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a/dissertation_main.bbl b/dissertation_main.bbl new file mode 100644 index 0000000..b75f02d --- /dev/null +++ b/dissertation_main.bbl @@ -0,0 +1,61 @@ +\providecommand{\bysame}{\leavevmode\hbox to3em{\hrulefill}\thinspace} +\providecommand{\MR}{\relax\ifhmode\unskip\space\fi MR } +% \MRhref is called by the amsart/book/proc definition of \MR. +\providecommand{\MRhref}[2]{% + \href{http://www.ams.org/mathscinet-getitem?mr=#1}{#2} +} +\providecommand{\href}[2]{#2} +\begin{thebibliography}{10} +\interlinepenalty=10000 + +\bibitem{tp100technical} +PBS Aerospace, \emph{Basic technical information turboprop engine tp100}, April + 2015. + +\bibitem{doi:10.2514/6.2018-4984} +Cheryl~L. Bowman, Ty~V. Marien, and James~L. Felder, \emph{Turbo- and + hybrid-electrified aircraft propulsion for commercial transport}, 2018. + +\bibitem{TurboelectricAS} +Johnathan Burgess, Timothy Runnels, Joshua Johnsen, Joshua Drake, and Kurt + Rouser, \emph{Experimental comparison of direct and active throttle control + of a 7 kw turboelectric power system for unmanned aircraft}, Applied Sciences + \textbf{11} (2021), no.~22. + +\bibitem{faa_engines} +FAA, \emph{Aircraft engines}, Federal Aviation Administration, 2024. + +\bibitem{nasa_prop_overview} +Ralph Jansen, \emph{Overview of nasa electrified aircraft propulsion + activities}, NASA Glenn Research Center, 2017. + +\bibitem{CessnaASME} +Joshua Johnsen, Joshua Melvin, Joshua Drake, Muwanika Jdiobe, and Kurt Rouser, + \emph{Experimental evaluation of an electric powertrain designed for a 180-kw + turboelectric aircraft ground test rig}, Journal of Engineering for Gas + Turbines and Power \textbf{146} (2024). + +\bibitem{EoPGTR2} +Jack Mattingly and Hans von Obain, \emph{Elements of propulsion: Gas turbines + and rockets 2nd edition}, AIAA, 2016. + +\bibitem{MelvinThesis} +Joshua Melvin, \emph{Integration and evaluation of a 180-kw turboprop engine + with a turboelectric ground test rig}, Master's thesis, OKLAHOMA STATE + UNIVERSITY, May 2021. + +\bibitem{melvincessna} +Joshua Melvin and Kurt Rouser, \emph{Development of a turboelectric ground + test-rig by installation of a 180-kw turboprop onto a cessna-172}, no. + 2024-0137, AIAA, 2024. + +\bibitem{nasa_turbojet} +NASA, \emph{Turbojet engine}, NASA Glenn Research Center, 2017. + +\bibitem{hybrid_trends} +Manuel Rendón, Carlos Sánchez, Josselyn Gallo~Muñoz, and Alexandre Anzai, + \emph{Aircraft hybrid-electric propulsion: Development trends, challenges and + opportunities (https://rdcu.be/cmg4u)}, Sba Controle \& Automação Sociedade + Brasileira de Automatica (2021). + +\end{thebibliography} diff --git a/dissertation_main.blg b/dissertation_main.blg new file mode 100644 index 0000000..8f72c49 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10000 (max. 10000000) + diff --git a/dissertation_main.lot b/dissertation_main.lot new file mode 100644 index 0000000..3719618 --- /dev/null +++ b/dissertation_main.lot @@ -0,0 +1,8 @@ +\addvspace {10\p@ } +\addvspace {10\p@ } +\addvspace {10\p@ } +\contentsline {table}{\numberline {1}{\ignorespaces Configuration One Power System Components}}{9}{}% +\contentsline {table}{\numberline {2}{\ignorespaces Configuration One Data Acquisition Components}}{10}{}% +\contentsline {table}{\numberline {3}{\ignorespaces Configuration One Test Matrix}}{11}{}% +\addvspace {10\p@ } +\addvspace {10\p@ } diff --git a/dissertation_main.pdf b/dissertation_main.pdf index dc1a5d5..cfb2668 100644 Binary files a/dissertation_main.pdf and b/dissertation_main.pdf differ diff --git a/dissertation_main.toc b/dissertation_main.toc new file mode 100644 index 0000000..8e79d08 --- /dev/null +++ b/dissertation_main.toc @@ -0,0 +1,26 @@ +\renewcommand {\cftchapleader } {\cftdotfill {4.5}} +\contentsline {chapter}{\numberline {I}INTRODUCTION}{1}{}% +\contentsline {chapter}{\numberline {II}BACKGROUND}{3}{}% +\contentsline {section}{\numberline {2.1}Turbine Engines}{3}{}% +\contentsline {section}{\numberline {2.2}Generator Theory}{7}{}% +\contentsline {section}{\numberline {2.3}Battery Theory}{7}{}% +\contentsline {section}{\numberline {2.4}Turboelectric Theory}{7}{}% +\contentsline {section}{\numberline {2.5}Previous Work}{8}{}% +\contentsline {chapter}{\numberline {III}METHODOLOGY}{9}{}% +\contentsline {section}{\numberline {3.1}General Aircraft System}{9}{}% +\contentsline {section}{\numberline {3.2}Configuration One}{9}{}% +\contentsline {subsection}{\numberline {3.2.1}Data Acquisition}{10}{}% +\contentsline {subsection}{\numberline {3.2.2}Experimental Procedure}{11}{}% +\contentsline {section}{\numberline {3.3}Configuration Two}{13}{}% +\contentsline {subsection}{\numberline {3.3.1}Data Acquisition}{13}{}% +\contentsline {subsection}{\numberline {3.3.2}Experimental Procedure}{13}{}% +\contentsline {chapter}{\numberline {IV}RESULTS}{14}{}% +\contentsline {section}{\numberline {4.1}Configuration One}{14}{}% +\contentsline {subsection}{\numberline {4.1.1}Turboprop Engine Data}{14}{}% +\contentsline {subsection}{\numberline {4.1.2}Electrical System Performance}{15}{}% +\contentsline {subsection}{\numberline {4.1.3}Electronic Speed Controller Failure}{17}{}% +\contentsline {section}{\numberline {4.2}Configuration Two}{19}{}% +\contentsline {chapter}{\numberline {V}CONCLUSION, RECOMMENDATIONS, AND FUTURE WORK}{20}{}% +\contentsline {section}{\numberline {5.1}Configuration One}{20}{}% +\contentsline {chapter}{REFERENCES}{22}{}% +\contentsline {chapter}{APPENDICES}{24}{}% diff --git a/introduction.tex b/introduction.tex index 8344350..58879b3 100644 --- a/introduction.tex +++ b/introduction.tex @@ -5,8 +5,22 @@ \vspace*{-16pt}% Insert needed vertical retraction \chapter[INTRODUCTION]{INTRODUCTION}\label{chap:intro} \endgroup +Motivation +Objectives +Questions Answered - +However, there is a distinct lack of practical knowledge +associated with the physical construction of such systems. More +public research in constructing distributed hybrid turbo-electric +aircraft is needed. This paper addresses the knowledge gap by +detailing the real-world implementation of electrical systems, +safety systems, experimental results, and mechanical–electrical +powertrain interactions. These objectives are accomplished specifically through +a relatively low voltage electrical system comprised of a pulley coupled generator, battery, distributed propulsors, and requsite mechanisms to enable safe operation. A second electrical configuration was implemented into the Cessna test rig \cite{melvincessna}to observe the transient performance of the mechainical elements of a turboelectic powertrain. +\par +The multifaceted nature of this work presents a unique opportunity to compare the disperate effects of two electrical configurations on the mechanical systems common to both, in addition to what has been gathered from their individual operation. Configuration one is more representative of real hybrid turboelectric aircraft by nature of its use of a battery and accompanying safety mechanisms, distributed propulsion, and full integration into an airframe. Thus, the results obtained from configuration one provides insight into the benefits afforded to hybrid turboelectric systems by the inclusion of batteries, the considerations necessarry to safely use these batteries, and the increased takeoff performance of electrically augmented aircraft. Configuration two presents a worst case scenario +\par +All sections pertaining to configuration one are recapitulated from research originally funded by the FAA and eventually published in ASME's Journal of Engineering for Gas Turbines and Power \cite{CessnaASME}. Similarly, sections over configuration two cover research funded by NASA. The author is pursuing publication of this work for presentation at ASME's 2025 Turboexpo Conference. % \begin{figure} % \centering % \includegraphics[width=3in]{pistolpete} diff --git a/references.bib b/references.bib index 316eb8b..fd4814f 100644 --- a/references.bib +++ b/references.bib @@ -98,6 +98,6 @@ doi = {10.1007/s40313-021-00740-x} year = {2024}, organization = {AIAA}, URL = {https://arc.aiaa.org/doi/10.2514/6.2024-0137}, - title = {evelopment of a Turboelectric Ground Test-Rig by Installation of a 180-KW Turboprop Onto a Cessna-172}, + title = {Development of a Turboelectric Ground Test-Rig by Installation of a 180-KW Turboprop Onto a Cessna-172}, number= {2024-0137}, } -- cgit v1.2.3