Experimental study and large Eddy simulation of a coaxial jet with perforated obstacles to control thermal mixing characteristics

References

• International Atomic Energy Agency (IAEA), Liquid Metal Cooled Reactors: Experience in Design and Operation, Austria: International Atomic Energy Agency (IAEA), pp. 12, 2007.
   Google Scholar
• D. Lu, Q. Cao, J. Lv, and Y. Xiao, Experimental study on three-dimensional temperature fluctuation caused by coaxial-jet flows, Nucl. Eng. Des., vol. 243, pp. 234–242, 2012.
   Google Scholar
• S. J. Jang and H. J. Sung, Effect of inflow pulsation on a turbulent coaxial jet, Int. J. Heat Fluid Flow, vol. 31, pp. 351–367, 2010.
   Google Scholar
• G. Balarac, M. Si-Ameur, M. Lesieur, and O. M´etais, Direct numerical simulations of high velocity ratio coaxial jets: mixing properties and influence of upstream conditions, J. Turbulence, vol. 8, pp. 22, 2007.
   Google Scholar
• B. Kok, M. Firat, H. F. Oztop, and Y. Varol, A numerical study on thermal mixing in narrow channels inserted rectangular bodies, Int. Commun. Heat Mass Transfer, vol. 44, pp. 69–76, 2013.
   Google Scholar
• B. Kok, Y. Varol, H. F. Oztop, and A. Koca, Analysis of thermal mixing in circle shaped body inserted inclined channel, Exp. Thermal Fluid Sci., vol. 68, pp. 1–10, 2015.
   Google Scholar
• B. Kok, M. Uyar, Y. Varol, A. Koca, and H. F. Oztop, Analyzing of thermal mixing phenomena in a rectangular channel with twin jets by using artificial neural network, Nucl. Eng. Des., vol. 265, pp. 554–565, 2013.
   Google Scholar
• Y. Varol, B. Kok, H. F. Oztop, and I. Turkbay, An experimental study on thermal mixing in a square body inserted inclined narrow channels, Int. Commun. Heat Mass Transfer, vol. 39, pp. 1245–1252, 2012.
   Google Scholar
• Y. Varol, B. Kok, H. Ayhan, and H. F. Oztop, Experimental study and Large Eddy Simulation of thermal mixing phenomena of a parallel jet with perforated obstacles, Int. J. Thermal Sci., vol. 111, pp. 1–17, 2017.
   Google Scholar
• L. W. Jin and K. C. Leong, Pressure drop and friction factor of steady and oscillating flows in open-cell perforated media, Transp Perforated Med., vol. 72, pp. 37–52, 2008.
   Google Scholar
• A. M. Hayes, J. A. Khan, A. H. Shaaban, and I. G. Spearing, The thermal modeling of a matrix heat exchanger using a perforated medium and the thermal nonequilibrium model, Int. J. Thermal Sci., vol. 47, pp. 1306–1315, 2008.
   Web of Science ®Google Scholar
• K. Hooman and H. Gurgenci, Effects of viscous dissipation and boundary conditions on forced convection in a channel occupied by a saturated perforated medium, Transp Perforated Med., vol. 68, pp. 301–319, 2007.
   Web of Science ®Google Scholar
• K. Hooman, H. Gurgenci, and A. A. Merrikh, Heat transfer and entropy generation optimization of forced convection in perforated-saturated ducts of rectangular cross-section, Int. J. Heat. Mass Transf., vol. 50, pp. 2051–2059, 2007.
   Web of Science ®Google Scholar
• P. Jiang and X. Lu, Numerical simulation and theoretical analysis of thermal boundary characteristics of convection heat transfer in perforated media, Int. J. Heat Fluid Flow, vol. 28, pp. 1144–1156, 2007.
   Google Scholar
• S. J. Wang and A. S. Mujumdar, Flow and mixing characteristics of multiple and multi-set opposing jets, Chem. Eng. Process., vol. 46, pp. 703–712, 2007.
   Web of Science ®Google Scholar
• S. J. Wang, S. Devahastin, and A. S. Mujumdar, A numerical investigation of some approaches to improve mixing in laminar confined impinging streams, Appl. Thermal Eng., vol. 25, pp. 253–269, 2005.
   Google Scholar
• R. K. Chandran, I. Banerjee, G. Padmakumar, and K. S. Reddy, Numerical analysis of thermal striping phenomena using a two jet water model, Eng. App. Comp. Fluid Mech., vol. 4, pp. 209–221, 2010.
   Google Scholar
• E. Y. Jung, S. H. Oh, D. H. Lee, K. M. Kim, and H. H. Cho, Effect of impingement jet on the full-coverage film cooling system with double layered wall, Exp. Heat Transfer, vol. 30, pp. 544–562, 2017.
   Web of Science ®Google Scholar
• J. M. Jha, S. V. Ravikumar, I. Sarkar, S. K. Pal, and S. Chakraborty, Jet impingement cooling of a hot moving steel plate: an experimental study, Exp. Heat Transfer, vol. 29, pp. 615–631, 2016.
   Web of Science ®Google Scholar
• J. H. Jung and G. J. Yoo, Analysis of unsteady turbulent triple jet flow with temperature difference, J. Nucl. Sci. Technol., vol. 41, pp. 931–942, 2004.
   Google Scholar
• Q. Cao, D. Lu, and J. Lv, Numerical investigation on temperature fluctuation of the parallel triple – jet, Nucl. Eng. Des., vol. 249, pp. 82–89, 2012.
   Google Scholar
• M. Nishimura, A. Tokuhiro, N. Kimura, and H. Kamide, Numerical study on mixing of oscillating quasi – planar jets with low Reynolds number turbulent stress and heat flux equation models, Nucl. Eng. Des., vol. 202, pp. 77–95, 2000.
   Web of Science ®Google Scholar
• M. Nishimura and N. Kimura, URANS computations for an oscillatory non – isothermal triple – jet using k - ε and second moment closure turbulence models, Int. J. Numer. Meth. Fluids, vol. 43, pp. 1019–1044, 2003.
   Google Scholar
• Q. Xiang, Z. Dao-Xiang, L. Zhi-Ming, and L. Yu-Lu, Turbulent mixing and evolution in a stably stratified flow with a temperature step, J. Hydrodyn., vol. 21, pp. 84–92, 2009.
   Google Scholar
• S. Suyambazhahan, S. K. Das, and T. Sundararajan, Numerical study of flow and thermal oscillations in buoyant twin jets, Int. Commun. Heat Mass Transfer, vol. 34, pp. 248–258, 2007.
   Web of Science ®Google Scholar
• H. Ayhan and C. N. Sökmen, CFD modeling of thermal mixing in a T-junction geometry using LES model, Nucl. Eng. Des., vol. 253, pp. 183–191, 2012.
   Google Scholar
• D. Tenchine, S. Vandroux, V. Barthel, and O. Cioni, Experimental and numerical studies on mixing jets for sodium cooled fast reactors, Nucl. Eng. Des., vol. 263, pp. 263–272, 2013.
   Web of Science ®Google Scholar
• B. Kok, Y. Varol, H. Ayhan, and H. F. Oztop, Experimental and computational analysis of thermal mixing characteristics of a coaxial jet, Exp. Thermal Fluid Sci., vol. 82, pp. 276–286, 2017.
   Google Scholar
• B. Kok, Y. Varol, H. Ayhan, H. F. Oztop, and S. G. Demiryurek, Experimental investigation of thermal-mixing phenomena of a coaxial jet with cylindrical obstacles, J Thermophys Heat Transfer. Article in Advance, 2017. DOI: 10.2514/1.T5238.
   Google Scholar
• ANSYS Fluent 12 Users Guide, April 2009. Available from: (https://tr.scribd.com/document/81970439/Ansys-Fluent-12-Users-Guide)
   Google Scholar