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Keywords: convective heat transfer
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2021, 143(9): 093601.
Paper No: HT-20-1739
Published Online: July 30, 2021
... based on a fractional Oldroyd-B constitutive model is derived. Moreover, the modified fractional Fourier's law considering thermal relaxation-retardation time is proposed, which applies in both the energy equation and the boundary condition of convective heat transfer. A new finite difference scheme...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2021, 143(6): 061801.
Paper No: HT-20-1417
Published Online: April 2, 2021
...Wenhui Fan; Fengquan Zhong Turbulent flow and convective heat transfer of kerosene in coiled pipes with different wall boundary conditions and curvature radii of coiled pipes are numerically studied. The Reynolds-averaged Navier–Stokes equations are solved by finite volume method and the realizable...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2020, 142(8): 082504.
Paper No: HT-19-1686
Published Online: June 8, 2020
... single-phase forced flow convective heat transfer model, originally developed for water-based nanofluids, was modified to include the effects of diffusion and mass balance of different shape nanoparticles within the laminar sublayer and turbulent layer of the flow. A new physics-based superposition heat...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2020, 142(5): 051302.
Paper No: HT-19-1279
Published Online: March 17, 2020
... Transfer and Cooling in Gas Turbines , p. 8. [12] Vedula, R. P., Metzger, D. E. and Bickford, W. B., 1988, “Effects of Lateral and Anisotropic Conduction on Determination of Local Convection Heat Transfer Characteristics With Transient Tests and Surface Coatings,” Winter Annual Meeting of ASME, HTD-I...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2019, 141(8): 082202.
Paper No: HT-19-1098
Published Online: June 20, 2019
... May 16, 2019; published online June 20, 2019. Assoc. Editor: Guihua Tang. 18 02 2019 16 05 2019 CFD impinging jet cooling gas turbine blade convective heat transfer nozzle One of the most important parameters affecting the efficiency and power output of a gas turbine...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2019, 141(8): 081001.
Paper No: HT-18-1730
Published Online: June 17, 2019
... convection and thermal radiation in spiral-coiled tubes. The P-1 radiation and the renormalized group (RNG) k–ε turbulence models have been used to study the effect of thermal radiation and turbulent convection heat transfer in the spiral-coiled tube, respectively, over a wide range of Reynolds numbers...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. August 2016, 138(8): 084503.
Paper No: HT-15-1630
Published Online: May 3, 2016
... 07 04 2016 Convective heat transfer Heat transfer enhancement Non-Newtonian Numerical simulations Jets Wakes Impingement Cooling The analysis of Newtonian steady impinging flow and heat transfer is a classical problem [ 1 , 2 ]. Laminar non-Newtonian flows have received limited...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2014, 136(10): 101401.
Paper No: HT-13-1227
Published Online: August 5, 2014
... convective heat transfer coefficients ( h h , h c ) are shown in Figs. 8( a ) – 8( d ) , respectively. Here, an arbitrary leg height of L  = 10 mm, constant interconnector cross-sectional areas, equal in n- and p-type element's thickness d , and identical h h and h c values are considered...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2014, 136(6): 061701.
Paper No: HT-13-1384
Published Online: March 7, 2014
... on reducing the high temperatures on the endwall surface induced by the unsteady wakes. gas turbine convective heat transfer unsteady wake effect endwall heat transfer Gas turbine inlet temperatures have increased over the years to improve thermal efficiency. However, NO x emissions increase...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2014, 136(5): 051702.
Paper No: HT-12-1663
Published Online: February 26, 2014
... applications. The objective of this research is to evaluate nanofluids as potential replacement for the coolant currently used by the Air Force. Alumina/DI water nanofluids were evaluated. It was observed that at the same volumetric flow there was no significant improvement in convective heat transfer...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2014, 136(4): 041707.
Paper No: HT-13-1334
Published Online: February 18, 2014
.... This leads us to develop a new equation that correlates the mean Nusselt number of a heated rotating sphere for flows of 0 ≤ Re ≤ 500 . particulate flows convective heat transfer direct numerical simulation immersed boundary method direct forcing scheme The problem of convection...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2014, 136(2): 021704.
Paper No: HT-12-1666
Published Online: November 14, 2013
... . Manuscript received December 19, 2012; final manuscript received August 12, 2013; published online November 14, 2013. Assoc. Editor: Wilson K. S. Chiu. 19 12 2012 12 08 2013 stable nanofluids convective heat transfer large-scale...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2014, 136(2): 022902.
Paper No: HT-12-1589
Published Online: November 7, 2013
... and Attinger [ 10 ] studied gas segments in liquid flow in microchannels and demonstrated that heat transfer coefficients can be much enhanced. Poulikakos et al. [ 11 ] studied convective heat transfer in a segmented immiscible liquid–liquid flow in a microchannel and similar to Betz and Attinger, observed...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2014, 136(1): 011701.
Paper No: HT-12-1636
Published Online: October 25, 2013
... length convective heat transfer laminar channel flow There has been much recent attention devoted to the dynamical interaction of liquid with SH surfaces. These surfaces exhibit a combination of micro- or nanoscale texturing and thin-film hydrophobic coating and have a unique ability to repel...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. July 2013, 135(7): 074502.
Paper No: HT-12-1065
Published Online: June 6, 2013
... and theoretical predictions recommended for convective heat transfer in thermally developing flows. single phase flow thermally developing flows high mass flux flows convective heat transfer microtubes Emerging technologies such as nano-scale plasmonic applications [ 1–3 ], nano thermophoto...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2013, 135(5): 052801.
Paper No: HT-11-1285
Published Online: April 11, 2013
... were solved using the commercial CFD solver fluent (6.3.26). fluent uses the finite volume method to discretize the domain to solve convective heat transfer problems. The governing equations, continuity, momentum, and energy equations [ 23 ] solved by fluent are shown below, respectively. (6...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2012, 134(12): 122503.
Published Online: October 5, 2012
... of the Effects, Velocity and Temperature Profiles, and Reverse Transition From Turbulent to Laminar Flow ,” Int. J. Heat Mass Transfer , 16 , pp. 1267 – 1288 . 10.1016/0017-9310(73)90135-X [8] Jackson , J. D. , and Hall , W. B. , 1979 , “ Forced Convection Heat Transfer to Fluids...
Journal Articles
Article Type: Experimental Techniques
J. Heat Transfer. September 2012, 134(9): 091601.
Published Online: July 9, 2012
... and boundary layer unsteadiness. 18 09 2011 04 03 2012 09 07 2012 09 07 2012 thin film gauges gas turbine convective heat transfer The thermal design, evaluation, and management of turbomachinery components require invariant descriptors of the heat transfer process...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2012, 134(4): 042603.
Published Online: February 13, 2012
... flow through porous media foams graphite permeability thermal conductivity porous media thermal dispersion convective heat transfer permeability hydraulic loss metal foam graphite foam High-conductivity porous materials, such as aluminum and graphite foams, have been the subject...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2012, 134(1): 011602.
Published Online: November 8, 2011
... and Little [( 2 )]. Choi et al. [( 3 )] conducted experiments to study convection heat transfer in constant temperature glass microtubes with diameter ranging from 3 to 81 μ m. They obtained Nusselt number correlation of Nu = 0.000972 Re 1.17 Pr 1/3 for laminar flow in a range of 50 < Re < 2000...