نتایج جستجو برای: drift flux model

تعداد نتایج: 2192892  

Journal: :NHM 2010
Christophe Chalons

This note is devoted to the study of the one dimensional interfacial coupling of two PDE systems at a given fixed interface, say x = 0. Each system is posed on a half-space, namely x < 0 and x > 0. As an interfacial model, a coupling condition whose objective is to enforce the continuity (in a weak sense) of a prescribed variable is imposed at x = 0. We focus on the coupling of two scalar conse...

2013
Paul S. Wikramaratna Michi Sandeman Mario Recker Sunetra Gupta

It is commonly assumed that antibody responses against the influenza virus are polarized in the following manner: strong antibody responses are directed at highly variable antigenic epitopes, which consequently undergo 'antigenic drift', while weak antibody responses develop against conserved epitopes. As the highly variable epitopes are in a constant state of flux, current antibody-based vacci...

Journal: :Progress in Earth and Planetary Science 2021

Abstract We present results of an effort to evaluate the ability analytic model describe behavior equatorial zonal plasma drifts given inputs provided by readily available climatological models thermospheric and ionospheric parameters. In a data-model fusion approach, we used vertical drift measurements drive its output. Drift were made Jicamarca incoherent scatter radar, evaluated for differen...

Journal: :The Cryosphere 2021

Abstract. Changes in Arctic sea ice thickness are the result of complex interactions dynamic and variable cover with atmosphere ocean. Most exiting Ocean does so through Fram Strait, which is why long-term measurements at end Transpolar Drift provide insight into integrated signals thermodynamic influences along pathways ice. We present an updated summer (July–August) time series extensive surv...

Journal: :آب و خاک 0
سکینه پورمند احمد غلامعلی زاده آهنگر عبدالحمید دهواری

introduction: wind erosion is one of the most important factors in desert environments. prevailing winds can shift sand dunes and affect their accumulation and morphology. also, wind regime determines the direction of sand dune mobility in different ways. therefore, the wind regime, frequency, direction and velocity are supposed to be the most important factors to form the morphology of sand du...

This paper aims at estimating Geometric Brownian Motion (GBM) Model, based on two central parameters in this model (volatility and drift), and forecasting Henry Hub natural gas daily spot prices (07/01/1997-20/03/2012). Researches reveal that two mentioned parameters estimation can be satisfied with different approaches and in various time scales. Therefore, two approaches of backward looking a...

Journal: :iranian journal of public health 0
m. saadat p. amirshahi farhud

a total of 2519 blood samples were collected from five distinct populations of larestan, in fars province, in iran (lar, gerash, khour, latifi and berake) were examined for abo and rh blood groups. the gene frequencies obtained from these samples were compared with the hitherto reported corresponding data from other populations of fars province to determine the genetic structure of the larestan...

Journal: :Systems & Control Letters 2021

Two-phase flows are frequently modelled and simulated using the Two-Fluid Model (TFM) Drift Flux (DFM). This paper proposes Stokes–Dirac structures with respect to which port-Hamiltonian representations for such two-phase flow models can be obtained. We introduce a non-quadratic candidate Hamiltonian function present dissipative both models. then use structure of corresponding formally skew-adj...

Journal: :Journal of contaminant hydrology 2003
C B Haukwa Yu-Shu Wu G S Bodvarsson

This paper presents a numerical study on the response of the unsaturated zone (UZ) system of Yucca Mountain to heat generated from decaying radioactive wastes emplaced at the proposed repository. The modeling study is based on the current thermal-hydrological (TH) mountain-scale model, which uses a locally refined 2D north-south cross-section and dual-permeability numerical approach. The model ...

2000
MARK R. DRINKWATER XIANG LIU SABINE HARMS

Several years of daily microwave satellite ice-drift are combined with moored Upward Looking Sonar (ULS) ice-drafts into an ice volume flux record at points along a flux gate across the Weddell Sea, Antarctica. Monthly ice transport varies at the mooring locations from a maximum export of 0.4 m s near Joinville Island to -0.4 ms imported along the Fimbul and Riiser Larsen ice shelf margins. Win...

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