首页> 外文会议>AIAA Aviation Forum >CFD Simulations of the IHF Arc-Jet Flow: Compression- Pad/Separation Bolt Wedge Tests
【24h】

CFD Simulations of the IHF Arc-Jet Flow: Compression- Pad/Separation Bolt Wedge Tests

机译:IHF Acc-Jet流的CFD模拟:压缩垫/分离螺栓楔形测试

获取原文
获取外文期刊封面目录资料

摘要

This paper reports computational analyses in support of two wedge tests in a high enthalpy arc-jet facility at NASA Ames Research Center. These tests were conducted using two different wedge models, each placed in a free jet downstream of a corresponding different conical nozzle in the Ames 60-MW Interaction Heating Facility. Each panel test article included a metallic separation bolt imbedded in Orion compression-pad and heatshield materials, resulting in a circular protuberance over a flat plate. The protuberances produce complex model flowfields, containing shock-shock and shock-boundary layer interactions, and multiple augmented heating regions on the test plate. As part of the test calibration runs, surface pressure and heat flux measurements on water-cooled calibration plates integrated with the wedge models were also obtained. Surface heating distributions on the test articles as well as arc-jet test environment parameters for each test configuration are obtained through computational fluid dynamics simulations, consistent with the facility and calibration measurements. The present analysis comprises simulations of the nonequilibrium flowfield in the facility nozzle, test box, and flowfield over test articles, and comparisons with the measured calibration data.
机译:本文报告了在美国宇航局AMES研究中心的高焓弧形喷气机构中支持两种楔形测试的计算分析。这些测试使用两种不同的楔形模型进行,每个楔形模型进行在AME 60-MW相互作用加热设施中的相应不同锥形喷嘴下游的自由喷射中。每个面板测试制品包括嵌入ORION压缩垫和壳体材料中的金属分离螺栓,导致平板上的圆形突起。突起产生复杂的模型流场,含有冲击冲击和冲击边界层相互作用以及测试板上的多个增强加热区域。作为测试校准运行的一部分,还获得了与楔形模型一体化的水冷式校准板上的表面压力和热通量测量。通过计算流体动力学模拟,通过计算流体动力学模拟获得测试制品的表面加热分布以及每个测试配置的弧度测试环境参数,与设施和校准测量一致。本分析包括设施喷嘴,试验箱和流场上的非QuiLibimfillfield的模拟,以及通过测试制品的流场,以及与测量的校准数据的比较。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号