منابع مشابه
Are the current Covid-19 cases post phase of 3rd wave or pre-phase of 4th wave in India?
Are the current Covid-19 cases post phase of 3rd wave or pre-phase of 4th wave in India?
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We explore the relationship between two common two-phase flow models, usually denoted as the two-fluid and drift-flux models. They differ in their mathematical description of momentum transfer between the phases. In this paper we provide a framework in which these two model formulations are unified. The drift-flux model employs a mixture momentum equation and treats interphasic momentum exchang...
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Generic wave dislocations (phase singularities, optical vortices) have anisotropic local structure, which is analysed, with emphasis on the twist of surfaces of equal phase along the singular line, and the rotation of the local anisotropy ellipse (twirl). Various measures of twist and twirl are compared in specific examples, and a theorem is found relating the (quantised) topological twist and ...
متن کاملPhase Structure of Strong-Field Tunneling Wave Packets from Molecules.
We study the phase structure of the tunneling wave packets from strong-field ionization of molecules and present a molecular quantum-trajectory Monte Carlo model to describe the laser-driven dynamics of photoelectron momentum distributions of molecules. Using our model, we reproduce and explain the alignment-dependent molecular frame photoelectron spectra of strong-field tunneling ionization of...
متن کاملA Fugacity Approach for Prediction of Phase Equilibria of Methane Clathrate Hydrate in Structure H
In this communication, a thermodynamic model is presented to predict the dissociation conditions of structure H (sH) clathrate hydrates with methane as help gas. This approach is an extension of the Klauda and Sandler fugacity model (2000) for prediction of phase boundaries of sI and sII clathrate hydrates. The phase behavior of the water and hydrocarbon system is modeled using the Peng-Robinso...
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics
سال: 1993
ISSN: 0033-068X,1347-4081
DOI: 10.1143/ptp/90.1.1