An evaluation of the high angle of attack conceptual design modification for the National Transonic Facility

摘要

A brief study has been made to review two conceptual design modifications to the National Transonic Facility (NTF) that would provide for high angle of attack testing than the /- 12 degree capability of the present design. Modifications to the baseline design to provide the added capability affect the plenum shell and strut cover domes, the support sector and aft fairing, sector actuator and controls, support section walls including additions of flaps along the sector, sector well, centerline reentry flap and reentry flap actuator system, and addition or relocation of supporting structure in the area under the support and test section walls. Some additional pit area is also required beneath the plenum shell to provide space for the increased size of the sector cover dome and actuator. Details of the study are presented in this report, including the scope of the task, modification information utilized, approach taken, and results and conclusions.