Entry vehicle instrumentation for heat shield ablation measurements.
Make wire, light pipe and spring wire ablation sensors development for measuring parameters of heat shield materials for reentry vehicles
Lebel, P. J.↗
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Results for “ABLATION”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Evaluation of a polyurethane foam for ablative protection at low heating rates.
Low density polyurethane foam with and without honeycomb as ablative material for reentry vehicles, discussing oxidation resistance
Parker, J. A.↗
Comparison of the performance of a charring ablator under transient and constant combined convective and radiative heating.
Charring phenolic nylon ablator material pyrolysis and surface recession for cyclic and constant combined convective and radiative heating
Lundell, J. H.↗
Low temperature simulation of hypersonic melting ablation and the observed wave patterns.
Low temperature simulation of hypersonic melting ablation and wave patterns of gas-liquid interface
Chen, C.-J.↗
An evaluation of ablation mechanisms for the Apollo heat shield material.
Thermochemical and mechanical ablation mechanisms for Apollo heat shield material, comparing surface thermochemistry computer program and arc plasma tunnel data
Anderson, L. W.↗
Effects of pyrolysis-gas chemical reactions on surface recession of charring ablators.
Oxygen depletion effect in chemical reactions between pyrolysis gases and air stream on surface recession of charring ablators
Dickey, R. R.↗
Ablative characterization of seven heat shield materials - A review of the NASA-SRI Round-Robin program.
Ablation characteristics of heat shield materials measured in arc heated wind tunnels, considering influence of model scale, heating rate and pressure level
Clark, C. F.↗
Performance of various ablative materials in a large hydrogen/oxygen thrust chamber.
Ablative materials in hydrogen/oxygen thrust chamber using expansion nozzle to substitute regenerative thrust chamber assembly
Kovach, R. J.↗
Ablative thermal protection at low heating rates.
Ablative materials thermal protection characteristics at low heating rates evaluated by convective heating tests, stressing polyurethane foam composite
Goldstein, H. E.↗
Dielectric processing for low-cost ablation heat shields.
Ablation heat shields, emphasizing dielectric low cost fabrication and application to entry vehicles
King, C. B.↗
Flash X-ray technique for recession measurements in ablating models.
Flash X ray unit with special film transport devices to obtain sequenced dynamic radiographs of ablating models during reentry simulation tests
Kassel, P. C., Jr.↗
The development of polybenzimidazole composites as ablative heat shields.
Low density polybenzimidazole composites as ablative heat shields, discussing arc-heated wind tunnel tests of linear and crosslinked structures
Dickey, R. R.↗
Ablation effects on the Apollo afterbody heat transfer.
Apollo afterbody heat transfer, studying ablation effects for various reentry angles of attack
Lee, G.↗
Low temperature ablation models made by pressure/vacuum application
Method developed employs high pressure combined with strong vacuum force to compact ablation models into desired conical shape. Technique eliminates vapor hazard and results in high material density providing excellent structural integrity.
Fischer, M. C.↗
Analysis of surface ablation of noncharring materials
Computer program solves combined problem of heat transfer and material response for the stagnation region of blunt bodies experiencing melting and vaporizing or subliming ablation. Program contains formulas for the transitional regime to bridge between the free-molecule and continuum regimes.
Matting, F. W.↗
Thermophysical and chemical characterization of charring ablative materials Final report
Thermophysical and chemical properties of charring ablative materials
Deem, H. W.↗
Evaluation of the energy transfer in the char zone during ablation. Part 1 - Theoretical and experimental results for heat shield surface temperatures up to 3000 deg F
Energy transfer in reacting flow of pyrolysis products through char layer of nylon-phenolic resin charring ablator
April, G. C.↗
Evaluation of a flash X-ray technique for recession measurements in ablative materials
Flash X ray to determine recessions in ablative materials
Brewer, W. D.↗