A three-dimensionally woven carbon/phenolic composite was provided by ArianeGroup for characterization of surface behavior and measurement of internal temperature profile. ArianeGroup has developed a three-dimensionally woven carbon/phenolic composite material (called Naxeco? phenolic resin material), built from low cost, non-aerospace grade carbon fibers, and a phenolic resin already used to make impregnated 2D ablative fabrics but modified to be compatible with the Resin Transfer Molding (RTM) process. The 3D C/Ph material was tested in three different sample sets consisting of three tests each. Various flame conditions were used in the tests for a duration of 100 seconds each using an Oxyacetylene Test Bed (OTB) while being monitored with both electrical and optical instrumentation. A series of four ultra-fine type-K thermocouples were inserted into the material at different depths from the surface. Depending on the test, the thermocouples provided unique insights. The thermocouples nearest the flame were exposed and through a break-wire like mechanism yielded enough information to calculate the recession rate of the material in this medium heat flux environment. The thermocouples further from the flame were not exposed and monitored the internal temperature of the material. Surface temperature and behavior were monitored with a two-color Infrared (IR) pyrometer, an IR video camera, and a HD video camera with a filter. Numerical simulation and modeling was performed by ArianeGroup with their proprietary code that was developed for application on Solid Rocket Motor (SRM) operating conditions.
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机译：三维编织碳/酚醛复合物通过ArianeGroup用于表面行为和内部温度分布的测量的特征提供。 ArianeGroup开发了三维编织碳/酚醛复合材料（称为Naxeco？酚醛树脂材料），从低成本，非航空级碳纤维建，并已用于制造浸渍2D烧蚀织物的酚醛树脂，但修改成用树脂传递模塑（RTM）工艺兼容。所述3D C /博士材料在由每三个测试三种不同的样品组进行试验。各种火焰条件在测试中使用了使用同时用电气和光学仪器被监视的氧乙炔试验台（OTB）的每100秒的持续时间。一系列四个超细K型热电偶在离表面的不同深度插入到所述材料。根据测试，热电偶提供了独到的见解。最接近火焰热电偶暴露并通过像机构的断丝产生足够的信息来计算在该介质中的热通量环境的材料的衰退速率。热电偶从火焰进一步未暴露并监测所述材料的内部温度。表面温度和行为具有两色红外（IR）高温计，红外摄像机，和具有过滤器的HD视频摄像机进行了监测。数值模拟和建模被ArianeGroup用专为固体火箭发动机（SRM）的运行条件下的应用开发了专有代码执行。
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