Academic literature on the topic 'Covariance turbulente'
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Journal articles on the topic "Covariance turbulente":
Foken, T., F. Wimmer, M. Mauder, C. Thomas, and C. Liebethal. "Some aspects of the energy balance closure problem." Atmospheric Chemistry and Physics Discussions 6, no. 2 (April 27, 2006): 3381–402. http://dx.doi.org/10.5194/acpd-6-3381-2006.
Foken, T., F. Wimmer, M. Mauder, C. Thomas, and C. Liebethal. "Some aspects of the energy balance closure problem." Atmospheric Chemistry and Physics 6, no. 12 (September 28, 2006): 4395–402. http://dx.doi.org/10.5194/acp-6-4395-2006.
Krenk, Steen, and Randi N. Møller. "Turbulent wind field representation and conditional mean-field simulation." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 475, no. 2223 (March 2019): 20180887. http://dx.doi.org/10.1098/rspa.2018.0887.
Lenschow, Donald H., David Gurarie, and Edward G. Patton. "Modeling the diurnal cycle of conserved and reactive species in the convective boundary layer using SOMCRUS." Geoscientific Model Development 9, no. 3 (March 7, 2016): 979–96. http://dx.doi.org/10.5194/gmd-9-979-2016.
Lenschow, D. H., D. Gurarie, and E. G. Patton. "Modeling the diurnal cycle of conserved and reactive species in the convective boundary layer." Geoscientific Model Development Discussions 8, no. 10 (October 29, 2015): 9323–72. http://dx.doi.org/10.5194/gmdd-8-9323-2015.
Guerra, Maricarmen, and Jim Thomson. "Turbulence Measurements from Five-Beam Acoustic Doppler Current Profilers." Journal of Atmospheric and Oceanic Technology 34, no. 6 (June 2017): 1267–84. http://dx.doi.org/10.1175/jtech-d-16-0148.1.
Santos, Diego Jatobá, Celso Von Randow, and Pablo E. S. Oliveira. "Variabilidade temporal dos fluxos noturnos determinados a partir de duas diferentes metodologias no nível de 325 m acima da floresta Amazônica." Ciência e Natura 42 (August 28, 2020): e14. http://dx.doi.org/10.5902/2179460x45356.
Chen, J., Y. Hu, Y. Yu, and S. Lü. "Ergodicity test of the eddy-covariance technique." Atmospheric Chemistry and Physics 15, no. 17 (September 4, 2015): 9929–44. http://dx.doi.org/10.5194/acp-15-9929-2015.
RISTORCELLI, J. R. "A pseudo-sound constitutive relationship for the dilatational covariances in compressible turbulence." Journal of Fluid Mechanics 347 (September 25, 1997): 37–70. http://dx.doi.org/10.1017/s0022112097006083.
Liu, Lei, Yu Shi, and Fei Hu. "Characteristics of intrinsic non-stationarity and its effect on eddy-covariance measurements of CO<sub>2</sub> fluxes." Nonlinear Processes in Geophysics 29, no. 1 (March 24, 2022): 123–31. http://dx.doi.org/10.5194/npg-29-123-2022.
Dissertations / Theses on the topic "Covariance turbulente":
Queiros-Condé, Diogo. "Covariance d'échelle et surface de flamme en combustion turbulente." Aix-Marseille 1, 1996. http://www.theses.fr/1996AIX11056.
Sa, Leonardo Deane de Abreu. "Les flux turbulents dans la couche limite de surface analysés à partir de mesures aéroportées : validation d'une méthode dissipative-inertielle et étude de variabilité." Toulouse 3, 1992. http://www.theses.fr/1992TOU30088.
Herig, Coimbra Pedro Henrique. "A whirlwind journey of wavelet turbulent flux mapping : estimation of spatialized turbulent flux on tall towers and its uncertainties." Electronic Thesis or Diss., université Paris-Saclay, 2024. https://theses.hal.science/tel-04637523.
Climate and human activity are closely linked. Greenhouse gas (GHGs) emissions impact climate dynamics and air quality, affecting millions globally. Effective GHG monitoring is essential for informed policy decisions, yet it is complex due to spatial and temporal variability of sources and sinks, and atmospheric transport. Monitoring networks address this variability by deploying sensors across diverse geographic locations sampling continuously over time.Urban areas are key emission points, driving climate change. However, monitoring direct GHG changes over >5 km2 with varied sources and vegetated areas lacks a standard method. Eddy Covariance (EC) offers direct, continuous GHG net flux monitoring. Wavelet-based EC operates on the same principles as the standard method but calculates covariance using frequency decomposed time series. This approach does not require stationarity, leaving more data available for analysis, particularly beneficial in complex urban environments where non-stationary fluxes are common.Disentangling anthropogenic and biogenic components of a net CO2 flux is recognised as a key issue yet to be resolved in urbanised areas. Conventional ecosystem models used to partition gross primary productivity (GPP) and ecosystem respiration (Reco) are not appropriate for urbanised areas. Direct partitioning using high-frequency correlations between tracer gases may help overcoming the limitations of standard partitioning methods.While Eddy Covariance remains standard for local studies, estimating larger-scale surface fluxes often involves assimilating background concentration measurements to prior estimations using transport models. The progress in satellite imagery and detailed inventories provides a new basis that helps improve these methods. However, inversion methods using tower flux data are still sparse and would be interesting to test in urbanised areas.The objective of this PhD was to evaluate wavelet-based EC combined with Bayesian inversion methods for CO2 flux mapping. During the course of the PhD I discovered a new direct partitioning method that was used with a combination of CH4 and CO to improve the overall inversion in the suburban area of the Saclay plateau.In the first paper of the PhD, we hypothesised that decomposing concentration and wind signals by frequency can capture individual gusts within each frequency, typically mixed in the original signal. We leveraged this feature to propose a new parameter-free direct partitioning method based on quadrant analysis of CO2 and water vapour frequency decomposed fluxes. We showed that this method could indeed provide unbiased estimates of GPP and Reco at a crop and a forest ecosystem site near Paris. We also found that wavelet eddy covariance further saved up to 30% of the non-stationary data in these sites.In the second paper, we proposed using tall towers equipped with high-precision but slow analysers for measuring fluxes. Despite slower acquisition frequencies, attenuation was limited to 20 % by a lower contribution of high frequencies at this height. Results encourage further collaboration between atmospheric and ecosystem networks for in-situ measurements.In the third paper, we combined the partitioning method proposed in the first paper with the flux from the second paper, including now more gases measured to partition CO2 fluxes in biogenic and anthropogenic components and assimilate them in previous spatially-explicit estimations of fluxes at few km2. The obtained flux maps offer the advantage of relying on direct flux measurements at the landscape scale and may be used to informing large-scale inversions at broader scales.Results focused on the Parisian region provide valuable insights for flux measurements at the landscape scale and beyond, and contributing to emission monitoring strategies. These advancements contribute to understanding and addressing environmental challenges at the temporal and spatial scales where decisions are made
Nilsson, Charlotta. "Beräkning av turbulenta flödenenligt inertial dissipationsmetodenmed mätdata från enspecialkonstrueradlättviktsanemometer samtjämförelsemed turbulenta utbytesmetoden." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-303161.
In order to evaluate a combined cup anemometer/wind vane profile instrument, measurementsfrom the instrument has been used in the so called inertial-dissipation method to derive itsability to measure turbulent fluxes. The result was compared to data from a sonic anemometercalculated with eddy-correlation method, which is assumed to be correct. Analysis of theresult was made from measurements at levels 8, 16 and 20 m. The profile instrument (inertialdissipationmethod) agreed well with the sonic anemometer (eddy-correlation method) duringnear neutral conditions and at high wind speed. The profile instrument also proved to be mostaccurate at conditions of growing sea, otherwise the result was affected by waves. In thereport there is also a recommendation for specific corrections when the profile instrument isused for calculating turbulent fluxes according to the inertial-dissipation method.
Inubushi, Masanobu. "Covariant Lyapunov Analysis of Navier-Stokes Turbulence." 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/175095.
Vendrame, Nadia. "Study of vegetation-atmosphere interactions over vineyards: CO2 fluxes and turbulent transport mechanics." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3425729.
Lo studio delle interazioni tra vegetazione e atmosfera è oggi un tema di grande interesse nell’ottica di migliorare la comprensione della risposta delle piante alle variabili ambientali e la modellizzazione del loro ruolo nel cambiamento climatico globale. Particolare attenzione è di solito rivolta ai flussi di anidride carbonica (CO2) e, in genere, gli ecosistemi naturali come le foreste hanno ricevuto una maggiore attenzione. In questa ricerca sono state studiate le interazioni vegetatione-atmosfera su una coltura agraria importante per il bacino mediterraneo, quale il vigneto, focalizzandosi sul monitoraggio del bilancio annuale di carbonio e approfondendo lo studio della meccanica del trasporto turbulento che è alla base degli scambi di energia e materia. Il vigneto è un sistema complesso con diverse sorgenti e sink di scalari (vapore d’acqua, anidride carbonica, calore), in cui le due principali componenti, vite e suolo, compongono il flusso totale della canopy in un rapporto che varia nel corso dell’anno. Nei vigneti del Nord Italia, l’interfila è solitamente non lavorata e inerbita, giocando un ruolo importante nel bilancio del carbonio del sistema. In questo contesto, risulta cruciale la ripartizione dello scambio netto di CO2 dell’ecosistema (Net Ecosystem Exchange, NEE) nelle componenti suolo e vite. Nel corso di questa indagine, la NEE di un vigneto è stata monitorata per tre anni utilizzando la tecnica micrometeorologica dell’ eddy covariance (EC), mentre la misura dei flussi di CO2 al suolo è stata effettuata con camere (a cupola trasparente e oscura). Nel 2015, il bilancio annuale di carbonio del vigneto è stato di circa ‒ 80 g C m‒ 2 a‒ 1, dimostrando quindi la capacità di agire da sink, ma la maggior parte dell’assimilazione è risultata legata al suolo inerbito (‒ 60 g C m‒2 a‒1). In ogni caso, il sistema ha dimostrato un’elevata variabilità interannuale del bilancio del carbonio stagionale, in cui ondate di calore e periodi di siccità estivi hanno giocato un ruolo primario. Nella stagione 2014, caratterizzata da un regime di precipitazione abbondante, la NEE ha raggiunto il valore massimo di circa ‒ 250 g C m‒2. L’organizzazione del vigneto in filari determina una particolare dinamica del trasporto turbolento dentro canopy. Inoltre, la struttura morfologica del vigneto è altamente variabile durante il corso dell’anno, passando da una canopy praticamente vuota nel periodo di dormienza della vite a una situazione dove il fogliame è denso e concentrato nelle file al culmine della stagione vegetativa. L’influenza dello sviluppo della densità fogliare sulle statistiche della turbolenza è stato studiato installando un profilo verticale di anemometri ad ultrasuoni. Il flusso turbolento è risultato fortemente influenzato dalla struttura della canopy. Senza foglie, il regime turbolento è caratteristico di un flusso di parete, mentre con lo sviluppo completo del fogliame assume le proprietà tipiche di un flusso con mixing‒layer, sebbene il flesso al limite superiore della canopy sia poco accentuato, a causa della bassa densità fogliare del vigneto. Infine, è stata condotta un’analisi specifica delle strutture coerenti coinvolte nel trasporto di quantità di moto e sulle loro scale temporali. L’importanza di eventi discendenti che trasportano aria più veloce del flusso medio (sweeps) è aumentata nel corso della stagione. La durata media delle strutture coerenti dominanti è stato nell’ordine di 6 ‒ 10 s e, in questo caso, non è stata riscontrata nessuna chiara correlazione con lo sviluppo della struttura della canopy. Lo studio ha messo in evidenza l’importanza del monitoraggio a lungo termine degli scambi tra vegetazione e atmosfera, ma anche la complessità dei fenomeni di trasporto turbolento che li caratterizzano. Tuttavia, solo la piena comprensione della meccanica di questi processi può portare alla corretta interpretazione del ruolo della vegetazione nei cicli biogeochimici più fondamentali.
Carneiro, Janaína Viário. "Fluxos turbulentos de CO2 em uma área de arroz irrigado no RS." Universidade Federal de Santa Maria, 2007. http://repositorio.ufsm.br/handle/1/9185.
This thesis quantifies the net change of CO2 (NEE) in an irrigated rice crop cultivation in RS (Brazil). The research is part of the project CT-HIDRO, which presents as main purpose the description of surface conditions for different ecosystems in the country. Data were gathered during the cultivation period, from October 2003 to March 2004. During this time, the average air temperature and the incident radiation were suitable for the development of the culture in such an area. The turbulent flows, calculated by the eddy covariance method, overestimated the NEE value, probably due to the low estimate of breathing tax, because, during some night-times, sensor registered little turbulence. Moreover, other factor could have interfered in the result of the flows, for instance, the time in which the flows are calculated. The Webb correction was applied in the curve of NEE, and a value smaller than 1% was found. Such result didn't modify the previous result significantly. The behavior of CO2 flow during the whole analyzed period showed a maximum of -0,47mgCO2 m−2 s −1 in January 2004, what demonstrates the largest absorption of CO2 from the atmosphere by the plant during the day and a smaller liberation at night, due to the development phase in which the plant is. In this case, the Webb correction was also little emphasized, not interfering in the obtained result. The curves that demonstrate the three phases of development of the rice presented a larger absorption of CO 2 during the reproductive phase. The behavior of the flow of CO 2 showed a negative flow during the day, when the plant absorbs CO2 from the atmosphere, and a positive flow during the night, when the inverse process occurs, what was waited for. The latent heat flow presented larger diary average values from January to February, always with positive values, consequence of the rice crop irrigation. Two days with high values of flow of latent heat were obtained, what motivated the analysis of the energy balance. The closing of the energy balance was not reached in both days. A possible reason for that could be the low estimate of flows when the eddy covariance method was applied.
Este trabalho quantifica a troca líquida de CO2 (NEE) em uma área de cultivo de arroz irrigado no RS, como parte do projeto CT-HIDRO, projeto este que tem como finalidade descrever condições de superfície para diferentes ecossistemas do país. Os dados utilizados foram coletados durante o período de cultivo, entre outubro de 2003 e março de 2004. Neste período a temperatura média do ar e a radiação incidente são adequadas para o desenvolvimento da cultura nesta região. Os fluxos turbulentos, calculados pelo método de covariância de vórtices (eddy covariance), superestimaram o valor da NEE, provavelmente devido, a subestimativa da taxa de respiração, pois em alguns períodos noturnos os sensores registraram pouca turbulência. Além disso, outro fator que pode interferir no resultado dos fluxos, como por exemplo, o intervalo em que os fluxos são calculados. Foi aplicada a correção de Webb na curva de NEE e encontrou-se um valor menor que 1%, fato este que não modificou significativamente o resultado encontrado. O comportamento do fluxo de CO 2 durante todo o período analisado, mostrou um pico de -0,47mgCO2 m−2 s −1 , em janeiro de 2004, o que demonstra a maior captura de CO2 da atmosfera pela planta durante o dia e uma menor liberação à noite, devido a fase de desenvolvimento em que a planta se encontra. Neste caso, a correção de Webb também foi pouco acentuada, não interferindo no resultado obtido. As curvas que demonstram as três fases de desenvolvimento do arroz mostraram claramente uma maior absorção de CO 2 durante a fase reprodutiva. O comportamento do fluxo de CO 2 mostra um fluxo negativo durante à dia, quando a planta absorve CO2 da atmosfera e um fluxo positivo durante à noite quando ocorre o processo inverso, o que era esperado. O fluxo de calor latente apresentou maiores valores médios diários entre os meses de janeiro e fevereiro, apresentando sempre valores positivos, conseqüência da irrigação do campo de arroz. Obtivemos dois dias com valores elevados de fluxo de calor latente, o que fez com que analisássemos o balanço de energia. O fechamento do balanço de energia não foi alcançado em ambos os dias. Uma possível razão para isto pode ser o devido à subestimativa dos fluxos quando aplicado o método de covariância de vórtices.
Stauch, Vanessa Juliane. "Data-led methods for the analysis and interpretation of eddy covariance observations." Phd thesis, kostenfrei, 2006. http://opus.kobv.de/ubp/volltexte/2007/1238/.
Zimermann, Hans Rogério. "Diferentes técnicas de condicionamento em séries temporais turbulentas." Universidade Federal de Santa Maria, 2005. http://repositorio.ufsm.br/handle/1/9211.
The dynamics process of the atmosphere near Earth ground is controled by two main forcings, termical and machanics. These process are reponsible for the atmospheric flow variability in this layer, and this variability characterizes the atmospheric turbulence. The presence of turbulence phenomena drives to distinguish it from the rest of atmosphere, such layer is commom called Atmospheric Boundary Layer (ABL). So, the importance of studying ABL is the fact of that turbulence represents an effective transport process near the ground surface. Adequate treating of the experimental data gives more truthful so qualitative as quantitavie when we are interpreting and understading these transports. This is very impportant for suitable trustful charaterizing the turbulent fluxes. This dissertation shows an overview about some basics turbulent data treatment techics. The dataset, colected experimentaly and separed into 27 minutes window samples, were subjected to simple mean, running mean through digital recursive filter e and linear detrending. Our focus are the implications of applying this technics and how each of this acts in turbulent time series of temperature and vertical velocity of the wind data, showing and discussing about the results in the estimating fluxes of sensible heat by Eddy Covariance method and also spectral densities estimates of temperature and vertical wind velocity. The main goal of the study done in this dissertation, was identifying that applying corrections on fase lag, not considered in older digital recursive filter (FDR as proposed by McMillen 1988) and, present into the model (FFDR proposed by Franceschi e Zardi 2003) leads for trusties estimatives, mainly for turbulent temperature spectra, which are the hardest ones for minimizing the non statinarity effects. Clearly, observing the graphical results of temperature spectra, we see that those low frequencies were better removed than the others technics, giving to spectral shape the classics espected shape.
A dinâmica da atmosfera próxima á superfície é regida por dois forçantes principais, um mecânico e outro térmico. Esses processos são responsáveis pela variabilidade dos escoamentos na baixa atmosfera e, é essa variabilidade que caracteriza a turbulência atmosférica. A presença do fenômeno de turbulência, permite distinguir uma camada do restante da atmosfera, esta é chamada de Camada Limite Atmosférica ( CLA). A importância de estudos nessa camada, está relacionada com o fato da turbulência representar um processo efetivo de transporte próximo à superfície. O tratamento adequado dos dados experimentais permite maior contabilidade, tanto qualitativa quanto quantitativas, na interpretação e entendimento desse transporte, ou seja, é necessário para uma adequada caracterização dos fluxos turbulentos. Nesta dissertação são investigadas algumas, das principais técnicas básicas, no tratamento de dados e condicionamento em séries temporais turbulentas. Os dados, experimentalmente coletados e separados em conjuntos de amostras com 27 minutos, são submetidos aos tratamentos com técnicas de média simples, média instantânea através de filtros digitais recursivos e remoção linear de tendência. Obeserva-se as implicações da aplicação destas técnicas, como cada uma delas age nas séries temporais turbulentas de temperatura e velocidade vertical do vento, apresentando e discutindo os resultados dessa aplicação, nas estimativas dos fluxos turbulentos de calor sensível através do método de Covariância dos Vórtices (MCV), e também das densidades espectrais de temperatura e velocidade vertical. Um dos grandes benefícios do estudo feito nessa dissertação, foi identificar que a correção do atraso de fase, que não era levada em consideração nos modelos de filtros digitais anteriores (FDR proposto por McMillen 1988) e, presente no modelo (FFDR Franceschi e Zardi 2003) conduz à estimativas satisfatórias, principalmente para espectros de temperatura turbulenta, que são os mais difíceis de se minimizar os efeitos de não estacionariedade. Ficou claro, observando nos resultados gráficos dos espectros, que a remoção de baixas freqüências nos espectros de temperatura, os deixou com o perfil típico de especros clássicamente esperados.
Polito, Martina. "Mean flow and turbulent exchange characteristics in real urban street canyons: the Lazzaretto case study." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Books on the topic "Covariance turbulente":
Institute for Computer Applications in Science and Engineering., ed. A pseudo-sound constitutive relationship for the dilatational covariances in compressible turbulence: An analytical theory. Hampton, VA: Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, 1995.
Institute for Computer Applications in Science and Engineering., ed. A pseudo-sound constitutive relationship for the dilatational covariances in compressible turbulence: An analytical theory. Hampton, VA: Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, 1995.
United States. National Aeronautics and Space Administration., ed. Coherent Doppler Lidar signal covariance including wind shear and wind turbulence. [Washington, DC: National Aeronautics and Space Administration, 1993.
Ristorcelli, J. R. A pseudo-sound constitutive relationship for the dilatational covariances in compressible turbulence: an analytical theory. Hampton, Va: Institute for Computer Applications in Science and Engineering, 1995.
Khavaran, Abbas. A parametric study of fine-scale turbulence mixing noise. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2002.
James, Bridges, Freund Jonathan B, and NASA Glenn Research Center, eds. A parametric study of fine-scale turbulence mixing noise. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2002.
Stevens, Kurt Benedict. Remote measurement of the atmospheric isoplanatic angle and determination of refractive turbulence profiles by direct inversion of the scintillation amplitude covariance function with Tikhonov regularization. Monterey, Calif: Naval Postgraduate School, 1985.
Eddy Covariance A Practical Guide To Measurement And Data Analysis. Springer, 2012.
A pseudo-sound constitutive relationship for the dilatational covariances in compressible turbulence: An analytical theory. Hampton, VA: Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, 1995.
Book chapters on the topic "Covariance turbulente":
Pocheau, Alain. "Scale Covariance and Geometry in Turbulent Combustion." In Mixing, 187–204. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4697-9_7.
Fischer, Frank Victor, and Wolfgang Polifke. "Modelling and Validation of Covariance Transport Equations for Large-Eddy-Simulation of Ternary, Turbulent Mixing." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 27–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14243-7_4.
McComb, W. David. "The Kraichnan–Wyld–Edwards covariance equations." In Homogeneous, Isotropic Turbulence, 273–98. Oxford University Press, 2014. http://dx.doi.org/10.1093/acprof:oso/9780199689385.003.0009.
Susai, Masayuki. "Volatility Spillover Structure of Stock and Foreign Exchange Market between Korea, Japan, and Hong Kong." In Global Information Technology and Competitive Financial Alliances, 162–82. IGI Global, 2006. http://dx.doi.org/10.4018/978-1-59140-881-9.ch009.
Pocheau, A. "Scale Covariance and Scale-ratio Covariance in Turbulent Front Propagation." In Relaxation Dynamics in Laboratory and Astrophysical Plasmas, 219–52. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789814291552_0007.
Conference papers on the topic "Covariance turbulente":
Moulden, T. H. "Turbulence: the covariant structure." In AFM2014. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/afm140151.
Churnside, James H., and Noaa Erl. "Joint PDF of optical scintillation." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.wp3.
Ochs, Gerard R., S. F. Clifford, and R. B. Fritz. "Observations of spherical-wave covariance in strong refractive-index turbulence." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.fa8.
Gerolymos, G. A., and I. Vallet. "The Destruction-of-Dissipation Tensor εεij in Wall Turbulence." In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69316.
Frehlich, R. G. "Intensity covariance of waves propagating in a random medium with a Kolmogorov spectrum and an Inner scale of turbulence." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.fs5.
Conan, Rodolphe. "Fast iterative optimal estimation of turbulence wavefronts with recursive block Toeplitz covariance matrix." In SPIE Astronomical Telescopes + Instrumentation, edited by Enrico Marchetti, Laird M. Close, and Jean-Pierre Véran. SPIE, 2014. http://dx.doi.org/10.1117/12.2054472.
Tahtali, Murat, and Andrew Lambert. "Statistical Turbulence Approach to the Covariance Matrices in the Shiftmap Prediction Using Kalman Filter." In Signal Recovery and Synthesis. Washington, D.C.: OSA, 2009. http://dx.doi.org/10.1364/srs.2009.stuc2.
Milton, N. Mark, Michael Lloyd-Hart, Jessica A. Bernier, and Christoph Baranec. "Real-time atmospheric turbulence profile estimation using modal covariance measurements from multiple guide stars." In Optical Engineering + Applications, edited by Robert K. Tyson and Michael Lloyd-Hart. SPIE, 2007. http://dx.doi.org/10.1117/12.734377.
Su, Moming, Chuan-gang Gu, and Yong-miao Miao. "Study of Three-Dimensional Viscous Flow Field in Axial-Flow Fan." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-420.
Khalitov, Daniel A., and Ellen K. Longmire. "Effect of Particle Size on Velocity Correlations in Turbulent Channel Flow." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45730.
Reports on the topic "Covariance turbulente":
Tanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Application of Turbulent Transport Techniques for Quantifying Whole Canopy Evapotranspiration in Large Agricultural Structures: Measurement and Theory. United States Department of Agriculture, January 2011. http://dx.doi.org/10.32747/2011.7592121.bard.
Tanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Micrometeorological methods for inferring whole canopy evapotranspiration in large agricultural structures: measurements and modeling. United States Department of Agriculture, October 2015. http://dx.doi.org/10.32747/2015.7594402.bard.