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Search Publications by: Daniel S. Hussey (Fed)

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Displaying 176 - 200 of 204

Neutron Collimation With Microchannel Plates: Calibration of Existing Technology and Near

April 1, 2007
Author(s)
A S. Tremsin, Daniel S. Hussey, David L. Jacobson, Muhammad D. Arif, Robert Gregory Downing, W B. Feller, David F. Mildner
A new type of high performance and compact neutron collimator can be manufactured from Gd- or B-doped microchannel plates (MCPs). Structures only a few mm thick have very narrow rocking curves and high out-of-angle rejection ratios, as observed previously

Feasibility of Coded Source Neutron Transmission Tomography

January 1, 2007
Author(s)
Kevin Coakley, Daniel S. Hussey
In a simulation experiment, we study the feasibility of coded source neutron transmission tomography for imaging water density in fuel cells at the NIST neutron imaging facility. In standard two-dimensional transmission tomography, one reconstructs a

PEM Fuel Cell Membrane Hydration Measurement by Neutron Imaging

November 8, 2006
Author(s)
D J. Ludlow, M K. Jensen, C M. Calebrese, G A. Eisman, S Yu, C Dannehy, Daniel S. Hussey
Neutron scattering experiments on a proton exchange membrane fuel cell wereperformed to assess the ability to quantify water in the membrane and electrode/gas diffusion layers. Previous studies have shown that liquid water is easily resolved within flow

Polarized 3 He spin filters in neutron scattering

January 1, 2005
Author(s)
Thomas R. Gentile, E Babcock, J A. Borchers, W C. Chen, Daniel S. Hussey, G L. Jones, W T. Lee, C F. Majkrzak, K V. O'donovan, W M. Snow, X Tong, S Te velthuis, T G. Walker, H Yan