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CFD Study of Behavior of Transition Flow in Distinct Tubes of Miscellaneous Tape Insertions

Taiwo O. Oni

Abstract


Application of transition flow can be found in several processes and systems. It has been revealed through findings from various researchers that the values of Reynolds numbers at which transition flow occurs vary. In the current work, investigations were numerically conducted by Fluent on transition of water flow in three assorted plain tubes fitted with miscellaneous tape insertions. They are plain tube with crossed-axes-circle-cut tape insert (C-C tube), plain tube with crossed-axes-triangle-cut tape insert (C-T tube), and plain tube with crossed-axes-ellipse-cut tape insert (C-E tube). The focus of the work is to explore the influence of the tape insertion on commencement and finish of transition flow in the tubes with respect to the Reynolds number of the flow. The Reynolds number (Re) taken into account for the transition flow is 2,150≤Re≤4,650, and the variation of Shear-Stress Transport κ-ω model that deals with transition flow was utilized. The results showed that transition flow starts at Re=2,300 and finishes at Re=4,400 in C-T tube, starts at Re=2,780 and finishes at Re=4,610 in C-C tube, but starts at Re=2,550 and finishes at Re=4,500 in C-E tube. The Nusselt number in C-T tube is 19.3% to 45.6% higher than that in C-C tube, but the Nusselt number in C-T tube is 3.6% to 28.3% more than that in C-E tube. The friction factor in C-T tube is 2.15% to 4.56% higher than that in C-C tube; the friction factor in C-T tube is 0.83% to 3.33% more than that in C-E tube. These results indicate that for the case of the tubes considered in this work, the C-T tube, which is the first one in which transition flow commences and ends, has the highest Nusselt number, but C-C tube, in which transition flow commences and finishes last, has the least Nusselt number. Interestingly, the same phenomenon applies to the friction factor.

 

Doi: 10.28991/HIJ-2022-03-02-02

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Keywords


Heat Transfer; Transition Flow; Thermo-Hydraulic; Induced Tubes; Friction Factor; CFD.

References


Reynolds, O. (1883). An experimental investigation of the circumstances which determine whether the motion of water shall be direct or sinuous, and of the law of resistance in parallel channels. Philosophical Transactions of the Royal Society of London, 174, 935–982. doi:10.1098/rstl.1883.0029.

Cengel, Y. A. (2002). Table A-15 Properties of air at 1 atm pressure. Heat Transfer and Mass Transfer—A Practical Approach, 3rd ed. McGraw–Hill: New York, NY, USA.

Mullin, T. (2011). Experimental studies of transition to turbulence in a pipe. Annual Review of Fluid Mechanics, 43, 1–24. doi:10.1146/annurev-fluid-122109-160652.

Reynolds, O. (1895). On the dynamical theory of incompressible viscous fluids and the determination of the criterion. Philosophical Transactions of the Royal Society of London. (A.), 186, 123–164. doi:10.1098/rsta.1895.0004.

Ekman, V. W. (1910). On the change from steady to turbulent motion of liquids. In Arkiv för Matematik, Astronomi och Fysik, 6(12). Almqvist & Wiksell, Sweden.

Pfenniger, W., & Lachman, G. V. (1961). Boundary layer and flow control. GV Lachmann, Ed. 2, 970, Pergamon. doi:10.1016/c2013-0-08248-5.

Qian, S., Wu, J., Xu, H., & Ma, F. (2021). Transition flow occurrence on stepped channels. Journal of Hydraulic Research, 1–9. doi:10.1080/00221686.2021.1978569.

Piotrowski, M. G. H., & Zingg, D. W. (2021). Smooth Local Correlation-Based Transition Model for the Spalart–Allmaras Turbulence Model. AIAA Journal, 59(2), 474–492. doi:10.2514/1.j059784.

Bergles, A. E. (1998). Techniques to enhance heat transfer. In Rohsenow, W. M., Hartnett, J. P., & Cho, Y. I. (Editors), Handbook of Heat Transfer. Chapter 11, pages 11.1 – 11.76. McGraw-Hill, New York, NY, USA.

Manglik, R. M. (2003). Heat transfer enhancement. In Bejan, A., & Kraus, A. D. (Editors), Heat Transfer Handbook. Chapter 14, pages 1029 – 1130. John Wiley & sons, New Jersey, NJ, USA.

Abbaspour, M., Mousavi Ajarostaghi, S. S., Hejazi Rad, S. A. H., & Nimafar, M. (2021). Heat transfer improvement in a tube by inserting perforated conical ring and wire coil as turbulators. Heat Transfer, 50(6), 6164–6188. doi:10.1002/htj.22167.

García, A., Solano, J. P., Vicente, P. G., & Viedma, A. (2007). Enhancement of laminar and transitional flow heat transfer in tubes by means of wire coil inserts. International Journal of Heat and Mass Transfer, 50(15–16), 3176–3189. doi:10.1016/j.ijheatmasstransfer.2007.01.015.

Liao, G., Li, Z., Zhang, F., Liu, L., & E, J. (2021). A Review on the Thermal-Hydraulic Performance and Optimization of Compact Heat Exchangers. Energies, 14(19), 6056. doi:10.3390/en14196056.

Naik, M. T., & Sundar, L. S. (2014). Heat Transfer and Friction Factor with Water/Propylene Glycol-Based CuO Nanofluid in Circular Tube with Helical Inserts under Transition Flow Regime. Heat Transfer Engineering, 35(1), 53–62. doi:10.1080/01457632.2013.810451.

Martínez, D. S., García, A., Solano, J. P., & Viedma, A. (2014). Heat transfer enhancement of laminar and transitional Newtonian and non-Newtonian flows in tubes with wire coil inserts. International Journal of Heat and Mass Transfer, 76, 540–548. doi:10.1016/j.ijheatmasstransfer.2014.04.060.

Rossi, R., Cattani, L., Mocerino, A., Bozzoli, F., Rainieri, S., Caminati, R., & Pagliarini, G. (2017). Numerical analysis of flow resistance and heat transfer in the transitional regime of pipe flow with twisted-tape turbulators. Journal of Physics: Conference Series, 923(1), 12033. doi:10.1088/1742-6596/923/1/012033.

Meyer, J. P., & Abolarin, S. M. (2018). Heat transfer and pressure drop in the transitional flow regime for a smooth circular tube with twisted tape inserts and a square-edged inlet. International Journal of Heat and Mass Transfer, 117, 11–29. doi:10.1016/j.ijheatmasstransfer.2017.09.103.

Chaware, P., & Sewatkar, C. M. (2019). Flow transitions for flow through a pipe with a twisted tape insert. Transactions of the American Society of Mechanical Engineers, Journal of Fluids Engineering, 141, 111110.1–111110.10. doi:10.1115/1.4043557.

Abolarin, S. M., Everts, M., & Meyer, J. P. (2019). Heat transfer and pressure drop characteristics of alternating clockwise and counter clockwise twisted tape inserts in the transitional flow regime. International Journal of Heat and Mass Transfer, 133, 203–217. doi:10.1016/j.ijheatmasstransfer.2018.12.107.

Hou, Z. (2020). The transition of herba fluid flow patten in a circular tube. IOP Conference Series: Materials Science and Engineering, 768(4), 42049. doi:10.1088/1757-899X/768/4/042049.

Chaurasia, S. R., & Sarviya, R. M. (2021). Comparative thermal hydraulic performance analysis on helical screw insert in tube with different number of strips in transition flow regime. Heat and Mass Transfer/Waerme- Und Stoffuebertragung, 57(1), 77–91. doi:10.1007/s00231-020-02934-6.

Dang, Z., Wang, G., & Ishii, M. (2021). Two-phase interfacial structure of bubbly-to-slug transition flows in a 12.7 mm ID vertical tube. International Journal of Heat and Mass Transfer, 165, 120556. doi:10.1016/j.ijheatmasstransfer.2020.120556.

Abraham, J. P., Sparrow, E. M., & Tong, J. C. K. (2009). Heat transfer in all pipe flow regimes: laminar, transitional/intermittent, and turbulent. International Journal of Heat and Mass Transfer, 52(3–4), 557–563. doi:10.1016/j.ijheatmasstransfer.2008.07.009.

Fluent. (2006). Fluent User’s Guide. Computational fluid dynamic software, Fluent Inc, New York, NY, USA.

Patankar, S. V., & Spalding, D. B. (1972). A calculation procedure for heat, mass and momentum transfer in three-dimensional parabolic flows. International Journal of Heat and Mass Transfer, 15(10), 1787–1806. doi:10.1016/0017-9310(72)90054-3.


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DOI: 10.28991/HIJ-2022-03-02-02

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