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Forced convection and pressure drop in a horizontal triangular-sectional duct with V-grooved (i.e. orthogonal to the mean flow) inner surfaces

Author

Listed:
  • Leung, C. W.
  • Chen, S.
  • Wong, T. T.
  • Probert, S. D.

Abstract

An experimental investigation has been performed to study the forced convection and pressure-drop characteristics fully-developed steady turbulent flows in air-cooled, horizontal, equilateral-triangular ducts. These ducts were constructed of duralumin, each of the same axial length and hydraulic diameter. The inner surfaces of each duct were either plane or machined with uniformly-spaced parallel, identical V-grooves. For each tested duct, these grooves had a depth of 1 mm, but were all of the same apex angle, [theta], where 0[less-than-or-equals, slant][theta]

Suggested Citation

  • Leung, C. W. & Chen, S. & Wong, T. T. & Probert, S. D., 2000. "Forced convection and pressure drop in a horizontal triangular-sectional duct with V-grooved (i.e. orthogonal to the mean flow) inner surfaces," Applied Energy, Elsevier, vol. 66(3), pages 199-211, July.
    • Handle: RePEc:eee:appene:v:66:y:2000:i:3:p:199-211
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    References listed on IDEAS

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    1. Leung, C. W. & Probert, S. D., 1997. "Forced-convective turbulent-flows through horizontal ducts with isosceles-triangular internal cross-sections," Applied Energy, Elsevier, vol. 57(1), pages 13-24, May.
    2. Leung, C. W. & Chan, T. L. & Probert, S. D. & Kang, H. J., 1999. "Forced convection from a horizontal ribbed rectangular base-plate penetrated by arrays of holes," Applied Energy, Elsevier, vol. 62(2), pages 81-95, February.
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    Cited by:

    1. Kumar, Rajneesh & Varun, & Kumar, Anoop, 2016. "Thermal and fluid dynamic characteristics of flow through triangular cross-sectional duct: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 61(C), pages 123-140.
    2. Nidhul, Kottayat & Kumar, Sachin & Yadav, Ajay Kumar & Anish, S., 2020. "Enhanced thermo-hydraulic performance in a V-ribbed triangular duct solar air heater: CFD and exergy analysis," Energy, Elsevier, vol. 200(C).
    3. Ma, Ting & Wang, Qiu-wang & Zeng, Min & Chen, Yi-tung & Liu, Yang & Nagarajan, Vijaisri, 2012. "Study on heat transfer and pressure drop performances of ribbed channel in the high temperature heat exchanger," Applied Energy, Elsevier, vol. 99(C), pages 393-401.

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    1. Ma, Ting & Wang, Qiu-wang & Zeng, Min & Chen, Yi-tung & Liu, Yang & Nagarajan, Vijaisri, 2012. "Study on heat transfer and pressure drop performances of ribbed channel in the high temperature heat exchanger," Applied Energy, Elsevier, vol. 99(C), pages 393-401.
    2. Nidhul, Kottayat & Kumar, Sachin & Yadav, Ajay Kumar & Anish, S., 2020. "Enhanced thermo-hydraulic performance in a V-ribbed triangular duct solar air heater: CFD and exergy analysis," Energy, Elsevier, vol. 200(C).
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    4. Leung, C. W. & Wong, T. T. & Probert, S. D., 2001. "Enhanced forced-convection from ribbed or machine-roughened inner surfaces within triangular ducts," Applied Energy, Elsevier, vol. 69(2), pages 87-99, June.

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