ONTO QUANTIFYING UNSTEADY PROPULSION CHARECTERISTICS USING MOMENTUM AND ENERGY CONTROL VOLUME ASSESMENTS

George Loubimov, Michael Kinzel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This work proposes a novel approach to characterize unsteady, undulating propulsion components through evaluating the momentum and energy equations using detailed control volume analyses. Specifically, it is difficult in such conditions to separate thrust from drag as pressure components are inseparable. In general, the goal is to link physical processes to various components in the control volume assessments that are measurable in detailed computational fluid dynamics (CFD) models. The effort utilizes the Method of Manufactured Solutions (MMS) to verify detailed insight can be extracted from the control volume assessments are developed and indicate that the energy equation uniquely highlights lift-work in the energy budget and separating propulsive and drag forces. The effort expands the findings to previously validated CFD studies studying thrust from heaving and pitching foils; results indicate a novel approach to separate the axial force into thrust and drag components. Overall, the results indicate a promising method useful to separate losses from propulsive mechanisms along with novel metrics of efficiencies useful to measuring self-propelling vehicles.

Original languageEnglish (US)
Title of host publicationFluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC)
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791885833
DOIs
StatePublished - 2022
EventASME 2022 Fluids Engineering Division Summer Meeting, FEDSM 2022 - Toronto, Canada
Duration: Aug 3 2022Aug 5 2022

Publication series

NameAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM
Volume1
ISSN (Print)0888-8116

Conference

ConferenceASME 2022 Fluids Engineering Division Summer Meeting, FEDSM 2022
Country/TerritoryCanada
CityToronto
Period8/3/228/5/22

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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