نتایج جستجو برای: inertial effect

تعداد نتایج: 1656850  

A.H. Barati, H.Mozdarani, M.Mokhtari -Dizaji, S.Z. Bathaei, Z.M.Hassan,

  ABSTRACTBackground : In order to quantify effects of ultrasound irradiation parameters under therapeutic condition, especially sonodynamic therapy, it is initially necessary to evaluate inertial cavitation activity in vitro conditions therefore, in this study, the effect of 1 MHz low level ultrasound based on °OH radicals generated by acoustic inertial cavitation in aqueous solution was monit...

2009
Peng Li Jinling Wang Chris Rizos Zhenming Feng

Existing INS-aided GPS re-acquisition methods use either long coherent integration periods or non-coherent accumulation to obtain the required frequency resolution or acquire low C/N0 signals. Such methods need accurate position or velocity aiding, which is generally unavailable in many signal re-acquisition scenarios that use low-cost receiver oscillators and sensors. Furthermore, in high dyna...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2012
Yongsam Kim Ming-Chih Lai

An inextensible vesicle under shear flow experiences a tank-treading motion on its membrane if the viscosity contrast between the interior and exterior fluids is small. Above a critical threshold of viscosity contrast, the vesicle undergoes a tumbling bifurcation. In this paper, we extend our previous work [Kim and Lai, J. Comput. Phys. 229, 4840 (2010)] to the case of different viscosity and i...

A. Molaei Dehkordi, M. Hajipour

In this article, the effects of viscous dissipation and inertial force on the velocity and temperature distributions of the mixed convection laminar flow in a vertical channel partly filled with a saturated porous medium have been studied. In this regard, the Brinkman–Forchheimer extended Darcy model was adopted for the fluid flow in the porous region. In addition, three different viscous dissi...

2008
T. Ono

During transportation by ambulance, the inertial acceleration acts on a patient when an ambulance decelerates or turns a corner. Such acceleration often gives a supine patient physical stress such as blood pressure variation and body sway, which results in pain or a feeling of discomfort. To reduce this undesirable effect of the acceleration, the actively-controlled bed, which controls a postur...

Journal: :Physics of Fluids 2022

We report an unprecedented existence of the zeroth law helicity spectrum (i.e., becomes independent wavenumber) in transition from production range to inertial range, herein termed pre-inertial wall turbulence. The is explained by superposition effect forward joint cascade energy and caused twisting stretching wall-attached superstructures equilibrium layer. phenomenological model perfectly pre...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2005
Tov Elperin Ilia Golubev Nathan Kleeorin Igor Rogachevskii

A mechanism of excitation of the large-scale inertial waves in a rotating inhomogeneous turbulence due to an excitation of a large-scale instability is found. This instability is caused by a combined effect of the inhomogeneity of the turbulence and the uniform mean rotation. The source of the large-scale instability is the energy of the small-scale turbulence. We determined the range of parame...

2017
Ilia Golubev Nathan Kleeorin Igor Rogachevskii

A mechanism of excitation of the large-scale inertial waves in a rotating inhomogeneous turbulence due to an excitation of a large-scale instability is found. This instability is caused by a combined effect of the inhomogeneity of the turbulence and the uniform mean rotation. The source of the largescale instability is the energy of the small-scale turbulence. We determined the range of paramet...

1998
L. Próchniak K. Zaja̧c K. Pomorski S. G. Rohoziński J. Srebrny

The generalized Bohr Hamiltonian is applied to a description of low-lying collective excitations in even-even isotopes of Te, Xe, Ba, Ce, Nd and Sm. The collective potential and inertial functions are determined by means of the Strutinsky method and the cranking model, respectively. A shell-dependent parametrization of the Nilsson potential is used. An approximate particle-number projection is ...

2008
Dastgeer Shaikh P K Shukla

We have performed three-dimensional (3D) nonlinear fluid simulations of electron fluid turbulence at nanoscales in an unmagnetized warm dense plasma in which mode coupling between wave function and electrostatic (ES) potential associated with underlying electron plasma oscillations (EPOs) lead to nonlinear cascades in inertial range. While the wave function cascades towards smaller length scale...

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