... of heat transfer characteristics. The 3D simulation results are in strong concurrence with the experimental results in all investigations. 1 Corresponding author. e-mail:  hirakh.das@iitg.ac.in 30 10 2023 16 07 2024 19 09 2024 cone angle hydrodynamics granular...

...Ranabir Dey; Debapriya Chakraborty; Suman Chakraborty In the present paper, closed form solutions for the Nusselt number are obtained for hydrodynamically and thermally fully developed combined electroosmotic and pressure-driven flows in narrow confinements for the constant wall heat flux boundary...

...Stéphane Lips; Frédéric Lefèvre; Jocelyn Bonjour Thermal and hydrodynamic experimental results of a flat plate heat pipe (FPHP) are presented. The capillary structure is made of crossed grooves machined in a copper plate. The shape of the liquid-vapor interface in this type of capillary structure...

... manifold. We developed a fabrication and packaging procedure to manufacture prototypes by means of standard microprocessing. A closed fluid loop for precise hydrodynamic and thermal characterization of six different test vehicles was built. We studied the influence of the number of manifold systems...

... in the fields of heat exchange and multiphase flow. By taking into account the superheat, heat transfer, and hydrodynamics of the multiphase-droplet the aim of this study is to create greater insight into the character of this transient-boiling process, for the first time. The sudden depressurization of a water...

.... The effect of the Reynolds number, length of the increasing waviness region, waviness of the wavy wall on the hydrodynamics, and thermal characteristics of the channel is investigated. The result indicates that the linearly increasing waviness at the entrance region significantly reduces the pressure drop...

... convection parameter Gr/Re, the Knudsen number Kn, and the aspect ratio r * on the microchannel hydrodynamic and thermal behaviors are determined. Finally, a Nu = f ( Gr ∕ Re , Kn , r * ) expression is developed. It is disclosed that increasing Gr/Re enhances heat transfer while rarefaction effects...

... with the capability to predict the transient laminar thermal-boundary-layer response for similar or nonsimilar flow and thermal behaviors. The method was tested for the step change in the far-field flow temperature of a two-dimensional semi-infinite flat plate with steady hydrodynamic boundary layer and constant wall...

... differential equations heat transfer hydraulic systems hydrodynamics integration thermodynamics thermal-hydraulic simulation modelling method In hydraulic systems, the oil temperature mainly depends on the efficiency of some working components, such as pumps, motors, and valves...

.... 05 04 2005 26 08 2006 30 01 2008 heat exchangers perturbation techniques heat conduction disperse systems finite difference methods thermodynamics hydrodynamics axial dispersion finite difference longitudinal conduction three-fluid heat exchanger transient behavior...

... and 7.1 m s − 1 , droplet diameters ranging from 0.250 × 10 − 3 m to 1.002 × 10 − 3 m , and surface temperatures covering 110 – 240 ° C . By properly accounting for the hydrodynamic differences between a spray and a single droplet stream, the empirical single droplet stream heat transfer correlations were...

... at the wall are included in the formulation. The effects of the modified mixed convection parameter, Gr q ∕ Re , the Knudsen number, Kn, and the ratio of wall heat flux, r q = q 1 ∕ q 2 , on the microchannel hydrodynamic and thermal behaviors are determined. Finally, a Nu = f ( Gr q ∕ Re , Kn , r q...

...P. K. Papadopoulos; P. M. Hatzikonstantinou The hydrodynamically fully developed and thermally developing flow inside a curved elliptic duct with internal longitudinal fins is studied numerically. The duct is subjected to the uniform temperature boundary condition on its wall and fins. The local...

... the complete geometry of the heat transfer surface and more realistic hydrodynamic and thermal boundary conditions. A cold channel with two chevron plates and two halves of hot channels on either side having flat periodic boundaries was selected as the computational domain. The numerical model was validated...

... are represented in the form of the ratio of the pressure loss for the steam-water flow to that for the single-phase water flow at identical mass-flow rates. 10 11 2005 25 07 2006 hydrodynamics two-phase flow fluidised beds mass transfer steam-water mixture pebble bed hydrodynamic...

... and can have higher values downstream of the hydraulic jump compared to those obtained from the analysis that does not include the gravitational effects. 11 04 2006 26 06 2006 hydrodynamics liquid films heat transfer integral equations rotational flow heat transfer thin liquid...

... convection parameter, Gr/Re, the Knudsen number, Kn, and the ratio of wall temperature difference, r T , on the microchannel hydrodynamic and thermal behaviors are determined. Finally, a Nu = f ( Gr ∕ Re , Kn , r T ) expression is developed. 16 02 2006 19 04 2006 convection plates...

... mass transfer bubbles two-phase flow hydrodynamics heat convection two bubbles potential flow Convective heat and mass transfer from bubbles rising in fluids occurs in many engineering industries, technologies, and scientific applications. Among these are: drying, adsorption...

...Brandon Schneider; Ali Koşar; Chih-Jung Kuo; Chandan Mishra; Gregory S. Cole; Robert P. Scaringe; Yoav Peles Heat transfer has been investigated in the presence of hydrodynamic cavitation instigated by 20 - μ m wide inlet micro-orifices entrenched inside 227 - μ m hydraulic diameter microchannels...

... whereas the energy integral equation is solved for both isothermal and isoflux boundary conditions. A fourth-order velocity profile in the hydrodynamic boundary layer and a third-order temperature profile in the thermal boundary layer are used to solve both integral equations. Closed form expressions...