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METHODS AND ANALYSIS OF MULTIPHASE FLOW AND INTERFACIAL PHENOMENA IN MEDICAL DEVICES

thesis
posted on 22.04.2022, 06:48 by Javad EshraghiJavad Eshraghi

  

Cavitation, liquid slosh, and splashes are ubiquitous in science and engineering. However, these phenomena are not fully understood. Yet to date, we do not understand when or why sometimes the splash seals, and other times does not. Regarding cavitation, a high temporal resolution method is needed to characterize this phenomenon. The low temporal resolution of experimental data suggests a model-based analysis of this problem. However, high-fidelity models are not always available, and even for these models, the sensitivity of the model outputs to the initial input parameters makes this method less reliable since some initial inputs are not experimentally measurable. As for sloshing, the air-liquid interface area and hydrodynamic stress for the liquid slosh inside a confined accelerating cylinder have not been experimentally measured due to the challenges for direct measurement.

History

Degree Type

Doctor of Philosophy

Department

Mechanical Engineering

Campus location

West Lafayette

Advisor/Supervisor/Committee Chair

Pavlos P. Vlachos

Additional Committee Member 2

Arezoo M. Ardekani

Additional Committee Member 3

Sadegh Dabiri

Additional Committee Member 4

Luis Solorio