The Feasibility of Burner-Can Burn-Through Thermal Detection Prior to Engine Case Rupture

摘要

Full-scale tests simulating engine combustion section thermal failures (burn-through) were conducted using J57 engine (cowled and uncowled) to determine the feasibility of detecting a burn-through prior to its occurrence by monitoring engine skin temperature. Results of the tests indicated that as few as four thermocouples, located 90 degrees apart around the diffuser case and/or burner can case, could detect a burn-through prior to engine case rupture. (Author)