星际荣耀SQX-3运载火箭一子级甲烷箱低温静力试验取得圆满成功

Core Viewpoint - The successful completion of the low-temperature static test for the SQX-3 liquid methane storage tank marks a significant advancement for the company in developing reusable space technology [1] Group 1: Product Development - The SQX-3 liquid methane storage tank has a diameter of 4.2 meters and a length of approximately 17 meters, designed and manufactured by the company [1] - The tank is produced using the company's newly established generation of friction stir welding production line, indicating a focus on advanced manufacturing techniques [1] - The test evaluated the tank's load-bearing capacity under various conditions, including internal pressure, axial force, and bending moment [1] Group 2: Testing and Validation - The low-temperature static test included multiple load profiles relevant to ground operations, flight, and recovery reuse scenarios [1] - The test results showed that the displacement and strain data collected were consistent with the predicted results from simulations, confirming the structural reliability and process stability of the tank [1] - Future plans include conducting burst tests to determine the ultimate load-bearing capacity of the tank, which will aid in establishing guidelines for its reuse and lifespan assessment [1]