{"id":298634,"date":"2024-06-07T17:52:21","date_gmt":"2024-06-07T12:22:21","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=298634"},"modified":"2024-06-07T17:54:32","modified_gmt":"2024-06-07T12:24:32","slug":"pravaha-software","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/pravaha-software\/","title":{"rendered":"PraVaHa software"},"content":{"rendered":"

Source-<\/strong>This post on PraVaHa software<\/strong> has been created based on the article \u201cISRO develops PraVaHa software for aerodynamic design and analysis\u201d<\/a> <\/strong>published in\u00a0\u201cThe Hindu\u201d<\/strong> on 7 June 2024.<\/p>\n

Why in News?<\/h2>\n

The Indian Space Research Organisation (ISRO) recently developed PraVaHa, a Computational Fluid Dynamics (CFD) software.<\/p>\n

About PraVaHa software<\/h2>\n\n\n\n\n\n\n
Aspects<\/strong><\/td>\nDescription<\/strong><\/td>\n<\/tr>\n
About<\/strong><\/td>\n1. PraVaHa is a software developed by ISRO’s Vikram Sarabhai Space Centre (VSSC)<\/span> for analyzing the aerodynamics and thermodynamics of aerospace vehicles.<\/span>
\n2. This software, known as a Computational Fluid Dynamics (CFD) tool<\/span>\u00a0helps simulate the flow of air around various vehicles like rockets and re-entry vehicles (both with and without wings).<\/td>\n<\/tr>\n
Aim<\/strong><\/td>\n1. PraVaHa aims to take over most of the CFD simulations for aerospace vehicle design<\/span>, currently done using commercial software.
\n2. This means it could become a primary tool for designing missiles, aircraft, and rockets,<\/span> providing solutions to complex aerodynamic problems.<\/td>\n<\/tr>\n
Applications of PraVaHa<\/td>\n1. Gaganyaan Program:<\/strong> PraVaHa is crucial in analyzing the aerodynamics of human-rated launch vehicles<\/span>, including HLVM3, Crew Escape System (CES), and Crew Module (CM).
\n2. Collaborative Development:<\/strong> It\u2019s designed to be secure and flexible<\/span>, allowing academic institutions and government labs to work together on developments.
\n3. Simulation Capabilities:<\/strong> Currently, PraVaHa can simulate airflow in both perfect gas and real gas conditions<\/span>. Work is ongoing to extend its capabilities to simulate chemical reactions, such as those occurring during re-entry into Earth’s atmosphere and in scramjet engines.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Importance of Computational Fluid Dynamics (CFD):<\/h2>\n

i) Design Studies:<\/strong> Initial design studies for launch vehicles require evaluating many different configurations<\/span> to find the best one.<\/p>\n

ii) Aerodynamic Loads:<\/strong> Aerospace vehicles face extreme aerodynamic and thermal loads<\/span> (pressure and heat) during launch and re-entry into Earth’s atmosphere.<\/p>\n

iii) Flow Understanding:<\/strong> Understanding how air flows around vehicles like rockets or crew modules during re-entry is crucial for designing their shape, structure, and thermal protection systems<\/span> (TPS).<\/p>\n

iv) Unsteady Aerodynamics:<\/strong> The unsteady (changing) part of aerodynamics can cause serious flow issues and significant noise<\/span> during a mission.<\/p>\n

UPSC Syllabus:\u00a0Science and technology<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Source-This post on PraVaHa software has been created based on the article \u201cISRO develops PraVaHa software for aerodynamic design and analysis\u201d published in\u00a0\u201cThe Hindu\u201d on 7 June 2024. Why in News? The Indian Space Research Organisation (ISRO) recently developed PraVaHa, a Computational Fluid Dynamics (CFD) software. About PraVaHa software Aspects Description About 1. PraVaHa is… Continue reading PraVaHa software<\/span><\/a><\/p>\n","protected":false},"author":10366,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738],"tags":[11872,10498],"class_list":["post-298634","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","tag-9pm-daily-factly","tag-the-hindu","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/298634","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\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=298634"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/298634\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=298634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=298634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=298634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}