Relevant bibliographies by topics / Vertical flux

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Vertical flux'

Author: Grafiati
Published: 10 September 2021
Last updated: 18 February 2022

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Journal articles on the topic "Vertical flux"

1

Lane, Todd P., and Jason C. Knievel. "Some Effects of Model Resolution on Simulated Gravity Waves Generated by Deep, Mesoscale Convection." Journal of the Atmospheric Sciences 62, no. 9 (2005): 3408–19. http://dx.doi.org/10.1175/jas3513.1.

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Abstract Over the past decade, numerous numerical modeling studies have shown that deep convective clouds can produce gravity waves that induce a significant vertical flux of horizontal momentum. Such studies used models with horizontal grid spacings of O(1 km) and produced strong gravity waves with horizontal wavelengths greater than about 20 km. This paper is an examination of how simulated gravity waves and their momentum flux are sensitive to model resolution. It is shown that increases in horizontal resolution produce more power in waves with shorter horizontal wavelengths. This change in
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Potvin, G., and R. R. Rogers. "Measuring Vertical Heat Flux with RASS." Meteorology and Atmospheric Physics 71, no. 1-2 (1999): 91–103. http://dx.doi.org/10.1007/s007030050047.

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Hays, GC, RP Harris, and RN Head. "The vertical nitrogen flux caused by zooplankton diel vertical migration." Marine Ecology Progress Series 160 (1997): 57–62. http://dx.doi.org/10.3354/meps160057.

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Vosper, Simon B., and Andrew N. Ross. "Sampling Errors in Observed Gravity Wave Momentum Fluxes from Vertical and Tilted Profiles." Atmosphere 11, no. 1 (2020): 57. http://dx.doi.org/10.3390/atmos11010057.

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Observations from radiosondes or from vertically pointing remote sensing profilers are often used to estimate the vertical flux of momentum due to gravity waves. For planar, monochromatic waves, these vertically integrated fluxes are equal to the phase averaged flux and equivalent to the horizontal averaging used to deduce momentum flux from aircraft data or in numerical models. Using a simple analytical solution for two-dimensional hydrostatic gravity waves over an isolated ridge, it is shown that this equivalence does not hold for mountain waves. For a vertical profile, the vertically integr
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Romero, José R., Robert Jellison, and John M. Melack. "Stratification, vertical mixing, and upward ammonium flux in hypersaline Mono Lake, California." Fundamental and Applied Limnology 142, no. 3 (1998): 283–315. http://dx.doi.org/10.1127/archiv-hydrobiol/142/1998/283.

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Sebok, Eva, and Sascha Müller. "The effect of sediment thermal conductivity on vertical groundwater flux estimates." Hydrology and Earth System Sciences 23, no. 8 (2019): 3305–17. http://dx.doi.org/10.5194/hess-23-3305-2019.

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Abstract. Vertical sediment temperature profiles are frequently used to estimate vertical fluid fluxes. In these applications using heat as a tracer of groundwater flow, the thermal conductivity of saturated sediments (ke) is often given as a standard literature value and assumed to have a homogeneous distribution in the vertical space. In this study vertical sediment temperature profiles were collected in both a high-flux stream and a low-flux lagoon environment in sand- and peat-covered areas. ke was measured at the location of each temperature profile at several depths below the sediment–wa
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P. Chandrakala, P. Chandrakala. "Study on Flow Past an Exponentially Accelerated Vertical Plate with Uniform Heat Flux." International Journal of Scientific Research 2, no. 8 (2012): 307–9. http://dx.doi.org/10.15373/22778179/aug2013/99.

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Prabhakaran Nayar, S. R., and S. Sreeletha. "Momentum flux associated with gravity waves in the low-latitude troposphere." Annales Geophysicae 21, no. 5 (2003): 1183–95. http://dx.doi.org/10.5194/angeo-21-1183-2003.

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Abstract. The vertical fluxes of horizontal momentum at tropospheric heights are calculated for four days, 25–28 August 1999. The mean zonal wind during these days show the presence of strong westward wind at the upper troposphere. Both the symmetric beam radar method and the power spectral method of evaluation of vertical flux of zonal and meridional momentum shows nearly the same result for quiet conditions. The temporal evolution of the momentum flux is estimated for a day with strong zonal shear and convection. These results indicate that on 28 August 1999, the strong downward vertical win
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Ni, J. R., Z. S. Li, and C. Mendoza. "Vertical profiles of aeolian sand mass flux." Geomorphology 49, no. 3-4 (2003): 205–18. http://dx.doi.org/10.1016/s0169-555x(02)00169-1.

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Packard, Theodore T., and May Gómez. "Modeling vertical carbon flux from zooplankton respiration." Progress in Oceanography 110 (March 2013): 59–68. http://dx.doi.org/10.1016/j.pocean.2013.01.003.

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Dissertations / Theses on the topic "Vertical flux"

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Furst, Jonathan Joseph. "An Investigation of Vertical Turbulent Transport Processes in Coastal Regions Using Tower Observations." FIU Digital Commons, 2013. http://digitalcommons.fiu.edu/etd/814.

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High-resolution tower observations of turbulent transport processes in the coastal atmospheric surface layer show that the exchange coefficients for momentum, enthalpy, and moisture behave differently for different environmental and atmospheric conditions. The drag coefficient is closely tied to wind speed and turbulent intensity. The exchange coefficient for enthalpy shows a dependence on stability. Analysis of the turbulent kinetic energy budget yields a new parameterization framework that well explains the observed variation of the drag coefficient, particularly at low wind speeds.
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Felippe, Monica Tais Siqueira D'Amelio. "Estudo de fluxo de óxido nitroso (N2O) regional na Bacia Amazônica." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-12082011-145420/.

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O óxido nitroso (N2O) é o terceiro mais importante gás de efeito estufa. Globalmente, a maior fonte de N2O são os processos de nitrificação e desnitrificação no solo. Cerca de dois terços da emissão do solo ocorrem nos trópicos e aproximadamente 20% são originados nos ecossistemas de florestas tropicais úmidas, como a Floresta Amazônica. O presente estudo envolveu a realização de medidas de perfis verticais de N2O utilizando aviões de pequeno porte desde a superfície até cerca de 4 km sobre duas florestas da região leste e central da Amazônia: Flona Tapajós (2000-2009) e Rebio Cuieiras (2004-2
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Jones, Richard Leslie. "Bifurcation study for a vertical channel with constant flux and large aspect ratio." Thesis, Aston University, 2012. http://publications.aston.ac.uk/23247/.

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Using suitable coupled Navier-Stokes Equations for an incompressible Newtonian fluid we investigate the linear and non-linear steady state solutions for both a homogeneously and a laterally heated fluid with finite Prandtl Number (Pr=7) in the vertical orientation of the channel. Both models are studied within the Large Aspect Ratio narrow-gap and under constant flux conditions with the channel closed. We use direct numerics to identify the linear stability criterion in parametric terms as a function of Grashof Number (Gr) and streamwise infinitesimal perturbation wavenumber (making use of the
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Wong, Wai-Chuen. "Effect of tube diameter on critical heat flux in vertical steam-water flow." Thesis, University of Ottawa (Canada), 1997. http://hdl.handle.net/10393/4295.

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The effect of tube diameter on critical heat flux (CHF) has been examined by (1) analyzing existing experimental data, (2) reviewing existing correlations and semi-analytical models, and (3) obtaining CHF measurements in two vertical tubes of different diameters. Based on constant local flow conditions, the parametric trend of available CHF data shows generally a decreasing CHF with increasing tube diameter. Due to the large data scatter (inherent uncertainty within different sets of data), a definite conclusion cannot be drawn. The observations indicated that the tube-diameter effect on CHF i
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Mercier, Guillaume. "Modélisation de parcs d'hydroliennes à flux transverse avec une méthode d'équivalence." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENI061/document.

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L'exploitation de l'énergie cinétique des courants marins ou fluviaux est une source d'énergie prometteuse et renouvelable. Les performances hydrodynamiques des hydroliennes sont à ce jour bien connues et l'attention se porte sur la compréhension des phénomènes de parc et l'interaction entre machines. Ce document présente la construction d'un modèle simplifié (ou méthode d'équivalence) pour les turbines à axe de rotation vertical. Une étape préliminaire consiste à valider l'utilisation de la méthode de maillage rotatif proposée par Code_Saturne (solveur CFD open source). La simulation de la tu
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Rizzo, Luciana Varanda. "\"Os fluxos turbulentos de partículas e de compostos orgânicos voláteis, e a distribuição vertical de aerossóis na baixa troposfera da Amazônia\"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-28032007-165933/.

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A Amazônia constitui um ecossistema complexo, no qual a biosfera e a atmosfera estão intrinsecamente relacionadas. Às fontes biogênicas naturais somam-se emissões de queimadas, que alteram significativamente as características da população de aerossóis, e que afetam processos importantes no funcionamento do ecossistema. O presente trabalho integra observações de propriedades físicas de aerossóis na Amazônia sob diferentes condições: i) o transporte turbulento de partículas entre o dossel e a camada limite (experimento LBA/ZF2-2004); ii) a evolução de propriedades de aerossóis de queimada duran
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Azzi, Merched. "Etude des profils de flux de particules dans l'écoulement vertical établi d'une suspension gaz solide." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375956258.

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Azzi, Merched. "Étude des profils de flux de particules dans l'écoulement vertical établi d'une suspension gaz-solide." Compiègne, 1986. http://www.theses.fr/1986COMPD031.

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La structure de l’écoulement établi d’un mélange gaz-solide en mouvement vertical ascendant a été expérimentalement étudiée dans une colonne à lit fluidisé à recirculation de 144 mm de diamètre intérieur et de 8 m de haut. Le solide utilisé est du catalyseur de cracking de 57um véhiculé par l’air atmosphérique. La colonne est alimentée en solide par l’intermédiaire d’une vanne en L. Les vitesses superficielles d’air ont été variées de 2 m/s jusqu’à 6 m/s, avec des concentrations volumiques qui atteignent 12%. Une sonde et une méthode de prélèvement ont été mises au point pour déterminer les pr
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Kang, Yong Tae. "Experimental investigation of critical heat flux in transient boiling systems with vertical thin rectangular parallel plate channels /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1244826053.

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Guillaud, Nathanaël. "Simulation et optimisation de forme d'hydroliennes à flux transverse." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI061.

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Dans le cadre de la production d'électricité par énergie renouvelable, cette thèse a pour objectif de contribuer à l'amélioration des performances hydrodynamiques des hydroliennes à flux transverse conçues par HydroQuest. Pour y parvenir, deux axes d'étude principaux sont proposés. Le premier consiste à améliorer la compréhension de la performance de l'hydrolienne et de l'écoulement en son sein par voie numérique. L'influence du paramètre d'avance ainsi que celle de la solidité de l'hydrolienne sont étudiées. Les écoulements mis en jeux étant complexes, une méthode de type Simulation des Grang
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Books on the topic "Vertical flux"

1

Shao, Yaping. Subsynoptic vertical momentum flux in the atmosphere over Europe. Dümmler, 1986.

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Bartolino, James R. Numerical simulation of vertical ground-water flux of the Rio Grande from ground-water temperature profiles, central New Mexico. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Bartolino, James R. Numerical simulation of vertical ground-water flux of the Rio Grande from ground-water temperature profiles, Central New Mexico. U.S. Geological Survey, Branch of Information Services [distributor], 1999.

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Siegrist, Franziska C. Determination of energy and trace gas fluxes on a regional scale: Combination of local surface flux measurements and vertical flux profiles throughout the atmospheric boundary layer in complex terrain (Swiss Seeland Region). Institute of Geographiy, 2001.

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A Parametric investigation of critical heat flux in a vertical forced convective channel. Institute of Nuclear Energy Research, 1986.

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Leonhard, Pfister, and United States. National Aeronautics and Space Administration., eds. Gravity wave momentum flux in the lower stratosphere over convection. National Aeronautics and Space Administration, 1995.

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Aktan, Gülçin. Fully developed laminar natural convection in a vertical parallel-plate duct with constant wall heat flux. 1996.

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Geological Survey (U.S.), ed. Numerical Simulation of Vertical Ground-Water Flux of the Rio Grande from Ground-Water Temperature Profiles, Central New Mexico, U.S. Geological Survey, Water-Resources Investigations Report 99-4212, etc., 1999. s.n., 1999.

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Geological Survey (U.S.), ed. Numerical Simulation of Vertical Ground-Water Flux of the Rio Grande from Ground-Water Temperature Profiles, Central New Mexico, U.S. Geological Survey, Water-Resources Investigations Report 99-4212, etc., 1999. s.n., 1999.

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Wakefield, W. Waldo. Patterns in the distribution of demersal fishes on the upper continental slope off Central California with studies on the role of ontogenetic vertical migration in particle flux: By W. Waldo Wakefield II. 1990.

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Book chapters on the topic "Vertical flux"

1

Wassmann, P., K. Olli, C. Wexels Riser, and C. Svensen. "Ecosystem Function, Biodiversity and Vertical Flux Regulation in the Twilight Zone." In Marine Science Frontiers for Europe. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55862-7_19.

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Olaniyan, Olumide A., Vincent O. Ajayi, Kamoru A. Lawal, and Ugbah Paul Akeh. "Impact of Moisture Flux and Vertical Wind Shear on Forecasting Extreme Rainfall Events in Nigeria." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42091-8_98-1.

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AbstractThis chapter investigates extreme rainfall events that caused flood during summer months of June–September 2010–2014. The aim is to determine the impact of horizontal moisture flux divergence (HMFD) and vertical wind shear on forecasting extreme rainfall events over Nigeria. Wind divergence and convective available potential energy (CAPE) were also examined to ascertain their threshold values during the events. The data used include rainfall observation from 40 synoptic stations across Nigeria, reanalyzed datasets from ECMWF at 0.125° × 0.125° resolution and the Tropical Rainfall Measuring Mission (TRMM) dataset at resolution of 0.25° × 0.25°. The ECMWF datasets for the selected days were employed to derive the moisture flux divergence, wind shear, and wind convergence. The derived meteorological parameters and the CAPE were spatially analyzed and superimposed on the precipitation obtained from the satellite data. The mean moisture flux and CAPE for some northern Nigerian stations were also plotted for 3 days prior to and 3 days after the storm. The result showed that HMFD and CAPE increased few days before the storm and peak on the day of the storms, and then declined afterwards. HMFD values above 1.0 × 10−6 g kg−1 s−1 is capable of producing substantial amount of rainfall mostly above 50 mm while wind shear has a much weaker impact on higher rainfall amount than moisture availability. CAPE above 1000 Jkg−1 and 1500 Jk−1 are favorable for convection over the southern and northern Nigeria, respectively. The study recommends quantitative analysis of moisture flux as a valuable short-term severe storm predictor and should be considered in the prediction of extreme rainfall.
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Olaniyan, Olumide A., Vincent O. Ajayi, Kamoru A. Lawal, and Ugbah Paul Akeh. "Impact of Moisture Flux and Vertical Wind Shear on Forecasting Extreme Rainfall Events in Nigeria." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_98.

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AbstractThis chapter investigates extreme rainfall events that caused flood during summer months of June–September 2010–2014. The aim is to determine the impact of horizontal moisture flux divergence (HMFD) and vertical wind shear on forecasting extreme rainfall events over Nigeria. Wind divergence and convective available potential energy (CAPE) were also examined to ascertain their threshold values during the events. The data used include rainfall observation from 40 synoptic stations across Nigeria, reanalyzed datasets from ECMWF at 0.125° × 0.125° resolution and the Tropical Rainfall Measuring Mission (TRMM) dataset at resolution of 0.25° × 0.25°. The ECMWF datasets for the selected days were employed to derive the moisture flux divergence, wind shear, and wind convergence. The derived meteorological parameters and the CAPE were spatially analyzed and superimposed on the precipitation obtained from the satellite data. The mean moisture flux and CAPE for some northern Nigerian stations were also plotted for 3 days prior to and 3 days after the storm. The result showed that HMFD and CAPE increased few days before the storm and peak on the day of the storms, and then declined afterwards. HMFD values above 1.0 × 10−6 g kg−1 s−1 is capable of producing substantial amount of rainfall mostly above 50 mm while wind shear has a much weaker impact on higher rainfall amount than moisture availability. CAPE above 1000 Jkg−1 and 1500 Jk−1 are favorable for convection over the southern and northern Nigeria, respectively. The study recommends quantitative analysis of moisture flux as a valuable short-term severe storm predictor and should be considered in the prediction of extreme rainfall.
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Rosen, Marc A., and Seama Koohi-Fayegh. "Thermal Interactions of Vertical Ground Heat Exchangers for Varying Seasonal Heat Flux." In Progress in Sustainable Energy Technologies: Generating Renewable Energy. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07896-0_35.

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Smith, W. O., H. J. Niebauer, and V. L. Asper. "Coupling of Surface Layer Biological Processes and Vertical Flux in the Ross Sea." In Ross Sea Ecology. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59607-0_12.

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Peinert, Rolf, Eduard Bauerfeind, Rolf Gradinger, et al. "Biogenic Particle Sources and Vertical Flux Patterns in the Seasonally Ice-Covered Greenland Sea." In The Northern North Atlantic. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56876-3_5.

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Fontan, J., A. Lopez, E. Lamaud, and A. Druilhet. "Vertical Flux Measurements of the Submicronic Aerosol Particles and Parametrisation of the Dry Deposition Velocity." In Biosphere-Atmosphere Exchange of Pollutants and Trace Substances. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-662-03394-4_30.

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Valianatos, Orestis Denis, and Mihaela Caian. "Parameterization of the Vertical Transports Due to the Cumulus Convection Using a Mass-Flux Scheme." In Air Pollution Modeling and Its Application XIII. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4153-0_81.

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Chapman, R. C., Y. W. Chang, and T. H. K. Frederking. "Peak Heat Flux Density of Superfluid He II in Insulated Vertical Channels with Closed Ends and Wells." In Advances in Cryogenic Engineering. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4757-0513-3_35.

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Tian, Li, Wenhao Wang, Fuzhong Wu, and Zengxin Cai. "A study on entropy generation in laminar free convection flow along a vertical surface with uniform heat flux." In Advances in Energy Science and Equipment Engineering II. CRC Press, 2017. http://dx.doi.org/10.1201/9781315116167-32.

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Conference papers on the topic "Vertical flux"

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Shim, W. Jaewoo, and Ji-Su Lee. "CHF in Vertical Round Tubes With Uniform Heat Flux." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56301.

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In recent years it is well known that models based on the local condition hypothesis give significant correlations for the prediction of CHF (Critical Heat Flux), using only few local variables. In this work, a study was carried out to develop a generalized CHF correlation in vertical round tubes with uniform heat flux. For this analysis, a CHF database that composed of over 10,000 CHF data points, which were collected from 12 different sources, was used. The actual data used in the development of this correlation, after the elimination of some questionable data, consisted of 8,951 data points
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Antokhin, P. N., O. Y. Antokhina, and B. D. Belan. "Vertical ozone flux in background area of Tomsk region." In XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, edited by Gennadii G. Matvienko and Oleg A. Romanovskii. SPIE, 2016. http://dx.doi.org/10.1117/12.2249072.

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Bottini, Joseph L., Vineet Kumar, Sabrina Hammouti, David Ruzic, and Caleb S. Brooks. "CRITICAL HEAT FLUX ON LASER-TEXTURED SURFACE IN VERTICAL FLOW BOILING." In 3rd Thermal and Fluids Engineering Conference (TFEC). Begellhouse, 2018. http://dx.doi.org/10.1615/tfec2018.fmp.024250.

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Kim, Yun II, Won-Pil Baek, and Soon-Heung Chang. "CRITICAL HEAT FLUX FOR OSCILLATORY WATER FLOW IN VERTICAL ROUND TUBES." In International Heat Transfer Conference 11. Begellhouse, 1998. http://dx.doi.org/10.1615/ihtc11.2070.

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Clausse, A., M. de Bertodano, and K. Chetty. "1D Fixed Flux Two-Fluid Model For Vertical Adiabatic Slug Flow." In 2020 ANS Virtual Winter Meeting. AMNS, 2020. http://dx.doi.org/10.13182/t123-33046.

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Williams, Albert J., and Kurt L. Polzin. "Absolute acoustic travel-time measurements for deep-sea vertical heat flux estimates." In OCEANS 2017 - Aberdeen. IEEE, 2017. http://dx.doi.org/10.1109/oceanse.2017.8084566.

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Lauber, T. S., and A. U. Welch. "NATURAL CONVECTION HEAT TRANSFER BETWEEN VERTICAL FLAT PLATES WITH UNIFORM HEAT FLUX." In International Heat Transfer Conference 3. Begellhouse, 2019. http://dx.doi.org/10.1615/ihtc3.930.

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You, Qian, Ibrahim Hassan, and Lyes Kadem. "Experimental Investigation on Flow Instability in a Single Vertical Microtube." In ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/icnmm2015-48426.

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The experiments are conducted to study the flow boiling instability in a single microtube with 0.889 mm hydraulic diameter in vertical upward and downward flow directions (VU and VD). The subcooled dielectric liquid FC-72 is driven at mass fluxes varying from 700 to 1400 kg/m2·s, and the heat flux uniformly applied on the microtube surface is up to 9.6 W/cm2. The onsets of flow oscillations (OFIs) in both flow directions are observed. Their oscillation types and characteristics are presented as well. The effects of mass flux and heat flux on flow instability in vertical flow directions are dis
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Shim, W. Jaewoo, Joo-Yong Park, Ji-Su Lee, and Dong Kook Kim. "Critical Heat Flux in Tubes With Cosine Axial Heat Flux." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72504.

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In this study a method to predict CHF (Critical Heat Flux) in vertical round tubes with cosine heat flux distribution was examined. For this purpose a uniform correlation, based on local condition hypothesis, was developed from 9,366 CHF data points of uniform heat flux heaters. The CHF data points used were collected from 13 different sources had the following parameter ranges: 1.01 ≤ P (pressure) ≤ 206.79 bar, 9.92 ≤ G (mass flux) ≤ 18,619.39 kg/m2s, 0.00102 ≤ D (diameter) ≤ 0.04468 m, 0.0254 ≤ L (length) ≤ 4.966 m, 0.11 ≤ qc (CHF) ≤ 21.42 MW/m2, and −0.87 ≤ X (exit qualities) ≤ 1.58. The re
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Sim, W. G., N. K. Mureithi, B. M. Bae, and M. J. Pettigrew. "Characteristics of Two-Phase Flows in Vertical Pipe." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93860.

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Abstract:
The characteristics of two-phase flow in a vertical pipe are investigated to gain a better understanding of vibration excitation mechanisms. An analytical model for two-phase flow in a pipe was developed by Sim et al. (2005), based on a power law for the distributions of flow parameters across the pipe diameter, such as gas velocity, liquid velocity and void fraction. An experimental study was undertaken to verify the model. The unsteady momentum flux impinging on a ‘turning tee’ (or a ‘circular plate’) has been measured at the exit of the pipe, using a force sensor. From the measured data, es
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Reports on the topic "Vertical flux"

1

Canavan, G. H. Vertical transport and sources in flux models. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/434474.

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2

Jakob, Christian. The vertical structure of convective mass-flux derived from modern radar systems - Data analysis in support of cumulus parametrization. Final Report. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1574272.

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3

Numerical simulation of vertical ground-water flux of the Rio Grande from ground-water temperature profiles, central New Mexico. US Geological Survey, 1999. http://dx.doi.org/10.3133/wri994212.

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