Thermometry in Normal Liquid 3He Using a Quartz Tuning Fork Viscometer
Thermometry in Normal Liquid 3He Using a Quartz Tuning Fork Viscometer
复制标题
使用石英音叉粘度计测量正常液体 3He 的温度
DOI:
10.1007/s10909-012-0804-3
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发表时间:
2012
影响因子:
2
通讯作者:
Bradley D
中科院分区:
文献类型:
--
作者:
Bradley D
We have developed the use of quartz tuning forks for thermometry in normal liquid3He. We have used a standard 32 kHz tuning fork to measure the viscosity of liquid3He over a wide temperature range, 6 mK<T<1.8 K, at SVP. For thermometry above 40 mK we used a calibrated ruthenium oxide resistor. At lower temperatures we used vibrating wire thermometry. Our data compare well with previous viscosity measurements, and we give a simple empirical formula which fits the viscosity data over the full temperature range. We discuss how tuning forks can be used as convenient thermometers in this range of temperatures with just a single parameter needed for calibration.
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