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Chavanis, Pierre-Henri - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 3, pp. 375-396

When considering the hydrodynamics of Brownian particles, one is confronted to a difficult closure problem. One …

Persistent link: https://www.econbiz.de/10011060369

Collective effects in models for interacting molecular motors and motor-microtubule mixtures

Menon, Gautam I. - In: Physica A: Statistical Mechanics and its Applications 372 (2006) 1, pp. 96-112

Three problems in the statistical mechanics of models for an assembly of molecular motors interacting with cytoskeletal filaments are reviewed. First, a description of the hydrodynamical behaviour of density–density correlations in fluctuating ratchet models for interacting molecular motors is...

Persistent link: https://www.econbiz.de/10011062495

On a possible difference between the barycentric velocity and the velocity that gives translational momentum in fluids

Bedeaux, Dick; Kjelstrup, Signe; Christian Öttinger, Hans - In: Physica A: Statistical Mechanics and its Applications 371 (2006) 2, pp. 177-187

This paper explores the rather controversial proposal by Howard Brenner that the velocities that follow from the mass flux and from the translational momentum in a fluid, are not equal. We show that standard non-equilibrium thermodynamics can be formulated such that it is in full agreement with...

Persistent link: https://www.econbiz.de/10011063141

Derivation of one-dimensional hydrodynamic model for stock price evolution

Vamoş, C; Suciu, N; Blaj, W - In: Physica A: Statistical Mechanics and its Applications 287 (2000) 3, pp. 461-467

It was proved that balance equations for systems with corpuscular structure can be derived if a kinematic description by piece-wise analytic functions is available (Vamoş et al., Physica A 227 (1996) 81). This article presents a rigorous derivation of an one-dimensional hydrodynamic model for...

Persistent link: https://www.econbiz.de/10011063280

Optimization of novel photobioreactor design using computational fluid dynamics

Soman, Abhinav; Shastri, Yogendra - In: Applied Energy 140 (2015) C, pp. 246-255

The high cost of microalgae cultivation is one of the major hurdles in large scale production of microalgal biofuels. Cultivation in closed photobioreactors (PBR) to achieve high culture concentrations is a potential solution. However, existing PBR designs do not have the desired efficiencies,...

Persistent link: https://www.econbiz.de/10011189409

Hydrodynamics of offshore structures with specific focus on wind energy applications

Benitz, M.A.; Lackner, M.A.; Schmidt, D.P. - In: Renewable and Sustainable Energy Reviews 44 (2015) C, pp. 692-716

This review covers the broad scope of ocean hydrodynamics on offshore marine structures, laying the framework for … sample of existing engineering tools for modeling hydrodynamics on offshore wind turbines is presented. Finally, finite …

Persistent link: https://www.econbiz.de/10011190419

Generalized Langevin equation with hydrodynamic backflow: Equilibrium properties

Fodor, Étienne; Grebenkov, Denis S.; Visco, Paolo; van … - In: Physica A: Statistical Mechanics and its Applications 422 (2015) C, pp. 107-112

We review equilibrium properties for the dynamics of a single particle evolving in a visco-elastic medium under the effect of hydrodynamic backflow which includes added mass and Basset force. Arbitrary equilibrium forces acting upon the particle are also included. We discuss the derivation of...

Persistent link: https://www.econbiz.de/10011194088

Occupational segregation by race in South Africa after apartheid

Gradín Lago, Carlos Manuel - 2017

This paper investigates progress in reducing the high level of racial stratification of occupations after apartheid in …-paying jobs (compared with whites). Less than a third of segregation and about half of racial stratification in occupational … over time. Segregation and stratification, however, remain when blacks and whites with similar characteristics are compared. …

Persistent link: https://www.econbiz.de/10011688568

Segregation of women into low-paying occupations in the United States

Gradín, Carlos - 2017

We extend the conventional framework for measuring segregation to consider stratification of occupations by gender, i … US has been accompanied by a deeper, longer reduction in gender stratification. We further investigate the role of … workers' characteristics, showing that gender differences cannot explain the levels of segregation/stratification in any year …

Persistent link: https://www.econbiz.de/10011688571

Public R&D Support and Firms’ Performance. A Panel Data Study

Raknerud, Arvid; Iancu, Diana-Cristina; Nilsen, Øivind A. - 2018

did not receive support using a combination of stratification and propensity score matching. Changes in performance …

Persistent link: https://www.econbiz.de/10011968648