Effects of SiO2/Water Nanofluid Flow in a Square Cross-Sectioned Curved Duct
Year 2019,
Volume: 3 Issue: 2, 101 - 109, 10.10.2019
Kamil Arslan
,
Recep Ekiciler
Abstract
Forced convection SiO2/water
nanofluid flow and heat transfer was numerically performed in 180-degree
three-dimensional curved duct with square cross section under steady and
laminar flow conditions in this investigation. Dean number was changed from 102
to 898. All surface of curved duct was exposed to uniform and constant heat
flux. Nanoparticle volume fractions was ranged
1.0%-4.0%. The average Nusselt number and average Darcy friction factor were
determined for each nanoparticle volume fractions. Velocity and temperature
profiles and secondary flows were analyzed in detail. In addition, numerical
study results are expressed with engineering correlations as changing average
Nusselt number and average Darcy friction factor with Dean number and
nanoparticle volume fraction.
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Year 2019,
Volume: 3 Issue: 2, 101 - 109, 10.10.2019
Kamil Arslan
,
Recep Ekiciler
References
- H. A. Mohammed, G. Bhaskaran, N. H. Shuaib, and R. Saidur, “Heat transfer and fluid flow characteristics in microchannels heat exchanger using nanofluids: A review,” Renewable and Sustainable Energy Rev., vol. 15, pp. 1502-1512, 2011.
- S. U. S. Choi, “Enhancing thermal conductivity of fluids with nanoparticles”, in: D.A. Singer, H.P. Wang (Eds.), Development and Applications of Non- Newtonian Flows, ASME, New York, vol. 231 pp. 99-105, 1995.
- S. Lee, S. U. S. Choi, S. Li, and J. A. Eastman, “Measuring thermal conductivity of fluids containing oxide nanoparticles,” Journal of Heat Transfer, vol. 121, pp. 280-288, 1999.
- B. C. Pak and Y. I. Cho, “Hydrodynamic and heat transfer study of dispersed fluids with submicron metallic oxide particles,” Exp. Heat Transfer, vol. 11, pp. 151-170, 1998.
- Y. Xuan and Q. Li, “Heat transfer enhancement of nanofluids,” Int. J. Heat Fluid Flow, vol. 21, pp. 58-64, 2000.
- M. S. Islam and N. R. Mondal, “Effects of curvature on unsteady solutions through a curved square duct flow,” 5th BSME International Conference on Thermal Engineering, vol. 56, pp. 217-224, 2013.
- J. Facao and A. C. Oliviera, “Modelling laminar heat transfer in a curved rectangular duct with computational fluid dynamics code,” J. Heat Transfer, vol. 48, pp. 165-177, 2005.
- J. C. Sturgis and I. Mudawar, “Single-phase heat transfer enhancement in a curved, rectangular channel subjected to concave heating,” Int. J. Heat and Mass Transfer, vol. 42, pp. 1255-1272, 1999.
- L. Fang, “Effects of geometries on heat transfer enhancement of thermal fluids in curved ducts,” Appl. Therm. Eng., vol. 90, pp. 590-595, 2015.
- Akbarinia and A. Behzadmehr, “Numerical study of laminar mixed convection of a nanofluid in horizontal curved tubes”, Appl. Therm. Eng., vol. 207, pp. 1327-1337, 2007.
- O. Ghaffari, A. Behzadmehr, and H. Ajam, “Turbulent mixed convection of a nanofluid in a horizontal curved tube using a two-phase approach,” Int. Commun. Heat and Mass Transfer, vol. 37, pp. 1551–1558, 2010.
- W. H. Azmi, K. V. Sharma, P. K. Sarma, R. Mamat, and G. Najafi, “Heat transfer and friction factor of water based TiO2 and SiO2 nanofluids under turbulent flow in a tube,” Int. Commun. Heat and Mass Transfer, vol. 59, pp. 30-38, 2014.
- A. N. Dravid, K. A. Smith and E. W. Merrill, “Effect of secondary fluid on laminar flow heat transfer in helical coiled tubes,” AICHE J., vol. 17, pp. 1114-1122, 1971.
- C. E. Kalb and J. D. Seader, “Fully developed viscous-flow heat transfer in curved circular tubes with uniform wall temperature,” AICHE J., vol. 20, pp. 340-346, 1974.