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The Magic Spin Top
The Magic Spin Top follows the adventures of Jiblett, Giblett and Frieda, under the watchful eyes of their parents, Pops and Rosie. This loving family of field mice and their diverse group of fun-loving animal friends experience life's lessons along with fun at the Fair. But their love of thrills provided by the Magic Spin Top ride lead them into greater and more dangerous adventures than they expected. Together, they learn how to make wise decisions, and guard their hearts a little better in the future. Children from eight to eighty will appreciate The Magic Spin Top.
Modeling Decomposition of Rigid Polyurethane Foam
Rigid polyurethane foams are used as encapsulants to isolate and support thermally sensitive components within weapon systems. When exposed to abnormal thermal environments, such as fire, the polyurethane foam decomposes to form products having a wide distribution of molecular weights and can dominate the overall thermal response of the system. Decomposing foams have either been ignored by assuming the foam is not present, or have been empirically modeled by changing physical properties, such as thermal conductivity or emissivity, based on a prescribed decomposition temperature. The hypothesis addressed in the current work is that improved predictions of polyurethane foam degradation can be ...
Annual Report
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Case Study for Model Validation
A case study is reported to document the details of a validation process to assess the accuracy of a mathematical model to represent experiments involving thermal decomposition of polyurethane foam. The focus of the report is to work through a validation process. The process addresses the following activities. The intended application of mathematical model is discussed to better understand the pertinent parameter space. The parameter space of the validation experiments is mapped to the application parameter space. The mathematical models, computer code to solve the models and its (code) verification are presented. Experimental data from two activities are used to validate mathematical models...
