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Author:

Narayanan Nampy, Sreenivas

Title:

Advanced grid-stiffened composite shells for applications in heavy-lift helicopter rotor blade spars

Graduate Program:

Aerospace Engineering

Keywords:

composites
structures
rotor blades
grid-stiffened
grid
spar
heavy-lift rotor blade
buckling
stiffness
strength

File:

Download Sreeni_dissertation.pdf

Committee Members:

Edward C Smith, Dissertation Advisor/Co-Advisor
Edward C Smith, Committee Chair/Co-Chair
Charles E Bakis, Committee Member
Farhan S Gandhi, Committee Member
Clifford Jesse Lissenden Iii, Committee Member

Author:

Kim, Seung Pil

Title:

Optimal Trajectories For Constrained Station Change in Geo Using A Legendre Pseudospectral Method

Graduate Program:

Aerospace Engineering

Keywords:

station change
Legendre pseudospectral methods
low-thrust

File:

Download 1-Seunp_P_Final_2012.pdfDownload Errata_Ph_d__Thesis_Aerospace_Engineering_Aug_2012_Seung_Pil_Kim.pdf

Committee Members:

Robert Graham Melton, Dissertation Advisor/Co-Advisor
Robert Graham Melton, Committee Chair/Co-Chair
David Bradley Spencer, Committee Member
Joseph Francis Horn, Committee Member
Julio Urbina, Committee Member

Author:

Marr, Conor Matthew

Title:

Conceptualization, Modeling, and Characterization of a Cf Driven Multi-State Lead-lag Bypass Damper

Graduate Program:

Aerospace Engineering

Keywords:

Damper
Fluidlastic
Hydraulic
CFD
Modeling
Multi-State
Bypass
Passive Damping
Lead-Lag Damper
Ground Resonance

File:

Download CMarrPhDThesis2012FINAL.pdf

Committee Members:

Edward Smith, Committee Chair/Co-Chair
George A Lesieutre, Dissertation Advisor/Co-Advisor
Cengiz Camci, Committee Member
Christopher Rahn, Special Member

Author:

Saxena, Swati

Title:

The Prediction of Noise and Installation Effects of High-subsonic Dual-stream Jets in Flight

Graduate Program:

Aerospace Engineering

Keywords:

aeroacoustics
subsonic jet noise
dual-stream jets
forward flight
installation effects
turbulence modeling
DES

File:

Download Swati-Dissertation.pdf

Committee Members:

Philip John Morris, Dissertation Advisor/Co-Advisor
Dennis K Mclaughlin, Committee Member
Kenneth Steven Brentner, Committee Member
Victor Ward Sparrow, Committee Member

Author:

Ahn, Young Tae

Title:

Attitude Dynamics and Control of a Spacecraft Using Shifting Mass Distribution

Graduate Program:

Aerospace Engineering

Keywords:

spacecraft attitude dynamics
attitude control
combinatorial optimization theory

File:

Download youngtaeahn_dissertation.pdf

Committee Members:

David Bradley Spencer, Dissertation Advisor/Co-Advisor
Robert Graham Melton, Committee Member
Sven G Bilen, Committee Member
Christopher Rahn, Committee Member

Author:

Tiwari, Chandrashekhar

Title:

Innovative Energy Absorbing Devices Based on Composite Tubes

Graduate Program:

Aerospace Engineering

Keywords:

Energy Absorbing
Extension Twist Coupling
Crush Tubes
Sandwich Core Device
Non-linear Model
Rate Effects
Foam Model

File:

Download Chandrashekhar_Tiwari_PhD_Thesis_AUG_2012_revised.pdf

Committee Members:

Edward C Smith, Dissertation Advisor/Co-Advisor
Charles E Bakis, Dissertation Advisor/Co-Advisor
Edward C Smith, Committee Chair/Co-Chair
Farhan S Gandhi, Committee Member
Reginald Felix Hamilton, Special Member

Author:

Bae, Eui Sung

Title:

The Reduction of Rotorcraft Power and Vibration Using Optimally Controlled Active Gurney Flap

Graduate Program:

Aerospace Engineering

Keywords:

Rotorcraft
Performnce Improvement
vibration Reduction
Gurney flap
MiTEs
microflap
vibration
power

File:

Download ESBae_Dissertation.pdf

Committee Members:

Farhan Gandhi, Dissertation Advisor/Co-Advisor
Edward A Smith, Committee Member
Mark David Maughmer, Committee Member
Christopher Rahn, Committee Member
George A Lesieutre, Committee Member

Author:

Khoshlahjeh Mozafar, Maryam

Title:

Extendable chord rotors for helicopter performance improvement and flight envelope expansion

Graduate Program:

Aerospace Engineering

Keywords:

chord extension
helicopter performance
Trailing Edge Plate
Flight envelope expansion
High lift device
variable rotor speed

File:

Download PhD_thesis_Maryam_Khoshlahjeh.pdf

Committee Members:

Farhan Gandhi, Dissertation Advisor/Co-Advisor
Farhan Gandhi, Committee Chair/Co-Chair
Edward A Smith, Committee Member
Joseph Francis Horn, Committee Member
Timothy Francis Miller, Committee Member

Author:

Kauffman, Jeffrey Lynn

Title:

Vibration Reduction of Integrally Bladed Rotors Using Piezoelectric Materials

Graduate Program:

Aerospace Engineering

Keywords:

resonance frequency detuning
vibration reduction
turbomachinery damping
piezoelectric device
rotating structures

File:

Download KauffmanPhD.pdf

Committee Members:

George A Lesieutre, Dissertation Advisor/Co-Advisor
George A Lesieutre, Committee Chair/Co-Chair
Stephen Clarke Conlon, Committee Member
Joseph Paul Cusumano, Committee Member
Eric M Mockensturm, Committee Member
Kirsten P Duffy, Special Member
Heath F Hofmann, Special Member

Author:

Malovrh, Brendon

Title:

Non-harmonic Root-pitch Individual-blade Control for the Reduction of Blade-vortex Interaction Noise in Rotorcraft

Graduate Program:

Aerospace Engineering

Keywords:

Blade-Vortex Interaction
BVI
noise
acoustic
helicopter

File:

Download MalovrhDissertationFinal.pdf

Committee Members:

Dr Farhan Gandhi, Dissertation Advisor/Co-Advisor
Dr Farhan Gandhi, Committee Chair/Co-Chair
Kenneth Steven Brentner, Committee Member
Edward A Smith, Committee Member
Christopher Rahn, Committee Member
George A Lesieutre, Committee Member
Kevin James Noonan, Special Member