Measurement of viscous flow velocity and flow visualization using two magnetic resonance imagers


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Abstract

The accuracies of measuring the velocity field using clinical and research magnetic resonance imagers are compared. The flow velocity of a fluid simulating blood in a carotid artery model connected to a programmable pump was measured. Using phase-contrast magnetic resonance tomography, the velocity distributions in the carotid artery model were obtained and compared with the analytical solution for viscous liquid flow in a cylindrical tube (Poiseuille flow). It is found that the accuracy of the velocity measurement does not depend on the field induction and spatial resolution of the imagers.

About the authors

A. V. Boiko

Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch; Tyumen State University

Author for correspondence.
Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090; Tyumen, 625003

A. E. Akulov

Institute of Cytology and Genetics, Siberian Branch

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090

A. P. Chupakhin

Lavrent’ev Institute of Hydrodynamics, Siberian Branch

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090

A. A. Cherevko

Lavrent’ev Institute of Hydrodynamics, Siberian Branch; Novosibirsk State University

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

N. S. Denisenko

Lavrent’ev Institute of Hydrodynamics, Siberian Branch; Novosibirsk State University

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

A. A. Savelov

International Tomography Center, Siberian Branch

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090

Yu. A. Stankevich

International Tomography Center, Siberian Branch

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090

A. K. Khe

Lavrent’ev Institute of Hydrodynamics, Siberian Branch; Novosibirsk State University

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

A. A. Yanchenko

Lavrent’ev Institute of Hydrodynamics, Siberian Branch; Novosibirsk State University

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

A. A. Tulupov

International Tomography Center, Siberian Branch

Email: boiko@itam.nsc.ru
Russian Federation, Novosibirsk, 630090

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