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Evaluation of real-time ice concentration inside pipeline by the refractive index method

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Abstract

Ice fraction (or ice concentration, IC) of the ice slurry flowing through the pipe is very difficult to measure directly and in real time in ice slurry type system in thermal energy storage system. Measuring IC is very important to calculate the capacity of cold energy supplied through a pipeline. Ice fraction measurement methods have been reported as using density, electric resistance, electric conductivity, freezing point etc. However, the conventional methods are not perfect in terms of the resolution and accuracy. In this study, a new method is suggested to measure the IC of the ice slurry flowing through a pipe, which is used for a refractometer with low electrical noise and high resolution. To measure IC of the flowing ice slurry aqueous solution in pipe, it was installed in the test section to mass flow meter, refractometer, cyclone, and RTD (Resistance temperature detector) sensor. From the experiment, IC measurement method by using refractive index showed better result than others for the ice slurry in pipeline flowing or slurry tank.

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Authors and Affiliations

  1. Graduate School, Chonbuk National University, Jeonju-si, 561-756, Korea

    Donggyu Lee

  2. Thermal & Fluid Sytem R&BD Group, Korea Institute of Industrial Technology (KITECH), Cheonan-si, 331-822, Korea

    Dong-Yeol Chung & Jong-Hyeon Peck

  3. Dept. of Mechanical Engineering and Geothermal Energy Technology Research Center, Chonbuk National University, Jeonju-si, 561-756, Korea

    Chaedong Kang

Authors
  1. Donggyu Lee
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  2. Dong-Yeol Chung
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  3. Chaedong Kang
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  4. Jong-Hyeon Peck
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Corresponding author

Correspondence to Jong-Hyeon Peck.

Additional information

Recommended by Associate Editor Jae Dong Chung

Donggyu Lee received the B.S. and M.S. in Mechanical Engineering from Chonbuk National University in 2006 and 2008. And, he then earned his Dr. Engineering from the Chonbuk national university in 2015. His research interests are in the areas of refrigeration, HVACs, ice storage systems, geothermal energy system.

Dong-Yeol Chung received the B.S. and M.S. in mechanical engineering from Kyunghee University in 2003 and 2005. He completed coursework in mechanical engineering from Chonbuk National University in 2014, and is currently a researcher at Korea Institute of Industrial Technology (KITECH) in Cheonan, Korea. His research interests are in the areas of refrigeration, HVACs, thermal energy storage material and system.

Chaedong Kang received a B.S. in Mechanical Engineering from Kyunghee University in 1985 and an M.S. from KAIST in 1989. He then earned his Dr.Eng. from the Tokyo Institute of Technology in 1997. Dr. Kang is currently an Associate Professor of the Department of Mechanical Engineering at Chonbuk National University in Jeonju, Korea. His research interests are in the areas of refrigeration, building HVACs, ice storage systems, and molecular simulation.

Jong-Hyeon Peck received B.S. and M.S. in Chemical Engineering from TU Clausthal in 1990 and 1993. And, he then earned his Dr. Engineering from the Chonbuk National University in 2015. He is currently a principal researcher at Korea Institute of Industrial Technology (KITECH) in Cheonan, Korea. His research interests are in the areas of refrigeration, HVACs, thermal energy storage material and system.

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Lee, D., Chung, DY., Kang, C. et al. Evaluation of real-time ice concentration inside pipeline by the refractive index method. J Mech Sci Technol 29, 2227–2235 (2015). https://doi.org/10.1007/s12206-015-0443-0

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  • DOI: https://doi.org/10.1007/s12206-015-0443-0

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