{"id":219,"date":"2021-10-11T11:22:00","date_gmt":"2021-10-11T09:22:00","guid":{"rendered":"http:\/\/oscar-iss.space\/?p=219"},"modified":"2021-10-11T11:46:34","modified_gmt":"2021-10-11T09:46:34","slug":"bulletin-2","status":"publish","type":"post","link":"https:\/\/oscar-iss.space\/index.php\/2021\/10\/11\/bulletin-2\/","title":{"rendered":"Bulletin #2"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.10.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(0,0,0,0)&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.10.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.10.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; text_orientation=&#8221;justified&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Le dispositif artistique imagin\u00e9 par St\u00e9phane Thidet fait dor\u00e9navant partie, aux c\u00f4t\u00e9s d\u2019IR-COASTER et de plusieurs exp\u00e9riences scientifiques, du projet spatial EMA (Euro Material Ageing), port\u00e9 par l\u2019agence spatiale europ\u00e9enne, qui \u00e9tudie le vieillissement de la mati\u00e8re au-del\u00e0 de l\u2019atmosph\u00e8re terrestre. \u00c0 ce titre, il suivra le m\u00eame processus de d\u00e9veloppement, en lien avec l\u2019ensemble des acteurs scientifiques et industriels impliqu\u00e9s dans ce projet spatial. La premi\u00e8re \u00e9tape consiste \u00e0 d\u00e9terminer l\u2019architecture d\u00e9finitive de ce dispositif.<\/p>\n<p>&nbsp;<\/p>\n<p>Pour ce faire, la lutherie des instruments con\u00e7us par St\u00e9phane Thidet associera cr\u00e9ation artistique et recherche spatiale. Ces derniers cohabiteront avec l\u2019exp\u00e9rience IR-COASTER et partageront les donn\u00e9es scientifiques r\u00e9colt\u00e9es tout au long du voyage orbital, pour g\u00e9n\u00e9rer une partition musicale qui traduirait les variations du milieu spatial. Le dispositif scientifique viendra \u00e9galement nourrir le dispositif artistique, avec un microphone qui enregistrera les vibrations produites par IR-COASTER, afin d\u2019enrichir la partition musicale avec des \u00e9v\u00e9nements musicaux spontan\u00e9s. Apr\u00e8s leur retour sur Terre, ces deux dispositifs restitueront leur exp\u00e9rience de vol commune de deux mani\u00e8res diff\u00e9rentes\u00a0: via un ensemble d\u2019interpr\u00e9tations artistiques pour l\u2019\u0153uvre de St\u00e9phane Thidet, et via l\u2019analyse scientifique des \u00e9quipes du laboratoire LISA pour IR-COASTER.<\/p>\n<p>&nbsp;<\/p>\n<p>Au fil des \u00e9changes avec l\u2019\u00e9quipe du laboratoire LISA, le concept des lames pi\u00e9zo\u00e9lectriques est abandonn\u00e9, au profit de ressorts \u00e0 m\u00e9moire de forme, plus simples \u00e0 fabriquer et permettant une plus grande diversit\u00e9 de variations. Par cons\u00e9quent, l\u2019\u00ab harmonica \u00bb est renomm\u00e9 \u00ab orgue \u00bb. Celui-ci sera compos\u00e9 de 6 ressorts dispos\u00e9s dans des glissi\u00e8res : chaque glissi\u00e8re comprendra deux ressorts (un ressort \u00e0 m\u00e9moire de forme et un contre-ressort m\u00e9canique).<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/oscar-iss.space\/wp-content\/uploads\/2021\/09\/orgue.jpg&#8221; alt=&#8221;R\u00e9union de pr\u00e9sentation de l&#8217;Orgue&#8221; title_text=&#8221;orgue&#8221; show_in_lightbox=&#8221;on&#8221; admin_label=&#8221;Image R\u00e9union de pr\u00e9sentation de l&#8217;Orgue&#8221; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<blockquote>\n<p>Dessin pr\u00e9paratoire de \u00ab l&#8217;orgue\u00bb, 2020 \u00a9St\u00e9phane Thidet<\/p>\n<\/blockquote>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.10.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>\u00a0\u00c0 la suite de cette d\u00e9cision, le cahier des charges pour la fabrication se pr\u00e9cise. Comme l\u2019ensemble des objets embarqu\u00e9s sur la station spatiale internationale (ISS), l\u2019orgue ne devra comporter ni arr\u00eate ni angle droit, mais uniquement des formes arrondies et organiques, pour limiter les risques de blessure ou de casse. Par ailleurs, la partie de l\u2019instrument qui sera expos\u00e9e au rayonnement solaire devra \u00eatre m\u00e9tallique, pour \u00e9viter un d\u00e9gazage qui pourrait fausser les r\u00e9sultats des exp\u00e9riences scientifiques voisines. En travaillant \u00e0 partir de ces contraintes, St\u00e9phane Thidet r\u00e9alise une premi\u00e8re maquette de l\u2019orgue, \u00e0 partir d\u2019une planche de bois et de billes recouvertes de feuilles d\u2019or.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/oscar-iss.space\/wp-content\/uploads\/2021\/09\/Fabrication_v1_a.jpg&#8221; alt=&#8221;Fabrication orgue v1&#8243; title_text=&#8221;Fabrication_v1_a&#8221; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/oscar-iss.space\/wp-content\/uploads\/2021\/09\/Fabrication_v1_b.jpg&#8221; alt=&#8221;Fabrication orgue v1&#8243; title_text=&#8221;Fabrication_v1_b&#8221; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.10.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<blockquote>\n<p>Fabrication de la premi\u00e8re maquette de l\u2019orgue dans l\u2019atelier de St\u00e9phane Thidet, 2020. \u00a9St\u00e9phane Thidet<\/p>\n<\/blockquote>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/oscar-iss.space\/wp-content\/uploads\/2021\/09\/Orgue_v1.jpg&#8221; alt=&#8221;Orgue v1&#8243; title_text=&#8221;Orgue_v1&#8243; show_in_lightbox=&#8221;on&#8221; admin_label=&#8221;Image R\u00e9union de pr\u00e9sentation de l&#8217;Orgue&#8221; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<blockquote>\n<p>Orgue, v1 (30 cm x 15 cm x 3 cm), 2020. \u00a9St\u00e9phane Thidet<\/p>\n<\/blockquote>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.10.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><span style=\"font-size: 13px;\">Le principe de ce design est valid\u00e9 par le laboratoire LISA, \u00e0 l\u2019exception de la couleur du rev\u00eatement, qui devra \u00eatre mate et fonc\u00e9e, afin d\u2019emp\u00eacher tout effet r\u00e9fl\u00e9chissant et d\u2019absorber un maximum de chaleur pour faire bouger les ressorts. De ce fait, St\u00e9phane Thidet r\u00e9alise une deuxi\u00e8me maquette avec un nouveau rev\u00eatement plus adapt\u00e9.<\/span><\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/oscar-iss.space\/wp-content\/uploads\/2021\/09\/Orgue_v2.jpg&#8221; alt=&#8221;Orgue v2&#8243; title_text=&#8221;Orgue_v2&#8243; show_in_lightbox=&#8221;on&#8221; admin_label=&#8221;Image R\u00e9union de pr\u00e9sentation de l&#8217;Orgue&#8221; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<blockquote>\n<p>Orgue, deuxi\u00e8me version, 2020. \u00a9St\u00e9phane Thidet<\/p>\n<\/blockquote>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.11.1&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>En vue d\u2019entamer la fabrication d\u2019un prototype et de r\u00e9aliser une premi\u00e8re s\u00e9rie d\u2019essais pour valider le fonctionnement de cet instrument, l\u2019architecture de l\u2019orgue devra \u00eatre valid\u00e9e par le CNES et l\u2019agence spatiale europ\u00e9enne lors d\u2019une revue pr\u00e9liminaire, qui examineront la compatibilit\u00e9 de l\u2019instrument avec les contraintes de s\u00e9curit\u00e9 de l\u2019ISS.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_3,1_3,1_3&#8243; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; custom_padding=&#8221;0px||||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_post_nav in_same_term=&#8221;on&#8221; show_prev=&#8221;off&#8221; next_text=&#8221;Bulletin Pr\u00e9c\u00e9dent&#8221; _builder_version=&#8221;4.10.6&#8243; _module_preset=&#8221;default&#8221; title_font=&#8221;Alata|||on|||||&#8221; title_text_color=&#8221;#486482&#8243; title_font_size=&#8221;13px&#8221; title_letter_spacing=&#8221;2px&#8221; title_line_height=&#8221;3em&#8221; custom_css_next_link_arrow=&#8221;display:none;&#8221; border_radii=&#8221;on|3px|3px|3px|3px&#8221; border_color_all=&#8221;rgba(72,100,130,0.93)&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_post_nav][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_button button_url=&#8221;https:\/\/oscar-iss.space\/index.php\/journal-dune-experience-artistique-2\/&#8221; button_text=&#8221;Retour au journal&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.10.6&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_use_icon=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.10.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_post_nav in_same_term=&#8221;on&#8221; show_next=&#8221;off&#8221; prev_text=&#8221;Bulletin Suivant&#8221; _builder_version=&#8221;4.10.6&#8243; _module_preset=&#8221;default&#8221; title_font=&#8221;Alata|||on|||||&#8221; title_text_color=&#8221;#486482&#8243; title_font_size=&#8221;13px&#8221; title_letter_spacing=&#8221;2px&#8221; title_line_height=&#8221;3em&#8221; custom_css_prev_link_arrow=&#8221;display:none;&#8221; border_radii=&#8221;on|3px|3px|3px|3px&#8221; border_color_all=&#8221;rgba(72,100,130,0.93)&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_post_nav][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le dispositif artistique imagin\u00e9 par St\u00e9phane Thidet fait dor\u00e9navant partie, aux c\u00f4t\u00e9s d\u2019IR-COASTER et de plusieurs exp\u00e9riences scientifiques, du projet spatial EMA (Euro Material Ageing), port\u00e9 par l\u2019agence spatiale europ\u00e9enne, qui \u00e9tudie le vieillissement de la mati\u00e8re au-del\u00e0 de l\u2019atmosph\u00e8re terrestre. \u00c0 ce titre, il suivra le m\u00eame processus de d\u00e9veloppement, en lien avec l\u2019ensemble [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":236398,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"1080"},"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.4 - 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