Results 91 to 100 of about 20,795 (255)

Enhancing Efficiency in Double‐Pipe Heat Exchangers: A Detailed Review of NanoFluids and Their Impact on Thermal Performance

open access: yesHeat Transfer, Volume 55, Issue 1, Page 212-240, January 2026.
ABSTRACT This study reviews recent advances in using nanofluids to enhance double‐pipe heat exchanger (DPHE) efficiency. The review examines several types of nanofluids, that is, water‐based graphene oxide and CuO–water nanofluids, assessing their effectiveness under different operating conditions, including inlet temperature and nanoparticle volume ...
Farhan Lafta Rashid   +8 more
wiley   +1 more source

Exploring the Effects of Reduced Gravitational Field Impacts on Convective Heat Transfer: A Comprehensive Review

open access: yesHeat Transfer, Volume 55, Issue 1, Page 764-774, January 2026.
ABSTRACT This review explores the impact of gravitational instability on convective heat transfer, integrating existing research results and theoretical models. Gravitational instability is vital in promoting or hindering convective actions in different systems, such as atmospheric events, ocean currents, and industrial processes.
Hossam A. Nabwey   +3 more
wiley   +1 more source

A Lattice Boltzmann study of the effects of viscoelasticity on droplet formation in microfluidic cross-junctions

open access: yes, 2016
Based on mesoscale lattice Boltzmann (LB) numerical simulations, we investigate the effects of viscoelasticity on the break-up of liquid threads in microfluidic cross-junctions, where droplets are formed by focusing a liquid thread of a dispersed (d ...
Gupta, Anupam, Sbragaglia, Mauro
core   +1 more source

Recent Trends in Hybrid Biopolymer‐Nanoparticle Systems for Enhanced Oil Recovery

open access: yesSPE Polymers, Volume 7, Issue 1, January 2026.
Formulation and injection of a biopolymer‐nanoparticle system to enhance the recovery of trapped oil. ABSTRACT Enhanced Oil Recovery techniques, particularly chemical flooding, have been used to improve oil displacement efficiency, while the use of synthetic polymers often faces challenges related to ecotoxicity and instability under high temperature ...
Fateh Sadallah   +2 more
wiley   +1 more source

Design Strategies and Roles of Hydrogels for Sustainable Energy Conversion and Harvesting from Natural and Biological Environments

open access: yesAdvanced Materials, Volume 37, Issue 50, December 17, 2025.
This review examines hydrogel‐based technologies driven by environmental stimuli and emphasizes their unique contributions to energy conversion. It provides insights into design strategies and recent advancements in functional hydrogels, highlighting opportunities and challenges in this field.
Wanheng Lu   +5 more
wiley   +1 more source

Spectrally Engineered Greenhouse Cool Cover for Energy and Water Efficiency in Diverse Climates

open access: yesAdvanced Energy and Sustainability Research, Volume 6, Issue 12, December 2025.
A spectrally selective multilayer cool cover reflects NIR and transmits photosynthetically active radiation to reduce cooling demand while maintaining crop productivity. Designed for hot climates, it enhances energy and water efficiency in greenhouses.
Amrit Kumar Thakur   +3 more
wiley   +1 more source

Heat transfer enhancement in the boundary layer flow of hybrid nanofluids due to variable viscosity and natural convection

open access: yesHeliyon, 2019
The aim of the current work is to explore how heat transfer can be enhanced by variations in the basic properties of fluids in the presence of free convection with the aid of suspended hybrid nanofluids.
S. Manjunatha   +4 more
doaj   +1 more source

Multilayered plasmonic nanostructures for solar energy harvesting

open access: yes, 2018
Optical properties of core-shell-shell Au@SiO2@Au nanostructures and their solar energy harvesting applications are theoretically investigated using Mie theory and heat transfer equations.
Le, Nam B.   +3 more
core   +1 more source

Crude oil viscosity reduction using TiO2, MgO, and Al2O3 nanoparticles

open access: yesThe Canadian Journal of Chemical Engineering, Volume 103, Issue 12, Page 5860-5874, December 2025.
Summary of the laboratory procedures, viscosity test conditions, obtained results, and viscosity trends based on the investigated parameters. Abstract The viscosity of crude oil plays a crucial role in enhancing oil recovery and flow efficiency within well columns and pipelines.
Iman Nowrouzi   +2 more
wiley   +1 more source

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