{"id":263228,"date":"2017-01-18T07:38:02","date_gmt":"2017-01-18T11:38:02","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170000436"},"modified":"2017-01-18T07:38:02","modified_gmt":"2017-01-18T11:38:02","slug":"impact-of-drift-on-the-vehicle-liftoff-acoustic-environments","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=263228","title":{"rendered":"Impact of Drift on the Vehicle Liftoff Acoustic Environments"},"content":{"rendered":"<p>Abstract: During liftoff a vehicle can drift due to wind, nozzle gimbaling, fly away maneuver, etc&#8230; This drift can cause the exhaust plumes to impinge on the deck and cause the noise levels experienced by the vehicle to increase. A small increase in the plume impingement can have a dramatic effect on the noise levels when the vehicle is only a few nozzle diameters from the deck. As the vehicle lifts off the deck the increase in noise levels lessens as the plume impingement increases. Several scale mo&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: During liftoff a vehicle can drift due to wind, nozzle gimbaling, fly away maneuver, etc&#8230; This drift can cause the exhaust plumes to impinge on the deck and cause the noise levels experienced by the vehicle to increase. A small increase in &#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-263228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/263228","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=263228"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/263228\/revisions"}],"predecessor-version":[{"id":263229,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/263228\/revisions\/263229"}],"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=263228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=263228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=263228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}