... 09 2022 19 04 2023 31 05 2023 mixed convection laminar flow turbulent flow infrared camera constant heat flux A laminar flow has been strongly recommended in different engineering applications to increase the efficiency of the process [ 1 ]. Internal laminar flow...

... + ≤   350 This section reports the findings from RANS computations for the turbulent flow of pure and hybrid nano-oils, with discrete heating, using the presented numerical framework. These simulations are performed by suppressing the body force due to gravity by specifying g  =   0 m/s 2...

...Sanjay Singh Rathore; Suresh Kant Verma The present investigation explores the dynamic effects of wall motion on the turbulent flow and thermal characteristics of a dual jet. The effects of variation in Reynolds number (Re) and offset ratio (OR) on different heat transfer and flow characteristics...

...] Rogers , G. F. C. , and Mayhew , Y. R. , 1964 , “ Heat Transfer and Pressure Loss in Helically Coiled Tubes With Turbulent Flow ,” Int. J. Heat Mass Transfer , 7 ( 11 ), pp. 1207 – 1216 . 10.1016/0017-9310(64)90062-6 [41] Mori , Y. , and Nakayama , W. , 1967...

...Satish Upadhyay; Pankaj Rajendra Savant; Laltu Chandra; Jahar Sarkar The turbulent flow of binary hybrid nano-oils is investigated and Nusselt number correlation is developed for futuristic concentrated solar thermal application. Available Nusselt number correlations for water-based hybrid...

...@gmail.com 02 08 2018 02 02 2020 08 04 2020 Numerical investigation parabolic trough solar collector turbulent flow heat transfer enhancement central corrugated insert Solar energy is one among the freely available clean forms of renewable energy to deal with the existing...

... October 31, 2018; published online December 13, 2018. Assoc. Editor: Amy Fleischer. 20 04 2018 31 10 2018 jet impingement turbulent flow hot jet cold jet circular target Jet impingement cooling and heating of the cylindrical objects are widely used in a wide range...

... Solution ,” Heat Mass Transfer , 40 ( 8 ), pp. 615 – 620 . 10.1007/s00231-003-0431-2 [5] Wu , S. Y. , Chen , S. J. , Li , Y. R. , and Li , L. J. , 2009 , “ Numerical Investigation of Turbulent Flow, Heat Transfer and Entropy Generation in a Helical Coiled Tube...

... correlation by Dittus and Boelter [ 17 ]. This publication summarizes results of durability tests, pressure drop measurements, and heat transfer measurements made with aqueous slurries of MPCMs under turbulent flow conditions. Durability tests revealed that several thousand cycles of pumping did...

... and the Reynolds numbers. slot jet impinging moving wall turbulent flow heat transfer Impinging jets are extensively investigated in numerous benchmarks. Such configurations are common in many industrial and engineering applications (e.g., manufacturing, material processing, electronic cooling...

..., (b) turbulent flow in both the pipe and the annulus, (c) turbulent flow in the pipe and laminar flow in the annulus and the vice versa situation, (d) laminar flow in both the pipe and the annulus, and (e) different heat exchanger lengths. For increased generality, these categories were further broken...

... )]. supercritical fluids heat transfer printed circuit heat exchanger carbon dioxide experiments turbulent flow heat convection CFD modeling Use of existing heat transfer correlations, specifically Jackson’s and the Dittus-Boelter correlation, over-predict heat transfer at T pc . This over-prediction...

...Zhipeng Duan Fully developed turbulent flow in noncircular ducts is examined, and simple models are proposed to predict the friction, heat and mass transfer in most common noncircular channels. It is found that the square root of cross-sectional area is the relatively more appropriate length scale...

... wall. 20 09 2010 21 01 2011 11 08 2011 11 08 2011 air convection cooling evaporation finite volume methods mass transfer pipe flow turbulence evaporation heat transfer mass transfer sensible Nusselt number mixed convection turbulent flow Internal...

... 02 03 2011 02 03 2011 finite volume methods flow simulation heat transfer nozzles turbulence continuous casting thin slab modeling turbulent flow heat transfer SEN The continuous casting (CC) is the most important process for producing the steel slabs. A schematic...

...J. U. Ahamed; M. A. Wazed; S. Ahmed; Y. Nukman; T. M. Y. S. Tuan Ya; M. A. R. Sarkar An experimental investigation has been carried out for turbulent flow in a tube with perforated twisted tape inserts. The mild steel twisted tape inserts with circular holes of different diameters (i.e...

... transfer analogy naphthalene sublimation turbulent flow wall motion boundary layer constant temperature constant concentration The heat transfer characteristics of a translating heated surface in quiescent conditions have been studied over the years. These studies have generally been limited...

.... 802 . 10.1063/1.863452 10 04 2009 01 04 2010 03 08 2010 03 08 2010 boundary layer turbulence external flows fractals heat transfer mass transfer shear turbulence turbulent flow wall shear Clauser technique boundary layer scaling laws The two...

...Ashis K. Mazumder; Sujoy K. Saha The thermohydraulic performance of turbulent flow of air through rectangular and square ribbed ducts with twisted-tape inserts has been experimentally studied. The performance is influenced by the twisted-tape-generated swirl flow and the boundary layer separation...

... number, local heat flux, average Nusselt number, and average heat transfer are presented and discussed. 07 03 2007 23 10 2007 16 05 2008 boundary layer turbulence heat transfer jets wall jet conjugate heat transfer turbulent flow numerical simulation A conjugate...