{"id":53970,"date":"2025-11-15T13:05:59","date_gmt":"2025-11-15T09:05:59","guid":{"rendered":"https:\/\/herecareers.com\/job\/secondary-air-systems-whole-engine-models-engineer-ii\/"},"modified":"2025-11-15T13:06:00","modified_gmt":"2025-11-15T09:06:00","slug":"secondary-air-systems-whole-engine-models-engineer-ii","status":"publish","type":"job_listing","link":"https:\/\/herecareers.com\/ar\/job\/secondary-air-systems-whole-engine-models-engineer-ii\/","title":{"rendered":"Secondary Air Systems &#038; Whole Engine Models &#8211; Engineer II"},"content":{"rendered":"<p>411_2671327<\/p>\n<p><h3>Secondary Air Systems &#038; Whole Engine Models &#8211; Engineer II <\/h3>\n<p>POWERTECH is a center of excellence for propulsion technologies, specializing in the design, engineering, and manufacturing of combustion engines, expendable turbojet engines, and turbofan engines for a wide range of aerospace, defense, and autonomous applications\u2014including fixed- and rotary-wing UAVs and other advanced platforms. <\/p>\n<p><b>Job Summary <\/b><br \/>\u064a\u0639\u062f \u0628\u0631\u0646\u0627\u0645\u062c <b>Engineer \u2013 Secondary Air Systems &#038; Whole Engine Models <\/b> will develop and lead the implementation of advanced <b>2D thermo-mechanical whole engine models (WEMs) <\/b> that capture the complete transient thermal and mechanical behavior of gas turbine engines across full and various mission cycles\u2014from startup through steady-state operation to shut down and cooldown. The engineer will also develop and integrate <b>secondary air systems (SAS) <\/b> models and support cross-functional teams by providing predictive insight into thermal behavior, component clearances and structural integrity. <\/p>\n<p><b>\u0627\u0644\u0645\u0647\u0627\u0645 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 <\/b> <\/p>\n<ul>\n<li>Develop 2D axisymmetric thermo-mechanical whole engine models for various aircraft propulsion applications, capturing transient thermal behavior and rotor-stator interactions across full operational scenarios. <\/li>\n<li>Translate complex 3D gas turbine geometry into efficient 2D simulation domains, accounting for both axisymmetric and non-axisymmetric features. <\/li>\n<li>Incorporate mission profiles and evolving boundary conditions into transient simulations. <\/li>\n<li>Use the WEM as a digital twin to evaluate component temperatures, thermal gradients, displacements, and clearances over time. <\/li>\n<li>Provide critical inputs to structural teams for 3D mechanical movement analysis. <\/li>\n<li>Participate in the test campaigns to validate findings and update whole engine models accordingly. <\/li>\n<\/ul>\n<p><b>Secondary Air Systems (SAS) <\/b> <\/p>\n<ul>\n<li>Build and validate 1D SAS networks including internal air paths, cooling flows, leakage paths, and cavities. <\/li>\n<li>Integrate SAS with WEM to account for convective heat transfer and flow behavior throughout transient engine cycles. <\/li>\n<li>Use CFD, empirical data, and in-house correlations to inform heat transfer coefficients and boundary conditions across components. <\/li>\n<\/ul>\n<p><b>Cross-Functional Collaboration <\/b> <\/p>\n<ul>\n<li>Act as the interface between thermal, mechanical, design, CFD, performance, and clearance teams, gathering input for model setup. <\/li>\n<li>Embed WEM and SAS outputs into decision-making workflows, especially for evaluating mechanical integrity, component lifetime evaluation, and clearance control. <\/li>\n<\/ul>\n<p><b>Simulation Tools &#038; Process Development <\/b> <\/p>\n<ul>\n<li>Benchmark and implement tools such as ANSYS, NX Thermal, Thermal Desktop, AxStream, or similar for thermal and fluid-structure simulation. <\/li>\n<li>Automate model setup and boundary condition control using scripting. <\/li>\n<li>Develop user-friendly workflows and conditional modeling approaches to capture complex physics during engine transients. <\/li>\n<\/ul>\n<p><b>Qualifications &#038; Experience <\/b> <\/p>\n<ul>\n<li>Master\u2019s or PhD in Mechanical Engineering, Aerospace Engineering, or a related field with focus on heat transfer, thermo-mechanics, or propulsion systems. <\/li>\n<li>3\u20137 years of experience in gas turbine engine modeling, with hands-on development of WEM or SAS models. <\/li>\n<li>Proven experience with FEM\/thermal modeling tools and programming\/scripting for simulation workflows. <\/li>\n<li>Strong background in transient thermal analysis, fluid\u2013structure interaction, and thermal boundary condition development. <\/li>\n<\/ul>\n<p> #J-18808-Ljbffr<\/p>\n<p>2025-11-11 12:53:57<\/p>","protected":false},"author":100,"featured_media":0,"comment_status":"open","ping_status":"open","template":"","job_listing_type":[68],"job_listing_category":[1348],"job_listing_location":[720],"job_listing_tag":[],"class_list":["post-53970","job_listing","type-job_listing","status-publish","hentry","job_listing_type-full-time","job_listing_category-it-technology","job_listing_location-united-arab-emirates"],"metas":{"_job_featured_image":"","_job_featured":"","_job_filled":"","_job_urgent":"","_job_category":{"1348":"IT &amp; 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