Effects of oceanic ice cover and density stratification on the propagation of hydroacoustic waves
作者机构：Shanghai Institute of Applied Mathematics and MechanicsSchool of Mechanics and Engineering ScienceShanghai UniversityShanghai200072China China Ship Scientific Research CenterWuxi214082China Shanghai Key Laboratory of Mechanics in Energy EngineeringShanghai200072China
出 版 物：《Journal of Hydrodynamics》 (水动力学研究与进展B辑（英文版）)
年 卷 期：2022年第34卷第6期
页 面：1151-1155页
核心收录：
学科分类：07[理学] 0705[理学-地理学] 070501[理学-自然地理学]
基 金：Projects supported by the National Natural Science Foundation of China(Grant Nos.12272215,11872239) the Innovative Research Foundation of Ship General Performance(Grant No.33122126)
主 题：Ocean ice sheet density stratified fluid hydroacoustic propagation
摘 要：The propagation characteristic of hydroacoustic waves is studied for an ideal compressible two-layer fluid with different densities covered by an elastic ice *** conditions are simplified by adopting linear assumption and then the dispersion relation is *** analysis and visualization of the dispersion relation present the introduction of compressibility leads to the appearance of hydroacoustic wave modes while the density stratification leads to the appearance of interfacial wave *** ice thickness and the density ratio of the two fluid layers increase the wave number and group speed of hydroacoustic waves at the same frequency while the phase speed decreases.
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