{"id":493,"date":"2012-08-28T04:57:28","date_gmt":"2012-08-28T04:57:28","guid":{"rendered":"\/?page_id=493"},"modified":"2020-07-20T16:08:03","modified_gmt":"2020-07-20T14:08:03","slug":"space-applications","status":"publish","type":"page","link":"https:\/\/www.lemma-ing.com\/?page_id=493","title":{"rendered":"Space applications"},"content":{"rendered":"<p style=\"text-align: justify;\">LEMMA has strong experience in space industry. Our software <a title=\"NICEFLOW\u00ae : The ultimate strongly coupled CFSD solver\" href=\"\/?page_id=2923\"><strong>NICEFLOW\u00ae<\/strong><\/a>&nbsp; is the most trustworthy developed CFD software in this area, as high order numerics and intelligent mesh allow us to precisely capture complex physics in microgravity context, coupled with FSI and sloshing problems in satellite moving tank. Please have a look at the following examples to discover a few (non confidential) studies realized in this area.<\/p>\n<p style=\"text-align: justify;\">What cannot be shown here for confidentiality reasons are all the cases where LEMMA provided expertise for supervision tool development and complex control\/command systems. This expertise is now transferred to other markets (follow<a href=\"\/?page_id=2391\" target=\"_blank\" rel=\"noopener noreferrer\"> this link<\/a> to see an example in food industry).<\/p>\n<div><\/p>\n<p style=\"text-align: center;\">[spoiler style=&#8221;2&#8243; title=&#8221;Sloshing in tank under microgravity with surface tension&#8221;]<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/HzVGx0H9e30\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe><\/p>\n<p><center><strong>Fluid reorientation in double cassini tank under microgravity.<\/strong><\/center><\/p>\n<p>[\/spoiler]<br \/>\n[spoiler style=&#8221;2&#8243; title=&#8221;Cryogenic flow under micro gravity with phase change&#8221;]<\/p>\n<p style=\"text-align: justify;\">This study was realized with success by LEMMA team and is a good example showing how <a title=\"NICEFLOW\u00ae : The ultimate strongly coupled CFSD solver\" href=\"\/?page_id=2923\"><strong>NICEFLOW\u00ae<\/strong><\/a> is able to modelize multiphase flow with heat transfer and phase change (evaporation) under microgravity, to auto-pressurize a tank. This example implies complex thermodynamics modelisation of fluids.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"\/wp-content\/uploads\/Space-cryogenic-tank.png\" width=\"300\"><\/p>\n<p><center><strong>Cryogenic flow in tank under microgravity.<\/strong><\/center><\/p>\n<p class=\"thescrollup\"><a href=\"#top\"><img decoding=\"async\" src=\"https:\/\/www.lemma-ing.com\/wp-content\/plugins\/scrollup\/arrow.png\" alt=\"&#9660; Sommet\" title=\"&#9660; Sommet\" \/><\/a><\/p>\n<p>\n[\/spoiler]<\/p>\n<p>[spoiler style=&#8221;2&#8243; title=&#8221;Sloshing with heat transfer under microgravity&#8221;]<\/p>\n<p style=\"text-align: justify;\">In this case, we consider the sloshing in a spherical tank under microgravity, taking into account fluid thermodynamics properties. Note that anisotropic adaptive mesh (see <a title=\"Featured technology: Intelligent mesh\" href=\"\/?page_id=111\">Intelligent mesh<\/a> page) allows us to drastically reduce the number of mesh nodes (by 30) compared to a classical approach where all the fluid domain should have been meshed within a fine mesh to capture all the physics and free surface accurately.<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/9qa4I13vqSw\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe><\/p>\n<p><center><strong>Sloshing in a spherical tank under microgravity with fluid thermodynamics properties.<\/strong><\/center><\/p>\n<p class=\"thescrollup\"><a href=\"#top\"><img decoding=\"async\" src=\"https:\/\/www.lemma-ing.com\/wp-content\/plugins\/scrollup\/arrow.png\" alt=\"&#9660; Sommet\" title=\"&#9660; Sommet\" \/><\/a><\/p>\n<p>\n[\/spoiler]<\/p>\n<p>[spoiler style=&#8221;2&#8243; title=&#8221;Aeroelastic coupling of a thermal protection membrane in a booster, SNPE&#8221;]<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"\/wp-content\/uploads\/Space-booster_schematic.png\" width=\"645\"><\/p>\n<p><center><strong>Space booster schematic.<\/strong><\/center><\/p>\n<p>[row class=&#8221;&#8221;]<br \/>\n[column size=&#8221;1\/2&#8243; center=&#8221;no&#8221; class=&#8221;&#8221;]<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/0sjySmE-wyI\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe><\/p>\n<p><center><strong>Space booster FSI simulation.<\/strong><\/center><br \/>\n[\/column]<br \/>\n[column size=&#8221;1\/2&#8243; center=&#8221;no&#8221; class=&#8221;&#8221;]<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/8ms-YAQh2c8\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe><\/p>\n<p><center><strong>Space booster membrane enhanced displacement.<\/strong><\/center><br \/>\n[\/column]<br \/>\n[\/row]<\/p>\n<p class=\"thescrollup\"><a href=\"#top\"><img decoding=\"async\" src=\"https:\/\/www.lemma-ing.com\/wp-content\/plugins\/scrollup\/arrow.png\" alt=\"&#9660; Sommet\" title=\"&#9660; Sommet\" \/><\/a><\/p>\n<p>\n[\/spoiler]<\/p>\n<p>\n<div class=\"clear\"><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>LEMMA has strong experience in space industry. Our software NICEFLOW\u00ae&nbsp; is the most trustworthy developed CFD software in this area, as high order numerics and intelligent mesh allow us to precisely capture complex physics in microgravity context, coupled with FSI and sloshing problems in satellite moving tank. Please have a look at the following examples&#8230; <\/p>\n","protected":false},"author":229,"featured_media":0,"parent":66,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width.php","meta":{"footnotes":""},"class_list":["post-493","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=\/wp\/v2\/pages\/493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=\/wp\/v2\/users\/229"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=493"}],"version-history":[{"count":156,"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=\/wp\/v2\/pages\/493\/revisions"}],"predecessor-version":[{"id":2971,"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=\/wp\/v2\/pages\/493\/revisions\/2971"}],"up":[{"embeddable":true,"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=\/wp\/v2\/pages\/66"}],"wp:attachment":[{"href":"https:\/\/www.lemma-ing.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}