注油增压过程对飞机整体油箱密封结构影响研究

Research on the Effect the Sealed Structure Performance of Aircraft Fuel Tank Box Section in Fuel Injection and Boosting Environment

开展了注油增压环境对飞机整体油箱密封结构性能影响研究。开展油箱模拟试验件注油放油、充放压过程对密封结构性能影响试验,通过检测油箱模拟试验件维修口盖、对接连接区域等典型密封结构的应变大小,分析验证飞机充放压和注油过程对飞机油箱密封性能影响。注油增压过程对于油箱密封结构的应变影响范围为30%-90%范围内,验证注油增压环境是油箱密封结构耐久性的重要影响因素。验证注油增压环境对于油箱密封结构性能有重要影响,是飞机油箱密封耐久性评定研究的关键因素。

Research on the Effect of Sealed Structure Performance of Aircraft Fuel Tank Box Section which is in Fuel Injection and Boosting Environment.Carrying out tests on the effects of performance of the seal structure,to simulate oil injection,oil discharge,and gas discharge of test pieces of the fuel tank.Detecting the strain of typical sealing structures such as repair cover the docking connection area of test piece.Analyze the stress effect of the gas releasing environment and the oil filling environment on the tank structure.The range of influence of the oil-filled pressurization process on the deformation of the fuel tank sealing structure is within the range of 30%-90%,Verify that the fuel injection and pressurization environment is an important influencing factor for studying the durability of the tank seal structure.Verifying both the fuel injection and pressurization environment has an important impact on the performance of the tank sealing structure,fuel injection and pressurization environment is a key factor in the evaluation of aircraft fuel tank seal durability.