Results 81 to 90 of about 109,133 (297)

Research on Heat Transfer Enhancement of Spiral Grooved Tube Heat Exchangers Based on CFD and Artificial Intelligence

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Driven by the energy crisis and carbon neutrality goals, high‐efficiency heat exchange equipment has become a core demand in the industrial sector. The spiral grooved double‐pipe heat exchanger exhibits significant heat transfer enhancement advantages, yet it requires balancing heat transfer efficiency and pressure loss.
Yueyun Yang, Wei Li, Xiuzhi Xi, Neng Gao
wiley   +1 more source

Numerical Study of Proppant Transport with Supercritical CO2 in Fracture

open access: yesShiyou jixie, 2018
Supercritical CO2 (SC-CO2) fracturing is one of the new waterless fracturing technologies, which has been drawn much attention because of its environmental friendly and highly efficient advantages. However, the capacity and behavior of proppant transport
Wang Meng   +5 more
doaj  

Nonthermal Food Processing Technologies: A Comprehensive Review

open access: yesFuture Postharvest and Food
Traditional thermal food preservation methods often compromise nutritional and sensory quality. Nonthermal technologies such as high‐pressure processing (HPP), pulsed electric field (PEF), ultrasound, irradiation, cold plasma, ozone treatment, and ...
Ashok Kumar Yadav   +5 more
doaj   +1 more source

Experimental study on start-stop peak regulation of a 350 MW supercritical circulating fluidized bed coal-fired power unit

open access: yesReli fadian
With the rapid expansion of new energy power generation capacity in China, the insufficient load regulation capability of coal-fired power plants has become increasingly evident.
SONG Haifeng   +8 more
doaj   +1 more source

Fabrication of Polypropylene/CNF Composite Foam by Foam Extrusion With Chemical Blowing Agent

open access: yesJournal of Applied Polymer Science, EarlyView.
Polypropylene/CNF composite foams were fabricated by a foam extrusion process using a chemical foaming method. The addition of CNFs resulted in finer and higher‐density cell structures, even at low chemical blowing agent concentrations. Furthermore, X‐ray CT and SEM observations revealed a unique spike‐like cell structure generated by the penetration ...
Itsuki Yoshikawa   +2 more
wiley   +1 more source

PALM KERNEL OIL SOLUBITY EXAMINATION AND ITS MODELING IN EXTRACTION PROCESS USING SUPERCRITICAL CARBON DIOXIDE

open access: yesReaktor, 2013
Application of  supercritical carbon dioxide (SC-CO2) to vegetable oil extraction became an attractive technique due to its high solubility, short extraction time and simple purification.
Wahyu Bahari Setianto   +2 more
doaj   +1 more source

Fundamentals, Advances, and Applications of Electrospun Nanofibrous 3D Materials

open access: yesJournal of Applied Polymer Science, EarlyView.
Three‐dimensional electrospun nanofibrous systems offer unique properties and microenvironments. These properties are determined by the fabrication strategies employed and can be adjusted by the incorporation of functional additives to achieve multifunctionality for specific applications. The applications range from the biomedical to the environmental,
Rebecca Hengsbach   +4 more
wiley   +1 more source

Synergetic Combination of Carbon Xerogels, Graphene Oxide and nano‐ZnO for Aqueous and Organic Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez   +5 more
wiley   +1 more source

Unveiling opportunities and challenges for a circular approach to macaúba biorefining: a technological roadmap

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The macaúba fruit, native to tropical and subtropical regions, has received considerable attention in recent years as a promising raw material for the production of advanced biofuels in Brazil. However, the development of large‐scale biomass requires overcoming significant challenges, such as designing circular biorefineries.
Fábio de A. Oroski   +3 more
wiley   +1 more source

Bioeconomy, sustainability, and digital technologies in Haematococcus lacustris biomass and astaxanthin production: advances and outlook

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Astaxanthin is a carotenoid with strong antioxidant properties, used in research on cancer treatment, ocular injuries, and neurological disorders. When produced by the microalgae Haematococcus lacustris, its antioxidant potential is even higher than that of the synthetic molecule, making it particularly attractive for pharmaceutical and ...
Renata Kühl Rocha   +5 more
wiley   +1 more source

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