Comparative Analysis of Two Cryogenic Force Balance Calibration Systems [PDF]
Cryogenic wind-tunnel facilities face unique challenges in the calibration and operation of various measurement systems and instrumentation. Instruments that are subjected to the cryogenic conditions of the test plenum require careful design and ...
Burns, Devin E. +2 more
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Wind tunnel testing of low-drag airfoils [PDF]
Results are presented for the measured performance recently obtained on several airfoil concepts designed to achieve low drag by maintaining extensive regions of laminar flow without compromising high-lift performance. The wind tunnel results extend from
Harris, C. D. +2 more
core +1 more source
Effect of Leading-Edge Erosion on the Performance of Transonic Compressor Blades
International Journal of Turbomachinery, Propulsion and PowerIn this paper, an experimental and numerical investigation of the effect of leading-edge erosion in transonic blades was performed. The measurements were carried out on a linear blade cascade in the Transonic Cascade Wind Tunnel of DLR in Cologne at two ...
Alexander Hergt +5 more
doaj +1 more source
Characterization of Supersonic Compressible Fluid Flow Using High-Speed Interferometry. [PDF]
Sensors (Basel), 2021 Psota P +10 more
europepmc +1 more source
Investigation on Transition Characteristics of a Modified RAE5243 Airfoil
EnergiesThe transition characteristics of a modified RAE5243 airfoil were investigated using a wind tunnel test and numerical simulations. Transition detection is of great significance for the assessment of drag reduction.
Zhiyong Liu +4 more
doaj +1 more source
Skin-Friction-Based Identification of the Critical Lines in a Transonic, High Reynolds Number Flow via Temperature-Sensitive Paint. [PDF]
Sensors (Basel), 2021 Costantini M +3 more
europepmc +1 more source
Recent tests at Langley with a University of Tennessee Space Institute (UTSI) skin friction balance [PDF]
The experience at LaRC with the University of Tennessee Space Institute skin friction balances is summarized. The Karman-Schoenherr flat plate skin friction formulation is included for comparison.
Lawing, Pierce L. +2 more
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Miniaturization and Model-Integration of the Optical Measurement System for Temperature-Sensitive Paint Investigations. [PDF]
Sensors (Basel), 2023 Lemarechal J +4 more
europepmc +1 more source
Comparison of Space Shuttle Orbiter low-speed static stability and control derivatives obtained from wind-tunnel and approach and landing flight tests [PDF]
Tests were conducted in the 8 foot transonic pressure tunnel to obtain wind tunnel data for comparison with static stability and control parameters measured on the space shuttle orbiter approach and landing flight tests.
Freeman, D. C., Jr., Spencer, B., Jr.
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User guide for WIACX: A transonic wind-tunnel wall interference assessment and correction procedure for the NTF [PDF]
A three dimensional transonic Wind-tunnel Interference Assessment and Correction (WIAC) procedure developed specifically for use in the National Transonic Facility (NTF) at NASA Langley Research Center is discussed.
Garriz, Javier A., Haigler, Kara J.
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