{"id":472142,"date":"2018-04-23T07:36:16","date_gmt":"2018-04-23T11:36:16","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20180002158"},"modified":"2018-04-23T07:36:16","modified_gmt":"2018-04-23T11:36:16","slug":"spectral-mass-gauging-of-unsettled-liquid-with-acoustic-waves","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=472142","title":{"rendered":"Spectral Mass Gauging of Unsettled Liquid with Acoustic Waves"},"content":{"rendered":"<p>Abstract: Propellant mass gauging is one of the key technologies required to enable the next step in NASA&#8217;s space exploration program. At present, there is no reliable method to accurately measure the amount of unsettled liquid propellant of an unknown configuration in a propellant tank in micro- or zero gravity. We propose a new approach to use sound waves to probe the resonance frequencies of the two-phase liquid-gas mixture and take advantage of the mathematical properties of the high frequency spec&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Propellant mass gauging is one of the key technologies required to enable the next step in NASA&#8217;s space exploration program. At present, there is no reliable method to accurately measure the amount of unsettled liquid propellant of an unknown&#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-472142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/472142","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=472142"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/472142\/revisions"}],"predecessor-version":[{"id":472143,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/472142\/revisions\/472143"}],"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=472142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=472142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=472142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}