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Evaluation of the Tenti S6 model for hydrocarbon fuels at elevated temperatures using filtered Rayleigh scattering measurements

机译：滤光瑞利散射测量升温温度下烃燃料的10号评价

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摘要

This Letter targets the assessment of the well-known Tenti S6 model for predicting the Rayleigh-Brillouin scattering (RBS) spectra of select gas-phase hydrocarbon fuels (CH4, C2H2, C2H4, C3H8, and C4H10) over a temperature range of 300 to 700 K. The Tenti S6 model is evaluated by comparing filtered Rayleigh scattering (FRS) measurements to synthetic FRS signals generated from the combination of the Tenti S6 output and an accurate iodine absorption filter model. The experimental and synthetic FRS results agree very well (<3% difference) over the full temperature range for CH4, C2H2, and C2H4, indicating accurate calculation of the RBS spectra. For C3H8 and C4H10, there are some large differences between the experimental and synthetic FRS results which cannot be resolved through tuning of bulk viscosity, internal heat capacity, or inclusion of vibrational degrees of freedom, suggesting the need for detailed measurements of the Rayleigh-Brillouin spectra. (C) 2020 Optical Society of America
机译：该字母针对评估众所周知的10型S6模型，用于预测选择气相烃燃料（CH4，C2H2，C2H4，C3H8和C4H10）的瑞利布里渊散射（RBS）光谱在300至300的温度范围内700 K.通过将过滤的瑞利散射（FRS）测量比较到由来自Tenti S6输出和精确的碘吸收滤波器模型产生的滤波瑞利散射（FRS）测量来评估Tenti S6模型。实验和合成FRS结果吻合得非常好（<3％的差异）在整个温度范围内为CH4，C2H2，C2H4和，指示RBS谱的精确计算。对于C3H8和C4H10，实验和合成FRS结果之间存在一些巨大的差异，这通过调整大量粘度，内部热容量或振动自由度的包含来解决，这表明需要详细测量瑞利布里渊光谱。 （c）2020美国光学学会

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  • 来源
    《Optics Letters》 |2020年第19期|共4页
  • 作者

    Pu Jinpeng; Sutton Jeffrey A.;

  • 作者单位

    Ohio State Univ Dept Mech &

    Aerosp Engn 201 W 19th Ave Columbus OH 43210 USA;

    Ohio State Univ Dept Mech &

    Aerosp Engn 201 W 19th Ave Columbus OH 43210 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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