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Nadgaran H, Pourmand R. The Investigation of Accuracy of Microspherical Resonators for Heat Conduction Measurement in The Gas samples . ICOP & ICPET _ INPC _ ICOFS 2014; 20 :777-780
URL: http://opsi.ir/article-1-318-en.html
URL: http://opsi.ir/article-1-318-en.html
1- Shiraz University
Abstract: (4896 Views)
The accuracy of optical microspherical resonators in measuring gas heat coefficients is investigated. In these systems, the microcavity is heated by radiation of a diode laser and its thermal relaxation rate which is proportional to the gas thermal conduction coefficient is measured. Due to the presence of dynamic thermal situation, in addition to microcavity itself, ambient factors can also affect the heat transport phenomenon in these systems. So considering the dependency of microcavity thermal relaxation rate on surrounding physical parameters, we determine the correction terms for heat parameter relations which is important in obtaining reliable results by these systems.
Keywords: Heat transport, Resonance frequency shift, Optical sensors, Gas heat conduction coefficient, Spherical microcavity
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