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Diffusion by a Random Velocity Field
The Physics of Fluids, 1970Single-particle diffusion in a multivariate-normal, incompressible, stationary, isotropic velocity field is calculated in two and three dimensions by computer simulation and by the direct-interaction approximation. The computer simulations are carried out by storing the velocity field as a set of Fourier components and synthesizing in physical space ...
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Ultrasonic velocity profiler for very low velocity field
Flow Measurement and Instrumentation, 2013Abstract An ultrasonic velocity profile measurement system has been realized that can measure velocities in a very slow flow. The system implements a novel phase difference method that overcomes the low velocity limitation in a conventional signal processing algorithm for the Doppler method.
Tomonori IHARA +2 more
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Polymer conformations in random velocity fields
Physical Review Letters, 1992A polymer in a random velocity field is investigated in application to turbulent drag reduction. The model employed constrains the links to a constant length. The results differ strongly from the usual linear model and show novel behavior. With no thermal fluctuations included, and with finite stiffness, the steady state of the chain is a straight line.
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Radiotheranostics in oncology: Making precision medicine possible
Ca-A Cancer Journal for Clinicians, 2023Eric Aboagye
exaly
Spectral Lines Analysis: Rotational Velocity and Velocity Fields
2014From an analysis of spectral line profiles we can obtain information on the physical structure of the star. In particular, in this lecture we focus on the determination of stellar rotational velocity and velocity fields, such as macroturbulence and microturbulence.
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Phase-field modeling of microstructure evolution: Recent applications, perspectives and challenges
Progress in Materials Science, 2022Damien Tourret, Javier LLorca
exaly
Near-field radiative heat transfer in many-body systems
Reviews of Modern Physics, 2021Svend Age Biehs +2 more
exaly