Methodology to determine the rational integrity level in design and development of the helicopter airframe assembly constructed using polymer composite materials
Authors: Kisin I.D., Zavalov O.A.
Published in issue: #10(166)/2025
DOI: 10.18698/2308-6033-2025-10-2482
Category: Aviation and Rocket-Space Engineering | Chapter: Design, Construction, Production, Testing, and Operation of Aircraft
The paper uses an example of the Mi-171A3 helicopter cockpit canopy frame designed from the polymer composite materials (PCM) to present an approach and a set of measures adopted to develop a method for determining the rational integrity level in designing the PCM-made helicopter airframe units. Relevance of solving this problem could be substantiated by a general trend of expanding the scope of application of the PCM-made integral-type structures made in the helicopter technology, and the insufficiently studied computation base for establishing a rational integrity level. Analysis of the scientific papers indicates that integrity of the PCM-made is currently assessed empirically. The authors selected the Mi-171A3 helicopter canopy frame as the object of their study. The presented methodology takes into account the specific design criteria. Comprehensive criterion for the designed PCM-made structure is computed to determine the rational integrity level using the presented mathematical apparatus in the early stages of the helicopter design and development.
EDN TKEQZE
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