高静压下锰电阻计的性能评价

6th IEEE Conference Record., Instrumentation and Measurement Technology Conference Pub Date : 1989-04-25 DOI:10.1109/IMTC.1989.36923

T. Yuan, Yan-Chong Lu, Bao-Hui Yuan

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引用次数: 0

摘要

对锰电阻计在高静压下的性能进行了评价。比较了几种基于插值法(或外推法)的数学模型的精度。结果表明，如果在低于1gpa的压力下使用的压力表在给定的恒定温度下校准并在该温度下使用，则不需要完整的数学模型。然而，在1 GPa到20 GPa的压力范围内，电阻随压力和温度变化的完整模型是必需的，因为由于压力传递介质的压缩或膨胀引起的温度变化是非常明显的。

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Performance comments on manganin resistance gauges under high static pressures

The performance of manganin resistance gauges under high static pressure is evaluated. The accuracy of several interpolation- (or extrapolation-) based mathematical-models is compared. It is shown that if the gauges used at pressures below 1 GPa are calibrated at a given constant temperature and used at that temperature, the complete mathematical-model is unnecessary. However, a complete model for the variation of resistance with both pressure and temperature is required in the pressure range from 1 GPa up to 20 GPa, because the temperature changes due to compression or expansion of the pressure-transmitting medium can be quite pronounced.<>

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6th IEEE Conference Record., Instrumentation and Measurement Technology Conference

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