Analysis of temperature and heat measurement on twophase flow nucleate boiling with R-290 in microchannel

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Abstract

Research of two-phase flow boiling in microchannel has been done intensively. Microchannel has been increasingly applied in industrial equipment, especially for cooling system. Measurement of temperature and heat on the test section of microchannel became the main concern on this research. The aims of this research is to study a characteristic of temperature measurement and heat on two-phase flow boiling with R-290 in microchannels. The research method that is used including evaporative process at the test section with electrical heating. There are 10 type K thermocouple placed on the surface of test section and an immersed thermocouple to measure inlet and outlet temperature difference. In order to determine heat received and error, the statistical and mathematical approach were conducted. The average uncertainty of heat received on two-phase flow boiling was 0.05 Watt. Heat transfer coefficient of two-phase flow has been determined based on temperature measurement.

Original languageEnglish
Pages (from-to)87-94
Number of pages8
JournalJournal of Advanced Research in Fluid Mechanics and Thermal Sciences
Volume54
Issue number1
Publication statusPublished - 1 Feb 2019

Keywords

  • Heat
  • Measurement
  • Microchannel
  • Nucleate Boiling
  • R-290
  • Temperature
  • Twophase

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