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contributor.authorPatle, S D-
contributor.authorSahoo, R K (Guide)-
identifier.citationAnalysis and Measurement of Thermophysical Properties by Temperature Oscilation, Doctroal Thesis, 2006en
descriptionCopyright for this article belongs to National Institute of Technology, Rourkela, Indiaen
description.abstractThe problem of determining the thermophysical properties of material has been of great interest to scientists and engineers for more than hundred years. The thermophysical study of material has gained much importance recently with the vast development of newer materials. The development, specification, and quality control of materials used in semiconductor devices and thermal management often require the measurement of thermophysical properties where these data can be critical to a successful design........ The experimental results of the thermal diffusivity of the four liquid samples are obtained along with their uncertainties. The total uncertainty assessment has been used for plotting the error bar in the measurement of thermal diffusivity. The reliability of such is evident from its results as compared with the reported values. The deviation from the reported values in literatures are, 6.38%, 9.77%, 10.82%, and 2.74% for the respective samples of ethylene glycol, ethanol, glycerol and water. Due to the periodic nature of temperature oscillation method, the signal to noise ratio has been increased by reducing the random error. The minimum random error of 0.77% is observed for ethylene glycol whereas the maximum random error of 4.66% is obtained for glycerol. Due to the less contribution of random error, the total uncertainty exhibits a low value. Thus the simplicity in experimental procedures based on a lucid theory of temperature oscillation establishes an inexpensive measurement technique, which leads to achieve reliable results.en
format.extent1794489 bytes-
publisherNational Institute of Technology, Rourkela, Indiaen
subjectThermophysical propertiesen
subjectPeriodic heatingen
subjectTemperature oscillationen
subjectTransient techniqueen
subjectPeltier heatingen
titleAnalysis and Measurement of Thermophysical Properties by Temperature Oscilationen
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