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Статті в журналах з теми "Stratified boundary layer"
Imberger, J., and G. N. Ivey. "Boundary mixing in stratified reservoirs." Journal of Fluid Mechanics 248 (March 1993): 477–91. http://dx.doi.org/10.1017/s0022112093000850.
Повний текст джерелаChimonas, George. "Substructure layers and modes in the stratified boundary layer." Dynamics of Atmospheres and Oceans 27, no. 1-4 (January 1998): 187–200. http://dx.doi.org/10.1016/s0377-0265(97)00008-0.
Повний текст джерелаRAHM, LARS, and URBAN SVENSSON. "Dispersion in a stratified benthic boundary layer." Tellus A 41A, no. 2 (March 1989): 148–61. http://dx.doi.org/10.1111/j.1600-0870.1989.tb00372.x.
Повний текст джерелаDzhaugashtin, K. E., and A. Zh Naimanova. "Wall boundary layer in a stratified medium." Journal of Engineering Physics and Thermophysics 72, no. 2 (March 1999): 273–80. http://dx.doi.org/10.1007/bf02699150.
Повний текст джерелаRahm, Lars, and Urban Svensson. "Dispersion in a stratified benthic boundary layer." Tellus A: Dynamic Meteorology and Oceanography 41, no. 2 (January 1989): 148–61. http://dx.doi.org/10.3402/tellusa.v41i2.11827.
Повний текст джерелаMcWilliams, James C., Edward Huckle, and Alexander F. Shchepetkin. "Buoyancy Effects in a Stratified Ekman Layer." Journal of Physical Oceanography 39, no. 10 (October 1, 2009): 2581–99. http://dx.doi.org/10.1175/2009jpo4130.1.
Повний текст джерелаTHOMAS, LEIF N., and PETER B. RHINES. "Nonlinear stratified spin-up." Journal of Fluid Mechanics 473 (December 10, 2002): 211–44. http://dx.doi.org/10.1017/s0022112002002367.
Повний текст джерелаHunt, J. C. R. "Diffusion in the Stably Stratified Atmospheric Boundary Layer." Journal of Climate and Applied Meteorology 24, no. 11 (November 1985): 1187–95. http://dx.doi.org/10.1175/1520-0450(1985)024<1187:ditssa>2.0.co;2.
Повний текст джерелаKranenburg, C. "Boundary-induced entrainment in two-layer stratified flow." Journal of Geophysical Research 92, no. C5 (1987): 5417. http://dx.doi.org/10.1029/jc092ic05p05417.
Повний текст джерелаScotti, Alberto, and Brian White. "The Mixing Efficiency of Stratified Turbulent Boundary Layers." Journal of Physical Oceanography 46, no. 10 (October 2016): 3181–91. http://dx.doi.org/10.1175/jpo-d-16-0095.1.
Повний текст джерелаДисертації з теми "Stratified boundary layer"
Taylor, John R. "Numerical simulations of the stratified oceanic bottom boundary layer." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2008. http://wwwlib.umi.com/cr/ucsd/fullcit?p3296822.
Повний текст джерелаTitle from first page of PDF file (viewed March 24, 2008). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 205-212).
Baum, Bryan Alan. "The extension of rapid distortion theory to stratified shear flows." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/25971.
Повний текст джерелаRees, J. M. "Studies of internal gravity waves in the stably stratified troposphere." Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383343.
Повний текст джерелаZhou, Jingnan. "Numerical studies of stably stratified planetary boundary-layer flows over topography and their parameterization for large scale numerical model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq27395.pdf.
Повний текст джерелаApsley, David D. "Numerical modelling of neutral and stably stratified flow and dispersion in complex terrain." Thesis, University of Surrey, 1995. http://epubs.surrey.ac.uk/649/.
Повний текст джерелаJiménez, Cortés Maria Antònia. "Stably stratified atmospheric boundary layer: study trough large-eddy simulations, mesoscale modelling and observations." Doctoral thesis, Universitat de les Illes Balears, 2005. http://hdl.handle.net/10803/9433.
Повний текст джерелаAquest treball es centra en l'estudi de la CLE mitjançant 3 eines diferents: 1) simulacions explícites de grans remolins (més conegudes com a simulacions LES), per determinar el comportament dels moviments turbulents, on les resolucions són de l'ordre de metres; 2) simulacions mesoscalars, per caracteritzar els efectes locals, on les resolucions són de l'ordre de kilòmetres; 3) anàlisi de les observacions sota aquestes condicions per tal de caracteritzar i entendre millor els fenòmens observats.
En primer lloc s'estudia el rang d'estabilitats a on el model LES, que considera la teoria de Kolmogorov per la dissipació de l'energia, funciona correctament. Els resultats del model són realistes tal com mostra la seva comparació amb les mesures de dues campanyes experimentals (SABLES-98 i CASES-99). Per explorar més a fons els resultats LES i per comparar-los amb les mesures s'han utilitzat les Funcions de Distribució de Probabilitat (PDF). Aquests resultats LES són també comparables als obtinguts amb altres models LES, tal com mostra la intercomparació de models LES, més coneguda com a GABLS.
Un cop desenvolupades totes les eines necessàries es fa un LES d'un cas més realista, basat en les observacions d'un màxim de vent de capes baixes (més conegut com a Low-Level Jet, LLJ). L'anàlisi combinat dels resultats LES i les mesures permet entendre millor els processos de barreja que tenen lloc a través de la inversió. Finalment, la contribució dels efectes locals s'estudia mitjançant les simulacions mesoscalars, en aquest cas centrades a l'illa de Mallorca. Durant el vespre es veu com les circulacions locals es desenvolupen a les conques (de longitud al voltant de 25km), formant-se, per exemple, vents catabàtics o LLJ com l'estudiat anteriorment. En aquest cas les simulacions es verifiquen amb imatges de satèl·lit NOAA i observacions de les estacions automàtiques de mesures, donant resultats semblants.
The atmospheric boundary layer is the area directly influenced by the presence of the Earth's surface and its height is from hundreds of meters to few kilometres. During the night, the radiative cooling stratifies the layer close to the surface and it forms the Stably-stratified Atmospheric Boundary Layer (SBL). Nowadays, the SBL is a regime not well enough characterized, yet. Turbulence, which is not homogeneous either isotropic, and the great importance of the local effects, like the orography, among other factors, make the SBL be a difficult regime to study. Even so, the SBL is an object of special attention, especially when improving its representation in numerical prediction models or climate models.
This work focuses on the study of the SBL through 3 different tools: 1) Large-Eddy Simulations (LES), to determine the turbulent motions, where the resolutions are about 1m; 2) Mesoscale simulations, to characterize the local effects, where resolutions are about 1km; 3) Analysis of the observations under these conditions in order to better characterize and understand the observed phenomena.
In first place, it is studied the range of stabilities where the LES model, that considers the Kolmogorov theory for the dissipation of the energy, works correctly. The results are realistic as the comparison with measures from two experimental campaigns (SABLES-98 and CASES-99) shows. To explore the results more thoroughly, and to compare the LES results to the measurements, the Probability Density Functions (PDF) have been used. The LES results are also comparable to the ones obtained with other LES models, as the intercomparison of different LES models show, better known as GABLS.
Then, a more realistic case is performed using the LES model, based on observations of a Low-Level Jet (LLJ). The combined inspection of the LES results and the observations allow to better understand the mixing processes that take place through the inversion layer. Finally, the contribution of the local effects is studied through a mesoscale simulation. Here the attention is focused on the Mallorca Island. During the night, the model is able to reproduce the local circulations is a basin of a characteristic size of 25km. The main features obtained previously from the LES of the LLJ are also reproduced by the mesoscale model. These runs are verified with NOAA satellite images and observations from the automatic surface weather stations, giving that the model is able to reproduce realistic results.
FRANCONE, CATERINA. "Study of the atmospheric boundary layer processes over sloping terrain covered by sparse canopy." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2496734.
Повний текст джерелаUdina, Sistach Mireia. "Modeling the atmospheric boundary layer in stably stratified conditions and over complex terrain areas: from mesoscale to LES." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/396115.
Повний текст джерелаLa capa límit atmosfèrica és la part més baixa de l'atmosfera terrestre on s'hi desenvolupa la vida humana. En condicions d'estratificació estable i sobre terreny no homogeni esdevé un sistema molt complex amb múltiples interaccions dels processos físics que hi tenen lloc. Per a entendre i quantificar algunes de les incerteses que planteja l'atmosfera a la capa límit en aquesta tesi principalment hem utilitzat eines de simulació numèrica. Els models numèrics permeten la comprensió més enllà de les dades experimentals, així com testejar les descripcions teòriques, a més de simular fenòmens que són molt difícils de mesurar. L'objectiu és, doncs, contribuir a la comprensió dels fenòmens que tenen lloc a la capa límit en condicions d'estratificació estable i sobre àrees de terreny complex i explorar les capacitats i les limitacions de la seva modelització numèrica. D'entre els principals resultats, fent ús del model WRF en l'aproximació de mesoscala, hem determinat l'origen d'una corrent de densitat que va donar lloc a ones de gravetat interna en la zona del Centro de Investigaciones de la Baja Atmósfera (CIBA). Hem vist que una massa d'aire amb origen de brisa marítima juntament amb els vents catabàtics originats a les cadenes muntanyoses del voltant són l'origen de la corrent de densitat que genera ones de gravetat al seu pas per l'àrea del CIBA. Per altra banda, hem explorat l'estructura vertical de la turbulència en condicions neutrals i estables fent ús del model WRF en l'aproximació LES (WRF-LES). S'han investigat els règims de intensitat de turbulència en funció de la velocitat del vent i s'ha obtingut una relació semblant a les observacions en situació de forta turbulència. Veiem les condicions de contorn del model a la superfície i al límit superior poden afectar molt significativament l'estructura dels remolins. Finalment, l'estudi de les ones de muntanya sobre la orografia complexa del Pirineu amb el model WRF en el mode mesoscalar ha permès avaluar la capacitat del model per a representar l'esdeveniment i la variació en els resultats en funció de les seves diferents opcions físiques i de configuració.
Mirocha, Jeffrey D. "An investigation of the stably-stratified atmospheric boundary layer over the Arctic Ocean during stable, clear-sky, winter conditions." Diss., Connect to online resource, 2005. http://wwwlib.umi.com/dissertations/fullcit/3186935.
Повний текст джерелаMarti, Clelia Luisa. "Exchange processes between littoral and pelagic waters in a stratified lake." University of Western Australia. Centre for Water Research, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0005.
Повний текст джерелаКниги з теми "Stratified boundary layer"
P, Castro I., Rockliff N. J, and Institute of Mathematics and Its Applications., eds. Stably stratified flows: Flow and dispersion over topography : based on the proceedings of the Fourth Conference on Stably Stratified Flows, organized by the Institute of Mathematics and Its Applications and held at the University of Surrey in September, 1992. Oxford: Clarendon Press, 1994.
Знайти повний текст джерелаAnsorge, Cedrick. Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-45044-5.
Повний текст джерелаKoba, Hajime. Nonlinear stability of Ekman boundary layers in rotation stratified fluids. Providence, Rhode Island: American Mathematical Society, 2013.
Знайти повний текст джерелаBlackaby, Nicholas D. Inviscid vortex motions in weakly three-dimensional boundary layers and their relation with instabilities in stratified shear flows. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1992.
Знайти повний текст джерелаBlackaby, Nicholas D. Inviscid vortex motions in weakly three-dimensional boundary layers and their relation with instabilities in stratified shear flows. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1992.
Знайти повний текст джерелаAnsorge, Cedrick. Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer. Springer, 2016.
Знайти повний текст джерелаAnsorge, Cedrick. Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer. Springer, 2018.
Знайти повний текст джерелаRuscher, Paul Harold. An examination of structure and parameterization of turbulence in the stably-stratified atmospheric boundary layer. 1987.
Знайти повний текст джерела(Editor), I. P. Castro, and N. J. Rockliff (Editor), eds. Stably Stratified Flows: Flow and Dispersion over Topography (Institute of Mathematics and Its Applications Conference Series New Series). Oxford University Press, USA, 1994.
Знайти повний текст джерелаЧастини книг з теми "Stratified boundary layer"
Azad, Ram S. "Basics of Usual Turbulent Boundary Layer; Neutrally Stratified Atmospheric Boundary Layer." In The Atmospheric Boundary Layer for Engineers, 297–382. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1785-2_6.
Повний текст джерелаAnsorge, Cedrick. "The Neutrally Stratified Ekman Layer." In Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer, 75–95. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45044-5_6.
Повний текст джерелаGarratt, J. R., and B. F. Ryan. "The Structure of the Stably Stratified Internal Boundary Layer in Offshore Flow over the Sea." In Boundary Layer Studies and Applications, 17–40. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0975-5_3.
Повний текст джерелаLenschow, Donald H., Xing Sheng Li, Cui Juan Zhu, and B. Boba Stankov. "The Stably Stratified Boundary Layer over the Great Plains." In Topics in Micrometeorology. A Festschrift for Arch Dyer, 95–121. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2935-7_8.
Повний текст джерелаLenschow, Donald H., Shi F. Zhang, and B. Boba Stankov. "The Stably Stratified Boundary Layer over the Great Plains." In Topics in Micrometeorology. A Festschrift for Arch Dyer, 123–35. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2935-7_9.
Повний текст джерелаMiyashita, Katsuhiro, Kaoru Iwamoto, and Hiroshi Kawamura. "Direct Numerical Simulation of Neutrally Stratified Ekman Boundary Layer." In Frontiers of Computational Science, 227–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-46375-7_30.
Повний текст джерелаCowan, I. R., and R. E. Britter. "Direct Numerical Simulation of a Stably Stratified Turbulent Boundary Layer." In Direct and Large-Eddy Simulation I, 157–66. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1000-6_14.
Повний текст джерелаAnsorge, Cedrick. "Implications for the Study of the Atmospheric Boundary Layer." In Analyses of Turbulence in the Neutrally and Stably Stratified Planetary Boundary Layer, 143–50. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45044-5_9.
Повний текст джерелаPerestenko, Oleg V., and Lev Kh Ingel. "On an Instability Mechanism in a Stably Stratified Atmospheric Layer over a Moistened Surface." In Boundary-Layer Meteorology 25th Anniversary Volume, 1970–1995, 383–98. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-017-0944-6_16.
Повний текст джерелаLeroux, Karine, and Olivier Eiff. "Boundary-Layer Influence on Extreme Events in Stratified Flows over Orography." In Wind Energy, 105–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-33866-6_18.
Повний текст джерелаТези доповідей конференцій з теми "Stratified boundary layer"
Cataldi, Marcio, Juliana B. R. Loureiro, and Atila P. Silva Freire. "A Wind-Tunnel Study of Thermally Stratified Boundary Layers." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32963.
Повний текст джерелаSutherland, B. R., and D. A. Aguilar. "Stratified flow over topography: wave generation and boundary layer separation." In ADVANCES IN FLUID MECHANICS 2006. Southampton, UK: WIT Press, 2006. http://dx.doi.org/10.2495/afm06032.
Повний текст джерелаMerzari, Elia, Paul Fischer, W. David Pointer, Marco Pellegrini, and Hisashi Ninokata. "On the Interaction of Boundary Layer and Mixing Layer in Stratified Pipe Flow." In ASME 2012 Fluids Engineering Division Summer Meeting collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/fedsm2012-72387.
Повний текст джерелаKurbatskaya, L. I. "FEATURES OF TURBULENT TRANSPORT IN THE STABLY STRATIFIED BOUNDARY LAYER ATMOSPHERE." In ХХI International Conference on the Methods of Aerophysical Research (ICMAR 2022). Novosibirsk: Федеральное государственное бюджетное учреждение «Сибирское отделение Российской академии наук», 2022. http://dx.doi.org/10.53954/9785604788967_108.
Повний текст джерелаHattori, H., S. Yoshikawa, T. Houra, M. Tagawa, and Yasutaka Nagano. "DNS of thermally-stratified turbulent boundary layer over 2-dimensional hill." In THMT-12. Proceedings of the Seventh International Symposium On Turbulence, Heat and Mass Transfer Palermo, Italy, 24-27 September, 2012. Connecticut: Begellhouse, 2012. http://dx.doi.org/10.1615/ichmt.2012.procsevintsympturbheattransfpal.2600.
Повний текст джерелаHattori, H., and Y. Nagano. "DNS and Turbulence Modeling for Turbulent Boundary Layers With Various Thermal Stratifications." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32586.
Повний текст джерелаHaywood, John, and Adrian Sescu. "Large Eddy Simulation Study of Moving Objects in Thermally-Stratified Boundary Layer Flows." In 22nd AIAA Computational Fluid Dynamics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-2299.
Повний текст джерелаHewitt, Richard E., Peter W. Duck, Michael R. Foster, and Peter A. Davis. "Nonlinear Spin-Up of a Rotating Stratified Fluid: Theory." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1242.
Повний текст джерелаKamardin, Andrey, Vladimir Gladkikh, Vladimir Mamyshev, Irina V. Nevzorova, Sergey Odintsov, and Ioann Trofimov. "Estimation of the height of intense turbulent heat exchange layer in the stably stratified atmospheric boundary layer." In 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, edited by Gennadii G. Matvienko and Oleg A. Romanovskii. SPIE, 2020. http://dx.doi.org/10.1117/12.2574268.
Повний текст джерелаTamura, Toshihiko, J. Nagayama, K. Ohta, K. Mori, and A. Okuno. "LES of Spatially-developing Thermally Stratified Turbulent Boundary Layer over Uniformly Arrayed Roughness Elements." In Turbulence, Heat and Mass Transfer 5. Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer. New York: Begellhouse, 2006. http://dx.doi.org/10.1615/ichmt.2006.turbulheatmasstransf.1000.
Повний текст джерелаЗвіти організацій з теми "Stratified boundary layer"
Galperin, B., S. Sukoriansky, V. Perov, and S. Zilitinkevich. Improved Parameterization of Stably Stratified Boundary Layer Turbulence in Atmospheric Models. Fort Belvoir, VA: Defense Technical Information Center, March 2005. http://dx.doi.org/10.21236/ada431687.
Повний текст джерела