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Author:

Liu, Zhigang (Liu, Zhigang.) | Zhao, Yaohua (Zhao, Yaohua.) (Scholars:赵耀华) | Takei, Masahiro (Takei, Masahiro.)

Indexed by:

EI Scopus SCIE

Abstract:

Distilled water and nitrogen gas used as the working fluids flow through the stainless steel microtube with inner diameter 168 mu m outer diameter 406 mu m. Using the Joule heating, the wall temperature field photos of the microtube is acquired by employing an IR camera and the temperature and the volume flow rate of the inlet and the outlet of microtube are measured. A correlation between the axial wall heat conduction and the convective heat transfer is obtained by theoretical analysis based on the experimental results. The investigative results clearly show that the axial heat conduction can reduce the convective heat transfer in the stainless steel microtube and the decrement may reach 2% compared to the convective heat transfer when the working fluid is nitrogen gas, however, the decrement can be neglected for distilled water as the working fluid.

Keyword:

Author Community:

  • [ 1 ] Beijing Univ Technol, Dept Heating Ventilating & Air Conditioning, Beijing, Peoples R China
  • [ 2 ] Shandong Acad, Energy Res Inst, Jinan, Peoples R China
  • [ 3 ] Nihon Univ, Dept Mech Engn, Tokyo, Japan

Reprint Author's Address:

  • 赵耀华

    [Zhao, Yaohua]Beijing Univ Technol, Dept Heating Ventilating & Air Conditioning, Beijing, Peoples R China

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Source :

HEAT AND MASS TRANSFER

ISSN: 0947-7411

Year: 2007

Issue: 6

Volume: 43

Page: 587-594

2 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

JCR Journal Grade:4

Cited Count:

WoS CC Cited Count: 17

SCOPUS Cited Count: 18

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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