Results 21 to 30 of about 292,185 (284)

Heat and Mass Transfer [PDF]

open access: yesNature, 1968
Thermophysical Properties Research Literature Retrieval Guide Edited by Y. S. Touloukian, J. K. Gerritsen and N. Y. Moore Second edition, revised and expanded. Book 1: Pp. xxi + 819. Book 2: Pp.621. Book 3: Pp. ix + 1315. (New York: Plenum Press, 1967.) n.p.
openaire   +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

Novel Numerical Methods in Heat and Mass Transfer

open access: yes, 2022
The Special Issue entitled “Novel Numerical Methods in Heat and Mass Transfer” focuses on such issues as CFD modeling of fluid flow, heat transfer characteristics, mass transfer, phase-change and heat exchangers.
Magdalena Piasecka, Krzysztof Dutkowski
core   +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

Prospects of Using Gas Hydrates in Power Plants

open access: yesEnergies, 2022
By adding water to fuels, several objectives are pursued, with the main ones being to stabilize combustion, minimize the anthropogenic gaseous emissions, homogenize and stabilize the fuel, as well as improve its fire and explosion safety.
Dmitrii Antonov   +4 more
doaj   +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

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

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

Refrigerant forced-convection condensation inside horizontal tubes [PDF]

open access: yes, 1968
High vapor velocity condensation inside a tube was studied theoretically. The heat transfer coefficients were calculated by the momentum and heat transfer analogy.
Bae, S.   +8 more
core   +1 more source

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