Heat Shielded Composite Panel for Aircraft Cabin Fire Safety
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional aircraft interior composite panels fail to adequately insulate decorative panels from radiant heat transfer from underlying structural panels, leading to increased fire spread and smoke generation in the cabin.
Innovation Solution
A heat shielded composite panel design featuring a ceramic cement coating on the structural panel and a flame-retardant polymer coating on a decorative foam panel, with the coatings facing each other to create an insulation barrier, reducing heat transfer and smoke release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional composite panels are used without additional insulation layers, then the panel structure remains simple and lightweight, but the decorative panel reaches ignition temperature due to heat transfer from the structural panel
Solution Approach 1:
The patent applies the nesting principle by integrating multiple functional layers within the composite panel structure. The ceramic cement coating is applied directly to the structural panel surface, and the fire-retardant-treated decorative panel is positioned over it, creating a nested configuration where each layer serves its function within the compact panel assembly without requiring separate external insulation components
Solution Approach 2:
The patent employs composite materials by combining a ceramic cement coating (inorganic, heat-resistant material) with the organic structural panel and decorative panel layers. This creates a multi-material composite structure that leverages the high-temperature resistance of ceramic cement while maintaining the structural and aesthetic functions of the underlying panels, thereby achieving fire safety without significantly increasing complexity
2Reliability
If fire-retardant treatments are applied to decorative panels, then flammability decreases, but heat transfer from structural panels still causes ignition at high temperatures
Solution Approach 1:
The patent introduces a ceramic cement coating as an intermediary layer between the structural panel and the decorative panel. This intermediate layer acts as a thermal barrier that mediates the heat transfer process, reducing the radiant heat flux reaching the decorative panel while allowing the structure to maintain its load-bearing function and the decorative panel to retain its aesthetic purpose
3Object-generated harmful factors
If additional insulation layers are added to block heat transfer, then heat release and smoke generation decrease, but the panel becomes heavier and more complex
Solution Approach 1:
The patent utilizes thin film coatings rather than bulky insulation layers. The ceramic cement coating is applied as a thin layer on the structural panel surface, and the fire-retardant treatment on the decorative panel forms a thin protective film. These thin films provide effective thermal barrier functionality while minimizing additional weight and maintaining the panel's structural integrity and aesthetic appearance
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively reduces smoke density and heat release, enhancing fire safety by preventing the decorative panel from reaching ignition temperature and minimizing smoke and fume release in the aircraft cabin.
Implementation Method 1
a heat shielded composite panel including an insulation barrier positioned between an underlying composite structural panel and an overlying decorative panel for insulating the decorative panel from heat transfer from the composite structural panel
Implementation Method 2
it is critical to insulate cushioning and fabric materials from radiant heat flux that can cause these materials to ignite
Data Source
Figure 1~2
Figure 3~4
AI summary
A heat shielded composite panel (20) including a first part including a composite structural panel (22) coated with a ceramic cement coating, and a second part including a foam panel (26) having a fire-safe coating (28) applied to the surface of the foam panel (26), wherein the second part overlies the first part such that the ceramic cement coating and the fire-safe coating (28) face one another and are in contact.