An overview of sustainability of heat exchangers and solar thermal applications with nanofluids: A review

MS Bretado-de los Rios, CI Rivera-Solorio… - … and Sustainable Energy …, 2021 - Elsevier
Nanofluids have been studied as an innovative alternative fluid solution to enhance the
efficiency and profitability of thermal systems in industrial, commercial, and residential …

Review on modeling approaches for packed-bed thermal storage systems

I Calderón-Vásquez, E Cortés, J García… - … and Sustainable Energy …, 2021 - Elsevier
Several authors have established single-tank packed-bed storage as a promising alternative
that can be coupled with renewable thermal energy sources. The use of such systems can …

[图书][B] Convection in porous media

DA Nield, A Bejan - 2006 - Springer
By a porous medium we mean a material consisting of a solid matrix with an interconnected
void. We suppose that the solid matrix is either rigid (the usual situation) or it undergoes …

Effective thermal conductivities in packed beds: Review of correlations and its influence on system performance

M Díaz-Heras, JF Belmonte… - Applied Thermal …, 2020 - Elsevier
This paper reviews the extensive literature about the different experimental correlations for
effective thermal conductivity in packed beds. The review covers correlations for stagnant …

Exergy‐based performance analysis of packed‐bed solar air heaters

HH Öztürk, Y Demirel - International Journal of Energy …, 2004 - Wiley Online Library
This paper presents an experimental investigation of the thermal performance of a solar air
heater having its flow channel packed with Raschig rings. The packing improves the heat …

Rock bed pressure drop and heat transfer: Simple design correlations

KG Allen, TW Von Backström, DG Kröger - Solar energy, 2015 - Elsevier
Packed beds of rock using air as the heat transfer fluid are potentially suitable for thermal
energy storage in concentrating solar power plants. However, the pressure drop through …

On the effective heat transfer parameters in a packed bed

Y Demirel, RN Sharma, HH Al-Ali - International Journal of Heat and Mass …, 2000 - Elsevier
Heat transfer behavior of fluid flow through packed tube and channel has an important
impact on the design and operation of catalytic reactors. McGreavy et al.[1] emphasized how …

Thermodynamic analysis of convective heat transfer in an annular packed bed

Y Demirel, R Kahraman - International Journal of Heat and Fluid Flow, 2000 - Elsevier
A combination of the first and second law of thermodynamics has been utilized in analyzing
the convective heat transfer in an annular packed bed. The bed was heated asymmetrically …

Flow in a curved porous channel with a rectangular cross section

AA Avramenko, AV Kuznetsov - Journal of Porous Media, 2008 - dl.begellhouse.com
Laminar flow in a curved channel with a rectangular cross section is investigated. The
channel is occupied by a fluid-saturated porous medium. The flow is driven by a constant …

Enhancement of convection heat-transfer in a rectangular duct

Y Demirel, HH Al-Ali, BA Abu-Al-Saud - Applied energy, 1999 - Elsevier
Characteristics of wall-to-air heat transfer for a fully developed forced convection have been
studied in a large rectangular packed duct with 160 cm heated length, 40 cm width, and for …