نتایج جستجو برای: coriolis forces

تعداد نتایج: 90856  

2016
Volodimir Karachun Viktorij Mel'nick Igor Korobiichuk Michal Nowicki Roman Szewczyk Svitlana Kobzar

The emergence of hypersonic technology pose a new challenge for inertial navigation sensors, widely used in aerospace industry. The main problems are: extremely high temperatures, vibration of the fuselage, penetrating acoustic radiation and shock N-waves. The nature of the additional errors of the gyroscopic inertial sensor with hydrostatic suspension components under operating conditions gene...

2001
Banibrata Mukhopadhyay

Using the generalised set of fluid equations that include the ‘Coriolis force’ along with the centrifugal and pressure gradient forces, we have reanalysed the class of self similar solutions, with the pseudo-Newtonian potential. We find that the class of solutions is well behaved for almost the entire parameter space except for a few selected combinations of γ and α for the co-rotating flow. Th...

Journal: :J. Comput. Physics 2007
Mária Lukácová-Medvid'ová Sebastian Noelle Marcus Kraft

We present a new well-balanced finite volume method within the framework of the finite volume evolution Galerkin (FVEG) schemes. The methodology will be illustrated for the shallow water equations with source terms modelling the bottom topography and Coriolis forces. Results can be generalized to more complex systems of balance laws. The FVEG methods couple a finite volume formulation with appr...

Journal: :J. Comput. Physics 2013
Chris J. Budd Mike Cullen E. J. Walsh

We derive a moving mesh method based upon ideas from optimal transport theory which is suited to solving PDE problems in meteorology. In particular we show how the Parabolic Monge-Ampere method for constructing a moving mesh in two-dimensions can be coupled successfully to a pressure correction method for the solution of incompressible flows with significant convection and subject to Coriolis f...

2006
H. Yang

In this research, we propose a triplex-pumping CD-like multi-channel electrophoresis-based biomedical separation system that is driven by the interactions of the centrifugal force, the electric field force, and the Coriolis force. In this novel platform,the heat-conduction theory is implemented to formulate the relations between the sample velocity and the dimensions of the microchannel. The pa...

2017
J. J. H. BROUWERS

A theoretical analysis is presented of viscous incompressible laminar flow in a pipe which rotates around an axis held at small angle with respect to its symmetry-axis. Analogous to the results of Barua and Benton [1, 2], solutions in closed-form are given for circulatory flows in the crosssectional plane of the pipe due to Coriolis forces in combination with Hagen-Poiseuille flow through the p...

Journal: :Journal of Fluid Mechanics 2022

Dynamos driven by rotating convection in the plane layer geometry are investigated numerically for a range of Ekman number ( $E$ ), magnetic Prandtl $Pm$ ) and Rayleigh $Ra$ ). The primary purpose investigation is to compare results simulations with previously developed asymptotic theory that applicable limit rapid rotation. We find all quasi-geostrophic regime which Coriolis pressure gradient ...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2013
s. f. ahmed

energy equation for turbulent flow in a rotating system was derived in terms of second order correlation tensors, where the correlation tensors were functions of space coordinates, distance between two points and time. to reveal the relationship of turbulent energy between two points, one point was taken as origin of the coordinate system. due to rotation, the coriolis force played an important...

2009
Gordon I. Ogilvie

We study the tidal forcing, propagation and dissipation of linear inertial waves in a rotating fluid body. The intentionally simplified model involves a perfectly rigid core surrounded by a deep ocean consisting of a homogeneous incompressible fluid. Centrifugal effects are neglected, but the Coriolis force is considered in full, and dissipation occurs through viscous or frictional forces. The ...

1998
Alan P. Bowling Oussama Khatib

The study of acceleration capability is concerned with the responsiveness of a manipulator to controller commands. In this paper we present a general model for the analysis of end-eeector linear and angular accelerations that accounts for the velocity eeects. The separate treatment of linear and angular motion directly addresses the inhomogeneities of end-eeector motions, avoiding the use of in...

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