The paper deals with the visualization of temperature fields in the vicinity of profiled heat transfer surfaces and a subsequent analysis of local values of Nusselt numbers by forced air convection in an experimental channel. Holographic interferometry was used for visualizing the temperature fields. Experiments were carried out at Re 462 up to 2338 at the distances between heat transfer surfaces of 0.025 m and 0.035 m. Temperature contours were determined from the obtained images of holographic interferograms of temperature fields and the local values of Nusselt numbers along the profiled surface for x/s = 0 up to x/s = 1.25 were calculated from them. A significant effect of the profiled surface on the local values of Nusselt numbers can be observed from the obtained results.
Issue Section:
Heat Transfer Enhancement
References
1.
Herman
, C.
, and Kang
, E.
, 2001
, “Experimental Visualization of Temperature Fields and Study of Heat Transfer Enhancement in Oscillatory Flow in a Grooved Channel
,” Heat Mass Transfer
, 37
(1
), pp. 87
–99
.10.1007/s0023100001012.
Young
, T. J.
, and Vafai
, K.
, 1998
, “Convective Cooling of a Heated Obstacle in a Channel
,” Int. J. Therm. Sci.
, 41
(20
), pp. 3131
–3148
.3.
Buchlin
, J. M.
, 2002 “Convective Heat Transfer in a Channel With Perforated Ribs
,” Int. J. Therm. Sci.
, 41
(4
), pp. 332
–340
.10.1016/S1290-0729(02)01323-64.
Lorenz
, S.
, Mukomilow
, D.
, and Leiner
, W.
, 1995
, “Distribution of the Heat Transfer Coefficient in a Channel With Periodic Transverse Grooves
,” Exp. Therm. Fluid Sci.
, 11
(3
), pp. 234
–242
.10.1016/0894-1777(95)00055-Q5.
Herman
, C.
, Kang
, E.
, and Wetzel
, M.
, 1998
, “Expanding the Applications of Holographic Interferometry to the Quantitative Visualization of Oscillatory Thermofluid Processes Using Temperature as Tracer
,” Exp. Fluids
, 24
(5–6)
, p
p. 431
–446
.10.1007/s0034800501936.
Herman
, C. V.
, and Mayinger
, F.
, 1992
, “Experimental Analysis of Forced Convection Heat Transfer in a Grooved Channel
,” Adv. Heat Transfer
, pp.
900
–913
.7.
Wang
, L.
, and Sundén
, B.
, 2007
, “Experimental Investigation of Local Heat Transfer in a Square Duct With Various-Shaped Ribs
,” Heat Mass Transfer
, 43
(8
), pp. 759
–766
.10.1007/s00231-006-0190-y8.
Chen
, Y. M.
, and Wang
, K-C.
, 1998
, “Experimental Study on the Forced Convective Flow in a Channel With Heated Blocks in Tandem
,” Exp. Therm. Fluid Sci.
, 16
(4
), pp. 286
–298
.10.1016/S0894-1777(97)10033-49.
Herman
, C.
, and Kang
, E.
, 2002
, “Heat Transfer Enhancement in a Grooved Channel With Curved Vanes
,” Int. J. Heat Mass Transfer
, 45
(18
), pp. 3741
–3757
.10.1016/S0017-9310(02)00092-310.
Fu
, W. S.
, Ke
, W. W.
, and Wang
, K. N.
, 2001
, “Laminar Forced Convection in a Channel With a Moving Block
,” Int. J. Heat Mass Transfer
, 44
(13
), pp. 2385
–2394
.10.1016/S0017-9310(00)00302-111.
Tauscher
, R.
, 2000
, “Wärmeübergang mit Turbulenzanregung bei Niedrigen Reynoldszahlen
,” Ph.D. thesis, Technische Universität, München, Germany.12.
Islamoglu
, Y.
, and Parmaksizoglu
, C.
, 2003
, “The Effect of Channel Height on the Enhanced Heat Transfer Characteristics in a Corrugated Heat Exchanger Channel
,” Appl. Therm. Eng.
, 23
(8
), pp. 979
–987
.10.1016/S1359-4311(03)00029-213.
Hartmann
, A.
, and Lucic
, A.
, 2001
, “Application of the Holographic Interferometry in Transport Phenomena Studies
,” Heat Mass Transfer
, 37
(6
), pp. 549
–562
.10.1007/s00231010023714.
Naylor
, D.
, 2003
, “Recent Developments in the Measurement of Convective Heat Transfer Rates by Laser Interferometry
,” Int. J. Heat Fluid Flow
, 24
(3
), pp. 345
–355
.10.1016/S0142-727X(03)00021-315.
Gradeck
, M.
, Hoareau
, B.
, and Lebouché
, M.
, 2005
, “Local Analysis of Heat Transfer Inside Corrugated Channel
,” Int. J. Heat Mass Transfer
, 48
(10
), pp. 1909
–1915
.10.1016/j.ijheatmasstransfer.2004.12.02616.
Elshafei
, E. A. M.
, Awad
, M. M.
, Negiry
, E.
, and Ali
, A. G.
, 2010
, “Heat Transfer and Pressure Drop in Corrugated Channels
,” Energy
, 35
(1
), pp. 101
–110
.10.1016/j.energy.2009.08.03117.
Naylor
, D.
, and Roeleveld
, D.
, 2009
, “Measurement Error in Laser Interferometry Caused by Free Convective Boundary Layers on Optical Windows
,” Opt. Laser Eng.
, 47
(11
), pp. 1103
–1107
.10.1016/j.optlaseng.2009.07.00618.
Paroncini
, M.
, and Corvaro
, F.
, 2009
, “Natural Convection in a Square Enclosure With a Hot Source
,” Int. J. Therm. Sci.
, 48
(9
), pp. 1683
–1695
.10.1016/j.ijthermalsci.2009.02.00519.
Naylor
, D.
, 2002
, “On the Accuracy of Beam-Averaged Interferometric Heat Transfer Measurements
,” ASME J. Heat Transfer
, 124
(5
), pp. 978
–982
.10.1115/1.148240020.
Mehta
, J. M.
, and Black
, W. Z.
, 1977
, “Errors Associated With Interferometric Measurement of Convective Heat Transfer Coefficients
,” Appl. Opt.
, 16
(6
), pp. 1720
–1726
.10.1364/AO.16.00172021.
Flack
, R. D.
, Jr., 1978
, “Mach-Zehnder Interferometer Errors Resulting From Test Section Misalignment
,” Appl. Opt.
, 17
(7
), pp. 985
–987
.10.1364/AO.17.00098522.
Bozek
, P.
, and Pivarciova
, E.
, 2012
, “Registration of Holographic Images Based on Integral Transformation
,” Comput. Inform.
, 31
(7
), pp. 1369
–1383
(in Czech).23.
Kandlikar
, S. G.
, Colin
, S.
, Peles
, Y.
, Garimella
, S.
, Pease
, R. F.
, Brandner
, J. J.
, and Tuckerman
, D. B.
, 2013
, “Heat Transfer in Microchannels—2012 Status and Research Needs
,” ASME J. Heat Transfer
, 135
(9
), p. 091001
. 10.1115/1.402435424.
Zhou
, F.
, and Catton
, I.
, 2013
, “A Numerical Investigation of Turbulent Flow and Heat Transfer in Rectangular Channels With Elliptic Scale-Roughened Walls
,” ASME J. Heat Transfer
, 135
(8
), p. 081901
.10.1115/1.402427825.
Bergman
, T. L.
, Lavine
, A. S.
, Incropera
, F. P.
, and Dewitt
, D. P.
, 2011
, Fundamentals of Heat and Mass Transfer
, John Wiley & Sons
, New York
.26.
Toker
, G. R.
, 2012
, Holographic Interferometry: A Mach-Zehnder Approach
, CRC Press
, Boca Raton, FL
.27.
Pavelek
, M.
, 2001
, “Interferometrický výzkum přestupu tepla v soustavě vertikálních desek
,” Ph.D. thesis, VUTIUM, Brno, Czech Republic (in Czech).28.
Mayinger
, F.
, and Feldmann
, O.
, 2000
, “Optical Measurements, Techniques and Applications
,” Heat Mass Transfer
, Springer
, Berlin
.29.
Collins
, M. R.
, Harrison
, S. J.
, Oosthuizen
, P. H.
, and Naylor
, D.
, 2002
, “Heat Transfer From an Isothermal Vertical Surface With Adjacent Heated Horizontal Louvers: Validation,”
ASME J. Heat Transfer
, 124
(6
), pp. 1078
–1087
.10.1115/1.1481358Copyright © 2014 by ASME
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