Thermal characterization of longitudinal merging of turbulent spots

References

• H. W. Emmons, “The laminar-turbulent transition in a boundary layer-part I,” J. Aerosp. Sci., vol. 18, pp. 490–498, 1951.
   Web of Science ®Google Scholar
• G. B. Schubauer and P. S. Klebanoff, Contribution on the Mechanism of Boundary Layer Transition. Washington, DC, USA: National Advisory Committee for Aeronautics Technical Note 3489, 1955, pp. 31.
   Google Scholar
• J. W. Elder, “An experimental investigation of turbulent spots and breakdown to turbulence,” J. Fluid Mech., vol. 9, no. 2, pp.235–246, 1960. DOI: 10.1017/S0022112060001079.
   Web of Science ®Google Scholar
• T. P. Chong and S. Zhong, “On the three dimensional structure of turbulent spots,” J. Turbumach., vol. 127, pp. 545–551, 2005. DOI: 10.1115/1.1928286.
   Web of Science ®Google Scholar
• I. Wygnanski, M. Sokolov, and D. Friedman, “On a turbulent ‘spot’ in a laminar boundary layer,” J. Fluid Mech., vol. 78, no. 4, pp.785–819, 1976. DOI: 10.1017/S0022112076002747.
   Google Scholar
• T. P. Chong and S. Zhong, “On the momentum and thermal structures of turbulent spots in a favorable pressure gradient,” J. Turbomach., vol. 128, pp. 689–698, 2006. DOI: 10.1115/1.2218520.
   Web of Science ®Google Scholar
• B. Cantwell, D. Coles, and P. Dimotakis, “Structure and entrainment in the plane of symmetry of a turbulent spot,” J. Fluid Mech., vol. 87, pp. 641–672, 1978. DOI: 10.1017/S0022112078001809.
   Web of Science ®Google Scholar
• M. S. Acarlar and C. R. Smith, “A study of hairpin vortices in a laminar boundary layer. Part 1. Hairpin vortices generated by a hemisphere protuberance,” J. Fluid Mech., vol. 175, pp. 1–41, 1987. DOI: 10.1017/S0022112087000272.
   Web of Science ®Google Scholar
• R. Sankaran, M. Sokolov, and R. A. Antonia, “Substructures in a turbulent spot,” J. Fluid Mech., vol. 197, pp. 389–414, 1988. DOI: 10.1017/S0022112088003295.
   Web of Science ®Google Scholar
• A. Schröder and J. Kompenhans, “Investigation of a turbulent spot using multi-plane stereo particle image velocimetry,” Exp. Fluids, vol. 36, pp. 82–90, 2004. DOI: 10.1007/s00348-003-0644-7.
   Web of Science ®Google Scholar
• A. H. Haidari and C. R. Smith, “The generation and regeneration of single hairpin vortices,” J. Fluid Mech., vol. 277, pp. 135–162, 1994. DOI: 10.1017/S0022112094002715.
   Web of Science ®Google Scholar
• D. Sabatino and C. R. Smith, “Simultaneous velocity-surface heat transfer behavior of turbulent spots,” Exp. Fluids, vol. 33, pp. 13–21, 2002. DOI: 10.1007/s00348-002-0455-2.
   Web of Science ®Google Scholar
• B. A. Singer and R. D. Joslin, “Metamorphosis of a hairpin vortex into a young turbulent spot,” Phys. Fluids, vol. 6, no. 3724, 1994. DOI: 10.1063/1.868363.
   Google Scholar
• B. A. Singer, “Characteristics of a young turbulent spot,” Phys. Fluids, vol. 8, no. 2, pp.509–520, 1996. DOI: 10.1063/1.868804.
   Web of Science ®Google Scholar
• W. Chaiworapuek and C. Kittichaikarn, “On the thermal and structural characteristics of an artificially generated young turbulent spot,” Int. J. Heat Mass Transfer, vol. 92, pp. 850–858, 2016. DOI: 10.1016/j.ijheatmasstransfer.2015.09.053.
   Web of Science ®Google Scholar
• C. W. Van Atta and K. N. Helland, “Exploratory temperature-tagging measurements of turbulent spots in a heated laminar boundary layer,” J. Fluid Mech, vol. 100, no. 2, pp.243–255, 1980. DOI: 10.1017/S0022112080001139.
   Google Scholar
• M. Zilberman, I. Wygnanski, and R. E. Kaplan, “Transitional boundary layer spot in a fully turbulent environment,” Phys. Fluids, vol. 20, pp. 258–271, 1977. DOI: 10.1063/1.861739.
   Web of Science ®Google Scholar
• R. A. Antonia, A. J. Chambers, M. Sokolov, and C. W. Van Atta, “Simultaneous temperature and velocity measurements in the plane of symmetry of a transitional turbulent spot,” J. Fluid Mech, vol. 108, pp. 317–343, 1981. DOI: 10.1017/S0022112081002140.
   Web of Science ®Google Scholar
• D. Sabatino and C. R. Smith, “Turbulent spot flow topology and mechanisms for surface heat transfer,” J. Fluid Mech, vol. 612, pp. 81–105, 2008. DOI: 10.1017/S0022112008002838.
   Web of Science ®Google Scholar
• I. Wygnanski, M. Zilberman, and J. H. Haritonidis, “On the spreading of a turbulent spot in the absence of a pressure gradient,” J. Fluid Mech, vol. 123, pp. 69–90, 1982. DOI: 10.1017/S0022112082002961.
   Web of Science ®Google Scholar
• E. Gutmark and R. F. Blackwelder, “On the structure of a turbulent spot in a heated laminar boundary layer,” Exp. Fluids, vol. 5, no. 4, pp.217–229, 1987. DOI: 10.1007/BF00279733.
   Web of Science ®Google Scholar
• C. Kittichaikarn, P. T. Ireland, S. Zhong, and H. P. Hodson, “An investigation on the onset of wake-induced transition and turbulent spot production rate using thermochromic liquid crystal,” Presented in the Proc. 44th ASME Int. Gas Turbine Aeroengine Congr. Exp., 7–10 June 1999, Indianapolis, IN.
   Google Scholar
• T. P. Chong and S. Zhong, “On the shear stress and thermal footprints of turbulent spots at zero pressure gradient,” J. Mech. Sci. Technol, vol. 27, no. 4, pp.1001–1009, 2013. DOI: 10.1007/s12206-013-0121-z.
   Web of Science ®Google Scholar
• H. Makita and A. Nishizawa, “Characteristics of internal vertical structures in a merged turbulent spot,” J. Turbul., vol. 2, pp. 1–14, 2001. DOI: 10.1088/1468-5248/2/1/012.
   Web of Science ®Google Scholar
• X. Wu and P. A. Durbin, “Numerical simulation of heat Transfer in a transitional boundary layer with passing wakes,” J. Heat Transfer, vol. 122, no. 2, pp.248–257, 2000. DOI: 10.1115/1.521485.
   Web of Science ®Google Scholar
• L. Krishnan and N. D. Sandham, “On the merging of turbulent spots in a supersonic boundary-layer flow,” Int. J. Heat Fluid Flow, vol. 27, pp. 542–550, 2006. DOI: 10.1016/j.ijheatfluidflow.2006.02.002.
   Web of Science ®Google Scholar
• K. M. Casper, S. J. Beresh, and S. P. Schneider, “A preliminary study of the longitudinal merging of instability pave packets and turbulent spots in a hypersonic boundary layer, American Institute of Aeronautics and Astronautics 2012,” Presented at the Proc. 42nd AIAA Fluid Dynamics Conf. Exhibit, 25–28 June 2012, New Orleans, LA, pp. 1–15.
   Google Scholar
• D. Dabiri, “Digital particle image thermometry/velocimetry: a review,” Exp. Fluids, vol. 42, pp. 191–241, 2008.
   Google Scholar
• J. A. Stasiek, M. Jewartowski, and T. A. Kowalewski, “The use of liquid crystal thermography in selected technical and medical applications – recent development,” J. Cryst. Process. Technol, vol. 4, pp. 46–59, 2014. DOI: 10.4236/jcpt.2014.41007.
   Google Scholar
• P. T. Ireland and T. V. Jones, “The response time of a surface thermometer employing encapsulated thermochromic liquid crystals,” J Phys E: Sci Instrum, vol. 20, pp. 1195–1199, 1987. DOI: 10.1088/0022-3735/20/10/008.
   Google Scholar
• J. C. Russ, The Image Processing Handbook. Boca Raton: CRC Press, 2002.
   Google Scholar
• S. Zhong, C. Kittichaikarn, H. P. Hodson, and P. T. Ireland, “Visualisation of turbulent spots under the influence of adverse pressure gradients,” Exp. Fluids, vol. 28, pp. 385–393, 2000. DOI: 10.1007/s003480050398.
   Web of Science ®Google Scholar
• W. Chaiworapuek, S. Nongnoi, and C. Kittichaikarn, “Heat transfer measurement on a turbulent spot using the energy balance method,” Kasetsart J. (Nat. Sci.), vol. 48, pp. 1–14, 2014.
   Google Scholar
• J. E. van der Westhuizen, J. Dirker, and J. P. Meyer, “Implementation of liquid crystal thermography to determine wall temperatures and heat transfer coefficients in a tube-in-tube heat exchanger,” Exp. Heat Transfer, vol. 29, pp. 632–656, 2016. DOI: 10.1080/08916152.2015.1065294.
   Web of Science ®Google Scholar
• W. M. Kays, M. E. Crawford, and B. Weigand, Convective Heat and Mass Transfer. New York: McGraw-Hill, 2005.
   Google Scholar
• J. R. Taylor, An Introduction to Error Analysis: The Study of Uncertainties in Physical Measurement. Sausalito: University Science Books, 1997.
   Google Scholar