Results 11 to 20 of about 262,009 (305)

VERIFICATION OF THE PHYSICAL AND MATHEMATICAL MODEL FOR CALCULATION OF AERODYNAMIC CHARACTERISTICS OF BLUFF BODIES MOVING IN AIR AT LARGE MACH NUMBERS

open access: yesСистемный анализ и прикладная информатика, 2018
The verification results of the computer simulation model for calculation of aerodynamic characteristics of bluff bodies (cone with different apex angles and a «cone–cylinder» body) moving in air at different Mach number and zero angle of attack are ...
A. D. Chorny   +5 more
doaj   +1 more source

Effect of low heat and mass fluxes on the boiling heat transfer coefficient of R-245fa [PDF]

open access: yes, 2021
In-tube flow boiling at low mass and heat fluxes is of increasing interest particularly for low-concentration solar power systems, refrigerators, heat pumps, and other thermal management components and systems.
Dirker, J   +4 more
core   +1 more source

Experimental and Numerical Investigation of Gaseous Detonation in a Narrow Channel with Obstacles

open access: yesFluids, 2021
Gaseous detonation propagation in a thin channel with regularly spaced cylindrical obstacles was investigated experimentally and numerically. The wave propagation with substantial velocity deficits is observed and the details of its propagation mechanism
Pavel N. Krivosheyev   +5 more
doaj   +1 more source

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

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

UNCONTROLLED PHOTOMULTIPLIER CURRENT IN PHOTOEMISSION ANALYSIS

open access: yesПриборы и методы измерений, 2016
The dependence of photon energy from energy of photoelectron is base of photoemission radiation analysis. In such photoemission measurements except current of photocathode is always exist a reverse current from the collector of electrons to the ...
K. A. Viazava   +2 more
doaj   +1 more source

The design of mini/micro heat exchangers: A world of opportunities and constraints [PDF]

open access: yes, 2018
Micro heat exchangers and heat sinks broadened their use in many technological fields during the last two decades. The reduction of the dimensions of the channels allows to obtain ultra-compact heat exchangers characterized by higher surface-to-volume ...
Gian Luca Morini   +5 more
core   +1 more source

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

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

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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