{"id":157,"date":"2026-03-24T20:53:43","date_gmt":"2026-03-24T20:53:43","guid":{"rendered":"https:\/\/me2.bilkent.edu.tr\/?p=157"},"modified":"2026-03-25T01:14:28","modified_gmt":"2026-03-25T01:14:28","slug":"konusmaci-irmak-taylan-karpuzcu","status":"publish","type":"post","link":"https:\/\/me2.bilkent.edu.tr\/?p=157","title":{"rendered":"Konu\u015fmac\u0131: Irmak Taylan Karpuzcu Doktora Aday\u0131, Havac\u0131l\u0131k ve Uzay M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc, University of Illinois at Urbana-Champaign, Illinois, ABD."},"content":{"rendered":"\n

Y\u00fcksek H\u0131zl\u0131 Ak\u0131\u015flar\u0131n Kinetik \u0130ncelenmesi: Denge-D\u0131\u015f\u0131, Termokimya ve Kararl\u0131l\u0131k Hususlar\u0131<\/strong>
Tarih:<\/strong> 6 Mart 2026 (Cuma)
Saat: <\/strong>13:30
Yer:<\/strong> EA-101<\/p>\n\n\n\n

\u00d6ZET<\/strong><\/p>\n\n\n\n

Bu konu\u015fma, y\u00fcksek irtifalardaki y\u00fcksek h\u0131zl\u0131 ak\u0131\u015flar\u0131n kapsaml\u0131 bir kinetik analizini sunmakta ve denge-d\u0131\u015f\u0131 olgular ile ak\u0131\u015f karars\u0131zl\u0131klar\u0131n\u0131n yakalanmas\u0131nda y\u00fcksek do\u011fruluklu say\u0131sal y\u00f6ntemlerin kritik rol\u00fcn\u00fc vurgulamaktad\u0131r. Sunum iki ana b\u00f6l\u00fcmden olu\u015fmaktad\u0131r: kinetik y\u00f6ntemlerin etkin ara\u00e7lar olarak kullan\u0131labilece\u011fi kapsam\u0131 g\u00f6stermek \u00fczere denge-d\u0131\u015f\u0131 termokimya ve karars\u0131zl\u0131k incelemeleri.<\/p>\n\n\n\n

\u0130lk b\u00f6l\u00fcm, hipersonik ak\u0131\u015flarda nitrik oksit (NO) ultraviyole (UV) emisyonlar\u0131n\u0131n incelenmesine odaklanmaktad\u0131r. Bu emisyonlar, yer test tesislerindeki lazer \u00f6l\u00e7\u00fcmleri ve hipersonik hava ara\u00e7lar\u0131n\u0131n u\u00e7u\u015f testleri i\u00e7in y\u00fcksek do\u011fruluklu termokimyasal modellerin titiz bir do\u011frulama arac\u0131 niteli\u011findedir. \u00c7arp\u0131\u015fmal\u0131-\u0131\u015f\u0131mal\u0131 modeller, Direct Simulation Monte Carlo (DSMC) ak\u0131\u015f alanlar\u0131na uygulanan quasi-steady-state (QSS) ve overlay mass transport (MassTR) yakla\u015f\u0131mlar\u0131 kullan\u0131larak N2 ve NO\u2019nun UV \u0131\u015f\u0131n\u0131m \u00f6zelliklerini belirlemede kritik \u00f6neme sahip elektronik kuantum durum pop\u00fclasyonlar\u0131n\u0131 tahmin etmek \u00fczere olu\u015fturulmu\u015ftur. Sonu\u00e7lar, elektronik kuantum durumlar\u0131n\u0131n olu\u015fumu ile ak\u0131\u015f ta\u015f\u0131n\u0131m\u0131n\u0131n birlikte ele al\u0131nmas\u0131n\u0131n \u2014 ki bu \u00f6zellik d\u00fc\u015f\u00fck do\u011fruluklu modellerde \u00e7o\u011fu zaman basitle\u015ftirilir \u2014 genle\u015fme ve iz b\u00f6lgelerinde \u00f6nemli \u00f6l\u00e7\u00fcde daha y\u00fcksek pop\u00fclasyonlara ve dolay\u0131s\u0131yla daha g\u00fc\u00e7l\u00fc \u0131\u015f\u0131n\u0131ma yol a\u00e7t\u0131\u011f\u0131n\u0131 g\u00f6stermektedir. Ayr\u0131ca \u00e7al\u0131\u015fma, NO emisyon profillerinin oksijen ayr\u0131\u015fma modellerine ve titre\u015fimsel tercih mekanizmalar\u0131na duyarl\u0131l\u0131\u011f\u0131n\u0131 ortaya koyarak, \u0131\u015f\u0131n\u0131m imzalar\u0131n\u0131n do\u011fru tahmini i\u00e7in ayr\u0131nt\u0131l\u0131 kinetik tan\u0131mlar\u0131n gereklili\u011fini vurgulamaktad\u0131r. Bu \u0131\u015f\u0131n\u0131m imzalar\u0131n\u0131n do\u011fru tahmini, atmosfere yeniden giri\u015f yapan uzay ara\u00e7lar\u0131nda \u0131s\u0131l koruma sistemlerinin tasar\u0131m\u0131 ve ileti\u015fim kesintisinin azalt\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan kritik \u00f6neme sahiptir.<\/p>\n\n\n\n

\u0130kinci b\u00f6l\u00fcm, s\u00fcpersonik ve hipersonik ara\u00e7larda yayg\u0131n bir geometri olan y\u00fcksek h\u0131zl\u0131 s\u0131k\u0131\u015ft\u0131rma rampas\u0131 ak\u0131\u015flar\u0131nda ak\u0131\u015f d\u00fczensizliklerini ve kararl\u0131l\u0131\u011f\u0131 incelemektedir. Bu ak\u0131\u015flar; \u015foklar, kayma tabakalar\u0131 ve b\u00fcy\u00fck ayr\u0131lma b\u00f6lgeleri aras\u0131ndaki karma\u015f\u0131k etkile\u015fimleri i\u00e7erir ve t\u00fcrb\u00fclansa ge\u00e7i\u015fi tetikleyerek \u0131s\u0131 transferi ve yap\u0131sal b\u00fct\u00fcnl\u00fc\u011f\u00fc etkileyebilir. Par\u00e7ac\u0131k-kinetik DSMC y\u00f6ntemi; Spectral Proper Orthogonal Decomposition (SPOD) gibi veri odakl\u0131 y\u00f6ntemler ve s\u00fcreklilik temelli BiGlobal do\u011frusal kararl\u0131l\u0131k analizi ile birlikte kullan\u0131lmaktad\u0131r. DSMC, \u015fok tabakalar\u0131n\u0131n i\u00e7 yap\u0131s\u0131n\u0131 ayr\u0131nt\u0131l\u0131 bi\u00e7imde \u00e7\u00f6z\u00fcmleyebilmesi ve s\u00fcreklilik yakla\u015f\u0131mlar\u0131n\u0131n ka\u00e7\u0131rabilece\u011fi denge-d\u0131\u015f\u0131 etkileri yakalayabilmesi nedeniyle \u00f6zellikle etkilidir. Bu yakla\u015f\u0131m; yeniden yap\u0131\u015fma \u015foku sal\u0131n\u0131mlar\u0131 ve Kelvin\u2013Helmholtz karars\u0131zl\u0131klar\u0131 gibi temel d\u00fczensizlik mekanizmalar\u0131n\u0131 ortaya koymaktad\u0131r. Dikkat \u00e7ekici olarak, yaln\u0131zca i\u00e7 \u015fok yap\u0131lar\u0131n\u0131n yakaland\u0131\u011f\u0131 kinetik sim\u00fclasyonlarla \u00e7\u00f6z\u00fclebilen, \u00f6n kenarda daha \u00f6nce bilinmeyen ilerleyen bir k\u00fcresel mod ke\u015ffedilmi\u015ftir. Konu\u015fmada ayr\u0131ca bu karars\u0131zl\u0131klar\u0131n do\u011frusal olmayan evrimi ele al\u0131nacak ve ge\u00e7i\u015f s\u00fcrecinin ay\u0131rt edici g\u00f6stergeleri olan lambda girdaplar\u0131n\u0131n olu\u015fumu, kinetik bir sim\u00fclasyonda ilk kez g\u00f6zlemlenen bir bulgu olarak sunulacakt\u0131r. Bu karars\u0131zl\u0131k mekanizmalar\u0131n\u0131n anla\u015f\u0131lmas\u0131, ak\u0131\u015f\u0131n ne zaman t\u00fcrb\u00fclansa d\u00f6n\u00fc\u015fece\u011finin \u00f6ng\u00f6r\u00fclmesi a\u00e7\u0131s\u0131ndan kritik olup, hipersonik ara\u00e7larda y\u00fczey \u0131s\u0131nmas\u0131 ve aerodinamik s\u00fcr\u00fcklemenin \u00f6nemli \u00f6l\u00e7\u00fcde artmas\u0131na yol a\u00e7abilir.<\/p>\n\n\n\n

KONU\u015eMACI HAKKINDA<\/strong><\/p>\n\n\n\n

Irmak Taylan Karpuzcu, :contentReference[oaicite:0]{index=0} Havac\u0131l\u0131k ve Uzay M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc\u2019nde Prof. Deborah Levin dan\u0131\u015fmanl\u0131\u011f\u0131nda doktora \u00e7al\u0131\u015fmalar\u0131n\u0131 s\u00fcrd\u00fcrmektedir. Y\u00fcksek lisans derecesini (2019) ve lisans derecesini (2015) :contentReference[oaicite:1]{index=1} Makine M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc\u2019nden alm\u0131\u015f ve lisans\u00fcst\u00fc ara\u015ft\u0131rmalar\u0131n\u0131 Prof. C\u00fcneyt Sert dan\u0131\u015fmanl\u0131\u011f\u0131nda y\u00fcr\u00fctm\u00fc\u015ft\u00fcr. Sertifikal\u0131 bir lisans\u00fcst\u00fc \u00f6\u011fretim g\u00f6revlisi olup MAVIS Future Faculty Fellow unvan\u0131na sahiptir.<\/p>\n\n\n\n

Ara\u015ft\u0131rmalar\u0131, y\u00fcksek h\u0131zl\u0131 ak\u0131\u015flar\u0131n say\u0131sal sim\u00fclasyonu \u00fczerine odaklanmakta ve y\u00fcksek ba\u015far\u0131ml\u0131 hesaplama tekniklerinden yararlanmaktad\u0131r. Y\u00fcksek lisans \u00e7al\u0131\u015fmas\u0131, s\u00fcpersonik ak\u0131\u015flarda b\u00fcy\u00fck girdap sim\u00fclasyonu kullan\u0131larak t\u00fcrb\u00fclans modellemesine odaklanm\u0131\u015ft\u0131r. Doktora \u00e7al\u0131\u015fmalar\u0131n\u0131n ilk a\u015famas\u0131nda hipersonik ak\u0131\u015flar\u0131n denge-d\u0131\u015f\u0131 termokimyas\u0131 \u00fczerinde \u00e7al\u0131\u015fm\u0131\u015ft\u0131r. H\u00e2len, kinetik teori, do\u011frusal kararl\u0131l\u0131k analizi ve veri odakl\u0131 y\u00f6ntemleri kullanarak y\u00fcksek irtifadaki y\u00fcksek h\u0131zl\u0131 laminer ak\u0131\u015flar\u0131n kararl\u0131l\u0131\u011f\u0131n\u0131 incelemektedir.<\/p>\n\n\n\n

\u0130LET\u0130\u015e\u0130M<\/strong><\/p>\n\n\n\n

Ela Baycan, Makine M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc, Bilkent \u00dcniversitesi
E-posta: ela@bilkent.edu.tr<\/p>\n\n\n\n

\n
\u0130ndir<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Y\u00fcksek H\u0131zl\u0131 Ak\u0131\u015flar\u0131n Kinetik \u0130ncelenmesi: Denge-D\u0131\u015f\u0131, Termokimya ve Kararl\u0131l\u0131k Hususlar\u0131Tarih: 6 Mart 2026 (Cuma)Saat: 13:30Yer: EA-101 \u00d6ZET Bu konu\u015fma, y\u00fcksek […]<\/p>\n","protected":false},"author":1,"featured_media":121,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4],"tags":[],"class_list":["post-157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-etkinlikler"],"_links":{"self":[{"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=\/wp\/v2\/posts\/157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=157"}],"version-history":[{"count":6,"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=\/wp\/v2\/posts\/157\/revisions"}],"predecessor-version":[{"id":255,"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=\/wp\/v2\/posts\/157\/revisions\/255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=\/wp\/v2\/media\/121"}],"wp:attachment":[{"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/me2.bilkent.edu.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}