english 
Double-Wall Fuel Tank Temperature Resilience
Low Temperature Performance
Utilizes cold-resistant materials (special steel/polymers) that maintain strength and flexibility in sub-zero conditions.
Key Features:
• Insulation layers between walls prevent condensation
• Prevents brittleness and cracking
• Maintains fuel temperature stability
High Temperature Adaptation
Incorporates heat-resistant coatings and materials with low thermal conductivity.
Design Solutions:
• Air/inert gas gap acts as thermal buffer
• Finned surfaces or coolant channels for heat dissipation
• Prevents excessive fuel evaporation
Temperature Fluctuation Challenges
Rapid changes can cause differential expansion between walls.
Mitigation Strategies:
• Expansion joints for stress relief
• Materials with matched thermal expansion coefficients
• Regular inspection protocols
With proper material selection and engineering design, double-wall fuel tanks can reliably withstand extreme temperature conditions while maintaining structural integrity and fuel containment safety.