... flow instability flow visualisation jets laminar to turbulent transitions liquid films pipe flow two-phase flow falling film flat tube microchannel flow mode transition In a range of emerging applications, such as desalination, co-generation, geothermal power, air conditioning...

... by the baffles triggers laminar-turbulent transition. Consequently, mixing is greatly increased in the disturbed flow field, resulting in more effective heat transfer [( 1 2 3 4 5 6 7 8 9 10 11 )]. baffled channel flow Hopf bifurcation Nusselt number heat transfer enhancement...

... colloids cooling flow measurement forced convection laminar to turbulent transitions microchannel flow nanoparticles two-phase flow water nanofluids heat transfer pressure drop turbulence transition Nanofluids are engineered colloids that are formulated by dispersing solid...

... heat transfer laminar to turbulent transitions mixing 07 06 2008 07 04 2009 22 06 2009 2009 American Society of Mechanical Engineers ...

... be used to handle more complicated problems and to obtain both-side heat transfer correlations simultaneously, where the conventional Wilson-plot method cannot be applied. 06 05 2008 23 10 2008 31 03 2009 genetic algorithms heat exchangers heat transfer laminar to turbulent...

...) replace each component by a simple parallel dynamics on a lattice; and (iv) carry out each unit dynamics successively in each time step until some termination criterion is satisfied. In the present problem, the termination criterion is the laminar-turbulent transition, and hence, the results do...

... at very small heat fluxes, otherwise, transitions are observed. 15 05 2006 02 12 2006 natural convection pipe flow temperature distribution boundary layers laminar flow laminar to turbulent transitions natural convection rectangular ducts experimental heat transfer laminar...

... distribution hydrodynamics turbulence laminar to turbulent transitions The kernel function or its equivalent, the inverse Green’s function, is the mathematically invariant relationship between surface heat flux and temperature distribution for forced convection problems. The heat transfer...

... Navier-Stokes equations flow instability finite volume methods stagnation flow flow separation laminar to turbulent transitions wakes shear turbulence friction drag reduction heat transfer pressure drop lenticular elliptical cylinder cross flow subcritical flow The objective...

... or recess of surface due to deposits, corrosion, and erosion can significantly increase especially when an early laminar-turbulent transition is triggered by surface roughness. Generally, in-service turbines incur roughness in the form of pitting or deposition, which can cause significant variation...

... laminar flow laminar to turbulent transitions turbulence flow visualisation Air-cooled condensers used in binary-cycle geothermal power plants require the use of finned tubes in order to increase heat transfer surface area on the air side. Air is forced through several rows of these finned...

... microfluidics laminar flow laminar to turbulent transitions With time, the demand for high performance electronics has increased. More and more applications require the electronic components to be faster, smaller, able to handle a higher amount of power, and be more reliable than before. Small size...

... 2002 13 February 2003 20 05 2003 heat transfer channel flow pipe flow fast Fourier transforms heat exchangers laminar to turbulent transitions time series In gas-liquid crossflow heat exchangers, fin-tubes are commonly used. The gas generally flows across the tubes...

..., 2001; revision received November 21, 2001. Associate Editor: P. S. Ayyaswamy. 13 July 2001 21 November 2001 16 07 2002 convection flow instability channel flow bifurcation eigenvalues and eigenfunctions laminar to turbulent transitions vortices Channel Flow...

... doubling)→ I (Intermittent)→ P (Periodic)→ N (Chaotic) for Ar=2 over a Ra range of 1.65 × 10 6 to 1.83 × 10 6 . The interval between periodic and chaotic flow is very short for Ar=5. confined flow laminar to turbulent transitions chaos Cavities Enclosure Flows Heat Transfer Modeling Natural...

... pipe flow laminar to turbulent transitions 12 July 2000 22 January 2001 Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER . Manuscript received by the Heat Transfer Division July 12, 2000; revision received January 22, 2001. Associate Editor...

... hysteresis Galerkin method chaos turbulence laminar to turbulent transitions Weak Turbulence Hysteresis Porous Media Free Convection Chaos Lorenz Equations Heat Flux The wide variety of applications of heat transfer in porous media motivates this study. Examples of such applications...

... Transfer Division March 20, 1999; revision received, July 21, 2000. Associate Editor: J. Han. 20 March 1999 21 July 2000 channel flow convection rotational flow turbulence laminar to turbulent transitions Cooling Heat Transfer Rotating Roughness Turbines Most...

.... Unsteady RANS predictions of the time- and phase-averaged Stanton numbers as well as the enthalpy thickness are in reasonable agreement with the DNS. [S0022-1481(00)02002-8] laminar to turbulent transitions boundary layers heat transfer flow simulation wakes Navier-Stokes equations Heat...