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タイトルNonequilibrium Ablation of Phenolic Impregnated Carbon Ablator
本文(外部サイト)http://hdl.handle.net/2060/20120017464
著者(英)Gokcen, Tahir; Milos, Frank S.; Chen, Yih K.
著者所属(英)NASA Ames Research Center
発行日2012-10-01
言語eng
内容記述In previous work, an equilibrium ablation and thermal response model for Phenolic Impregnated Carbon Ablator was developed. In general, over a wide range of test conditions, model predictions compared well with arcjet data for surface recession, surface temperature, in-depth temperature at multiple thermocouples, and char depth. In this work, additional arcjet tests were conducted at stagnation conditions down to 40 W/sq cm and 1.6 kPa. The new data suggest that nonequilibrium effects become important for ablation predictions at heat flux or pressure below about 80 W/sq cm or 10 kPa, respectively. Modifications to the ablation model to account for nonequilibrium effects are investigated. Predictions of the equilibrium and nonequilibrium models are compared with the arcjet data.
NASA分類Composite Materials
レポートNOTSM-6112
ARC-E-DAA-TN6112
権利Copyright, Distribution as joint owner in the copyright
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/239860


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