The results indicate that the system can simulate the internal and external flow coupling of the engine and the anti-icing state of the compressor. Supported by the 3 m×2 m large-scale icing wind tunnel, the inlet gas simulation technology and hot-air supply technology were developed first, then a set of test procedures and methods was put forward, and finally the icing wind tunnel test for the inlet part of an aero-engine was carried out. ![]() But further development of the icing and anti-icing test technology is needed to meet the requirement of the next stage model designing and airworthiness certification for aero-engines in our country. The first large-scale icing wind tunnel of our country has been built, which has the capacity to carry out icing tests on the aircraft wing section. As a result, experiment is an indispensable means for the engine research. ![]() ![]() The icing and anti-icing process of the aero-engine is complex, which can not be simulated accurately by numerical calculation.
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