Obtaining true diffusivity constant
作者： Daniel Bauer , Michael Otter , Benjamin Stevens
DOI:
关键词: Thermal diffusivity 、 Materials science 、 Diffusion (business) 、 Speed of sound 、 Fluid exchange 、 Tissue sample 、 Mass diffusivity 、 Tissue Preparation 、 Penetration (firestop) 、 Biological system
摘要: The subject disclosure presents systems and computer-implemented methods for calculating the diffusivity constant of a sample using acoustic time-of-flight (TOF) based information correlated with diffusion model to reconstruct sample's coefficient. Operations disclosed herein such as acoustically determining phase differential accumulated through passive fluid exchange (i.e. diffusion) on geometry tissue sample, modeling impact TOF, post-processing algorithm correlate results determine constant, are enabled by monitoring changes in speed sound caused penetration fixative formalin into several samples. A preparation system may be adapted monitor said an optimal processing workflow.
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