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首页> 外文会议>HT2008;ASME summer heat transfer conference >TRANSIENT PLANE SOURCE METHOD FOR THERMAL PROPERTY MEASUREMENTS OF METAL HYDRIDES
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TRANSIENT PLANE SOURCE METHOD FOR THERMAL PROPERTY MEASUREMENTS OF METAL HYDRIDES

机译：瞬态平面源法测量金属氢化物的热性质

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摘要

Metal hydrides are promising hydrogen storage materials with potential for practical use in a passenger car. To be a viable hydrogen storage option, metal hydride heat transfer behavior must be well understood and accounted for. As such, the thermal properties of the metal hydride are measured and compiled to assess this behavior. These properties include thermal conductivity, specific heat, and thermal diffusivity.The transient plane source (TPS) method was selected primarily due to a high level of versatility, including customization for high pressure hydrogen environments. To perform this measurement, a TPS 2500 S thermal property analyzer by the Hot Disk Company was employed. To understand the measurement and analysis process of the TPS method, two different sample materials were evaluated at ambient conditions. These samples included a stainless steel pellet and an inactivated (non-pyrophoric) metal hydride pellet. Thermal conductivity and thermal diffusivity of these samples were measured using the TPS method. The thermal property measurements are compared to the data available in the literature (stainless steel) and the data obtained using laser flash method (metal hydride). The improvements needed to successfully implement the TPS method are discussed in detail.
机译：金属氢化物是有前途的储氢材料，具有在乘用车中实际使用的潜力。要成为可行的储氢方式，必须充分了解和考虑金属氢化物的传热行为。这样，就测量并编辑了金属氢化物的热性能，以评估这种行为。这些特性包括热导率，比热和热扩散率。 之所以选择瞬态平面源（TPS）方法，是因为其高度的多功能性，包括针对高压氢气环境的定制。为了进行该测量，使用了由Hot Disk Company制造的TPS 2500 S热性能分析仪。为了了解TPS方法的测量和分析过程，在环境条件下评估了两种不同的样品材料。这些样品包括一个不锈钢颗粒和一个灭活的（非发火的）金属氢化物颗粒。使用TPS方法测量这些样品的导热率和热扩散率。将热性能测量值与文献中的数据（不锈钢）和使用激光闪光法（金属氢化物）获得的数据进行比较。详细讨论了成功实现TPS方法所需的改进。

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