{"id":1652,"date":"2016-12-22T23:47:50","date_gmt":"2016-12-22T23:47:50","guid":{"rendered":"http:\/\/www.xsciforge.com\/wp\/?p=1652"},"modified":"2016-12-22T23:50:22","modified_gmt":"2016-12-22T23:50:22","slug":"diii-d-discharge-164510-is-being-analyzed","status":"publish","type":"post","link":"http:\/\/www.xsciforge.com\/wp\/2016\/12\/22\/diii-d-discharge-164510-is-being-analyzed\/","title":{"rendered":"DIII-D discharge 164510 is being analyzed"},"content":{"rendered":"<p>The DIII-D discharge 164510 is a high plasma current discharge with two times of interest at t=4.1 sec with the plasma current 0.9 MA and at t=5.01 sec with the plasma current 1.05 MA.<\/p>\n<p>The MMM7.1 model in the TRANSP code has been used to model this discharge. At both times, the electron and ion temperatures are found to be under-predicted. The MMM7.1 has also failed to reproduce the internal transport barrier observed in the ion channel of transport.<br \/>\n<div id=\"attachment_1653\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/te41-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1653\" src=\"\/wp\/wp-content\/uploads\/2016\/12\/te41-10-300x211.png\" alt=\"The electron temperature profile at 4.1 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve).\" width=\"300\" height=\"211\" class=\"size-medium wp-image-1653\" srcset=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/te41-10-300x211.png 300w, http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/te41-10.png 721w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1653\" class=\"wp-caption-text\">The electron temperature profile at 4.1 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve).<\/p><\/div><div id=\"attachment_1654\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/ti41-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1654\" src=\"\/wp\/wp-content\/uploads\/2016\/12\/ti41-10-300x208.png\" alt=\"The ion temperature profile at 4.1 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve).\" width=\"300\" height=\"208\" class=\"size-medium wp-image-1654\" srcset=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/ti41-10-300x208.png 300w, http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/ti41-10.png 723w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1654\" class=\"wp-caption-text\">The ion temperature profile at 4.1 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve).<\/p><\/div><\/p>\n<p><div id=\"attachment_1656\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/te51-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1656\" src=\"\/wp\/wp-content\/uploads\/2016\/12\/te51-10-300x210.png\" alt=\"The electron temperature profile at 5.01 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve)\" width=\"300\" height=\"210\" class=\"size-medium wp-image-1656\" srcset=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/te51-10-300x210.png 300w, http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/te51-10.png 717w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1656\" class=\"wp-caption-text\">The electron temperature profile at 5.01 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve)<\/p><\/div><div id=\"attachment_1658\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/ti51-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1658\" src=\"\/wp\/wp-content\/uploads\/2016\/12\/ti51-10-300x211.png\" alt=\"The ion temperature profile at 5.01 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve).\" width=\"300\" height=\"211\" class=\"size-medium wp-image-1658\" srcset=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/ti51-10-300x211.png 300w, http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/ti51-10.png 714w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1658\" class=\"wp-caption-text\">The ion temperature profile at 5.01 sec predicted with the MMM7.1 model (solid curve) and experimental profile (dashed curve).<\/p><\/div><\/p>\n<p>There is a strong ion thermal transport driven by ion temperature gradient modes at both times of interest:<br \/>\n<div id=\"attachment_1661\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkiw19-10-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1661\" src=\"\/wp\/wp-content\/uploads\/2016\/12\/xkiw19-10-1-300x212.png\" alt=\"Ion thermal diffusivities at 4.1 sec (solid curve) and 5.01 sec (dashed curve).\" width=\"300\" height=\"212\" class=\"size-medium wp-image-1661\" srcset=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkiw19-10-1-300x212.png 300w, http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkiw19-10-1.png 719w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1661\" class=\"wp-caption-text\">Ion thermal diffusivities at 4.1 sec (solid curve) and 5.01 sec (dashed curve).<\/p><\/div><\/p>\n<p>The electron thermal transport is smaller than the ion thermal transport.<br \/>\n<div id=\"attachment_1662\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkew19-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1662\" src=\"\/wp\/wp-content\/uploads\/2016\/12\/xkew19-10-300x210.png\" alt=\"Electron thermal diffusivities at 4.1 sec (solid curve) and 5.01 sec (dashed curve).\" width=\"300\" height=\"210\" class=\"size-medium wp-image-1662\" srcset=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkew19-10-300x210.png 300w, http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkew19-10.png 715w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1662\" class=\"wp-caption-text\">Electron thermal diffusivities from Weiland component of MMM7.1 at 4.1 sec (solid curve) and 5.01 sec (dashed curve).<\/p><\/div><\/p>\n<p>The contribution from the ETG component is also relatively small and does not change much between two times of interest.<br \/>\n<div id=\"attachment_1663\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkeh-10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1663\" src=\"\/wp\/wp-content\/uploads\/2016\/12\/xkeh-10-300x212.png\" alt=\"Electron thermal diffusivities from the ETG component at 4.1 sec (solid curve) and 5.01 sec (dashed curve).\" width=\"300\" height=\"212\" class=\"size-medium wp-image-1663\" srcset=\"http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkeh-10-300x212.png 300w, http:\/\/www.xsciforge.com\/wp\/wp-content\/uploads\/2016\/12\/xkeh-10.png 720w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1663\" class=\"wp-caption-text\">Electron thermal diffusivities from the ETG component at 4.1 sec (solid curve) and 5.01 sec (dashed curve).<\/p><\/div><\/p>\n<p>It is likely that the model over-predict the ion thermal transport driven by ITG modes in this plasma parameter regime.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The DIII-D discharge 164510 is a high plasma current discharge with two times of interest at t=4.1 sec with the plasma current 0.9 MA and at t=5.01 sec with the plasma current 1.05 MA. The MMM7.1 model in the TRANSP code has been used to model this discharge. At both times, the electron and ion<br \/><a href=\"http:\/\/www.xsciforge.com\/wp\/2016\/12\/22\/diii-d-discharge-164510-is-being-analyzed\/\" title=\"DIII-D discharge 164510 is being analyzed\" >Read more&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[18],"tags":[],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5pzTb-qE","_links":{"self":[{"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/posts\/1652"}],"collection":[{"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/comments?post=1652"}],"version-history":[{"count":6,"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/posts\/1652\/revisions"}],"predecessor-version":[{"id":1666,"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/posts\/1652\/revisions\/1666"}],"wp:attachment":[{"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/media?parent=1652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/categories?post=1652"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xsciforge.com\/wp\/wp-json\/wp\/v2\/tags?post=1652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}