B. Moosman, J. R. Boller, R. Commisso, D. Hinshelwood, D. Mosher, S. Stephanakis, B. Weber, N. Qi, J. Schein, M. McFarland, R. Prasad, M. Krishnan
{"title":"气体喷涌内爆测量和建模","authors":"B. Moosman, J. R. Boller, R. Commisso, D. Hinshelwood, D. Mosher, S. Stephanakis, B. Weber, N. Qi, J. Schein, M. McFarland, R. Prasad, M. Krishnan","doi":"10.1109/PLASMA.2000.855119","DOIUrl":null,"url":null,"abstract":"Two-dimensional interferometric images obtained in gas-puff z-pinch experiments on the Hawk generator are compared with snowplow calculations using the measured gas distribution for various times during the 250-ns implosion. To match the calculated implosion time with the observed implosion time, 88% to 101% of the measured cathode current, adjusted for each shot, is required to implode the snowplow. The snowplow model reproduces the (r,z) shape of the measured 2-D plasma shell at different times during the implosion. The inferred current loss between the measurement location (17-cm upstream of the nozzle) and the z-pinch may be due to vacuum flow resulting from the plasma-opening switch.","PeriodicalId":101591,"journal":{"name":"2000 13th International Conference on High-Power Particle Beams","volume":"39 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Gas puff implosion measurements and modeling\",\"authors\":\"B. Moosman, J. R. Boller, R. Commisso, D. Hinshelwood, D. Mosher, S. Stephanakis, B. Weber, N. Qi, J. Schein, M. McFarland, R. Prasad, M. Krishnan\",\"doi\":\"10.1109/PLASMA.2000.855119\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Two-dimensional interferometric images obtained in gas-puff z-pinch experiments on the Hawk generator are compared with snowplow calculations using the measured gas distribution for various times during the 250-ns implosion. To match the calculated implosion time with the observed implosion time, 88% to 101% of the measured cathode current, adjusted for each shot, is required to implode the snowplow. The snowplow model reproduces the (r,z) shape of the measured 2-D plasma shell at different times during the implosion. The inferred current loss between the measurement location (17-cm upstream of the nozzle) and the z-pinch may be due to vacuum flow resulting from the plasma-opening switch.\",\"PeriodicalId\":101591,\"journal\":{\"name\":\"2000 13th International Conference on High-Power Particle Beams\",\"volume\":\"39 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2000-06-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2000 13th International Conference on High-Power Particle Beams\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PLASMA.2000.855119\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2000 13th International Conference on High-Power Particle Beams","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PLASMA.2000.855119","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Two-dimensional interferometric images obtained in gas-puff z-pinch experiments on the Hawk generator are compared with snowplow calculations using the measured gas distribution for various times during the 250-ns implosion. To match the calculated implosion time with the observed implosion time, 88% to 101% of the measured cathode current, adjusted for each shot, is required to implode the snowplow. The snowplow model reproduces the (r,z) shape of the measured 2-D plasma shell at different times during the implosion. The inferred current loss between the measurement location (17-cm upstream of the nozzle) and the z-pinch may be due to vacuum flow resulting from the plasma-opening switch.
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