Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Shawn M. Grannell"'
Publikováno v:
ASME 2009 Internal Combustion Engine Division Spring Technical Conference.
Engine-out and post-catalyst emissions of ammonia, hydrocarbons, nitric oxide, carbon monoxide, and nitrous oxide are measured for an ammonia and gasoline dual fueled spark ignition engine. An ordinary three-way catalytic converter can be used to cle
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 130
An overall stoichiometric mixture of air, gaseous ammonia, and gasoline was metered into a single cylinder, variable compression ratio, supercharged cooperative fuel research (CFR) engine at varying ratios of gasoline to ammonia. The engine was opera
Autor:
Emmett N. Leith, Brian G. Hoover, David S. Dilworth, H. Chen, Shawn M. Grannell, Kurt D. Mills
Publikováno v:
Applied optics. 38(8)
A method for simulating conventional time gating in low-coherence optical imaging processes in highly scattering media is given. The method uses monochromatic instead of broadband light, and spatial filtering is substituted for time gating. The proce
Autor:
Brian D. Athey, Emmett N. Leith, Joaquin Lopez, David S. Dilworth, Shawn M. Grannell, Kurt D. Mills
Publikováno v:
Journal of the Optical Society of America. A, Optics, image science, and vision. 19(3)
The method of Fourier optics is applied to the problem of time-gated imaging through scattering media. Tb adapt the problem to this treatment, appropriate alterations are made: The continuous medium is replaced by a cascade of thin scatterers, and a
Autor:
Brian D. Athey, David S. Dilworth, Rizwan Ahmed, Emmett N. Leith, L. Deslauriers, Brian G. Hoover, Shawn M. Grannell
Publikováno v:
Physical Review E. 65
The propagation of scalar waves through random media that provide multiple elastic scattering is considered by derivation of an expression for the angular correlation of the scattered wave amplitudes. Coherent wave transmission is shown to occur thro
Publikováno v:
SPIE Proceedings.
Holographic methods for imaging into scattering volume media are described. The holography is carried out with light that has reduced coherence, either spatial coherence or temporal coherence or both, leading to either confocal imaging or photon migr
Autor:
Marian P. Shih, Shawn M. Grannell
Publikováno v:
SPIE Proceedings.
We used time average holography to study the propagation of transverse standing waves in thin metal rods. Theory predicts that the phase velocity of the standing waves depends on the rod material, cross section geometry, and the driving frequency. Ti
Autor:
Brian G. Hoover, David S. Dilworth, Emmett N. Leith, Kurt D. Mills, Louis Deslaurier, Brian D. Athey, Shawn M. Grannell
Publikováno v:
Applied Optics. 40:2282
With a spatial-filtering method of gating, we explore image formation through scattering media using first-arriving light. Gating times of a few femtoseconds and less are produced, and the resolution at these extremely short gating times is investiga
Conference
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