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Advanced Corrosion Assessment Techniques Used to Prioritize Maintenance of NASA Wind Tunnels

Advanced Corrosion Assessment Techniques Used to Prioritize Maintenance of NASA Wind Tunnels
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This paper discusses an innovative technique employed on the 2017 AETC Corrosion Control Study conducted on 19 NASA wind tunnel facilities located at three NASA Centers: Langley, Ames and Glenn Research Centers. The technique adds structural and prioritization context to corrosion and coating assessments which yields an Overall Risk Priority (ORP) score for each inspection item. 

Product Number: 51219-185-SG
Author: Robert A. Ernsting, Adam Beers, David E. Shinn, Thomas E. Hegland, Peter M. Pachlhofer
Publication Date: 2019
Industry: Coatings
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$20.00
$20.00

This paper discusses an innovative technique employed on the 2017 AETC Corrosion Control Study conducted on 19 NASA wind tunnel facilities located at three NASA Centers: Langley, Ames and Glenn Research Centers. The technique adds structural and prioritization context to corrosion and coating assessments which yields an Overall Risk Priority (ORP) score for each inspection item. The ORP score is comprised of (1) the coatings grade from field inspections and sample data, (2) the functional purpose of the facility and (3) the risk to facility availability (mission) if the asset were to fail due to corrosion. The ORP score is used to assist facility engineers in developing a Structural Integrity and Service Life Opinion (SISLO) that provides a qualitative characterization of each wind tunnel. With some wind tunnels exceeding 70 years of age, the 2017 Corrosion Control Study is a vital tool used by NASA to properly integrate and prioritize maintenance planning for each of these important national assets.

This paper discusses an innovative technique employed on the 2017 AETC Corrosion Control Study conducted on 19 NASA wind tunnel facilities located at three NASA Centers: Langley, Ames and Glenn Research Centers. The technique adds structural and prioritization context to corrosion and coating assessments which yields an Overall Risk Priority (ORP) score for each inspection item. The ORP score is comprised of (1) the coatings grade from field inspections and sample data, (2) the functional purpose of the facility and (3) the risk to facility availability (mission) if the asset were to fail due to corrosion. The ORP score is used to assist facility engineers in developing a Structural Integrity and Service Life Opinion (SISLO) that provides a qualitative characterization of each wind tunnel. With some wind tunnels exceeding 70 years of age, the 2017 Corrosion Control Study is a vital tool used by NASA to properly integrate and prioritize maintenance planning for each of these important national assets.

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