{"id":257775,"date":"2017-01-04T04:05:59","date_gmt":"2017-01-04T08:05:59","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20160014909"},"modified":"2017-01-04T04:05:59","modified_gmt":"2017-01-04T08:05:59","slug":"9x15-low-speed-wind-tunnel-acoustic-improvements","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=257775","title":{"rendered":"9&#215;15 Low Speed Wind Tunnel Acoustic Improvements"},"content":{"rendered":"<p>Abstract: The 9- by 15-Foot Low Speed Wind Tunnel (9&#215;15 LSWT) at NASA Glenn Research Center was built in 1969 in the return leg of the 8- by 6-Foot Supersonic Wind Tunnel (8&#215;6 SWT). The 8&#215;6 SWT was completed in 1949 and acoustically treated to mitigate community noise issues in 1950. This treatment included the addition of a large muffler downstream of the 8&#215;6 SWT test section and diffuser. The 9&#215;15 LSWT was designed for performance testing of VSTOL aircraft models, but with the addition of the current&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: The 9- by 15-Foot Low Speed Wind Tunnel (9&#215;15 LSWT) at NASA Glenn Research Center was built in 1969 in the return leg of the 8- by 6-Foot Supersonic Wind Tunnel (8&#215;6 SWT). The 8&#215;6 SWT was completed in 1949 and acoustically treated to mitigate&#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-257775","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/257775","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=257775"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/257775\/revisions"}],"predecessor-version":[{"id":257776,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/257775\/revisions\/257776"}],"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=257775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=257775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=257775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}