Results 21 to 30 of about 806,760 (255)

Computational Study of Heat Transfer inside Different PCMs Enhanced by Al2O3 Nanoparticles in a Copper Heat Sink at High Heat Loads

open access: yesNanomaterials, 2020
The cooling of electronic elements is one of the most important problems in the development of architecture in electronic technology. One promising developing cooling method is heat sinks based on the phase change materials (PCMs) enhanced by nano-sized ...
Nadezhda S. Bondareva   +2 more
doaj   +1 more source

Influence of Temperature from 20 to 100 °C on Specific Surface Energy and Fracture Toughness of Silicon Wafers

open access: yesПриборы и методы измерений, 2023
The influence of temperature in the range from 20 to 100 °C on the specific surface energy and fracture toughness of standard silicon wafers of three orientations (100), (110) and (111) was studied.
V. A. Lapitskaya   +2 more
doaj   +1 more source

Ignition Delay and Reaction Time Measurements of Hydrogen–Air Mixtures at High Temperatures

open access: yesFire
Induction and reaction times of hydrogen–air mixtures (ϕ = 0.5–2) have been measured behind reflected shock waves at temperatures of 1000–1600 K, pressures of 0.1, 0.3, 0.6 MPa in the domain of the extended second explosion limit.
Yauhen Baranyshyn   +3 more
doaj   +1 more source

Doped and Decorated Carbon Nanomaterials

open access: yesEurasian Chemico-Technological Journal, 2015
This work shows the preliminary results concerning to the synthesis or modification of carbon-based nanomaterials by plasma discharge, magnetron sputtering, and chemical vapor deposition methodologies.
J. Matos   +6 more
doaj   +1 more source

OPTIMIZATION OF AERODYNAMIC CONDITIONS OF THE CHAMBER DRIER OPERATION

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2016
Wood utilization is a critical direction of the industrial production advancement, where desiccation of wood holds a prominent place. Convective drying in chamber driers is the presentday dominant technique for wood desiccation.
V. A. Sychevsky   +2 more
doaj   +1 more source

Multi-Criteria Efficiency Analysis of Using Waste-Based Fuel Mixtures in the Power Industries of China, Japan, and Russia

open access: yesApplied Sciences, 2020
This paper presents the results of analyzing the efficiency of the following five fuel types: dry coal, wet coal processing waste, coal–water slurry, and two waste-derived slurries.
Ksenia Vershinina   +4 more
doaj   +1 more source

Microwave Pyrolysis of Woody Biomass: Influence of Radiation Power on the Composition of Conversion Products

open access: yesApplied Sciences, 2023
Biomass is a promising resource for the production of renewable energy, liquid fuels, and chemicals. Microwave pyrolysis is one of the directions of multifunctional conversion of raw materials.
Anatoliy Shvets   +3 more
doaj   +1 more source

Ironic Medications: A Narrative‐Based Psycho‐Educational Intervention to Explore Patient–Provider Communication in Adolescents With Haematological Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Adolescents with haematological malignancies face significant emotional and relational challenges, often accompanied by difficulties in communicating their needs within the healthcare context. To address these issues, a narrative‐based psycho‐educational intervention based on the creation and prescription of Ironic Medications was ...
Marta Stoppa   +7 more
wiley   +1 more source

Mathematical and Physical Description of Transport Phenomena in Heat Pipes Based on Nanofluids: A Review

open access: yesNanomaterials
Heat pipes are highly efficient heat transfer devices relying on phase-change mechanisms, with performance heavily influenced by working fluids and operational dynamics. This review article comprehensively examines hydrodynamics and heat transfer in heat
Marina S. Astanina   +4 more
doaj   +1 more source

Switching Coal-Fired Thermal Power Plant to Composite Fuel for Recovering Industrial and Municipal Waste: Combustion Characteristics, Emissions, and Economic Effect

open access: yesEnergies, 2020
Combustion characteristics were studied experimentally for single droplets of fuel slurries based on wet coal processing waste with municipal solid waste components (cardboard, plastic, rubber, and wood) and used turbine oil.
Dmitrii Glushkov   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy