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Verification of High Altitude Performance and Characteristics for HF120 Turbofan Engine

Article of Honda R&D Technical Review Vol.26 No.2

Summary

The HF120 turbofan engine co-developed with General Electric Company was tested to verify its high altitude characteristics. Ownership of the tests was cooperatively shared between General Electric Company and Honda with General Electric Company leading the tests at the Altitude Test Facility and Honda leading the tests on the Flying Test Bed. A small business jet aircraft modified to replace an engine on one side with an HF120 turbofan engine was used for the Flying Test Bed. A data measurement system that can handle the large amounts of data acquired during flight tests was installed inside the aircraft to verify the engine conditions comprehensively.
The high altitude characteristics required for aircraft engines were verified from multiple aspects by taking advantages of the two different types of test environments of Altitude Test Facility and Flying Test Bed.
The combination of performance test data and engine model simulation verified that overall steady state performance meets the requirements throughout the engine operating envelope. Acceleration and deceleration characteristics have been verified to meet the requirements. Surge and stall characteristics have been verified to secure the required surge margin. The air start envelope has been verified through numerous air start demonstrations.

Reference

(1) http://world.honda.com/news/2009/c091019GE-Honda-HF120-engine/, 2010/3/25

Author (organization or company)

Katsumasa ISHIKAWA(Aircraft Engine R&D Center)、Norio KASAI(Aircraft Engine R&D Center)、Norifumi IKEDA(Aircraft Engine R&D Center)、Ikuo TAKAMATSU(Aircraft Engine R&D Center)

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