{"id":315873,"date":"2017-05-15T11:50:47","date_gmt":"2017-05-15T15:50:47","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170003949"},"modified":"2017-05-15T11:50:47","modified_gmt":"2017-05-15T15:50:47","slug":"extrapolating-the-trends-of-test-drop-data-with-opening-shock-factor-calculations-the-case-of-the-orion-main-and-drogue-parachutes-inflating-to-1st-reefed-stage","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=315873","title":{"rendered":"Extrapolating the Trends of Test Drop Data with Opening Shock Factor Calculations: the Case of the Orion Main and Drogue Parachutes Inflating to 1st Reefed Stage"},"content":{"rendered":"<p>Abstract: We describe a new calculation of the opening shock factor C (sub k) characterizing the inflation performance of NASA&#8217;s Orion spacecraft main and drogue parachutes opening under a reefing constraint (1st stage reefing), as currently tested in the Capsule Parachute Assembly System (CPAS) program. This calculation is based on an application of the Momentum-Impulse Theorem at low mass ratio (R (sub m) is less than 10 (sup -1)) and on an earlier analysis of the opening performance of drogues decel&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: We describe a new calculation of the opening shock factor C (sub k) characterizing the inflation performance of NASA&#8217;s Orion spacecraft main and drogue parachutes opening under a reefing constraint (1st stage reefing), as currently tested 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-315873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/315873","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=315873"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/315873\/revisions"}],"predecessor-version":[{"id":315874,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/315873\/revisions\/315874"}],"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=315873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=315873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=315873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}