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Mass conservation in modeling moisture diffusion in multi-layer carbon composite structures
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Nurge, Mark A. Youngquist, Robert C. Starr, Stanley O. |
| Copyright Year | 2009 |
| Description | Moisture diffusion in multi-layer carbon composite structures is difficult to model using finite difference methods due to the discontinuity in concentrations between adjacent layers of differing materials. Applying a mass conserving approach at these boundaries proved to be effective at accurately predicting moisture uptake for a sample exposed to a fixed temperature and relative humidity. Details of the model developed are presented and compared with actual moisture uptake data gathered over 130 days from a graphite epoxy composite sandwich coupon with a Rohacell foam core. |
| File Size | 2178875 |
| Page Count | 4 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20110011490 |
| Archival Resource Key | ark:/13960/t7vm97g27 |
| Language | English |
| Publisher Date | 2009-01-05 |
| Access Restriction | Open |
| Subject Keyword | Composite Materials Foams Insulation Epoxy Matrix Composites Atmospheric Temperature Moisture Finite Difference Theory Humidity Graphite-epoxy Composites Mathematical Models Laminates Composite Structures Sandwich Structures Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |