Research on icing wind tunnel test technology of helicopter rotor model

YUAN Honggang; HUANG Mingqi; PENG Xianmin; ZHANG Guichuan; LIU Qinglin

doi:10.11729/syltlx20200121

Volume 35 Issue 4

Aug. 2021

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YUAN H G，HUANG M Q，PENG X M，et al. Research on icing wind tunnel test technology of helicopter rotor model[J]. Journal of Experiments in Fluid Mechanics, 2021，35（4）：60-66. doi: 10.11729/syltlx20200121

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Research on icing wind tunnel test technology of helicopter rotor model

doi: 10.11729/syltlx20200121

Low Speed Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang Sichuan　621000, China

Received Date: 2020-10-12
Rev Recd Date: 2020-11-25

Available Online: 2021-08-26

Publish Date: 2021-08-31

Abstract

Abstract

In order to meet the needs of the wind tunnel test of helicopter rotor icing in China, China Aerodynamics Research and Development Center has developed a rotor model icing test technology. A helicopter rotor model icing test system was developed in a large multi-function icing wind tunnel. The test method and data acquisition and processing method of the rotor model in the icing wind tunnel were developed. The process of the rotor model icing test was standardized, and thus the research of the rotor model icing test could be carried out safely and reliably. Through the first icing wind tunnel test of the helicopter rotor model in China, the icing characteristics of the rotor model under typical working conditions were studied, and the variation characteristics of aerodynamic load and vibration load of the rotor model during the icing process were obtained. The test results show that: with the increase of icing time, the rotor thrust decreases sharply, and the power increases sharply. With the ice shedding, growth, re-shedding and regrowth on the blade surface, the rotor performance fluctuates greatly. Before the ice shedding on the surface of the rotor blade, the test data have good repeatability and reliability.
- helicopter,
- rotor model,
- icing wind tunnel,
- test technology

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References(30)

References

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