...Joyonty Ghosh; Nepal Chandra Roy; Sanjit Kumar Paul Purpose This study aims to numerically explore double-diffusive natural convection and entropy generation of nano-encapsulated phase change materials (NEPCMs) mixed hybrid nanofluid within a partitioned biconcave cavity. This research also...

... at understanding transport phenomena rather than a direct depiction of a blood formulation that is ready for clinical use. Hepta-hybrid nanofluid Casson fluid Pulsatile flow Magnetohydrodynamics (MHD) Stenosed artery Entropy generation Caputo fractional derivative g = Acceleration...

.... Originality/value This study clarifies how thermal relaxation, radiation, magnetic forcing, wall mass transfer and hybrid loading act together in heat transfer and entropy generation over a stretching disk. 30 01 2026 29 04 2026 03 06 2026 28 06 2026 © 2026 Emerald Publishing...

... of a micropolar fluid in a square chamber. The heat absorption/generation and thermal radiation are taken into account to examine flow and thermal pattern. The entropy generation and ecological coefficient of performance are also examined. Design/methodology/approach The vertical (left) sidewall is subjected...

...Sarna Soren; Samrat Hansda; Anirban Chattopadhyay Purpose The purpose of this paper is to numerically optimize coupled thermal and solutal transport while minimizing entropy generation in a wavy porous container with partial heating and an internal cold block, filled with a non-Newtonian ternary...

...Muhammad Aqib Aslam; Izzat Razzaq; Lele Yang; Mohammed K. Al Mesfer; Xinhua Wang; Mohd Danish; Md. Hasan Zahir; Hasan Shahzad Purpose This study aims to investigate entropy generation and transport characteristics of magnetohydrodynamic double-diffusive natural convection in a porous convex...

...Paluru Sreedevi; P. Sudarsana Reddy; Ali Chamkha Purpose This study aims to investigate entropy generation in unsteady Buongiorno’s model nanofluid flow inside a square cavity under the combined effects of thermal radiation, chemical reaction and Cattaneo–Christov heat flux, with emphasis...

...Izzat Razzaq; Wang Xinhua; Salem Algarni; Muhammad Aqib Aslam; Talal Alqahtani; Sana Qaiyum; Hasan Shahzad Purpose Minimizing entropy generation and understanding buoyancy-driven heat transfer mechanisms in complex enclosures are essential for improving the efficiency of advanced thermal...

... of thermodynamics dictates that irreversibilities arise naturally in fluid flow and heat transfer, causing energy dissipation. To evaluate these effects and improve system performance, entropy generation is analyzed. Entropy generation analysis is a vital tool in assessing the thermodynamic irreversibilities within...

... performance is assessed using first-law heat and mass transfer metrics alongside second-law measures based on entropy generation and Bejan number. A physics-informed stacked ensemble learning model is developed to predict the transient evolution of average Nusselt and Sherwood numbers. The novelty lies...

...@alumni.ucr.edu 05 10 2025 20 11 2025 30 11 2025 © 2025 Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only Hybrid nanofluids Electroosmotic forces Entropy generation Peristalsis Cilia flow Sutterby fluid Gyrotactic microorganisms...

... ) in water was studied on the thermal behavior of these novel nanoliquids in the presence of natural convection flows. The entropy generation for these nanoliquids was also investigated. Design/methodology/approach The NEPCM is modeled as a lumped phase change nanoparticle with a phase change material...

.... A Casson fluid model is used to account for non-Newtonian hemorheological behavior, with blood viscosity modeled as hematocrit-dependent. The second law of thermodynamics is applied to evaluate entropy generation and flow irreversibility in the presence of nanoparticles. Design/methodology/approach...

...Prabir Barman; B.V. Rathish Kumar Purpose This study aims to analyze entropy generation in free convection within a partially heated wavy non-Darcy porous cavity, considering the presence of hybrid nanofluid and the impact of the cavity's inclination angle. Design/methodology/approach...

.... The Jeffrey fluid model is employed to analyze the viscoelastic fluid flow, with entropy generation examined and equations solved analytically under low Reynolds number and long-wavelength assumptions. Findings The findings reveal that an increase in magnetic field strength impedes fluid flow, while...

...Aniket Halder; Arabdha Bhattacharya; Mikhail A. Sheremet; Nirmalendu Biswas; Nirmal K. Manna; Dipak Kumar Mandal; Ali J. Chamkha Purpose This study aims to examine magnetohydrodynamic mixed convective phenomena and entropy generation within a semicircular porous channel, incorporating impinging...

...Boussouffi Mustapha; Amina Sabeur Purpose This study aims to provide an in-depth analysis of entropy generation (EG) during natural convection within the annular space between confocal elliptic cylinders, with a specific focus on the influence of Brownian motion on nanofluid behavior. Design...

... highlights the robustness and versatility of the methods. Findings The system’s entropy generation is enhanced by incrementing the magnetic field parameter (M), while the electric field (E) and velocity slip parameters (ξ) control its growth. Mass transportation irreversibility and the Bejan number...

...N. Ameer Ahammad Purpose This study aims to investigate entropy generation through natural convection and examine heat transfer properties within a partially heated and cooled enclosure influenced by an angled magnetic field. The enclosure, subjected to consistent heat production or absorption...

...Razi Khan Purpose Analyzing and reducing entropy generation is useful for enhancing the thermodynamic performance of engineering systems. This study aims to explore how polymers and nanoparticles in the presence of Lorentz forces influence the fluid behavior and heat transfer characteristics...