... than that for round tubes, and the hysteresis in mode transitions is not as pronounced as for round tubes. The transitional Re increases slowly with tube spacing, also in contrast to observations of round-tube falling films. The flat-tube falling-film flow regimes are described, and new correlations...

... point and the first position line As shown in Fig. 4 , the effect of flow rate is much more complex. Generally, the liquid film flowing from the liquid spreader to the upper edge of the heater tends to expand in lateral direction at high flow rates. However, in the heating region...

... results for heat transfer are in good agreement with predictions for falling-film flow and no unusual Nu enhancement was observed in the present studies. Additionally, a 20% mode transitional Reynolds number increase was recorded for transitions between sheets and jets and jet-droplet mode to droplet mode...

... on the thermally induced oscillatory flow and heat transfer performance, and the mechanism of film condensation and evaporation are investigated. 08 05 2010 27 09 2010 19 01 2011 19 01 2011 boundary layer turbulence channel flow condensation convection evaporation film flow fluid...

...Adrien Aubert; Fabien Candelier; Camille Solliec Film flow coupled with heat and mass transfer is a widely open domain due to the range of its applications. However, the coupling between the different phenomena makes the analytical resolution difficult, and thus, coerces most authors...

... in the grooves. Therefore, a small part of the liquid is drained by the fins from the evaporator to the condenser. Furthermore, the condensate film covers a large part of the system and can also be in contact with the evaporator at high heat fluxes. capillarity film flow heat pipes pipe flow plates...

...Vishwanath Subramaniam; Srinivas Garimella 28 05 2009 drops film flow flow visualisation heat transfer mass transfer pipe flow 2009 American Society of Mechanical Engineers ...

... within 5% of a more complicated parallel-flow model currently available in literature. The model was also in good agreement with existing experimental data for a counterflow absorber. 05 12 2007 13 11 2008 18 03 2009 differential equations film flow heat transfer humidity...

...Klaus Helbig; Ralph Nasarek; Tatiana Gambaryan-Roisman; Peter Stephan Falling liquid films are used in many industrial apparatuses. In many cases the film flow along a wall with topography is considered advantageous for intensification of the heat and mass transport. One of the promising types...

... 05 2008 cooling film flow gas turbines turbulence vortices forced convection film cooling gas turbine heat transfer As economies across the world continue to grow, the demand for power also continues to increase. Commercial, industrial, and residential customers have come...

...) film condensation film flow flow through porous media heat transfer liquid films nonlinear differential equations porous materials Runge-Kutta methods wall suction filmwise condensation porous medium The problem of laminar film condensation on a vertical or nearly vertical wall...

... and Physics , 84 ed. , CRC Press , Boca Raton. 1997 , Perry’s Chemical Engineers’ Handbook , 7th ed. , McGraw-Hill , New York. 07 07 2006 18 03 2007 capillarity evaporation film flow liquid films organic compounds shear flow surface tension wetting contact line...

... to practically utilize thermally expandable flexible thin films, especially in MEMS and electronic cooling applications. 15 03 2006 02 10 2006 microchannel flow film flow heat transfer temperature distribution thermal expansion elastic constants numerical analysis thin films heat...

... at 3.8 μs. [ Avedisian, C.T., Cavicchi, R.E., Tarlov, M.J., Rev. Sci. Instruments, 2006, in press ; Balss, K.M., Avedisian, C.T., Cavicchi, R.E., Tarlov, M.J., Langmuir, 21, 10459–10467 (2005) ] bubbles two-phase flow flow visualisation laser beam applications undercooling film flow jets...

... for publication in the ASME Journal of Heat Transfer August issue of 2006. flow visualisation bubbles two-phase flow drops evaporation drying film flow cooling jets liquid crystals 2006 American Society of Mechanical Engineers ...

... and is metered for flow measurement •The mainstream and coolant are triggered at the same instant when the IR system starts taking images and saving to hard drive at set intervals •Images are saved then processed to calculate the heat transfer coefficients and film effectiveness using the theory cooling film...

... during the pseudo-steady-state regime as presented in Fig. 4 . organic compounds mixtures liquid films wetting evaporation film flow flow visualisation convection shear flow flow control two-phase flow surface tension contact angle binary evaporation contact line disjoining...

... portions (location B) carry a thin liquid film flow with film thickness δ f . Since most of the interface is flat and separates the deeper liquid flow from the vapor, at equilibrium we expect that 1 P v e = P l 0 where P l 0 is the liquid pressure...

... 12 2005 cooling film flow flow simulation coolants drops diffusion jets film cooling turbine-blade cooling mist cooling Cooling of gas turbine hot-section components, such as combustor liners, combustor transition pieces, turbine vanes (nozzles) and blades (buckets), has...

... to generalize the experimental data for nozzle flows with allowance for flow nonisothermality, compressibility, longitudinal pressure gradient, and high freestream turbulence number. 16 07 2005 11 11 2005 cooling film flow compressible flow aerodynamics nozzles subsonic flow supersonic...