Results 11 to 20 of about 639,476 (304)

Molecular free path distribution in rarefied gases [PDF]

open access: yes, 2011
We present the results of investigations into the distribution of molecular free paths in rarefied gases using molecular dynamics simulations. Our tests on a range of different gas densities and confinements (unbounded, single bounding wall and parallel ...
Dongari, Nishanth   +2 more
core   +2 more sources

Experimental study of a butanol film motion with a co-current gas flow inside a supersonic nozzle [PDF]

open access: yesE3S Web of Conferences
The results of experimental study of the local characteristics of a butanol near-wall film interacting with a co-current air flow in a supersonic nozzle with a geometric Mach number M = 3.75 are presented.
Prikhodko Victor   +2 more
doaj   +1 more source

Fluorine-Induced Electric Field Gradient in 3D Porous Aromatic Frameworks for Highly Efficient Capture of Xe and F-Gases

open access: yes, 2022
The development of robust and efficient porous adsorbents is essential for capturing xenon (Xe) and perfluorinated electron specialty gases (F-gases) in semiconductor exhaust gases, as toxic and corrosive gases coexist in high-temperature plasma ...
Heping Ma (417315)   +8 more
core   +1 more source

Gaseous reference standard for breath analysis [PDF]

open access: yesEPJ Web of Conferences
An increasing amount of research is going into detecting volatile organic compounds (VOCs) in exhaled breath to detect diseases and personalize treatment for patients: recently, these analytes has risen as potential biomarkers.
Gagni Laura, Bissolotti Giorgio
doaj   +1 more source

An investigation of the accuracy of numerical solutions of Boltzmann's equations for electron swarms in gases with large inelastic cross sections [PDF]

open access: yes, 1979
Copyright @ 1979 CSIROA Monte Carlo simulation technique has been used to test the accuracy of electron energy distribution functions and transport coefficients calculated using conventional numerical solutions of Boltzmann's equation based on a two-term
Reid, ID
core   +1 more source

NONLINEAR FILTRATION LAWS OF ONE-COMPONENT FLUIDS AT HIGH FLOW RATES

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
It is emphasized that well-known Darcy and Forchheimer laws of filtration are applicable for modes with low Reynolds numbers. For modes with a wide range of Reynolds numbers it is necessary to apply the Barry-Conway law of filtration.
V. A. Tolpaev   +2 more
doaj   +1 more source

Debilidades, oportunidades, fortalezas y amenazas sobre el planteamiento de la energía eléctrica como alternativa para el transporte en Colombia

open access: yesInventum Ingeniería, Tecnología e Investigación, 2011
La disposición y estructura actual de las ciudades, aunado al elevado crecimiento demográfico y la problemática ambiental que el planeta está atravesando, son la coyuntura que demanda políticas sobre el uso y eficiencia del tiempo y energía.
Sandra Liliana Uribe Celis
doaj   +1 more source

A frequency stabilized waveguide CO2-laser for photoacoustic spectroscopy of gases [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
A theoretical model of a waveguide CO2-laser was made to optimize the dimensions of the waveguide tube and resonator, i.e., to obtain the best mode structure while maximizing the output power.
Ostojić Gordana M.   +2 more
doaj   +3 more sources

Determination of the Concentration of Gases by Measurement of Pressure [PDF]

open access: yes, 1987
For the determination of the concentration of gases by means of pressure measurement, a precise equation of state is given by which analysis can be carried out within an accuracy of 10 ppm. The parameters of the equation of state are explicitely reported
H. Langhals, Langhals, Heinz
core   +1 more source

Oxidant Gases [PDF]

open access: yesEnvironmental Health Perspectives, 1984
The acute and chronic action of the oxidant gases ozone, nitrogen dioxide and oxygen on the morphological appearance of cells of the alveolar and bronchiolar epithelium is reviewed. Type I cells of the alveolar and ciliated cells of the bronchiolar epithelium appear to be sensitive targets for the oxidant gases.
openaire   +2 more sources

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