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Keywords: active clearance control
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Proceedings Papers

Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103264
... such as power calibration test at low and high altitudes and Active Clearance Control (ACC) valve swing test at high power. As a result, the study proposes new methods to assess seal clearances using conventional pressure sensors at forward and aft cavities with the linear conversion curves. The conversion...
Proceedings Papers

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A030, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83431
... Abstract An aircraft turbine engine is exposed to high temperatures, high pressures, and high speeds, and case structure and rotating parts have different thermal and mechanical expansion and contraction. Most of turbine engines adapts ACC (Active clearance controls) system to manage thermal...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81791
... Abstract The goal of the present work is to investigate the effects of target plate temperature on heat transfer features of representative active clearance control (ACC) geometries presenting 0.8 mm circular impingement holes arranged in a single row pattern. The jets generated by such holes...