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- W4313006253 abstract "Abstract The paper presents the detailed design and benchmarking measurements for a transient linear cascade test facility with a bypass line. The test facility includes an experiment measurements line, a linear test section cascade, a bypass line and an exhaust line, and the quasi-steady-state aerodynamic and transient thermodynamic measurements can be conducted in this test facility. The linear cascade holds up 6 equally spaced cascade profiles, forming 5 completed cascade passages, and the center passage is used for aerodynamic and thermodynamic experiment measurements. Up to 2.4 kg/s of air is continuously supplied by four compressors, thus the quasi-steady-state aerodynamic test can be conducted. For a transient thermodynamic test, the mainstream is heated by a 150 kW heater and discharged to the atmosphere through a bypass line. After reaching the steady state, the bypass flow can be turned to enter the test line within 1.5 s by a control system. A significant step change of mainstream temperature is achieved in this way. A wide range of geometries and flow conditions investigations can be performed in this test facility, due to the special design of the pitch adjustment section and rotatable platform. An optical access window installed on the turntable can provide instrumentation access for Infrared (IR) measurements, laser-based measurements and visualization measurements. The benchmarking measurements at various exit Mach number (Ma) and incidence angles (β), are used to verify the aerodynamic and thermodynamic measurements performance of this transient test facility. Results show that the desired aerodynamic behaviors and a significantly transient step change (less than 1 s) of mainstream temperature are observed during the benchmark test duration. The long-time quasi-steady-state aerodynamic and transient thermodynamic measurements can be reliably conducted in this transient test facility." @default.
- W4313006253 created "2023-01-05" @default.
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- W4313006253 date "2022-06-13" @default.
- W4313006253 modified "2023-09-27" @default.
- W4313006253 title "Development of a Transient Test Facility for Evaluating the Aerothermodynamic Performance of Gas Turbine Cascades" @default.
- W4313006253 doi "https://doi.org/10.1115/gt2022-82573" @default.
- W4313006253 hasPublicationYear "2022" @default.
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