2results about How to "Achieve thickness" patented technology

This invention relates to the field of aviation safety monitoring technology, and discloses a fiber optic dual-line icing detection system and method. It employs Raman scattering distributed optical fibers laid in high-icing areas on the upper surface of the wing to monitor temperature data in the corresponding areas; FBG fiber gratings with a metal coating are bonded along the spanwise direction of the wing skin to stress concentration areas to monitor strain data in the corresponding areas; the temperature and strain monitoring data are demodulated separately; the demodulated temperature and strain data are received, and icing is determined and thickness assessed using a preset icing identification algorithm; during flight, the icing situation is sensed by changes in ambient temperature and ice pressure caused by icing at the installation location, and the signal is transmitted to the anti-icing and de-icing system, improving reliability and safety during flight.

This invention relates to the field of enameled wire production technology, and more particularly to an insulating varnish and enameled wire based on nanocomposite materials. The insulating varnish comprises the following components by weight percentage: polyester resin: 40-60%, amide-imide resin: 15-25%, xylene: 10-25%, N-methylpyrrolidone: 5-15%, nano-silica: 1.0-5.0%, nano-alumina: 0.5-2.0%, fluorinated surfactant: 0.5-2.5%, epoxy resin tackifier: 0.2-2.0%, antioxidant: 0.2-0.5%, and ultraviolet absorber: 0.1-0.5%. This invention significantly improves the mechanical strength, abrasion resistance, and heat resistance of the varnish layer by introducing nano-silica and nano-alumina; improves the wettability and adhesion of the varnish by adding fluorinated surfactant; and enhances the adhesion and durability of the varnish layer by using epoxy resin tackifier.