Results 21 to 30 of about 262,009 (305)

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

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

New Advancements in Heat and Mass Transfer: Fundamentals and Applications

open access: yes, 2023
Heat and mass transfer, widely involved in various energy systems, has great impacts on the safety, efficiency, as well as performance of these systems [...
Guojun Yu, Huihao Liu, Huijin Xu
core   +1 more source

Power‐law multi‐wave model for COVID‐19 propagation in countries with nonuniform population density

open access: yesQuantitative Biology, 2022
Background The purpose of our study is to develop a quite precise mathematical model which describes epidemics spread in a country with non‐uniform population density.
Pavel Grinchuk, Sergey Fisenko
doaj   +1 more source

Study of a laminar falling film flowing over a wavy wall column: Part I. Numerical investigation of the flow pattern and the coupled heat and mass transfer [PDF]

open access: yes, 2001
Flow pattern and heat and mass transfer characteristics for a film flowing over a vertical wavy column are numerically investigated in a laminar flow regime.
Prevost, Michel   +5 more
core   +1 more source

Physical and Mathematical Models of Micro-Explosions: Achievements and Directions of Improvement

open access: yesEnergies, 2023
The environmental, economic, and energy problems of the modern world motivate the development of alternative fuel technologies. Multifuel technology can help reduce the carbon footprint and waste from the raw materials sector as well as slow down the ...
Dmitrii V. Antonov   +3 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

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

Experimental determination of natural convection heat transfer coefficients in an attic shaped enclosure

open access: yes, 2010
Heat transfer by natural convection in triangular enclosures is an area of significant importance in applications such as the design of greenhouses, attics and solar water heaters.
Carson, James K.   +2 more
core   +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

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