Experimental and CFD Analysis of Two-Phase Forced Convection Flow in Channels of Various Rib Shapes
Keywords:CFD, Rib-grooves, Rectangular channel, Two-phase flow, turbulent flow
This paper investigates numerically and experimentally heat transfer forced convective two-phase flow (i.e. air and water) over a rectangular ribbed channel with a vertical orientation. Three distinct rib–groove shapes have been examined. Ribs - groove shapes are; Triangle, Trapezoid, and Semi-Trapezoid ribs-groove. The present study has been performed with continuous heat flux through range of water and air superficial inlet velocity values between 0.105 – 0.316m/s, and 0.263 – 1.320 m/s, respectively. Continuity, momentum and energy calculations have been formulated using the Finite Volume Approach (FVM). Results indicate that the triangle rib-groove has the high heat transfer coefficient and lower temperature difference than other cases against a different number of Reynolds. The experimental data has been compared to numerical results for ribs –grooved channel with deviation of about 1.0% - 7.5%. The channel fitted with triangle ribs shows the highest heat transfer, which is about 59% higher than the smooth channel; 56% for trapezoidal rib, and 44% for channel fitted by semi-trapezoidal rib. Finally, the triangle rib-groove gives a better heat transfer improvement value in comparison with trapezoidal and semi trapezoidal rib-groove channel at constant pumping power.
Al-Shamani, Ali Najah, K. Sopian, and H. A. Mohammed. "Sohif Mat, Mohd Hafidz Ruslan, Azher M." Abed, Enhancement heat transfer characteristics in the channel with Trapezoidal rib–groove using nanofluids, Case Stud. Therm. Eng 5 (2015): 48-58. https://doi.org/10.1016/j.csite.2014.12.003
Mohammed, H. A., Azher M. Abed, and M. A. Wahid. "The effects of geometrical parameters of a corrugated channel with in out-of-phase arrangement." International Communications in Heat and Mass Transfer 40 (2013): 47-57. https://doi.org/10.1016/j.icheatmasstransfer.2012.10.022
Oleiwi, Sarah, and Riyadh Al-Turaihi. "The effect of ribs height in two phase flow (air-water) on heat transfer coefficient in vertical ribbed duct." Ain Shams Engineering Journal 10, no. 4 (2019): 801-810. https://doi.org/10.1016/j.asej.2019.01.002
Al—Jibory, M., R. Al—Turaihi, and H. Al—Jibory. "An experimental and numerical study for two phase flow (water-air) in rectangular ducts with compound turbulators." In IOP Conference Series: Materials Science and Engineering, IOP Publishing. 2018. https://doi.org/10.1088/1757-899X/433/1/012049
Abed, Azher M., K. Sopian, H. A. Mohammed, M. A. Alghoul, Mohd Hafidz Ruslan, Sohif Mat, and Ali Najah Al-Shamani. "Enhance heat transfer in the channel with V-shaped wavy lower plate using liquid nanofluids." Case Studies in Thermal Engineering 5 (2015): 13-23. https://doi.org/10.1016/j.csite.2014.11.001
Abed, Azher M., M. A. Alghoul, K. Sopian, H. A. Mohammed, and Ali Najah Al-Shamani. "Design characteristics of corrugated trapezoidal plate heat exchangers using nanofluids." Chemical Engineering and Processing: Process Intensification 87 (2015): 88-103. https://doi.org/10.1016/j.cep.2014.11.005
Manca, Oronzio, Sergio Nardini, and Daniele Ricci. "Numerical study of air forced convection in a channel provided with inclined ribs." Frontiers in Heat and Mass Transfer (FHMT) 2, no. 1 (2011). https://doi.org/10.5098/hmt.v2.1.3007
Ansari, M. R., and B. Arzandi. "Two-phase gas–liquid flow regimes for smooth and ribbed rectangular ducts." International Journal of Multiphase Flow 38, no. 1 (2012): 118-125. https://doi.org/10.1016/j.ijmultiphaseflow.2011.08.008
San, Jung-Yang, and Wen-Chieh Huang. "Heat transfer enhancement of transverse ribs in circular tubes with consideration of entrance effect." International Journal of Heat and Mass Transfer 49, no. 17-18 (2006): 2965-2971.
Pinelli, Davide, and Franco Magelli. "Analysis of the fluid dynamic behavior of the liquid and gas phases in reactors stirred with multiple hydrofoil impellers." Industrial & engineering chemistry research 39, no. 9 (2000): 3202-3211. https://doi.org/10.1021/ie000216+
Behnampour, Ali, Omid Ali Akbari, Mohammad Reza Safaei, Mohammad Ghavami, Ali Marzban, Gholamreza Ahmadi Sheikh Shabani, and Ramin Mashayekhi. "Analysis of heat transfer and nanofluid fluid flow in microchannels with trapezoidal, rectangular and triangular shaped ribs." Physica E: Low-Dimensional Systems and Nanostructures 91 (2017): 15-31. https://doi.org/10.1016/j.physe.2017.04.006
Mohebbi, Komeil, Rohollah Rafee, and Farhad Talebi. "Effects of rib shapes on heat transfer characteristics of turbulent flow of Al2O3-water nanofluid inside ribbed tubes." Iranian Journal of Chemistry and Chemical Engineering (IJCCE) 34, no. 3 (2015): 61-77.
Karwa, Rajendra, S. C. Solanki, and J. S. Saini. "Heat transfer coefficient and friction factor correlations for the transitional flow regime in rib-roughened rectangular ducts." International Journal of Heat and Mass Transfer 42, no. 9 (1999): 1597-1615. https://doi.org/10.1016/S0017-9310(98)00252-X
Eiamsa-ard, Smith, and Pongjet Promvonge. "Numerical study on heat transfer of turbulent channel flow over periodic grooves." International Communications in Heat and Mass Transfer 35, no. 7 (2008): 844-852. https://doi.org/10.1016/j.icheatmasstransfer.2008.03.008
Ramadhan, Abdulmajeed A., Yaser T. Al Anii, and Amer J. Shareef. "Groove geometry effects on turbulent heat transfer and fluid flow." Heat and Mass Transfer 49, no. 2 (2013): 185-195. https://doi.org/10.1007/s00231-012-1076-9
Fathinia, Farshid, Mohammad Parsazadeh, and Amirhossein Heshmati. "Turbulent Forced Convection Flow in a Channel over Periodic Grooves using Nanofluids." International Journal of Mechanical and Mechatronics Engineering 6, no. 12 (2012): 2782-2787.
Sivakumar, K., E. Natarajan, and N. Kulasekharan. "Heat transfer and pressure drop comparison between smooth and different sized rib-roughened rectangular divergent ducts." International Journal of Engineering and Technology (IJET) 6, no. 1 (2014): 263-272.
Fifi, NM Elwekeel, MM Abdala Antar, and Zheng Qun. "Numerical investigation of heat transfer coefficient in ribbed rectangular duct with various shaped ribs and different coolants." In Proceedings of the 1st International Conference on Mechanical Engineering and Material Science. Atlantis Press (2012). https://doi.org/10.2991/mems.2012.119
Salman, Sami D. "Comparative study on heat transfer enhancement of nanofluids flow in ribs tube using CFD simulation." Heat Transfer—Asian Research 48, no. 1 (2019): 148-163. https://doi.org/10.1002/htj.21376
Kim, Dae Hyun, Byung Ju Lee, Jung Shin Park, Jae Su Kwak, and Jin Taek Chung. "Effects of inlet velocity profile on flow and heat transfer in the entrance region of a ribbed channel." International Journal of Heat and Mass Transfer 92 (2016): 838-849. https://doi.org/10.1016/j.ijheatmasstransfer.2015.05.077
Eiamsa-Ard, Smith, and Pongjet Promvonge. "Thermal characteristics of turbulent rib-grooved channel flows." International Communications in Heat and Mass Transfer 36, no. 7 (2009): 705-711. https://doi.org/10.1016/j.icheatmasstransfer.2009.03.025
Abdulrazzaq, Tuqa, Hussein Togun, M. K. AAriffin, S. N. Kazi, N. M. Adam, and S. Masuri. "Numerical simulation on heat transfer enhancement in channel by triangular ribs." Proc. World Acad. Sci. Eng. Technol 80 (2013): 434-438.
Habeeb, Laith Jaafer, and Riyadh S. Al-Turaihi. "Experimental Study and CFD Simulation of Two-Phase Flow Around Triangular Obstacle in Enlarging Channel." Int. J. Eng. Res. Appl 3, no. 4 (2013): 2036-2042.
Salameh, Tareq. "On enhancement of heat transfer with ribs." (2008).
Islam, Md Shafiqul, Ryutaro Hino, Katsuhiro Haga, Masanori Monde, and Yukio Sudo. "Experimental study on heat transfer augmentation for high heat flux removal in rib-roughened narrow channels." Journal of nuclear science and technology 35, no. 9 (1998): 671-678. https://doi.org/10.1080/18811248.1998.9733923
Ghorbani-Tari, Zahra. "Experimental investigations of heat transfer in a channel with ribs and obstacle." PhD diss., Lund University (2014).
Fluent, I. N. C. "FLUENT 6.3 user’s guide." Fluent documentation (2006).
Jalghaf, Humam Kareem, Riyadh S. Al-Turaihi, and Jaafer Habeeb. "Air-water flow investigation around hot circular cylinder inside channel." Advances in Natural and Applied Sciences 10, no. 12 (2016): 16-28.
Nada, S. A. "Experimental Investigation and Empirical Correlations of Heat Transfer in Different Regimes of Air–Water Two-Phase Flow in a Horizontal Tube." Journal of Thermal Science and Engineering Applications 9, no. 2 (2017). https://doi.org/10.1115/1.4034903
Ajeel, Raheem K., WS-IW Salim, and Khalid Hasnan. "Thermal and hydraulic characteristics of turbulent nanofluids flow in trapezoidal-corrugated channel: Symmetry and zigzag shaped." Case studies in thermal engineering 12 (2018): 620-635. https://doi.org/10.1016/j.csite.2018.08.002
Zimparov, Ventsislav. "Enhancement of heat transfer by a combination of three-start spirally corrugated tubes with a twisted tape." International Journal of Heat and Mass Transfer 44, no. 3 (2001): 551-574. https://doi.org/10.1016/S0017-9310(00)00126-5
Promvonge, Pongjet. "Thermal performance in circular tube fitted with coiled square wires." Energy Conversion and Management 49, no. 5 (2008): 980-987. https://doi.org/10.1016/j.enconman.2007.10.005