Journals / Sivas Cumhuriyet Üniversitesi Bilim ve Teknoloji Dergisi / 2023 / Cilt: 2 Sayı: 1

Numerical Investigation of Flow and Heat Transfer Characteristics in a Corrugated Channel Equipped With Obstacles

Engellerle Donatılmış Oluklu Bir Kanal İçerisindeki Akış ve Isı Transferi Karakteristiklerinin Sayısal Olarak İncelenmesi

Pages
44–49
Publication Date
2023-06-30
DOI
—
🏛️Bibliographic metadata and full text access for this article are provided via DergiPark.
DergiPark Record ↗
✨

AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The highest Nusselt number and performance evaluation criteria values were obtained, respectively, for corrugated channels with obstacles with =450 =900 and =1350.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the turbulent flow and heat characteristics of a corrugated channel equipped with obstacles were investigated experimentally.
📊
Key Findings & Data:The obstacles were placed on the bottom wall of the channel at three different angles of =450, 900 and 1350 with respect to the incoming flow.
💡
Conclusion & Impact:The highest Nusselt number and performance evaluation criteria values were obtained, respectively, for corrugated channels with obstacles with =450 =900 and =1350.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Isı Transferi Artırma · Kanal Akışı · Oluklu Yüzey

Abstract

In this study, the turbulent flow and heat characteristics of a corrugated channel equipped with obstacles were investigated experimentally. The obstacles were placed on the bottom wall of the channel at three different angles of =450, 900 and 1350 with respect to the incoming flow. The velocity and turbulence kinetic energy contours and average Nusselt number, friction factor, pressure drop and thermal-hydraulic performance evaluation criteria distributions were presented. The highest Nusselt number and performance evaluation criteria values were obtained, respectively, for corrugated channels with obstacles with =450 =900 and =1350.

Özet

Bu çalışmada engellerle donatılmış oluklu bir kanalın türbülanslı akış ve ısı transferi karakteristikleri sayısal olarak incelenmiştir. Engeller kanal alt yüzeyine akışa göre üç farklı açıda (450, 900 ve 1350) yerleştirilmiştir. Hız ve türbülans kinetik enerji konturları ve ortalama Nusselt sayısı, sürtünme faktörü, basınç düşüşü ve termal-hidrolik performans değerlendirme kıstas dağılımları sunulmuştur. En yüksek Nusselt sayısı ve performans değerlendirme kıstası, sırasıyla, =450 =900 and =1350 oluklu-engelli kanallar için elde edilmiştir.

🔖

Cite This Article

GÜRLEK, C., KOCA, F. (2023). Numerical Investigation of Flow and Heat Transfer Characteristics in a Corrugated Channel Equipped With Obstacles. Sivas Cumhuriyet Üniversitesi Bilim ve Teknoloji Dergisi, Cilt: 2 Sayı: 1, 44–49. https://ajindex.com/articles/978054

📄 Full Text PDF Viewer

📄

PDF görüntüleyici hazırlanıyor...

References (11)

  1. Ahn, S. W. (2001). The Effects of Roughness Types on Friction Factors and Heat Transfer in Roughened Rectangular Duct. Int. Comm. Heat Mass Transfer, 28 (7), 933-942. https://doi.org/10.1016/S0735-1933(01)00297-4
  2. Ajeel, R. K., Salim, WS-IW. & Hasnan, K. (2019). Experimental and Numerical Investigations of Convection Heat Transfer in Corrugated Channels Using Alumina Nanofluid Under a Turbulent Flow Regime. Chemical Engineering Research and Design, 148, 202-217. https://doi.org/10.1016/j.cherd.2019.06.003
  3. Casarsa, L. & Arts, T. (2005). Experimental Investigation of the Aerothermal Performance of a High Blockage Rib-Roughened Cooling Channel. ASME J. Turbomachinery, 127 (3), 580-588. https://doi.org/10.1115/1.1928933.
  4. Chung, H. S., Lee, G. H., Nine, M. J, Bae, K. & Jeong, H. M. (2014). Study on the Thermal and Flow Characteristics on the Periodically Arranged Semi-Circular Ribs in a Rectangular Channel. Exp. Heat Transfer, 27 (1), 56-71. https://doi.org/10.1080/08916152.2012.719067
  5. Eimsa-ard, S. & Promvonge P. (2009). Thermal Characteristics of Turbulent Rib-Grooved Channel Flows. Int. Comm. Heat Mass Transfer, 36 (7), 705-711. https://doi.org/10.1016/j.icheatmasstransfer.2009.03.025
  6. Gururatana, S. (2012). Numerical Simulation of Micro-Channel Heat Sink with Dimpled Surfaces. American Journal of Applied Sciences, 9(3), 399-404. https://doi.org/10.3844/ajassp.2012.399.404
  7. Hamad, A. J. & Ajeel, R. K. (2022). Combined Effect of Oblique Ribs and a Nanofluid on the Thermal-Hydraulic Performance of a Corrugated Channel: Numerical Study. J Eng Phys Thermophy, 95, 970-978. https://doi.org/10.1007/s10891-022-02552-5
  8. Han, J. C. & Park, J. S. (1988). Developing Heat Transfer in Rectangular Channels with Rib Turbulators. Int. J. Heat Mass Transfer, 31 (1), 183-195. https://doi.org/10.1016/0017-9310(88)90235-9
  9. He, Z., Yan, Y., Feng, S., Li, X. & Zhongqing, Y. (2021). Numerical Study of Thermal Enhancement in a Micro-Heat Sink With Ribbed Pin-Fin Arrays. J Therm Anal Calorim, 143, 2163–2177. https://doi.org/10.1007/s10973-020-09739-z
  10. Hilo, A. K., Talib, A. R. A, Iborra, A. A, Sultan, M. T. H. & Hamid, M. F A. (2020). Effect of Corrugated Wall Combined with Backward-Facing Step Channel on Fluid Flow And Heat Transfer. Energy, 190, 116294. https://doi.org/10.1016/j.energy.2019.116294
  11. Koca, F. (2022). Numerical Investigation of Corrugated Channel with Backward-Facing Step in Terms of Fluid Flow and Heat Transfer. J. Engin. Thermophys. 31, 187–199. https://doi.org/10.1134/S1