1、Lessons Learned Entry: 0511Lesson Info:a71 Lesson Number: 0511a71 Lesson Date: 1994-07-27a71 Submitting Organization: LARCa71 Submitted by: Bernard LewisSubject: Placement of Aluminum Oxide Grit on Tape Aft of Nose on a NASP Forebody Model Caused Boundary Layer Transition Description of Driving Even
2、t: N/ALesson(s) Learned: Placing various size aluminum oxide grit on one inch wide kapton tape, two inches aft of the nose on a NASP 17-inch forebody model, caused boundary layer transition.Recommendation(s): A more detailed investigation to quantify the effects of roughness, simulated using aluminu
3、m oxide grit, will be conducted in the 31-inch mach 10 tunnel.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): a71 Exploration SystemsProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Aeronaut
4、ics ResearchAdditional Key Phrase(s): a71 Aircrafta71 Research & DevelopmentAdditional Info: Approval Info: a71 Approval Date: 1997-04-02a71 Approval Name: Elijah C. Kenta71 Approval Organization: 421a71 Approval Phone Number: 757-864-3345Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
