{"id":29443,"date":"2018-10-26T10:40:21","date_gmt":"2018-10-26T05:10:21","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=29443"},"modified":"2018-10-26T10:40:21","modified_gmt":"2018-10-26T05:10:21","slug":"isro-making-green-propellant","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/isro-making-green-propellant\/","title":{"rendered":"ISRO making green propellant"},"content":{"rendered":"<p><a href=\"http:\/\/www.thehindu.com\/sci-tech\/science\/isro-making-green-propellant\/article23874464.ece\">ISRO making green propellant<\/a><\/p>\n<p>ISRO; Science and technology<\/p>\n<p><strong><u>News:<\/u><\/strong><\/p>\n<ol>\n<li>Indian Space Research Organisation (ISRO)\u00a0seeks to replace hydrazine fuel with an environmental-friendly propellant to power satellites and spacecrafts<\/li>\n<\/ol>\n<p><strong><u>Important Facts:<\/u><\/strong><\/p>\n<ol>\n<li>ISRO is working to replace hydrazine with hydroxylammonium nitrate based (HAN) monopropellant<\/li>\n<li>Monopropellant is a chemical propulsion fuel which does not require separate oxidizer. It is used in satellite thrusters for orbital correction and orientation control<\/li>\n<li><u>Advantages of using Hydrazine<\/u><\/li>\n<\/ol>\n<ul>\n<li><strong>High performance characteristics<\/strong>: \u00a0one of the highest specific impulses (kilogram of thrust obtained by consumption of 1 kg of propellant in 1 sec). Therefore, despite hazards, has been preferred as propellant.<\/li>\n<\/ul>\n<p><u>Disadvantages of using Hydrazine:<\/u><\/p>\n<ul>\n<li>Highly corrosive<\/li>\n<li>Carcinogenic and Toxic<\/li>\n<li>Storage and handling issues<\/li>\n<\/ul>\n<ol>\n<li>The HAN-based monopropellant has been formulated by researchers at <strong>Liquid Propulsion Systems Centre (LPSC) <\/strong><\/li>\n<li>The formulation consists of HAN, ammonium nitrate, methanol and water<\/li>\n<li><u>Advantages Of HAN-based Propellants over Hydrazine Propellants<\/u>:<\/li>\n<\/ol>\n<ul>\n<li>Less toxic than hydrazine<\/li>\n<li>Performance: Higher density (1.4 to 1.5 g\/cm<sup>3<\/sup>) than hydrazine propellants (1.0g\/cm<sup>3<\/sup>)<\/li>\n<li>Safety: Non-combustible, hence, a safer alternative<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ISRO making green propellant ISRO; Science and technology News: Indian Space Research Organisation (ISRO)\u00a0seeks to replace hydrazine fuel with an environmental-friendly propellant to power satellites and spacecrafts Important Facts: ISRO is working to replace hydrazine with hydroxylammonium nitrate based (HAN) monopropellant Monopropellant is a chemical propulsion fuel which does not require separate oxidizer. It is&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/isro-making-green-propellant\/\">Continue reading <span class=\"screen-reader-text\">ISRO making green propellant<\/span><\/a><\/p>\n","protected":false},"author":61,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[555],"tags":[],"class_list":["post-29443","post","type-post","status-publish","format-standard","hentry","category-test-1","entry"],"jetpack_featured_media_url":"","views":{"total":67,"cached_at":""},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/29443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/61"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=29443"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/29443\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=29443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=29443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=29443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}