{"id":35,"date":"2022-09-22T12:23:41","date_gmt":"2022-09-22T10:23:41","guid":{"rendered":"https:\/\/am-acts.eu\/?page_id=35"},"modified":"2023-09-11T12:02:38","modified_gmt":"2023-09-11T10:02:38","slug":"activities-and-results","status":"publish","type":"page","link":"https:\/\/am-acts.eu\/?page_id=35","title":{"rendered":"Objectives and Results"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">AM-ACTS Objectives<\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-image-fill\" style=\"grid-template-columns:27% auto\"><figure class=\"wp-block-media-text__media\" style=\"background-image:url(https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-1024x563.png);background-position:46% 44%\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"563\" src=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-1024x563.png\" alt=\"\" class=\"wp-image-19 size-full\" srcset=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-1024x563.png 1024w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-300x165.png 300w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-768x422.png 768w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-1536x844.png 1536w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png 1891w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>In line with the goals of both M-ERA.Net and Horizon Europe Work Strategic Plan 2021-2024, the main objective of AM-ACTS project is to develop novel <strong>high-performance Actively Cooled Thermal Shields<\/strong> <strong>(ACTS)<\/strong> through <strong>additive manufacturing <\/strong>of lightweight <strong>microchanneled parts<\/strong> from <strong>ultra-high temperature ceramics<\/strong> (UHTCs) and\/or <strong>refractory metals<\/strong> which could be used, for example, in atmospheric re-entry shields, turbine blades, rocket engines, reactor walls or solar receivers with <strong>improved maximum service temperature<\/strong> and\/or <strong>service lifetime<\/strong> at a given operating temperature over current passive thermal protection systems (TPS), which could boost the efficiency and reduce maintenance costs in these and many other industrial applications.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\" style=\"grid-template-columns:auto 40%\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"361\" src=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Esquema-ACTS-1.png\" alt=\"\" class=\"wp-image-146 size-full\" srcset=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Esquema-ACTS-1.png 406w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Esquema-ACTS-1-300x267.png 300w\" sizes=\"auto, (max-width: 406px) 100vw, 406px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>This will be achieved through a reduction of the internal temperatures of the system by circulating coolant through a <strong>bioinspired <\/strong>internal <strong>microchannel network<\/strong> similar to those used by animal and plants for thermoregulation. Reduction of external surface temperature in <strong>Actively Cooled Thermal Shields (ACTS)<\/strong> would also be sought through the formation of a protective gas thin film using <strong>transpiration cooling<\/strong>. Lowering material temperature will<strong> reduce oxidation\/corrosion<\/strong> and transpiration cooling will also <strong>mitigate ablation<\/strong> of the external surface. Development of optimal microchannel network design will be performed with the aid of <strong>computational fluid dynamics<\/strong> (CFD).<strong> Optimal coolant and flow rates<\/strong> for both closed-loop and transpiration cooling systems will be identified.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:40% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"557\" src=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/composicion-piezas-grafeno-1-2017_07_24-11_28_55-UTC.jpg\" alt=\"\" class=\"wp-image-162 size-full\" srcset=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/composicion-piezas-grafeno-1-2017_07_24-11_28_55-UTC.jpg 555w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/composicion-piezas-grafeno-1-2017_07_24-11_28_55-UTC-300x300.jpg 300w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/composicion-piezas-grafeno-1-2017_07_24-11_28_55-UTC-150x150.jpg 150w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<ul class=\"wp-block-list\"><li>UHTCs and refractory alloys-based feedstock materials for AM processes (DIW, DLP, DED, etc.) will be developed for fabrication of microchanneled parts.<\/li><li>ACTS developed in this project will require smaller thicknesses to reduce the internal temperature to the required operating levels and be more lightweight since part of the required volume will be occupied by the microchannel network.<\/li><li>An optimal compromise between weight and volume savings and coolant flow requirements will be sought since the weight\/volume of the coolant and cooling system itself must be considered.<\/li><\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\" style=\"grid-template-columns:auto 25%\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"757\" height=\"1024\" src=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/FGM-4-757x1024.png\" alt=\"\" class=\"wp-image-172 size-full\" srcset=\"https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/FGM-4-757x1024.png 757w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/FGM-4-222x300.png 222w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/FGM-4-768x1038.png 768w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/FGM-4-1136x1536.png 1136w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/FGM-4-1515x2048.png 1515w, https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/FGM-4.png 1602w\" sizes=\"auto, (max-width: 757px) 100vw, 757px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<ul class=\"wp-block-list\"><li>Material composition in UHTCs will be optimized (e.g., through addition of reinforcements) to further minimize oxidation and maximize mechanical strength and toughness.<\/li><li>ACTS designs with Functionaly Graded Material (FGM) structure combining UHTCs and refractory alloys will be developed by AM, trying to efficiently combine the advantages in terms of oxidation, mechanical and thermal properties of both groups of materials.<\/li><li>An optimal compromise between weight and volume savings and coolant flow requirements will be sought since the weight\/volume of the coolant and cooling system itself must be considered.<\/li><li>Effect of cooling on ablation and oxidation rates under re-entry simulated conditions on the ACTS systems will be evaluated and key strategies to minimize degradation will be identified.<\/li><\/ul>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"> <\/h2>\n\n\n\n<p>As expected of any research project, the scientific results would be disseminated both within the scientific community as joint<a href=\"https:\/\/am-acts.eu\/?page_id=36\" data-type=\"page\" data-id=\"36\"> publications<\/a> in internationally reputed journals, communications at scientific conferences and technological fairs, as well as <a href=\"https:\/\/am-acts.eu\/?page_id=36\" data-type=\"page\" data-id=\"36\">to the broader public<\/a>. Technological innovations resulting from the project would be protected and spread through companies and international and European networks in the field of materials, advance manufacturing, aerospace and energy, searching for additional strategic partners to further advance the ACTS concept after completion of the project, and for their ulterior commercial exploitation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>AM-ACTS Objectives In line with the goals of both M-ERA.Net and Horizon Europe Work Strategic Plan 2021-2024, the main objective of AM-ACTS project is to develop novel high-performance Actively Cooled Thermal Shields (ACTS) through additive manufacturing of lightweight microchanneled parts from ultra-high temperature ceramics (UHTCs) and\/or refractory metals which could be used, for example, in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-35","page","type-page","status-publish","has-post-thumbnail","hentry"],"guten_post_layout_featured_media_urls":{"full":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",1891,1039,false],"thumbnail":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-150x150.png",150,150,true],"medium":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-300x165.png",300,165,true],"medium_large":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-768x422.png",640,352,true],"large":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-1024x563.png",640,352,true],"1536x1536":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-1536x844.png",1536,844,true],"2048x2048":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",1891,1039,false],"guten_post_layout_landscape_large":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",1200,659,false],"guten_post_layout_portrait_large":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",1200,659,false],"guten_post_layout_square_large":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",1200,659,false],"guten_post_layout_landscape":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",600,330,false],"guten_post_layout_portrait":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",600,330,false],"guten_post_layout_square":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry.png",600,330,false],"sciencexlite-blog-thumb":["https:\/\/am-acts.eu\/wp-content\/uploads\/2022\/09\/Atmospheric-reentry-100x80.png",100,80,true]},"_links":{"self":[{"href":"https:\/\/am-acts.eu\/index.php?rest_route=\/wp\/v2\/pages\/35","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-acts.eu\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/am-acts.eu\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/am-acts.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/am-acts.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=35"}],"version-history":[{"count":26,"href":"https:\/\/am-acts.eu\/index.php?rest_route=\/wp\/v2\/pages\/35\/revisions"}],"predecessor-version":[{"id":173,"href":"https:\/\/am-acts.eu\/index.php?rest_route=\/wp\/v2\/pages\/35\/revisions\/173"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/am-acts.eu\/index.php?rest_route=\/wp\/v2\/media\/19"}],"wp:attachment":[{"href":"https:\/\/am-acts.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=35"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}