The study of hypersonic flows and their underlying aerothermochemical reactions is particularly important in the design and analysis of vehicles exiting and reentering Earth's atmosphere. Computational physics codes can be employed to simulate these phenomena; however, verification of these codes is necessary to certify their credibility. To date, few approaches have been presented for verifying codes that simulate hypersonic flows, especially flows reacting in thermochemical nonequilibrium. In this paper, we present our code-verification techniques for verifying the spatial accuracy and thermochemical source term in hypersonic reacting flows in thermochemical nonequilibrium. We demonstrate the effectiveness of these techniques on the Sandia Parallel Aerodynamics and Reentry Code (SPARC).

高超音速流动及其潜在的热化学反应的研究在设计和分析出入大气层的车辆时特别重要。计算物理代码可以用来模拟这些现象。但是，必须验证这些代码以证明其可信度。迄今为止，几乎没有提出用于验证模拟高超音速流，尤其是在热化学非平衡中反应的流的代码的方法。在本文中，我们介绍了我们的代码验证技术，用于验证热化学非平衡中高超声速反应流中的空间精度和热化学源项。我们在Sandia平行空气动力学和再入规范（SPARC）上证明了这些技术的有效性。