Results 21 to 30 of about 867,908 (334)

Laboratory Measurement and Boundary Conditions for the Water Vapour Resistivity Properties of Typical Australian Impermeable and Smart Pliable Membranes

open access: yesBuildings, 2021
The duo of better insulated and more air-tight envelopes without appropriate consideration of water vapour diffusion and envelope moisture management has often demonstrated an increased potential of moisture accumulation, interstitial condensation, and ...
Toba Samuel Olaoye   +2 more
doaj   +1 more source

Synthesis of [(4-Chloro-5H-1,2,3-dithiazol-5-ylidene)amino]azines

open access: yesMolecules, 2011
The reactions of 2-, 3- and 4-aminopyridines with 4,5-dichloro-1,2,3-dithiazol-ium chloride (Appel salt) 4 to give N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)pyridin-X-amines 1a (X = 2), 1g (X = 3) and 1k (X = 4) were optimized with respect to base ...
Panayiotis A. Koutentis   +2 more
doaj   +1 more source

Numerical Model of Heat Pipes as an Optimization Method of Heat Exchangers

open access: yesEnergies, 2021
This paper presents research results on heat pipe numerical models as optimization of heat pipe heat exchangers for intensification of heat exchange processes and the creation of heat exchangers with high efficiency while reducing their dimensions.
Łukasz Adrian   +3 more
doaj   +1 more source

Bose-Einstein condensation and condensation of $q$-particles in equilibrium and non equilibrium thermodynamics: a new approach [PDF]

open access: yes, 2015
In the setting of the principle of local equilibrium which asserts that the temperature is a function of the energy levels of the system, we exhibit plenty of steady states describing the condensation of free Bosons which are not in thermal equilibrium ...
Accardi, Luigi, Fidaleo, Francesco
core   +2 more sources

Nonequilibrium Weak Processes in Kaon Condensation II - Kinetics of condensation --- [PDF]

open access: yes, 1999
The kinetics of negatively charged kaon condensation in the early stages of a newly born neutron star is considered. The thermal kaon process, in which kaons are thermally produced by nucleon-nucleon collisions, is found to be dominant throughout the ...
A. Akmal   +69 more
core   +3 more sources

Contemporary state of production of wood coal

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2018
The article deals with the properties of coal and the field of application, the development of technology for the production of charcoal, and also the installation for the processing of timber materials of the timber industry.
N. F. Timerbaev   +3 more
doaj   +1 more source

Condensation droplet sieve

open access: yesNature Communications, 2022
AbstractLarge droplets emerging during dropwise condensation impair surface properties such as anti-fogging/frosting ability and heat transfer efficiency. How to spontaneously detach massive randomly distributed droplets with controlled sizes has remained a challenge.
Chen Ma   +7 more
openaire   +4 more sources

Condensate cosmology -- dark energy from dark matter [PDF]

open access: yes, 2002
Imagine a scenario in which the dark energy forms via the condensation of dark matter at some low redshift. The Compton wavelength therefore changes from small to very large at the transition, unlike quintessence or metamorphosis.
A. Arbey   +54 more
core   +2 more sources

CALCULATION OF TEMPERATURE-HUMIDITY MODE OF BRICK AND REINFORCED CONCRETE CHIMNEYS WALLS

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2018
The method for calculating the temperature-humidity mode of brick and reinforced concrete chimneys is presented. The processes of heat exchange of combustion products in the gas volume of the chimneys and heat and mass transfer in it’s walls also, are ...
D. A. Khvorenkov   +2 more
doaj   +1 more source

Binary liquid film condensation from water-ammonia vapors mixture flowing downward along a parallel plate condenser

open access: yesFrontiers in Mechanical Engineering, 2023
The ammonia-water film condensation is used as an efficient working fluid in industrial applications such as refrigeration, plate condenser and evaporator, absorber/generator heat exchange, air-conditioning, heat pumps and separation processes.
Abdelaziz Nasr   +2 more
doaj   +1 more source

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