT ONTO MOLYBDENUM AND GRAPHITE TARGETS , Pages 323-333 , K. Sone, H. Ohtsuka, T. Abe, R. Yamada, K. Obara, O. Tsukakoshi, T. Narusawa, T. Satake, M. Mizuno, S. Komiya PLASMA GENERATION BY GASE IONIZATION IN RADIAL ELECTRIC AND AXIAL MAGNETIC FIELDS , Pages 335-338 , I.A. EL-NAGGAR, Y.A. SAYED, V.L. SIZONENKO THE ROLE OF TRAPPING REFLECTION AND DIFFUSIVE RE-EMISSION IN THE RECYCLING OF PLASMAS AT SURFACES , Pages 339-351 , G M McCracken WALL EROSION BY PHYSICAL AND CHEMICAL SPUTTERING AND BLISTERING , Pages 353-374 , B.M.U. Scherzer, R. Behrisch, J. Roth PLASMA WALL INTERACTIONS, GLOW DISCHARGE EXPERIENCES FOR FUSION REACTOR STUDIES , Pages 375-380 , B. Brandt OUTGASSING OF INCONEL AND SOME LOW-Z MATERIALS , Pages 381-389 , K.G. Tschersich, E.A. Niekisch, Kernforschungsanlage Jülich SEMIEMPIRICAL THEORY ON THE DEPENDENCE OF BLISTERING AND EXFOLIATION ON RADIATION SWELLING AND GAS PRESSURE , Pages 391-400 , M. Risch, J. Roth, B.M.U. Scherzer BLISTER FORMATION IN MULTIPLE ENERGY He + IMPLANTED STAINLESS STEEL , Pages 401-411 , K.L. Wilson, L.G. Haggmark, R.A. Langley BLISTERING OF MONOCRYSTALLINE VANADIUM BY 10 keV HELIUM IONS , Pages 413-418 , V.M. Gusev, M.I. Guseva, N.M. Zykova, J.L. Krasulin, A.V. Nedospasov, I.A. Rosina, V.M. Koltygin SURFACE EROSION OF STAINLESS STEEL AND MOLYBDENUM BY LOW ENERGY HIGH DOSE He + BOMBARDMENT , Page 419 , B. Navinšek, A. Žabkar HELIUM PROFILES IN NIOBIUM AND MOLYBDENUM , Pages 421-430 , J.P. Biersack, D. Fink, P. Mertens, R.A. Henkelmann, K. Müller CRYSTAL LATTICE STRESS IN PYROLYTIC GRAPHITE IRRADIATED WITH 4 MeV HELIUM IONS , Pages 431-435 , S. Vepřek, A.P. Webb, H. Stuessi ENERGY REFLECTIONS FROM Nb, Ag, AND Au BOMBARDED WITH 1 - 10 keV PROTONS , Pages 437-442 , H. Sørensen OPTICAL RADIATION FROM HYDROGEN AND HELIUM SCATTERED FROM SOLID SURFACES , Page 443 , W. Heiland, N.H. Tolk, J. Kraus, S.Y. Leung, P. Hill CLEANING OF LARGE METALLIC VESSELS FOR PLASMA CONFINEMENT DEVICES , Pages 445-453 , K.J. Dietz, F. Waelbroeck MASS SPECTROMETRY MEASUREMENTS OF GAS RELEASE DUE TO PLASMA WALL INTERACTIONS IN THE DITE TOKAMAK , Pages 457-464 , J Burt, G M Mc Cracken, P E Stott MASS SPECTROSCOPY IN THE TFR MACHINE , Pages 465-470 , TFR Group THE ROLE OF WALL-ADSORBED HYDROGEN IN TOKAMAK DISCHARGES , Pages 471-474 , A. Pospieszczyk, J. Burt, S.J. Fielding, G.M. McCracken, P.E. Stott DETECTION OF LOW DENSITIES OF METAL ATOMS BY PULSED, DYE LASER EXCITED FLUORESCENCE SPECTROSCOPY , Pages 475-482 , A. Elbern, D. Rusbüldt, E. Hintz POSSIBLE APPLICATIONS OF ATOMIC FLUORESCENCE SPECTROSCOPY IN CTR USING CW DYE LASERS , Pages 483-488 , D. Rusbüldt SPECIAL PROBLEMS IN THE DENSITY MEASUREMENTS OF SPUTTERED IRON BY FLUORESCENCE SPECTROSCOPY , Pages 489-494 , A. Elbern DETECTION OF NEUTRAL HYDROGEN AND LIGHT IMPURITIES BY RESONANCE SCATTERING IN THE VACUUM ULTRAVIOLET , Pages 495-500 , P. Bogen, Y.T. Lie Low Energy Ion Scattering Study of Adsorbed Layers on Stainless Steel Surface , Pages 501-507 , K. Akaishi, A. Miyahara, Z. Kabeya RAUHEITSUNTERSUCHUNGEN AN OBERFLACHEN MIT DEM RASTER-ELEKTRONENMIKROSKOP (REM) , Pages 509-513 , W. Hillmann, K. Eckolt, O. Kranz THE EFFECT OF CLEANING AND OTHER SURFACE TREATMENTS ON THE SURFACE COMPOSITION OF TECHNOLOGICAL MATERIALS , Pages 517-536 , A.G. Mathewson PLASMA WALL INTERACTION IN DIVA , Pages 537-550 , H. Maeda, H. Ohtsuka, Y. Shimomura, S. Yamamoto, M. Nagami, H. Kimura, K. Odajima, A. Funahashi, T. Matoba, S. Kasai, T. Sugie, H. Takeuchi, K. Takahashi, K. Kawakami, T. Shoji, T. Yamauchi, T. Tokutake, K. Anno, T. Arai, H. Hiratsuka, et al. ON TOROIDAL DIVERTORS FOR TOKAMAKS , Pages 551-557 , H. Gerhauser, H. Kever, A. Rogister EXPERIMENTAL STUDIES ON THE METHODS OF SURFACE CLEANING FOR TOKAMAK DEVICES , Pages 559-571 , T. Tazima, Y. Gomay WALL CONDITIONING STUDIES FOR ORMAK AND ISX , Pages 573-582 , R.E. Clausing, L.C. Emerson, L. Heatherly, R.J. Colchin FIRST WALL SURFACE TREATING IN THE FRASCATI TOKAMAK FT , Pages 583-588 , A. Boschi, C. Ferro, G. Luzzi, L. Papagno METHOD OF CONTROLLING IMPURITY TRANSPORT , Pages 589-598 , Keith H. Burrell, Tihiro Ohkawa IMPURITY CONTROL IN NEAR-TERM TOKAMAK REACTORS , Pages 599-608 , Weston M. Staceym Jr., Dale L. Smith, Jeffrey N. Brooks ON MECHANICAL DIVERTORS (SCRAPE-OFF-LIMITERS) , Pages 609-618 , W. Bieger, K.H. Dippel, G. Fuchs, G.H. Wolf DISAPPEARANCE OF HARD-RAYS FROM A TOKAMAK PLASMA BY APPLICATION OF A FAST-CHANGING MAGNETIC PULSE , Pages 619-626 , K. Yamazaki, M. Ichimura, K. Hoshino, J. Morikawa, H. Nihei, N. Inoue, T. Uchida PLASMAS WITH COLD BLANKETS , Pages 627-646 , F. Engelmann, W.J. Goedheer, A. Nocentini, F.C. Schüller GAS-BLANKET STUDIES IN A TOROIDAL DISCHARGE , Pages 647-652 , The RINGBOOG-Team, F.C. Schüller EXPERIMENTAL RESULTS ON THE PENETRATION OF SPUTTERED ATOMS INTO A NEUTRAL GAS BLANKET , Pages 653-658 , P. Bogen, A. Elbern PLASMA-WALL INTERACTIONS , Pages 659-664 , R.A. Gross, B. Jensen, J.K. Tien, N. Panayotou STATIONARY-STATE PROFILES IN A CYLINDRICAL HYDROGEN ARC IN A GAS BLANKET , Pages 665-670 , W.J. Goedheer NUMERICAL INVESTIGATION OF THE BEHAVIOUR OF NEUTRALS IN THE WALL REGION OF HIGH TEMPERATURE PLASMAS , Pages 671-676 , J. Hackmann, Y.C. Kim, J. Uhlenbusch ON THE CHOICE OF THE FIRST WALL MATERIAL FOR THE J.E.T. EXPERIMENT , Pages 679-682 , M. Bernardini, D. Eckhartt, M. Snykers THE PDX EXPERIMENT , Pages 683-690 , D.M. Meade, J.C. Sinnis CONTROL OF PLASMA WALL INTERACTION IN THE ASDEX DIVERTOR TOKAMAK , Pages 691-696 , G. Haas, M. Keilhacker JT-4 PROGRAM , Pages 697-710 , A. Kitsunezaki, S. Seki, T. Matsuda, H. Yokomizo, M. Yoshikawa, R. Saito ON THE DESIGN FEATURES AND LAY-OUT OF TEXTOR , Pages 711-718 , H. Conrads LIST OF PARTICIPANTS , Pages 719-728 SUBJECT INDEX , Pages 729-750