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Analytical and Numerical Modeling of Sensor Port AcousticsThe purpose of this Technical Publication (TP) is to provide background, relevant theory, and examples for acoustic response analysis of a sensor port. A new approach is devised theoretically and computationally that captures the true acoustic response of a sensor port. This TP summarizes the acoustics back-ground, the port response theoretical development, and provides comparisons of a port acoustic response using an analytical model and computational acoustics. The effects of nonlinear acoustics and acoustic propagation in liquids is also examined. Additionally, this TP describes the design of a specialized filter using the predicted sensor port response that can be applied to data for correction.
Document ID
20210000024
Acquisition Source
Marshall Space Flight Center
Document Type
Technical Publication (TP)
Authors
M J Casiano (Marshall Space Flight Center Redstone Arsenal, Alabama, United States)
Date Acquired
January 4, 2021
Publication Date
May 1, 2021
Publication Information
Subject Category
Acoustics
Report/Patent Number
NASA/TP-20210000024
M-1515
Funding Number(s)
WBS: 981698.01.04.62.11.10
Distribution Limits
Public
Copyright
Public Use Permitted.
Technical Review
NASA Technical Management
Keywords
sensor port
sensor port acoustics
sensor port resonance
sensor port design
sensor port frequency response
sensor port analytic modeling
sensor port numerical modeling
sensor standoff
sensor offset
sensor recess

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