{"id":269683,"date":"2017-02-02T04:41:31","date_gmt":"2017-02-02T08:41:31","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170000944"},"modified":"2017-02-02T04:41:31","modified_gmt":"2017-02-02T08:41:31","slug":"laser-induced-fluorescence-measurements-in-a-hall-thruster-plume-as-a-function-of-background-pressure","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=269683","title":{"rendered":"Laser Induced Fluorescence Measurements in a Hall Thruster Plume as a Function of Background Pressure"},"content":{"rendered":"<p>Abstract: A set of Laser Induced Fluorescence (LIF) measurements in the near-field region of the NASA- 173M Hall thruster plume is presented at four background pressure conditions varying from 9.4 x 10(exp -6) torr to 3.3 x 10(exp -5) torr. The xenon ion velocity distribution function was measured simultaneously along the axial and radial directions. An ultimate exhaust velocity of 19.6+\/-0.25 km\/s achieved at a distance of 20 mm was measured, and that value was not sensitive to pressure. On the other &#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: A set of Laser Induced Fluorescence (LIF) measurements in the near-field region of the NASA- 173M Hall thruster plume is presented at four background pressure conditions varying from 9.4 x 10(exp -6) torr to 3.3 x 10(exp -5) torr. The xenon i&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-269683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/269683","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=269683"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/269683\/revisions"}],"predecessor-version":[{"id":269684,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/269683\/revisions\/269684"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=269683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=269683"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=269683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}