Instrumentation, Techniques, and Measurement

Temperature measurement of a horizontal cylinder in natural convection using a lateral shearing interferometer with a large shear amount

[+] Author Affiliations
Jinrong Zhu

Hubei University of Technology, Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy, Lijiadun-No. 1 Village, Wuhan 430068, China

Wuhan University of Technology, School of Materials Science and Engineering, 122 Luoshi Road, Wuhan 430070, China

Jinmei Dai, Chunfu Cheng, Jinye Zhang

Hubei University of Technology, Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy, Lijiadun-No. 1 Village, Wuhan 430068, China

Xiaomin Cheng, Yuanyuan Li

Wuhan University of Technology, School of Materials Science and Engineering, 122 Luoshi Road, Wuhan 430070, China

Opt. Eng. 54(3), 034109 (Mar 17, 2015). doi:10.1117/1.OE.54.3.034109
History: Received December 7, 2014; Accepted February 23, 2015
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Abstract.  The temperature field of a horizontal cylinder in natural convection is studied experimentally using a lateral shearing interferometer (LSI) with a large shear amount. Real-time interferograms are obtained with and without the cylinder. The surface temperature of the cylinder dropped from 693.15 K to the ambient temperature 289.03 K. The temperature distribution around the cylinder was reconstructed and fitted using exponential and six-degree-polynomial functions. For high surface temperature, the results indicate that the six-degree-polynomial function has a considerable advantage over the exponential one. Experimental data were compared with that measured by thermocouples within a 0.19% derivation. LSI with a large shear amount can provide accurate measurement of the temperature field around a cylinder with a high surface temperature.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Jinrong Zhu ; Jinmei Dai ; Xiaomin Cheng ; Chunfu Cheng ; Jinye Zhang, et al.
"Temperature measurement of a horizontal cylinder in natural convection using a lateral shearing interferometer with a large shear amount", Opt. Eng. 54(3), 034109 (Mar 17, 2015). ; http://dx.doi.org/10.1117/1.OE.54.3.034109


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