Measurement of Thermal Conductivity of Liquid Based on Transient Double-Hot Wire Technique

Zhuang Shao; Zhi Xia He; Ze Peng Wang; Liang Zhang

doi:10.4028/www.scientific.net/AMR.694-697.1183

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 694-697Measurement of Thermal Conductivity of Liquid...

Measurement of Thermal Conductivity of Liquid Based on Transient Double-Hot Wire Technique

Abstract:

A new experimental apparatus has been developed for measuring the thermal conductivity of liquid by the two transient hot-wire method, which is based on the theory of one-dimensional unsteady heat conduction in infinite medium. The glass tubes, the heating line source and temperature measurement devices are designed in this experiment. As the temperature controller, low-temperature bath provides a constant water bath environment and current calibrator is the power source. Wheatstone bridge is used to test the relation between the temperature changes and resistance. Data acquisition and control unit is data acquisition devices of the Wheatstone bridge. As the temperature coefficient of platinum wire resistance is calibrated. It can be used to measure 32 groups of data from 10°C to 40°C at the every 10°C according to the experimental steps.

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Periodical:

Advanced Materials Research (Volumes 694-697)

Pages:

1183-1186

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.694-697.1183

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Online since:

May 2013

Authors:

Zhuang Shao, Zhi Xia He, Ze Peng Wang, Liang Zhang

Keywords:

Double-Hot Wire, Thermal Conductivity (TC), Transient Measurement, Wheatstone Bridge

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References

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