Results 71 to 80 of about 231,922 (205)

Increased insolation threshold for runaway greenhouse processes on Earth like planets

open access: yes, 2013
Because the solar luminosity increases over geological timescales, Earth climate is expected to warm, increasing water evaporation which, in turn, enhances the atmospheric greenhouse effect.
A Arking   +49 more
core   +4 more sources

Effect of Moist Air on Transonic Internal Flow around a Plate

open access: yesJournal of Fluid Science and Technology, 2009
The unsteady phenomena in the transonic flow around airfoils are observed in the flow field of fan, compressor blades and butterfly valves, and this causes often serious problems such as the aeroacoustic noise and the vibration.
A.B.M. Toufique HASAN   +3 more
doaj   +1 more source

Graphite fluoride lubrication: The effect of fluorine content, atmosphere, and burnishing technique [PDF]

open access: yes
Eight different graphite fluoride compounds with fluorine to carbon ratios varying from x = 0.25 to 1.1 were evaluated as burnished films in order to determine the effect of fluorine content on the solid lubricant properties of graphite fluoride.
Fusaro, R. L.
core   +1 more source

Autumn Twilight [PDF]

open access: yes, 2015
On my lips the sad bitter taste Of moist autumn air..
McDonnell, Anne
core   +1 more source

Friction behavior of glass and metals in contact with glass in various environments [PDF]

open access: yes
Sliding friction experiments have been conducted for heat-resistant glass and metals in contact with glass. These experiments were conducted in various environments including vacuum, moist air, dry air, octane, and stearic acid in hexadecane.
Buckley, D. H.
core   +1 more source

Effect of Sintering Atmosphere on Phase Evolution of Hydroxyapatite Nanocomposite Powders [PDF]

open access: yes, 2012
In the present work, pure hydroxyapatite, hydroxyapatite-20 wt% alumina and hydroxyapatite-20 wt% titanium mixtures were pressed and sintered in air, moist, and reduction atmospheres at 1200 C for 2 h. XRD investigations of sintered samples showed that,
Ebadzadeh, T., Ebrahimi, M., Salahi, E.
core  

On the Necessary but Sufficient Amount of Grease to Obtain Fully Lubricated Fretting Regime in Moist Air for SUJ2 Bearing Steel against S15C Carbon Steel

open access: yesTribology Online, 2013
Influence of the moist air humidity (10-70%) on the fretting characteristics of steels under grease lubrication is experimentally investigated. Ball (bearing steel, JIS SUJ2) on disk (carbon steel, JIS S15C) type fretting tests for 0-20 mg of grease ...
Claudiu Valentin Suciu   +2 more
doaj   +1 more source

On a general definition of the squared Brunt-V\"{a}is\"{a}l\"{a} Frequency associated with the specific moist entropy potential temperature

open access: yes, 2012
The squared Brunt-V\"{a}is\"{a}l\"{a} Frequency (BVF) is computed in terms of the moist entropy potential temperature recently defined in Marquet (2011). Both homogeneously saturated and non-saturated versions of $N^2$ (the squared BVF) are derived.
Geleyn, Jean-François, Marquet, Pascal
core   +1 more source

Home - About - Disclaimer - Privacy