Results 91 to 100 of about 8,244 (250)

Synergistic Heat Transfer Enhancement in Triangular Enclosures: Hybrid Nanofluid‐Porous Wavy Fin Systems Under Magnetohydrodynamic and Radiation Effects

open access: yesEnergy Science &Engineering, Volume 13, Issue 12, Page 5924-5948, December 2025.
ABSTRACT This study numerically investigates thermal transport and fluid dynamics in a triangular cavity filled with a MgO–Ag–H2O hybrid nanofluid containing an undulating porous fin under electromagnetic field and thermal radiation influences. The governing equations are solved numerically using the Galerkin finite element methodology with Darcy ...
Adil Abbas Alwan   +7 more
wiley   +1 more source

Altitude Effects on Ejected Flames in Façade Calibration Tests: Experimental and Numerical Investigation

open access: yesFire and Materials, Volume 49, Issue 8, Page 1189-1204, December 2025.
ABSTRACT Ejected flames from a compartment opening pose a significant fire hazard to building fire safety, serving as a trigger of rapid façade flame spread. Although extensively studied under standard altitude conditions, their fire behavior under subatmospheric pressure remains to be further explored.
Xukun Sun   +4 more
wiley   +1 more source

Entropy Generation and Heat Transfer in a Circular Cavity With Immiscible Fluids: Effects of Active Cylinder Position and Oscillating Magnetic Field

open access: yesHeat Transfer, Volume 54, Issue 8, Page 4799-4830, December 2025.
ABSTRACT This study investigates entropy generation and heat transfer in a circular cavity containing immiscible air and TiO2–water nanofluid layers with a centrally positioned active cylinder under oscillating magnetic field influence. The governing equations were solved using the Galerkin weighted residual finite element method with a penalty ...
Ahmed M. Hassan   +6 more
wiley   +1 more source

An Optothermal Raman Model Accounting for Convection, Radiation, and Substrate Effects for Evaluation of the Thermal Conductivity of Two‐Dimensional Coatings

open access: yesHeat Transfer, Volume 54, Issue 8, Page 4973-4988, December 2025.
ABSTRACT Thermal conductivity of two‐dimensional (2D) materials is important to characterize as this will govern thermal transport physics in the various thermal and energy applications benefitting from the unique properties of these materials.
Micah P. Vallin   +7 more
wiley   +1 more source

Thermal–Hydraulic Performance and Entropy Generation Analysis of a Nanoencapsulated Phase Change Material Suspension Flow Between Fixed and Rotating Cylinders Under Magnetic Field Influence

open access: yesHeat Transfer, Volume 54, Issue 8, Page 5138-5160, December 2025.
ABSTRACT This study investigates the thermal–hydraulic performance of a nanoencapsulated phase change material (NEPCM) suspension in a rectangular enclosure featuring two counterrotating cylinders positioned between three fixed hot and three fixed cold cylinders under magnetic field influence.
Mohammed Azeez Alomari   +4 more
wiley   +1 more source

Modelling the drying of single droplets of aqueous solutions of lactose and of maltodextrin

open access: yesJournal of Chemical Technology &Biotechnology, Volume 100, Issue 12, Page 2677-2688, December 2025.
Abstract The average temperature of shrinking droplets is obtained from an enthalpy balance considering convection to or from the surroundings and cooling due to evaporation of solvent from the surface. This unique application of the fully implicit backward scheme captures the moisture values at all nodes in the grid, including at the centre and outer ...
Mohd Rosdan Faridatul Ain   +3 more
wiley   +1 more source

Experimental Investigation of Forced Convection in Plain or Partly Inserted Square Channel with Porous Media

open access: yesJournal of Engineering
Several techniques are used to improve the channels' heat transfer coefficient and Nusselt number. One of the methods used for these improvements is porous media (PM).
Sarmad A. Ali, Suhad A. Rasheed
doaj   +1 more source

Tectonics and Surface Processes During Collisional Orogenesis—Exploring the Parameter Space of the Beaumont Number

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 12, December 2025.
Abstract The collision of continents typically leads to orogenesis as a result of crustal thickening and isostatic compensation. High topography is a main locus of precipitation‐fueled erosion, providing a feedback‐loop between tectonics, surface processes, and climate.
S. G. Wolf, R. S. Huismans, J. Braun
wiley   +1 more source

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