Simultaneous absolute measurements of the thermal diffusivity and the thermal effusivity in solids and liquids using photopyroelectric calorimetry

被引：46
|
作者：
Zammit, U. [1 ]
Mercuri, F. [1 ]
Paoloni, S. [1 ]
Marinelli, M. [1 ]
Pizzoferrato, R. [1 ]
机构：
[1] Univ Roma Tor Vergata, Dipartimento Ingn Ind, I-00133 Rome, Italy
来源：
JOURNAL OF APPLIED PHYSICS | 2015年 / 117卷 / 10期
关键词：
HEAT CAPACITY; CONDUCTIVITY; STATES; SI; SPECTROSCOPY; TEMPERATURE; ABSORPTION; TRANSITION; PARAMETERS; CELL;
D O I：
10.1063/1.4914491
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on the simultaneous "absolute" measurements of the thermal diffusivity and of the thermal effusivity in solid and liquid samples by using only the phase of the so called self-normalized Photopyroelectric signal, performing no other normalization/calibration procedure than that carried out during the actual measurements. Measurements, performed as a function of temperature, are characterized by a temperature resolution adequate to study phase transitions. The obtained results are in excellent agreement with those obtained in the previous studies. (C) 2015 AIP Publishing LLC.
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页数：8
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