Construction, calibration and testing of a decimeter-size heat-flow calorimeter
Zhang, Wu-Shou
AbstractA heat-flow calorimeter was designed and built. Its measurements are 26 cm x 26 cm x 26 cm (17.6 dm(3)). 18,796 thermocouples are used to measure the heat-flow from the vessel walls to the outer walls, for which temperature is controlled within 0.01 degrees C from 0 to 100 degrees C by a refrigerating/heating circulator. Homogeneity of temperature in the measuring vessel is improved by a fan with constant power. The calibration was performed with an electric heater, with input power up to 50 W. The device constant is 5.8954+/-0.0025 WV(-1); the time constant is 501.7+/-3.2s; the uncertainty is 0.6% at 2 W to 0.06% at 50 W. Nonlinearity of this calorimeter is analyzed. The calorimeter can be utilized for studies of kinetics and thermodynamics of physical, chemical and biological systems of decimeter-size. A Sony 26650 Li-ion rechargeable battery was tested with this device during charging and discharging, and an electrolytic cell with Pd-D(2)O was also tested with this device. (C) 2009 Elsevier B.V. All rights reserved.
KeywordCalorimetry Heat-flow Calorimeter Heat-conduction Calorimeter Thermo-kinetics
Indexed BySCI
WOS IDWOS:000275257200021
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang, Wu-Shou
AffiliationChinese Acad Sci, Beijing Natl Lab Mol Sci, Key Lab Colloid Interface & Chem Thermodynam, Inst Chem, Beijing 100190, Peoples R China
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GB/T 7714
Zhang, Wu-Shou. Construction, calibration and testing of a decimeter-size heat-flow calorimeter[J]. THERMOCHIMICA ACTA,2010,499(1-2):128-132.
APA Zhang, Wu-Shou.(2010).Construction, calibration and testing of a decimeter-size heat-flow calorimeter.THERMOCHIMICA ACTA,499(1-2),128-132.
MLA Zhang, Wu-Shou."Construction, calibration and testing of a decimeter-size heat-flow calorimeter".THERMOCHIMICA ACTA 499.1-2(2010):128-132.
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