نتایج جستجو برای: evaporation

تعداد نتایج: 21316  

2013
William P. Kustas Nurit Agam

Soil evaporation can signifi cantly infl uence energy fl ux partitioning of partially vegetated surfaces, ultimately affecting plant transpiration. While important, quantifi cation of soil evaporation, separately from canopy transpiration, is challenging. Techniques for measuring soil evaporation exist and continually improve. The large variability in soil water content requires that there be c...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Y Elia Altabet Amir Haji-Akbari Pablo G Debenedetti

The evaporation of water induced by confinement between hydrophobic surfaces has received much attention due to its suggested functional role in numerous biophysical phenomena and its importance as a general mechanism of hydrophobic self-assembly. Although much progress has been made in understanding the basic physics of hydrophobically induced evaporation, a comprehensive understanding of the ...

2006
C. M. O ’ D. Alexander S. J. Desch

Introduction: The origin of chondrules remains one of the great enigmas in meteoritics. Under the canonical formation conditions of low pressures, high temperatures and moderate cooling rates (10-1000 K/hr), some evaporation at least of the moderately volatile elements is expected. Chondrules are depleted in moderately volatile elements, but they do not have the systematic isotopic fractionatio...

2011
KRISTEN BARTLETT-HEALY SEAN P. HEALY GEORGE C. HAMILTON

Container-dwellingmosquitoes use a wide variety of container habitats. The bottle cap is often cited as the smallest container habitat used by container species. When containers are small, the habitat conditions can greatly affect evaporation rates that in turn can affect the species dynamics within the container. An evaporation ratemodel was adapted to predict evaporation rates inmosquito cont...

2006
V. Martínez Álvarez A. Baille J. M. Molina M. M. González-Real

The potential use of shade covers to reduce evaporation from agricultural reservoirs motivated this study on the effect of black polyethylene shade on the evaporation rate from a small water body (Class-A pan) and of its driving variables. Evaporation was measured hourly in two pans during the summer in Cartagena (Spain), along with the measurements of air temperature and humidity, water temper...

2014
Ram Ranjan Jayathi Y. Murthy S V. Garimella Suresh V. Garimella

A numerical model is developed for the evaporating liquid meniscus in wick microstructures under saturated vapor conditions. Four different wick geometries representing common wicks used in heat pipes, viz., wire mesh, rectangular grooves, sintered wicks and vertical microwires, are modeled and compared for evaporative performance. The solid-liquid combination considered is copper-water. Steady...

2004
H. Lammer

We include the effect of evaporation in our evolutionary calculations of close-in giant planets, based on a recent model for thermal evaporation taking into account the XUV flux of the parent star (Lammer et al. 2003). Our analysis leads to the existence of a critical mass for a given orbital distance mcrit(a) below which the evaporation timescale becomes shorter than the thermal timescale of t...

2013
Taina Yli-Juuti Alessandro A. Zardini Axel C. Eriksson Anne Maria K. Hansen Joakim H. Pagels Erik Swietlicki Birgitta Svenningsson Marianne Glasius Douglas R. Worsnop Ilona Riipinen Merete Bilde

Condensation and evaporation modify the properties and effects of atmospheric aerosol particles. We studied the evaporation of aqueous succinic acid and succinic acid/ammonium sulfate droplets to obtain insights on the effect of ammonium sulfate on the gas/particle partitioning of atmospheric organic acids. Droplet evaporation in a laminar flow tube was measured in a Tandem Differential Mobilit...

2000
Kevin Leung

Capillary evaporation (cavitation) has been suggested to be a possible source of long range interactions between mesoscopic hydrophobic surfaces. While evaporation is predicted by thermodynamics, little is known about its kinetics. Glauber dynamics Monte Carlo simulations of a lattice gas close to liquid-gas coexistence and confined between partially drying surfaces are used to model the effect...

2012
Jan Schümann

An investigation of the color evaporation model is presented. The color evaporation model describes the production of J ψ mesons. The numerical FMNR program is used to calculate the next to leading order J ψ production cross sections as predicted by the color evaporation model. Cross sections are calculated as functions of pT , Wγp and z. In addition the p 2 T distribution was investigated in f...

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