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首页> 外文期刊>Journal of Heat Transfer >Analysis of Heat Transfer in Particle Velocity Sensor With Three-Wire Configuration
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Analysis of Heat Transfer in Particle Velocity Sensor With Three-Wire Configuration

机译：三线配置粒子速度传感器传热分析

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摘要

Particle velocity sensor (PVS) plays an important role in determining the type and location of a sound source. In this presentation, the analytical model of heat transfer in the PVS with a three-wire (SHS) configuration is first presented. By comparing with the thermal diffusion, the forced convection exerts a smaller influence on the temperature distribution. Thus, variation in forced convection could induce the formation of a thermal perturbation field, and the overall temperature distribution model of a PVS is made up of a steady temperature field and a thermal perturbation field. With the derived model, the PVS with the SHS configuration has smaller thermal noise and higher signal-to-noise ratio in comparison with a two-wire (SS) configuration under the same conditions. Optimized parameters of structural design and heating power can be obtained via the presented analytical model. Also, this model presents optimal output performance and frequency-dependent characteristic curve. Numerical results are found to be in good agreement with the analytical solutions and experimental data, which verifies the correctness of analytical model and the numerical method. The study provides a basis for a theoretical and numerical analysis for the PVS in SHS configuration.
机译：粒子速度传感器（PVS）在确定声源的类型和位置时起着重要作用。在该介绍中，首先呈现具有三线（SHS）配置的PV中的传热分析模型。通过比较热扩散，强制对流对温度分布产生较小的影响。因此，强制对流的变化可以诱导热扰动场的形成，并且PVS的整体温度分布模型由稳定的温度场和热扰动场构成。利用衍生模型，与在相同条件下的双线（SS）配置相比，具有SHS配置的PVS具有较小的热噪声和更高的信噪比。通过所提出的分析模型可以获得结构设计和加热功率的优化参数。此外，该模型提出了最佳的输出性能和频率相关的特性曲线。发现数值结果与分析解决方案和实验数据吻合良好，这验证了分析模型的正确性和数值方法。该研究为SHS配置中PVS的理论和数值分析提供了基础。

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