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Liquid Proof-Mass Accelerometer Equilibrium Analysis and Feasibility Study

This progress report explores the equilibrium analysis of a liquid proof-mass accelerometer, leveraging classical ideal gas law principles alongside comparisons with a spring-mass system. The design features dimensions of 10mm by 10mm by 2mm and utilizes air as the damping medium and deionized water as the moving liquid. Future work entails proving feasibility by calculating maximum liquid displacement and estimating flow rates, compared to the CNT flow sensor project.

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Liquid Proof-Mass Accelerometer Equilibrium Analysis and Feasibility Study

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  1. Progress Report July 2, 2010 Yu ZHANG Directed by Prof. Wen J. LI

  2. Liquid Proof-mass Accelerometer

  3. Equilibrium Analysis Suppose at equilibrium state: From the classical ideal gas law:

  4. Comparisons with Spring-Mass System 2nd order conditionally 4th order 2nd order

  5. Feasibility • Presumption: • Overall size: 10mm by 10mm by 2mm • Damping medium: air • Moving liquid: DI water • Future work to prove feasibility: • Calculate the maximum liquid displacement may achieve • Estimate the maximum flow rate, and compare to previous values in the CNT flow sensor project

  6. Proposed Layouts

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