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Numerical comparison study on heat transfer enhancement of different cross-section wire coils insert with varying pitches in a duct

Year 2021, , 1683 - 1693, 18.11.2021
https://doi.org/10.18186/thermal.1025930

Abstract

Heat transfer enhancement (HTE) efforts spent during the last half-century have become one of the most important working areas of researchers from both academia and industry. One of the most popular passive methods, with regard to the price-performance ratio, is to place wire coils in a pipe or duct. In this study, the heat and pressure drop characteristics of diamond, triangular, and circular cross-sectional wire coils (DWC, TWC, and CWC) in a square duct were investigated by using the FLUENT program. In addition to the cross-section examination, the thermo-hydraulic behavior of three different pitches (p = 54, 72, and 90 mm) for the specified geometries were also investigated. The Reynolds number was between 4387 and 18,415. The square duct was 1.25 m in length, and was 18 mm in diameter. The results showed that the Nusselt number of CWC, TWC, and DWC were higher than that of a smooth pipe within 38–88%, 37–93%, and 38–98% range, respectively. The friction of CWC, TWC, and DWC was observed to be higher than that of a plain tube within a range of 87–278%, 82–266%, and 107–366%, respectively. The TWC with 90 mm pitch showed the highest heat transfer performance evaluation criteria (PEC) with a performance coefficient of 1.3 at Reynolds number of 4504, whereas the DWC with 54 mm pitch was observed to show the lowest PEC. Thus, the as-obtained PEC, which is 30% higher than that of a plain tube, indicates the prominence and effectiveness of the numerical study in increasing the heat transfer.

References

  • The article references can be accessed from the .pdf file.
Year 2021, , 1683 - 1693, 18.11.2021
https://doi.org/10.18186/thermal.1025930

Abstract

References

  • The article references can be accessed from the .pdf file.
There are 1 citations in total.

Details

Primary Language English
Subjects Thermodynamics and Statistical Physics
Journal Section Articles
Authors

Taha Tuna Göksu 0000-0003-2028-3362

Fuat Yılmaz This is me 0000-0001-8910-7231

Publication Date November 18, 2021
Submission Date February 14, 2020
Published in Issue Year 2021

Cite

APA Göksu, T. T., & Yılmaz, F. (2021). Numerical comparison study on heat transfer enhancement of different cross-section wire coils insert with varying pitches in a duct. Journal of Thermal Engineering, 7(7), 1683-1693. https://doi.org/10.18186/thermal.1025930
AMA Göksu TT, Yılmaz F. Numerical comparison study on heat transfer enhancement of different cross-section wire coils insert with varying pitches in a duct. Journal of Thermal Engineering. November 2021;7(7):1683-1693. doi:10.18186/thermal.1025930
Chicago Göksu, Taha Tuna, and Fuat Yılmaz. “Numerical Comparison Study on Heat Transfer Enhancement of Different Cross-Section Wire Coils Insert With Varying Pitches in a Duct”. Journal of Thermal Engineering 7, no. 7 (November 2021): 1683-93. https://doi.org/10.18186/thermal.1025930.
EndNote Göksu TT, Yılmaz F (November 1, 2021) Numerical comparison study on heat transfer enhancement of different cross-section wire coils insert with varying pitches in a duct. Journal of Thermal Engineering 7 7 1683–1693.
IEEE T. T. Göksu and F. Yılmaz, “Numerical comparison study on heat transfer enhancement of different cross-section wire coils insert with varying pitches in a duct”, Journal of Thermal Engineering, vol. 7, no. 7, pp. 1683–1693, 2021, doi: 10.18186/thermal.1025930.
ISNAD Göksu, Taha Tuna - Yılmaz, Fuat. “Numerical Comparison Study on Heat Transfer Enhancement of Different Cross-Section Wire Coils Insert With Varying Pitches in a Duct”. Journal of Thermal Engineering 7/7 (November 2021), 1683-1693. https://doi.org/10.18186/thermal.1025930.
JAMA Göksu TT, Yılmaz F. Numerical comparison study on heat transfer enhancement of different cross-section wire coils insert with varying pitches in a duct. Journal of Thermal Engineering. 2021;7:1683–1693.
MLA Göksu, Taha Tuna and Fuat Yılmaz. “Numerical Comparison Study on Heat Transfer Enhancement of Different Cross-Section Wire Coils Insert With Varying Pitches in a Duct”. Journal of Thermal Engineering, vol. 7, no. 7, 2021, pp. 1683-9, doi:10.18186/thermal.1025930.
Vancouver Göksu TT, Yılmaz F. Numerical comparison study on heat transfer enhancement of different cross-section wire coils insert with varying pitches in a duct. Journal of Thermal Engineering. 2021;7(7):1683-9.

IMPORTANT NOTE: JOURNAL SUBMISSION LINK http://eds.yildiz.edu.tr/journal-of-thermal-engineering