Melting and solidification of a phase change material with constructal tree-shaped fins for thermal energy storage

A Shukla, K Kant, PH Biwole, R Pitchumani… - Journal of Energy …, 2022 - Elsevier
Considering the increasing gap between energy demand and clean energy supply
availability, there is a strong need to impart novel design structures to effectively utilize the …

A study of entropy generation in tree-shaped flow structures

AF Miguel - International Journal of Heat and Mass Transfer, 2016 - Elsevier
This paper examines the degree of irreversibility, or thermodynamic nonideality, in a tree-
shaped flow network with a constant wall heat flux. The tree network is a dichotomic and …

Toward an optimal design principle in symmetric and asymmetric tree flow networks

AF Miguel - Journal of Theoretical Biology, 2016 - Elsevier
Fluid flow in tree-shaped networks plays an important role in both natural and engineered
systems. This paper focuses on laminar flows of Newtonian and non-Newtonian power law …

Constructal branching design for fluid flow and heat transfer

AF Miguel - International Journal of Heat and Mass Transfer, 2018 - Elsevier
Our focus is space-filling networks to deliver and distribute flows. Here we report an
analytical analysis of optimal branching networks of tubes for both fluid flow and heat …

Heat sinks with minichannels and flow distributors based on constructal law

EM Nava-Arriaga, A Hernandez-Guerrero… - … Communications in Heat …, 2021 - Elsevier
The power and speed of computers processors have grown significantly, implying that a big
amount of heat must be removed for better performance. A computational thermo …

The Optimal Branch Width Convergence Ratio to Maximize the Transport Efficiency of the Combined Electroosmotic and Pressure-Driven Flow within a Fractal Tree …

D Jing, P Qi - Fractal and Fractional, 2024 - mdpi.com
Building upon the efficient transport capabilities observed in the fractal tree-like convergent
structures found in nature, this paper numerically studies the transport process of the …

New insights into creeping fluid flow through dendritic networks: A constructal view

VR Pepe, AF Miguel, FSF Zinani, LAO Rocha - … Communications in Heat …, 2022 - Elsevier
Flow networks with dendritic tube organization are common in natural systems. Although the
Hess-Murray law has been extensively reported in the literature, there have also been …

Optimal Y-shaped constructs heat sinks under different size constraints

AF Miguel - International Journal of Heat and Mass Transfer, 2019 - Elsevier
Losses due to irreversible processes accompanying the heat and fluid flows. This paper
addresses the fundamental question of what the shape of parent and offspring branches …

Optimal branching structure of fluidic networks with permeable walls

VR Pepe, LAO Rocha, AF Miguel - BioMed research …, 2017 - Wiley Online Library
Biological and engineering studies of Hess‐Murray's law are focused on assemblies of
tubes with impermeable walls. Blood vessels and airways have permeable walls to allow the …

Optimizing solar collector through constructal design of Y-shaped networks with power-law nanofluid flow

JA Ojeda, C Esparza, F Méndez - Applied Thermal Engineering, 2024 - Elsevier
Solar energy is a plentiful and renewable resource; therefore, its use through clean energy
technologies is necessary to reduce the consumption of fossil fuels and their consequent …