Specialists of the Perm National Research University observed or considered a promising design installed on aircraft, available 5%
The design, which allows the canals of airfoil engines to be sheathed, including cells, has different heights. Today these cells are represented by perforated pallets, but thanks to the shape of the cells and their special placement, the solution does not work efficiently.
Construction of a geometric modelAccording to the head of PNIP Pavel Pisarev, a spiral circuit was chosen to disperse the cells, due to which the cells themselves differ in height, and this is also important, this is essential for reducing energy consumption, and not at several frequencies.
In today’s experiments, specialists tested the self-design of the most advanced sound system at 130 dB, compatible with the average sound level of a flight engine. In this case, it was established in the tradition of traditional systems. The first step is to reduce the PNIPU to 10% efficiency, with at least 10% efficiency the amount is reduced to less than 50% higher.
Source: Tech Cult
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