Academic literature on the topic 'Evaporative flux'

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Journal articles on the topic "Evaporative flux"

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Gelderblom, Hanneke, Oscar Bloemen, and Jacco H. Snoeijer. "Stokes flow near the contact line of an evaporating drop." Journal of Fluid Mechanics 709 (August 31, 2012): 69–84. http://dx.doi.org/10.1017/jfm.2012.321.

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AbstractThe evaporation of sessile drops in quiescent air is usually governed by vapour diffusion. For contact angles below $9{0}^{\ensuremath{\circ} } $, the evaporative flux from the droplet tends to diverge in the vicinity of the contact line. Therefore, the description of the flow inside an evaporating drop has remained a challenge. Here, we focus on the asymptotic behaviour near the pinned contact line, by analytically solving the Stokes equations in a wedge geometry of arbitrary contact angle. The flow field is described by similarity solutions, with exponents that match the singular bou
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Anderson, Bruce T., Alex C. Ruane, John O. Roads, and Masao Kanamitsu. "Estimating the Influence of Evaporation and Moisture-Flux Convergence upon Seasonal Precipitation Rates. Part II: An Analysis for North America Based upon the NCEP–DOE Reanalysis II Model." Journal of Hydrometeorology 10, no. 4 (2009): 893–911. http://dx.doi.org/10.1175/2009jhm1063.1.

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Abstract In this paper, a diagnostic metric—termed the local-convergence ratio—is used to analyze the contribution of evaporation and atmospheric moisture-flux convergence to model-based estimates of climatological precipitation over the North American continent. Generally, the fractional evaporative contribution is largest during spring and summer when evaporation is largest and decreases as evaporation decreases. However, there appears to be at least three regions with distinct spatiotemporal seasonal evolutions of this ratio. Over both the northern and western portions of the continent, the
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Rassam, Daud W., and David J. Williams. "A numerical study of steady state evaporative conditions applied to mine tailings." Canadian Geotechnical Journal 36, no. 4 (1999): 640–50. http://dx.doi.org/10.1139/t99-030.

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The suction profile of a desiccating soil is dependent on the water table depth, the soil-water retention characteristics, and the climatic conditions. In this paper, an unsaturated flow model, which simulates both liquid and vapour flow, was used to investigate the effects of varying the water table depth and the evaporation rate on the evaporative fluxes from a desiccating tailings deposit under steady-state conditions. Results obtained showed that at a critical evaporation rate, beyond which evaporation is no longer dictated by climatic conditions, the matric suction profiles remain basical
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Harris, Daniel J., Jacinta C. Conrad, and Jennifer A. Lewis. "Evaporative lithographic patterning of binary colloidal films." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 367, no. 1909 (2009): 5157–65. http://dx.doi.org/10.1098/rsta.2009.0157.

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Evaporative lithography offers a promising new route for patterning a broad array of soft materials. In this approach, a mask is placed above a drying film to create regions of free and hindered evaporation, which drive fluid convection and entrained particles to regions of highest evaporative flux. We show that binary colloidal films exhibit remarkable pattern formation when subjected to a periodic evaporative landscape during drying.
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Anderson, Bruce T., Guido Salvucci, Alex C. Ruane, John O. Roads, and Masao Kanamitsu. "A New Metric for Estimating the Influence of Evaporation on Seasonal Precipitation Rates." Journal of Hydrometeorology 9, no. 3 (2008): 576–88. http://dx.doi.org/10.1175/2007jhm968.1.

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Abstract The objective of this paper is to introduce a diagnostic metric—termed the local-convergence ratio—that can be used to quantify the contribution of evaporation (and transpiration) to the atmospheric hydrologic cycle, and precipitation in particular, over a given region. Previous research into regional moisture (or precipitation) recycling has produced numerous methods for estimating the contributions of “local” (i.e., evaporated) moisture to climatological precipitation and its variations. In general, these metrics quantify the evaporative contribution to the mass of precipitable wate
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Suchan, Jared, and Shahid Azam. "Datasets for the Determination of Evaporative Flux from Distilled Water and Saturated Brine Using Bench-Scale Atmospheric Simulators." Data 7, no. 1 (2021): 1. http://dx.doi.org/10.3390/data7010001.

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Evaporation from fresh water and saline water is critical for the estimation of water budget in the Canadian Prairies. Predictive models using empirical field-based data are subject to significant errors and uncertainty. Therefore, highly controlled test conditions and accurately measured experimental data are required to understand the relationship between atmospheric variables at water surfaces. This paper provides a comprehensive dataset generated for the determination of evaporative flux from distilled water and saturated brine using the bench-scale atmospheric simulator (BAS) and the subs
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DasGupta, S., I. Y. Kim, and P. C. Wayner. "Use of the Kelvin-Clapeyron Equation to Model an Evaporating Curved Microfilm." Journal of Heat Transfer 116, no. 4 (1994): 1007–15. http://dx.doi.org/10.1115/1.2911436.

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A Kelvin–Clapeyron change-of-phase heat transfer model is used to evaluate experimental data for an evaporating meniscus. The details of the evaporating process near the contact line are obtained. The heat flux and the heat transfer coefficient are a function of the film thickness profile, which is a measure of both the intermolecular stress field in the contact line region and the resistance to conduction. The results indicate that a stationary meniscus with a high evaporative flux is possible. At equilibrium, the augmented Young–Laplace equation accurately predicts the meniscus slope. The in
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Panwar, Annu, Maik Renner, and Axel Kleidon. "Imprints of evaporative conditions and vegetation type in diurnal temperature variations." Hydrology and Earth System Sciences 24, no. 10 (2020): 4923–42. http://dx.doi.org/10.5194/hess-24-4923-2020.

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Abstract. Diurnal temperature variations are strongly shaped by the absorption of solar radiation, but evaporation, or the latent heat flux, also plays an important role. Generally, evaporation cools. Its relation to diurnal temperature variations, however, is unclear. This study investigates the diurnal response of surface and air temperatures to evaporative conditions for different vegetation types. We use the warming rate, defined as the increase in temperature in response to absorbed solar radiation in the morning, and evaluate how it changes with evaporative fraction, which is an indicato
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Suchan, Jared, and Shahid Azam. "Influence of Desaturation and Shrinkage on Evaporative Flux from Soils." Geotechnics 2, no. 2 (2022): 412–26. http://dx.doi.org/10.3390/geotechnics2020019.

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An assessment of evaporation losses from soils is critical for sustainable agriculture in semi-arid regions. The purpose of this research was to determine the effect of desaturation and shrinkage on evaporative flux from representative soils. Results indicated that the surface area did not change for silty sand (6% volume reduction) and substantially increased for lean clay (17% volume reduction). The evaporative flux for silty sand decreased from 31 to 25 mg/m2∙s in Stage II, remained constant during Stage III, and decreased to 11 mg/m2∙s in Stage IV. In contrast, the lean clay showed a longe
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Xu, Longfei, and Xuefeng Xu. "A Computational Investigation of the “Equivalent Substrates” in the Evaporation of Sessile Droplets." Applied Sciences 15, no. 11 (2025): 6083. https://doi.org/10.3390/app15116083.

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This paper investigates the coupled relationship between solid-phase temperature fields and droplet evaporation, focusing on the effects of substrate thermal conduction properties on droplet evaporation behavior. A mathematical model is developed to analyze the impacts of substrate thermal conductivity, thickness, and lower-surface temperature on evaporation rate, surface temperature, and evaporation flux. A dimensionless relative evaporation rate (HCs) is introduced to characterize the influence of substrate thermal conduction. Results show that increasing substrate thermal conductivity enhan
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Dissertations / Theses on the topic "Evaporative flux"

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Sircar, Jay D. "Fabrication of a nanoporous membrane device for high heat flux evaporative cooling." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111931.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 60-63).<br>We investigated the experimental performance of a nanoporous membrane for ultra-high heat flux dissipation from high performance integrated circuits. The biporous evaporation device utilizes thermally-connected, mechanically-supported, high capillarity membranes that maximize thin film evaporation and high permeability liquid supply channels that allow for lower viscous pressure losses. The 600 nm thic
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Dokmak, Akaber. "Investigating the effect of an electric field on the properties and kinetics of a drying pendant droplet : A new experimental approach." Electronic Thesis or Diss., Ecole nationale des Mines d'Albi-Carmaux, 2025. http://www.theses.fr/2025EMAC0001.

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Le séchage assisté par champ électrique est une technique prometteuse pour la manipulation des produits thermosensibles, mais son étude à l'échelle de la goutte reste limitée en raison du manque de dispositifs expérimentaux adaptés. Cette étude présente un dispositif permettant d'analyser la déformation et le séchage de gouttes pendantes électriquement chargées de CuSO4.5H4O sous un champ électrique (0-800 kV/m) et à différentes concentrations en solides (0-25 % wt/wt). Les résultats montrent une réduction de la tension interfaciale pouvant atteindre 42 % avec l'intensité du champ. L'expansion
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Narayanan, Shankar. "Gas assisted thin-film evaporation from confined spaces." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42780.

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A novel cooling mechanism based on evaporation of thin liquid films is presented for thermal management of confined heat sources, such as microprocessor hotspots. The underlying idea involves utilization of thin nanoporous membranes for maintaining microscopically thin liquid films by capillary action, while providing a pathway for the vapor generated due to evaporation at the liquid-vapor interface. The vapor generated by evaporation is continuously removed by using a dry sweeping gas keeping the membrane outlet dry. This thesis presents a detailed theoretical, computational and experimental
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Persson, Tony. "Evaporation and Heat-flux Aggregation in Heterogeneous Boreal Landscapes." Doctoral thesis, Uppsala University, Department of Earth Sciences, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4326.

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<p>The boreal forests represent 8 % of all forested areas on the earth and have a significant role in the control of greenhouse gases and an impact on global climate change. The main objective of this thesis is to increase the understanding of how evaporation and heat-flux processes in the boreal forest zone are affecting the regional and global climate.</p><p>A meteorological mesoscale model with an advanced land-surface parameterization has been utilized to study aggregation of fluxes of water vapour and heat. The model has been compared against four other methods for flux estimation in a so
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Janecek, Vladislav. "Evaporation à l'échelle microscopique et à haut flux thermique." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00782517.

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Cette thèse étudie théoriquement les processus de transport au voisinage de la ligne triple de contact liquide-gaz-solide et leur impact sur l'évaporation macroscopique. Dans la première partie de la thèse, l'hydrodynamique au voisinage de la ligne de contact est étudiée sous les conditions de mouillage partiel. L'évaporation induite par le chauffage du substrat dans l'atmosphère de vapeur du même fluide est considérée. La relaxation de la singularité hydrodynamique de la ligne triple est considérée. La principale conclusion de la thèse est que l'effet Kelvin (dépendance de la température de s
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Janeček, Valdislav. "Evaporation à l'échelle microscopique et à haut flux thermique." Paris 6, 2012. http://www.theses.fr/2012PA066512.

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Cette thèse étudie théoriquement les processus de transport au voisinage de la ligne triple de contact liquide-gaz-solide et leur impact sur l'évaporation macroscopique. Dans la première partie de la thèse, l'hydrodynamique au voisinage de la ligne de contact est étudiée sous les conditions de mouillage partiel. L'évaporation induite par le chauffage du substrat dans l'atmosphère de vapeur du même fluide est considérée. La relaxation de la singularité hydrodynamique de la ligne triple est considérée. La principale conclusion de la thèse est que l'effet Kelvin (dépendance de la température de s
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Brashers, Bart A. "Oceanic latent heat flux from satellite data /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/10045.

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Hanks, Daniel Frank. "Evaporation from nanoporous membranes for high heat flux thermal management." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/110889.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 119-123).<br>Heat dissipation is a critical limitation in a range of electronic devices including microprocessors, solar cells, laser diodes and power amplifiers. The most demanding devices require dissipation of heat fluxes in excess of 1 kW/cm2 with heat transfer coefficients more than 30 W/cm 2K. Advanced thermal management solutions using phase change heat transfer are the most promising approach to address
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LUZEAU, PIERRE. "Depot et caracterisation de films supraconducteurs bisrcacuo par co-evaporation et modulation des flux." Paris 11, 1990. http://www.theses.fr/1990PA112204.

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La methode de co-evaporation dans des conditions d'ultravide s'avere la mieux adaptee au depot de couches tres minces. Elles est employee ici pour la fabrication d'oxydes supraconducteurs a haute temperature critique du type (bio)#2sr#2ca#n##1cu#no#2#(#n#+#1#) qui ont des specificites structurales comme par exemple leur caractere lamellaire et la versatilite de leurs structures. Les films minces de ces oxydes ont des applications en electronique et en instrumentation (interconnections, squid, composants hyperfrequence, circuits logiques. . . ). Apres une presentation des oxydes supraconducteur
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Bou-Zeid, Wassim. "Wettability and evaporation of sessile drops of biological fluids." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4348/document.

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Le processus d'étalement et d'évaporation d'une goutte de suspensions de particules sur une surface solide est très intéressant permettant la formation de motifs. Une étude expérimentale à été effectuée avec du sang total humain et avec des fluides purs dans une chambre sous atmosphère contrôlée en humidité relative. Pour des angles de contact faible, le processus d'étalement/évaporation peut être divisé en deux régimes. Un premier régime rapide gouverné par un équilibre entre les forces visqueuses et les forces capillaires et un deuxième régime plus lent dominé par la cinétique d'évaporation.
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Books on the topic "Evaporative flux"

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Ltd, Canviro Consultants. An evaluation of flue gas desulphurization wastewater treatment by mechanical evaporation. Canviro Consultants Ltd, 1985.

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D, DasGupta, Wayne P. C, and United States. National Aeronautics and Space Administration., eds. An augmented Young-Laplace model of an evaporating meniscus in a micro-channel with high heat flux. National Aeronautics and Space Administration, 1993.

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1963-, Stephens Craig A., and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Predicted thermal response of a cryogenic fuel tank exposed to simulated aerodynamic heating profiles with different cryogens and fill levels. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

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Katul, Gabriel. Collection and analysis of evaporative flux data for various climates. 1990.

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Book chapters on the topic "Evaporative flux"

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Nathanson, Gilbert M. "When Liquid Rays Become Gas Rays: Can Evaporation Ever Be Non-Maxwellian?" In Molecular Beams in Physics and Chemistry. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63963-1_27.

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AbstractA rare mistake by Otto Stern led to a confusion between density and flux in his first measurement of a Maxwellian speed distribution. This error reveals the key role of speed itself in Stern’s development of “the method of molecular rays”. What if the gas-phase speed distributions are not Maxwellian to begin with? The molecular beam technique so beautifully advanced by Stern can also be used to explore the speed distribution of gases evaporating from liquid microjets, a tool developed by Manfred Faubel. We employ liquid water and alkane microjets containing dissolved helium atoms to mo
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Abtew, Wossenu, and Assefa Melesse. "Spatially Distributed Surface Energy Flux Modeling." In Evaporation and Evapotranspiration. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4737-1_10.

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Desjardins, R. L., and J. I. MacPherson. "Water Vapor Flux Measurements from Aircraft." In Land Surface Evaporation. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3032-8_14.

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Abtew, Wossenu, and Assefa Melesse. "Crop Yield Estimation Using Remote Sensing and Surface Energy Flux Model." In Evaporation and Evapotranspiration. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4737-1_11.

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Liu, W. Timothy, and Xiaosu Xie. "Ocean-Atmosphere Water Flux and Evaporation." In Encyclopedia of Remote Sensing. Springer New York, 2014. http://dx.doi.org/10.1007/978-0-387-36699-9_122.

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Grossman, Robert L. "Temporal Variation of Heat and Moisture Flux Within the Atmospheric Boundary Layer over a Grassland." In Land Surface Evaporation. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3032-8_16.

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Gholijani, Alireza, Sebastian Fischer, Tatiana Gambaryan-Roisman, and Peter Stephan. "High Resolution Measurements of Heat Transfer During Drop Impingement onto a Heated Wall." In Fluid Mechanics and Its Applications. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09008-0_15.

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AbstractDrop impact on a hot surface heated above the saturation temperature of the fluid plays an important role in spray cooling. The heat transferred from the wall to the fluid is closely interrelated with drop hydrodynamics. If the surface temperature is below the Leidenfrost temperature, the heat transport strongly depends on the transport phenomena in the vicinity of the three-phase contact line. Due to extremely high local heat flux, a significant fraction of the total heat flow is transported through this region. The local transport processes near the three-phase contact line, and, the
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Heinen, Matthias, Simon Homes, Gabriela Guevara-Carrion, and Jadran Vrabec. "Mass Transport Across Droplet Interfaces by Atomistic Simulations." In Fluid Mechanics and Its Applications. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09008-0_13.

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AbstractDue to availability of powerful computers and efficient algorithms, physical processes occurring at the micrometer scale can nowadays be studied with atomistic simulations. In the framework of the collaborative research center SFB-TRR75 “Droplet dynamics under extreme ambient conditions”, investigations of the mass transport across vapour-liquid interfaces are conducted. Non-equilibrium molecular dynamics simulation is employed to study single- and two-phase shock tube scenarios for a simple noble gas-like fluid. The generated data show an excellent agreement with computational fluid d
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Webb, Peter I. "The comparative ecophysiology of water balance in microchiropteran bats." In Ecology, Evolution and Behaviour of Bats. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198549451.003.0013.

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Abstract Aspects of water balance were studied in the three species of bat commonly found in north-east Scotland: Plecotus auritus, Myotis daubentonii and Pipistrellus pipistrellus. One of these species (M. daubentonii) has a close association with open water in the wild, while one (P. pipistrellus) has a much lower mean body mass (c. 6 g) than the other two (c. 10 g). Faecal water content and maximum urine-concentrating ability were not significantly different between P. auritus and M. daubentonii. However, urine loss was higher (by c. 140 µI/day) and resting evaporative water loss lower (als
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Choy, Bruce, and Danny D. Reible. "Constant flux liquid evaporation." In Diffusion Models of Environmental Transport. CRC Press, 2017. http://dx.doi.org/10.1201/9781315141282-10.

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Conference papers on the topic "Evaporative flux"

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Tilton, Donald E., Jay H. Ambrose, and Louis C. Chow. "Closed-System, High-Flux Evaporative Spray Cooling." In Aerospace Technology Conference and Exposition. SAE International, 1989. http://dx.doi.org/10.4271/892316.

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Nazari, Masoumeh, Matt Gorman, and Hadi Ghasemi. "Unprecedented Capillary Evaporative Heat Flux in Nanochannels." In 2019 18th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm). IEEE, 2019. http://dx.doi.org/10.1109/itherm.2019.8757337.

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PAIS, M., D. TILTON, L. CHOW, and E. MAHEFKEY. "High-heat-flux, low-superheat evaporative spray cooling." In 27th Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-241.

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Lee, Hee Joon, and Shi-Chune Yao. "System Instability of Evaporative Micro-Channels." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88217.

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During the operation of parallel evaporative micro-channels, system instability may occur in terms of cyclical fluctuations at a long period. This is due to the co-existence of the liquid phase flow at high mass flux and the two-phase flow at a lower mass flux among different parallel channels under the same total pressure drop. For a system at constant flow-rate pumping, with a pressure regulating tank, and a constant heating pre-heater, the system may experience severe alternations between these two states of boiling and non-boiling with a period of minutes. This cyclical system instability
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Pillutla, Srikrishna, and Wonjae Choi. "Oscillating Bubbles on a Hot Surface." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88366.

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This presentation describes a nonlinear dynamics of bubbles forming on a hot surface. In particular, we compare the behavior of bubbles in three regimes — evaporative, nucleate boiling, and film boiling regimes. A bubble appears on a hot surface when the heat flux from the surface is high enough to overcome the Laplace pressure across the surface of the bubble. Once a bubble nucleates on a surface, one might expect that the subsequent evaporation of the liquid phase would make the bubble expand monotonically until it leaves the surface. In real, nucleating bubbles expand monotonically only in
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Bhardwaj, Rajneesh, and Daniel Attinger. "A Numerical Model for the Evaporation of a Nanoliter Droplet on a Solid, Heated Substrate." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43088.

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A finite-element numerical model is developed to study the evaporation of a sessile nanoliter droplet on a flat substrate in the isothermal and non-isothermal case. All equations are expressed in a Lagrangian framework, which provides accurate modeling of the free surface motion and the associated Laplace stresses. The evaporative flux at the free surface is defined as a function of the drop geometry and thermodynamic conditions. The boundary conditions at free surface are the mass and energy jump conditions. Results for fluid dynamics, evaporation time and evaporative flux are described for s
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Burkhart, Collin T., Kara L. Maki, and Michael J. Schertzer. "Observation of Contact Line Dynamics in Evaporating Droplets Under the Influence of Electric Fields." In ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icnmm2016-7988.

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Deposition of colloidal material in evaporating droplets is important in many applications including DNA sequencing and medical diagnostic testing. When colloidal droplets evaporate, the majority of material is often deposited at the periphery of the resultant deposition in a coffee-ring pattern. Formation of this pattern is the result of contact line pinning and the interplay between evaporative and surface tension effects in the droplet. When the contact line is pinned and the evaporative flux in the droplet is highest at the periphery, a radially outward flow is generated to conserve mass t
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Wayner, Peter C. "Effects of Interfacial Phenomena and Conduction on an Evaporating Meniscus." In ASME 2007 5th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2007. http://dx.doi.org/10.1115/icnmm2007-30021.

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An overview of some of the theoretical models describing the effects of chemical potential, excess free energy, free energy gradient, film thickness profile, temperature profile, superheat, thermal conduction, concentration gradient, velocity profile, slip velocity, apparent contact angle, and kinetic theory on the phase change heat transfer processes in an evaporating meniscus are presented. The relative importance of the parameters is demonstrated. Experimental techniques and confirming experimental data are also presented. In essence, the microscopic thickness profile of the evaporating men
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"Development and evaluation of global land surface evaporative flux records." In 21st International Congress on Modelling and Simulation (MODSIM2015). Modelling and Simulation Society of Australia and New Zealand, 2015. http://dx.doi.org/10.36334/modsim.2015.l9.mccabe.

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Jeong, Siyoung, Eunsang Cho, and Hark-koo Kim. "Evaporative Heat Transfer and Pressure Drop of CO2 in a Microchannel Tube." In ASME 3rd International Conference on Microchannels and Minichannels. ASMEDC, 2005. http://dx.doi.org/10.1115/icmm2005-75180.

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Evaporation heat transfer and pressure drop characteristics of carbon dioxide were investigated in a multi-channel micro tube. The aluminum tube has 3 square channels with a hydraulic diameter of 2mm, a wall thickness of 1.5mm, and a length of 5m. The tube was heated directly by electric current. Experiments were conducted at heat fluxes ranging 4–16 kW/m2, mass fluxes from 150 to 750 kg/m2s, evaporative temperature from 0 to 10°C, and qualities from 0 to superheated state. The heat transfer coefficient measured was in the range of 6–15kW/m2K, and the pressure drop was 3–23kPa/m. For the quali
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Reports on the topic "Evaporative flux"

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Wang, Evelyn N. Nanoengineered Surfaces for High Flux Thin Film Evaporation. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada583176.

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2

Seginer, Ido, Daniel H. Willits, Michael Raviv, and Mary M. Peet. Transpirational Cooling of Greenhouse Crops. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7573072.bard.

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Abstract:
Background Transplanting vegetable seedlings to final spacing in the greenhouse is common practice. At the time of transplanting, the transpiring leaf area is a small fraction of the ground area and its cooling effect is rather limited. A preliminary modeling study suggested that if water supply from root to canopy is not limiting, a sparse crop could maintain about the same canopy temperature as a mature crop, at the expense of a considerably higher transpiration flux per leaf (and root) area. The objectives of this project were (1) to test the predictions of the model, (2) to select suitable
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3

Cohen, Shabtai, Melvin Tyree, Amos Naor, Alan N. Lakso, Terence L. Robinson, and Yehezkiel Cohen. Influence of hydraulic properties of rootstocks and the rootstock-scion graft on water use and productivity of apple trees. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7587219.bard.

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This one year exploratory project investigated hydraulic architecture of apple dwarfing rootstocks. The hypothesis was that hydraulic conductance is correlated with rootstock vigor. A previous study of trees on three rootstocks in Israel showed that dwarfed trees used less water than un-dwarfed trees. Analysis showed that if the tree maintains leaf water potentials above minimum values, then this implies that the dwarfed trees have lower leaf conductance, which may also be the cause of dwarfing. The current project studied small 2-year old unworked rootstock trees, and full sized trees bearing
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