{"id":12142,"date":"2026-04-15T11:02:25","date_gmt":"2026-04-15T09:02:25","guid":{"rendered":"https:\/\/ikv-aachen.de\/student-research-theses\/simulation-based-barrier-optimisation-for-pcr-packaging\/"},"modified":"2026-04-15T11:27:10","modified_gmt":"2026-04-15T09:27:10","slug":"simulation-based-barrier-optimisation-for-pcr-packaging","status":"publish","type":"cpt_ikv_srt","link":"https:\/\/ikv-aachen.de\/en\/student-research-theses\/simulation-based-barrier-optimisation-for-pcr-packaging\/","title":{"rendered":"Simulation-based barrier optimisation for PCR packaging"},"content":{"rendered":"<style type=\"text\/css\">\n    #single-header-block_9049206aaedddab06efd3c11f39a4fa2 .swiperThumbsNavi .swiper-slide {\n        opacity: 0.4;\n    }\n\n    #single-header-block_9049206aaedddab06efd3c11f39a4fa2 .swiperThumbsNavi .swiper-slide-thumb-active {\n        opacity: 1;\n    }\n<\/style>\n    <section id=\"single-header-block_9049206aaedddab06efd3c11f39a4fa2\" class=\"block-single-header theGridWrapper \">\n        <div class=\"theGrid12\">\n            <div class=\" col-start-2 col-span-10 md:col-start-3  md:col-span-8\">\n                <h2 class=\"font-serif font-semibold text-blue text-sm w-4\/5\">\n                    Bachelor&#8217;s thesis or master&#8217;s thesis                <\/h2>\n                                                    <div class=\"skewToMiddle\">\n                        <div class=\"relative  text-blue text-sm font after:border-2  after:border-blue rounded-xl bg-green-lighter  p-base -rotate-6 my-xl  after:block after:absolute after:w-full after:h-full after: after:-z-10 after:rounded-xl after:rotate-1  after:box-content  after:-top-2xs after:-left-2xs after:bg-blend-multiply  leading-snug \">\n                            <div class=\"skewToMiddleInner\">\n                                The aim of this thesis is to develop and apply a simulation model for the analysis and optimisation of process gas distribution in hollow bodies made from PCR-based packaging materials.                            <\/div>\n                        <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n    <\/section>\n\n\n<figure class=\" relative flex flex-col gap-2xs mb-xs md:mb-l xl:mb-xl\"><img decoding=\"async\"  class=\" w-full  \"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Simulationsgestuetzte-Barriereoptimierung-fuer-PCR-Verpackungen.png\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Simulationsgestuetzte-Barriereoptimierung-fuer-PCR-Verpackungen-748x499.png 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Simulationsgestuetzte-Barriereoptimierung-fuer-PCR-Verpackungen-1536x1024.png 1536w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Simulationsgestuetzte-Barriereoptimierung-fuer-PCR-Verpackungen-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" width=\"1536\" height=\"1024\" alt=\"Stuwi-Simulationsgest\u00fctzte Barriereoptimierung f\u00fcr PCR-Verpackungen\" loading=\"lazy\" \/><span class=\" text-copyright order-3 justify-end text-right w-full  w-full \">&copy; IKV<\/span><figcaption class=\" w-full  text-figcaption justify-end text-right \">Fig. 1: Illustration of an iterative approach to the development of functional thin films using a PECVD process.<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\">Thematic Classification of your Thesis:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The packaging industry faces a significant regulatory and technological challenge: Starting 2030, manufacturers will be required to incorporate a specified minimum proportion of recycled content in packaging. This mandate aims to reduce resource consumption and to strengthen the circular economy within the field of plastic packaging.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In practice, there are currently limitations associated with post-consumer recycled (PCR) materials, particularly regarding the necessary barrier properties. Of primary concern is the reliable retention of potentially migrating substances, which is critical for a wide range of packaging applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Against this backdrop, our plasma research group aims to enhance the barrier performance of PCR-based packaging materials through the targeted application of plasma technology. The focus lies on the development of effective migration barriers, enabling the safe use of recycled materials in demanding packaging systems. The objective is to provide industry with a technologically robust and economically viable solution that consistently meets required quality and safety standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Despite our extensive expertise in the development of barrier coatings, there remains substantial potential for technological advancement. The process gas required for the PECVD process is introduced into the substrate to be coated via gas lances. In order to ensure a homogeneous gas distribution, which is essential for the uniform formation of the barrier layer, a fluid-dynamic optimisation of the gas lances is required.This approach enables a significant enhancement of the barrier layer performance.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Scope of your Thesis:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In this thesis, a simulation model will be developed to describe the gas distribution in hollow-body samples coated in our plasma reactor using PECVD. The objective is to model and evaluate the flow and distribution characteristics of the process gases in order to ensure the most homogeneous possible gas distribution within the hollow bodies. To this end, various geometries will be investigated, with particular emphasis on systematically varying the gas inlet configuration to achieve a uniform and efficient flow throughout the interior of the hollow bodies. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the stepwise development and improved understanding of the model, simplified cylindrical geometries will initially be simulated. Building on these results, the approach will then be extended to more complex hollow body structures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, the developed model will be experimentally validated using one of our reactors, allowing the simulation results to be compared with real process conditions and their predictive accuracy to be assessed. Depending on the scope of the project, the methodology may further be applied to additional complex geometries, which will also be experimentally validated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I will assist you in familiarising yourself with the broad field of plasma coatings and take your creative ideas into consideration. Close supervision is essential, particularly for thesis projects, and will serve as the foundation for your successful completion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Work Packages:<\/h3>\n\n\n<style type=\"text\/css\">#table-from-csv-block_f2dc371c2a9a4db4b599047abb9ece4b table:not(thead) td:before { content: attr(data-col-name); }\n<\/style><section id=\"table-from-csv-block_f2dc371c2a9a4db4b599047abb9ece4b\" class=\"block-table-from-csv theGridWrapper  text-sm   \">\n\n<table class='w-full gap-xs hyphens-none text-wrap '>\n\n<thead class='font-semibold font-serif hidden text-blue  lg:table-row-group'>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal   '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor`s thesis, you will address the following tasks:' >For a Bachelor`s thesis, you will address the following tasks:<\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='\tAdditionally for a Master`s thesis:' >\tAdditionally for a Master`s thesis:<\/td>\n<\/tr>\n<\/thead><tbody>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal     odd:bg-green-lighter even:bg-green-lightest py-xs '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor`s thesis, you will address the following tasks:' >Development of a simulation model to describe gas distribution within a cylindrical hollow body<\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='\tAdditionally for a Master`s thesis:' >Extension and adaptation of the model to more complex geometries, including the investigation of gas flow in close proximity to the walls<\/td>\n\t<\/tr>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal     odd:bg-green-lighter even:bg-green-lightest py-xs '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor`s thesis, you will address the following tasks:' >Experimental validation of the developed simulation model<\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='\tAdditionally for a Master`s thesis:' >\tExperimental verification of the simulation results for the extended geometries<\/td>\n\t<\/tr>\n\n<\/tbody>\n<\/table>\n\n<\/section>\n\n\n<p class=\"wp-block-paragraph\">The specific content and timeline of your thesis will, of course, be determined in consultation with you, taking your prior knowledge into account.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Your Profile:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Technical or scientific degree (e.g. mechanical engineering, industrial engineering, materials science, environmental engineering&#8230;)<\/li>\n\n\n\n<li>Willingness to learn and familiarize yourself with new problems relating to plasma technology<\/li>\n\n\n\n<li>Independent and structured way of working<\/li>\n\n\n\n<li>Initial experience in a laboratory environment is desirable, but not necessary<\/li>\n\n\n\n<li>\u00b7 Initial experience with simulation work is desirable, but not essential<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">AG Plasma offers you a dynamic, young team in which you and your skills can grow during the course of your thesis, with clear objectives and diverse tasks. If you are interested in contributing to the field of plastics processing with your creative ideas, please feel free to get in touch with me!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The aim of this thesis is to develop and apply a simulation model for the analysis and optimisation of process gas distribution in hollow bodies made from PCR-based packaging materials. <\/p>\n","protected":false},"featured_media":12141,"parent":0,"template":"","srtk":[807,808],"research_fields":[842,841,1174],"esl":[683,685],"class_list":["post-12142","cpt_ikv_srt","type-cpt_ikv_srt","status-publish","has-post-thumbnail","hentry","srtk-bachelor-thesis","srtk-master-thesis","research_fields-plasma-technology","research_fields-analysis-and-testing-of-plastics","research_fields-simulation-en","esl-experimental","esl-simulative"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Simulation-based 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