{"id":16881,"date":"2024-05-16T12:56:47","date_gmt":"2024-05-16T12:56:47","guid":{"rendered":"https:\/\/aerospacerepository.org\/?p=16881"},"modified":"2025-09-15T13:41:25","modified_gmt":"2025-09-15T13:41:25","slug":"numerical-study-on-post-combustion-chamber-impact-on-hybrid-rocket-performance","status":"publish","type":"post","link":"https:\/\/aerospacerepository.org\/index.php\/2024\/05\/16\/numerical-study-on-post-combustion-chamber-impact-on-hybrid-rocket-performance\/","title":{"rendered":"Numerical Study on Post-Combustion Chamber Impact on Hybrid Rocket Performance"},"content":{"rendered":"\n<p><strong>Andrija DABANOVIC, Jo\u00ebl MARTIN, Stefan MAY, Viola WARTEMANN<\/strong><\/p>\n\n\n\n<p><strong>DOI Number: N\/A<\/strong><\/p>\n\n\n\n<p><strong>Conference number: HiSST-2024-120<\/strong><\/p>\n\n\n\n<p>In chemical propulsion, propellant masses are generally the largest part of the overall weight. Hence,<br>combustion efficiency is a key aspect of the system\u2019s performance and small improvements within the<br>combustion process can result in significant changes in project costs or mission longevity. To analyze<br>detailed chemical and physical processes, direct measurements are cost-intensive and limited to lab-<br>scale devices. Numerical investigations have therefore become a widely used tool to simulate the inner<br>flow and combustion of propulsion systems. In hybrid rocket engines, post-combustion chambers are<br>used to improve the mixing and combustion process. Nevertheless, these components imply additional<br>structural mass and engine length. This study analyzes the influence of different post-combustion<br>chamber lengths on the combustion efficiency. The simulations were performed in two-dimensional,<br>axisymmetric domains with fuel mass flow and detailed combustion modeling. The efficiency is shown<br>to increase linearly with increasing post-chamber length. However, it is significantly influenced by<br>turbulator components. With these results, the qualitative influence of post-combustion chambers is<br>analyzed, enabling optimization of engine design while ensuring sufficient combustion efficiency.<\/p>\n\n\n\n<p><a href=\"https:\/\/aerospacerepository.org\/wp-content\/uploads\/2024\/05\/HiSST-2024-120.pdf\">Read the full paper here<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Andrija DABANOVIC, Jo\u00ebl MARTIN, Stefan MAY, Viola WARTEMANN<\/b><\/p>\n<p>DOI Number: N\/A<\/p>\n<p>Conference number: HiSST-2024-120<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[993,1407,1414],"tags":[1033,1605,1607,1606],"class_list":["post-16881","post","type-post","status-publish","format-standard","hentry","category-events","category-11-hisst-2024","category-propulsion-systems-and-components-11-hisst-2024","tag-computational-fluid-dynamics","tag-hybrid-rocket-propulsion","tag-numerical-simulations","tag-post-combustor-design","category-993","category-1407","category-1414","description-off"],"_links":{"self":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/16881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/comments?post=16881"}],"version-history":[{"count":2,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/16881\/revisions"}],"predecessor-version":[{"id":20924,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/16881\/revisions\/20924"}],"wp:attachment":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/media?parent=16881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/categories?post=16881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/tags?post=16881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}