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TECHNICAL PAPERS: Fluids/Heat/Transport

Fluid Dynamic Analysis of the 50 cc Penn State Artificial Heart Under Physiological Operating Conditions Using Particle Image Velocimetry

[+] Author and Article Information
Pramote Hochareon, Keefe B. Manning, Arnold A. Fontaine

Pennsylvania State University, Department of Bioengineering, 205 Hallowell Building, University Park, Pennsylvania 16802 USA

John M. Tarbell

City College of New York, Department of Biomedical Engineering, Convent Ave. @138th Street, New York, New York 10031 USA

Steven Deutsch

Pennsylvania State University, Department of Bioengineering, 205 Hallowell Building, University Park, Pennsylvania 16802 USA

J Biomech Eng 126(5), 585-593 (Nov 23, 2004) (9 pages) doi:10.1115/1.1798056 History: Received April 15, 2004; Revised May 04, 2004; Online November 23, 2004
Copyright © 2004 by ASME
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References

Figures

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50 cc Penn State artificial heart: (a) front and side view of the Plexiglas model; (b) light sheet orientation for the frontal plane (The light source shown here is placed from the inlet side, which is not necessarily true for all measurements.); and (c) coordinate systems: X-Y system for ports (straight surfaces) and angular system for chamber (curved surface)
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A schematic detailing the orientation (30 deg rotation) of the 50 cc Penn State Artificial Heart’s mitral valve
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Operating conditions (flow, pressure, and piston wave forms) for the experiments
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The PIV velocity maps during early diastole (125 and 150 ms), middle to late diastole (200–400 ms), and systole (450–600 ms) for the 50 cc Penn State artificial heart (Time reference is from the onset of diastole)
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The vorticity maps during early diastole (125 and 150 ms), middle to late diastole (200–400 ms), and systole (450–600 ms) for the 50 cc Penn State artificial heart
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The velocity maps of the mitral port at 200 and 400 ms for the 50 cc Penn State artificial heart  
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The inlet/outlet ports’ average wall shear rate in time series in the beat cycle from (a) the lateral wall of the mitral port (The fully open valve tip position is at wall location approximately 16 mm.), (b) the medial wall of the mitral port (The fully open valve tip position is at wall location approximately 8 mm.), (c) the medial wall of the aortic port, and (d) the lateral wall of the aortic port of the 50 cc Penn State artificial heart
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The vorticity maps of the mitral port area from 430, 440, 450, 460, 470, and 500 ms for the 50 cc Penn State artificial heart  
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The velocity and vorticity maps of the right wall from 100 and 200 ms for the 50 cc Penn State artificial heart. (Note: The size of area is 30×30 mm.)
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The chamber’s average wall shear rate in time series in the beat cycle from (a) the right wall, (b) the bottom wall, (c) the left wall, and (d) the upper wall of the 50 cc Penn State artificial heart    
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The velocity and vorticity maps of the bottom wall from time 200 and 300 ms for the 50 cc Penn State artificial heart. (Note: The size of area is 30×30 mm.)  
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Qualitative summary of wall shear rates within the 50 cc Penn State artificial heart during diastole and systole

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