Abstract
Abstract: Simultaneous measurements of compressional and shear wave speeds through polycrystalline methane hydrate have been made. Methane hydrate, grown directly in a wave speed measurement chamber, was uniaxially compacted to a final porosity below 2%. At 277 K, the compacted material had a compressional wave speed of 3,650 ± 50 m/s. The shear wave speed, measured simultaneously, was 1,890 ± 30 m/s. From these wave speed measurements, we derive Vp/Vs, Poisson's ratio, bulk, shear, and Young's moduli.
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Schedule a callMore From: Annals of The Lyceum of Natural History of New York
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