Testing of SLA-561V in NASA-Ames Turbulent Flow Duct With Augmented Radiative Heating | Zendy

Steven Sepka | Zendy; A. A. Wray | Zendy; Dinesh Prabhu | Zendy; R.A. Kornienko | Zendy; Chris Radbourne | Zendy

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Testing of SLA-561V in NASA-Ames Turbulent Flow Duct With Augmented Radiative Heating

Author(s) -

Steven Sepka,

A. A. Wray,

Dinesh Prabhu,

R.A. Kornienko,

Chris Radbourne

Publication year - 2011

Publication title -

42nd aiaa thermophysics conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2011-3619

Subject(s) - turbulence , mars exploration program , ceramic , duct (anatomy) , nuclear engineering , radiative transfer , sump (aquarium) , mechanics , aerospace engineering , materials science , environmental science , mechanical engineering , physics , optics , composite material , engineering , waste management , astrobiology , medicine , pathology

As part of the Mars Science Laboratory (MSL) thermal protection system material test and qualification program, SLA-561V, the candidate heat shield material, was tested in the NASA Ames Turbulent Flow Duct (TFD) Facility. Normally the TFD wall opposite the test model is water-cooled copper. However, for these tests, in an effort to increase the heat flux applied to the test sample, the TFD facility was modified to place a ceramic plate in the wall opposite the test model. Installing a non-water-cooled ceramic plate allows it to absorb convective heating, and radiate the energy back to the test model as the ceramic plate heats up. Results of these specialized tests to establish the performance of SLA-561V under turbulent flow conditions are provided in the present paper. The tests showed extensive formation of glass melt and melt flow on a scale never before observed for SLA-561V.

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