Search Results - "Altobelli, S A"

Helicopter-borne NMR for detection of oil under sea-ice by Altobelli, S.A., Conradi, Mark S., Fukushima, E., Hodgson, J., Nedwed, T.J., Palandro, D.A., Peach, A., Sowko, N.J., Thomann, H.

“…Mobile nuclear magnetic resonance (NMR) operating in Earth's magnetic field is adapted to detect leaked or spilled oil trapped in or under sea ice without the…”
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non-invasive measurements of granular flows by magnetic resonance imaging by NAKAGAWA, M, ALTOBELLI, S. A, CAPRIHAN, A, FUKUSHIMA, E, JEONG, E.-K

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A PGSE study of propane gas flow through model porous bead packs by Codd, S.L., Altobelli, S.A.

“…We present a study of the probability density for molecular displacements of gas flowing through bead packs. The three bead packs to be described are composed…”
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Examination of stochastic dispersion theory by MRI in aperiodic porous media by Irwin, N. C., Greenkorn, R. A., Altobelli, S. A., Cushman, J. H.

“…Magnetic resonance imaging techniques were applied to obtain concentration and velocity field measurements during flow in an aperiodic heterogeneous porous…”
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Aortic input impedance in normal man: relationship to pressure wave forms by Murgo, J P, Westerhof, N, Giolma, J P, Altobelli, S A

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NMR measurements of flow profiles in a coarse bed of packed spheres by Feinauer, A., Altobelli, S.A., Fukushima, E.

“…The velocity profiles of water flowing in a circular pipe filled with coarse, uniform, spherical beads, as well as the evolution of velocity profiles from…”
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Concentration and velocity field measurements by magnetic resonance imaging in aperiodic heterogeneous porous media by Irwin, N.C., Altobelli, S.A., Greenkorn, R.A.

“…Magnetic resonance imaging (MRI) techniques were investigated as a means to obtain concentration and velocity field measurements for the verification of a…”
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A programmable pre-emphasis system by Gach, H M, Lowe, I J, Madio, D P, Caprihan, A, Altobelli, S A, Kuethe, D O, Fukushima, E

“…MRI systems often use magnetic field gradient and shim pulse-shaping networks (pre-emphasis) to correct for magnetic field distortions caused by eddy currents…”
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Examination of transport theory of arbitrary order in velocity variance by MRI by Irwin, N. C., Greenkorn, R. A., Altobelli, S. A., Cushman, J. H.

“…An experimental study was carried out to determine if velocity imaging techniques could be applied to evaluate the closure scheme of a recursive perturbation…”
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NMR Imaging of Hydrodynamics Near Microbially Colonized Surfaces by Lewandowski, Z, Altobelli, SA, Majors, P D, Fukushima, E

“…Nuclear magnetic resonance imaging (NMRI) was used to study fluid flow in a model flow bioreactor as a function of biofilm formation. NMRI in which the phase…”
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NMR studies of hydrocarbon gas flow and dispersion by Koptyug, I. V., Matveev, A. V., Altobelli, S. A.

“…It is demonstrated that nuclear magnetic resonance (NMR) flow imaging on the basis of phase encoding of flow velocities as well as NMR flow tagging can be…”
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NMR imaging experiments for the verification of stochastic transport theory by Irwin, N.C., Altobelli, S.A., Cushman, J.H., Greenkorn, R.A.

“…Nuclear magnetic resonance (NMR) imaging techniques were investigated as a means to obtain velocity field measurements for the verification of a stochastic…”
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Particle Migration Rates in a Couette Apparatus by Hsiao, S.-C., Christensen, D., Ingber, M.S., Mondy, L.A., Altobelli, S.A.

“…Bulk migration of particles towards regions of lower shear occurs in suspensions of neutrally buoyant spheres in Newtonian fluids undergoing creeping flow in…”
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Effects of Exercise on Aortic Input Impedance and Pressure Wave Forms in Normal Humans by MURGO, JOSEPH P, WESTERHOF, NICO, GIOLMA, JOHN P, ALTOBELLI, STEPHEN A

“…The effects of supine bicycle exercise on the input impedance of the ascending aorta were studied in thirteen male subjects undergoing cardiac catheterization,…”
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Manipulation of ascending aortic pressure and flow wave reflections with the Valsalva maneuver: relationship to input impedance by Murgo, J P, Westerhof, N, Giolma, J P, Altobelli, S A

“…Dramatic changes in the shape of pulsatile ascending aortic pressure and flow wave forms occur during the Valsalva maneuver in man. To study these changes,…”
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An experimental study of coronary artery fluid mechanics by Altobelli, S A, Nerem, R M

“…Preserved baboon and canine hearts were perfused using an in-vitro pulsatile flow system. Flow rate and pulsation frequency were controlled, and velocity…”
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A new method for flow velocity measurement: frequency encoded NMR by Caprihan, A, Davis, J G, Altobelli, S A, Fukushima, E

“…We demonstrate a new rapid NMR method to measure the average velocity and the velocity distribution of a flowing fluid. We use a truncated…”
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NMRI study : axial migration of radially segregated core of granular mixtures in a horizontal rotating cylinder by NAKAGAWA, M, ALTOBELLI, S. A, CAPRIHAN, A, FUKUSHIMA, E

“…Three-dimensional structures of heterogeneous mixtures of granular particles were studied using nuclear magnetic resonance imaging (NMRI). A mixture of…”
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Chemically selective NMR imaging of a 3-component (solid–solid–liquid) sedimenting system by Beyea, Steven D, Altobelli, Stephen A, Mondy, Lisa A

“…A novel magnetic resonance imaging (MRI) technique which resolves the separate components of the evolving vertical concentration profiles of 3-component…”
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Rapid average-flow velocity measurement by NMR by Altobelli, S A, Caprihan, A, Davis, J G, Fukushima, E

“…We describe an NMR method to make a quick determination of average fluid velocity by monitoring the change in phase of the magnetization during a transient…”
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