Modeling Activities of Propulsion System Engine Installation Survey

Emre Sancar; Abdurrahman Burak Daldal; Taylan Çakiroğlu; Akay Bayat; Ahmet Alper Ezertaş

doi:10.4050/F-0080-2024-1352

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Modeling Activities of Propulsion System Engine Installation Survey

Emre Sancar, Abdurrahman Burak Daldal, Taylan Çakiroğlu, Akay Bayat, Ahmet Alper Ezertaş, Turkish Aerospace

May 7, 2024

https://doi.org/10.4050/F-0080-2024-1352

Abstract:
The multi-role utility helicopter T625 GÖKBEY is designed by Turkish Aerospace and it is equipped with a pair of two-spool CTS800-4AT turboshaft engine developed by Light Helicopter Turbine Engine Company (LHTEC). Components of the cowlings, intakes and exhausts were designed with supplementing CFD analyses and performance of various alternatives were evaluated. Final designs were achieved based on the helicopter performance and engine limits. In order to verify the estimated engine installed performance in design phase, performance of the instrumented engine with its integrated equipment on the platform is examined using flight test data. This paper focuses on the CFD simulations based performance predictions of the air induction system, exhaust system, and IPS blower exhaust. A comprehensive study is assessed to create more realistic models by using flight test data.