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Author:

TURHAN, AHMET

Title:

INDIVIDUAL AND COUPLED EFFECTS OF FLOW FIELD GEOMETRY, INTERFACE AND MATERIAL PROPERTIES ON LIQUID WATER STORAGE AND FLOODING IN A POLYMER ELECTROLYTE FUEL CELL

Graduate Program:

Mechanical Engineering

Keywords:

polymer electrolyte
fuel cell
neutron imaging
liquid storage
two phase flow
flow field

File:

Download PhD_GRADUATE_SCHOOL_SUBMISSION.pdf

Committee Members:

Clinton Matthew Mench, Dissertation Advisor/Co-Advisor
Matthew M Mench, Committee Chair/Co-Chair
Jack Brenizer Jr., Committee Member
Fan Bill B Cheung, Committee Member
John Michael Regan, Committee Member

Author:

Kim, Byungsoo

Title:

Development of Macrosegregation During Solidification of Binary Metal Alloys

Graduate Program:

Mechanical Engineering

Keywords:

solidification
alloy
macrosegregation

File:

Download BK_Thesis.pdf

Committee Members:

Dhyshyanthan Sathianathan, Committee Member
Robert Carl Voigt, Committee Member
Fan Bill B Cheung, Committee Chair/Co-Chair
Stefan Thynell, Committee Member

Author:

Shaffer, Christian Edward

Title:

Advanced Membrane Electrode Assemblies for Fuel and Water Management in Direct Methanol Fuel Cells

Graduate Program:

Mechanical Engineering

Keywords:

Direct Methanol Fuel Cell
Membrane Electrode Assembly
Fuel Management
Water Management
Membrane

File:

Download ShafferC_Dissertation.pdf

Committee Members:

C Y Wang, Dissertation Advisor/Co-Advisor
Chao Yang Wang, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Robert John Santoro, Committee Member
Ali Borhan, Committee Member

Author:

Bapat, Chaitanya Jayant

Title:

ANISOTROPIC HEAT CONDUCTION EFFECTS IN PROTON EXCHANGE MEMBRANE FUEL CELLS

Graduate Program:

Mechanical Engineering

Keywords:

fuel cells
PEM
Anisotropy
two phase

File:

Download Thesis.pdf

Committee Members:

Stefan Thynell, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Panagiotis Michaleris, Committee Member
Serguei Lvov, Committee Member

Author:

Hussaini, Irfan Saif

Title:

Experimental Study of Transient Dynamics of PEM Fuel Cells

Graduate Program:

Mechanical Engineering

Keywords:

relative permeability of diffusion media
water management
transient dynamics
visualization

File:

Download thesis.pdf

Committee Members:

Prof C Y Wang, Dissertation Advisor/Co-Advisor
Chao Yang Wang, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Stefan Thynell, Committee Member
Jun Huang, Committee Member

Author:

Moore, Jeffrey David

Title:

Flame-spreading phenomena in a head-end fin-slot segment of a subscale motor simulating the space shuttle boosters

Graduate Program:

Mechanical Engineering

Keywords:

flame-spreading
fin-slot motor
head-end segment
RSRM

File:

Download Jeff_Dissertation.pdf

Committee Members:

Kenneth K Kuo, Committee Chair/Co-Chair
Andre Louis Boehman, Committee Member
Fan Bill B Cheung, Committee Member
Gita Talmage, Committee Member
Richard A Yetter, Committee Member

Author:

Yang, Jun

Title:

Development of Heat Transfer Enhancement Techniques for External Cooling of an Advanced Reactor Vessel

Graduate Program:

Mechanical Engineering

Keywords:

CHF
two-phase flow
microporous coating
boiling heat transfer enhancement techniques
downward facing boiling
nucleate boiling

File:

Download JunYangDST.pdf

Committee Members:

Fan Bill B Cheung, Committee Chair/Co-Chair
Horacio Perez Blanco, Committee Member
Stefan Thynell, Committee Member
John Harlan Mahaffy, Committee Member
Dhushy Sathianathan, Committee Member
H Joseph Sommer Iii, Committee Member

Author:

Tajiri, Kazuya

Title:

Startup Characteristics of Polymer Electrolyte Fuel Cells under Subzero Temperatures

Graduate Program:

Mechanical Engineering

Keywords:

polymer electrolyte fuel cell
cold start
automotive

File:

Download dissertation_kazuya_tajiri.pdf

Committee Members:

Chao Yang Wang, Committee Chair/Co-Chair
Stefan Thynell, Committee Member
Fan Bill B Cheung, Committee Member
Evangelos Manias, Committee Member

Author:

Mao, Leng

Title:

MODELING COLD START OF POLYMER ELECTROLYTE FUEL CELLS

Graduate Program:

Mechanical Engineering

Keywords:

fuel cell
model
subzero
cold start

File:

Download Thesis-final.pdf

Committee Members:

Stefan Thynell, Committee Member
Long Qing Chen, Committee Member
Chao Yang Wang, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member

Author:

Habte, Melaku

Title:

Thermal Hydraulic Analysis of Two Phase Closed thermosyphon Cooling System for New Cold Neutron Source Moderator of Breazeale Research Reactor at Penn State

Graduate Program:

Mechanical Engineering

Keywords:

Dryout Temperature
Two-phase CFD Modeling
FLUENT
Cold Neutron Source
Moderator Cooling
Nucleate Boiling
CFD
Two-Phase Heat Transfer
Two-Phase Closed Thermosyphon
Cryogenic Temperatrure
Thermodynamics of Thermosyphon
Liquid Neon Cooling

File:

Download MelakuHabteDissertation2008.pdf

Committee Members:

Savas Yavuzkurt, Committee Chair/Co-Chair
Kenan Unlu, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
John Harlan Mahaffy, Committee Member
Xiantao Li, Committee Member

Author:

Chuang, Po-Ya Abel

Title:

An Improved Steady-State Model of Loop Heat Pipes Based on Experimental and Theoretical Analyses

Graduate Program:

Mechanical Engineering

Keywords:

loop heat pipe
heat pipe
capillary pumped loop
two-phase heat transfer
two-phase fluid flow
heat tranfer
thermal management

File:

Download Thesis_Po_Ya_Chuang.pdf

Committee Members:

John Michael Cimbala, Committee Chair/Co-Chair
Jack Brenizer Jr., Committee Chair/Co-Chair
Ralph Webb, Committee Member
Fan Bill B Cheung, Committee Member
Triem T Hoang, Committee Member

Author:

Mukherjee, Partha Pratim

Title:

PORE-SCALE MODELING AND ANALYSIS OF THE POLYMER ELECTROLYTE FUEL CELL CATALYST LAYER

Graduate Program:

Mechanical Engineering

Keywords:

Polymer Electrolyte Fuel Cell
Catalyst Layer
Transport
Pore-Scale Modeling
Macroscopic Analysis

File:

Download Thesis_Partha_P._Mukherjee.pdf

Committee Members:

Chao Yang Wang, Committee Chair/Co-Chair
Long Qing Chen, Committee Member
Fan Bill B Cheung, Committee Member
Daniel Connell Haworth, Committee Member

Author:

Sridharan, Arunkumar

Title:

Modeling of Inverted Annular Film Boiling Using an Integral Method

Graduate Program:

Mechanical Engineering

Keywords:

Reactor Safety
Two-Phase heat transfer
Inverted Annular Film Boiling
Modeling of Two-Phase flows
Integral Method

File:

Download Arunkumar_Sridharan-Dissertation.pdf

Committee Members:

Dr L E Hochreiter, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Chair/Co-Chair
Anil Kamalakant Kulkarni, Committee Member
Thomas Fu Yuan Lin, Committee Member

Author:

Basu, Suman

Title:

CHANNEL TWO-PHASE FLOW AND PHASE CHANGE IN POLYMER ELECTROLYTE FUEL CELLS

Graduate Program:

Mechanical Engineering

Keywords:

Channel Flow
Phase Change
Two-Phase flow
PEFC

File:

Download thesis_suman_new.pdf

Committee Members:

Chao Yang Wang, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Daniel Connell Haworth, Committee Member
Turgay Ertekin, Committee Member

Author:

He, Suhao

Title:

MODELING OF FROST HEAVE DURING FREEZING IN POLYMER ELECTROLYTE FUEL CELLS

Graduate Program:

Mechanical Engineering

Keywords:

degradation
Stefan problem
porous media flow
polymer electrolyte fuel cells
unfrozen water flow
frost heave modeling
MEMS
sensor
temperature measurement

File:

Download SuhaoHE_PHD_Thesis_Final.pdf

Committee Members:

Matthew M Mench, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Daniel Connell Haworth, Committee Member
Patrick M Reed, Committee Member

Author:

Kim, Soowhan

Title:

PHYSICAL DAMAGE OF POLYMER ELECTROLYTE FUEL CELLS SUBJECT TO FREEZING

Graduate Program:

Mechanical Engineering

Keywords:

Water transport
Freeze damage
Polymer electrolyte fuel cell
Thermo-osmosis
Phase-change induced flow

File:

Download Thesis_SoowhanKim_1124.pdf

Committee Members:

Matthew M Mench, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Stephen R Turns, Committee Member
Michael Anthony Hickner, Committee Member

Author:

Goverapet Srinivasan, Sriram

Title:

DEVELOPMENT OF A WET GRID MODEL FOR TWO – PHASE DISPERSED FLOW FILM BOILING PHENOMENA

Graduate Program:

Mechanical Engineering

Keywords:

LOCA
Wet Grid Phenomena
Dispersed flow
Grid Enhanced Heat Transfer

File:

Download Sriram_MS_Thesis_final.pdf

Committee Members:

Fan Bill B Cheung, Thesis Advisor/Co-Advisor
Fan Bill B Cheung, Thesis Advisor/Co-Advisor

Author:

Pasaogullari, Ugur

Title:

TWO-PHASE TRANSPORT AND PREDICTION OF FLOODING IN POLYMER ELECTROLYTE FUEL CELLS

Graduate Program:

Mechanical Engineering

Keywords:

PEFC
flooding
two-phase
GDL
MPL
modeling

File:

Download pasaogullari_2005d.pdf

Committee Members:

Chao Yang Wang, Committee Chair/Co-Chair
Ali Borhan, Committee Member
Fan Bill B Cheung, Committee Member
Matthew M Mench, Committee Member

Author:

Fang, Weifeng

Title:

FUNDAMENTAL MODELING THE PERFORMANCE AND DEGRADATION OF HEV LI-ION BATTERY

Graduate Program:

Mechanical Engineering

Keywords:

Li-ion battery
HEV
degradation
modeling

File:

Download WeifengFangDissertation0616.pdf

Committee Members:

Chao Yang Wang, Dissertation Advisor/Co-Advisor
Chao Yang Wang, Committee Chair/Co-Chair
Long Qing Chen, Committee Member
Fan Bill B Cheung, Committee Member
Christopher Rahn, Committee Member

Author:

Chang, Yi-Ping

Title:

COMBUSTION BEHAVIOR OF HAN-BASED LIQUID PROPELLANTS

Graduate Program:

Mechanical Engineering

Keywords:

pressure exponents.
burning rate controlling mechanisms
decomposition
autocatalytic
pyrolysis
propellants
hydroxylammonium nitrate
combustion

File:

Download THESIS.pdf

Committee Members:

Harold Harris Schobert, Committee Member
Fan Bill B Cheung, Committee Member
Kenneth K Kuo, Committee Chair/Co-Chair
Stefan Thynell, Committee Member
Thomas Litzinger, Committee Member

Author:

Riley, Michael Patrick

Title:

Development of a Correlation for Nucleate Boiling Heat Flux on a Hemispherical Downward Facing Surface

Graduate Program:

Mechanical Engineering

Keywords:

Nucleate Boiling
Critical Heat Flux
Pool Boiling
Heat Transfer
Buoyancy Driven Flow
Buoyancy Driven Heat Transfer

File:

Download Michael_Riley_Final_Thesis.pdf

Committee Members:

Fan Bill B Cheung, Thesis Advisor/Co-Advisor

Author:

Martin, Heath Thomas

Title:

Assessment of the Performance of Ablative Insulators under Realistic Solid Rocket Motor Operating Conditions

Graduate Program:

Mechanical Engineering

Keywords:

solid rocket motor
ablation
ablative
heat flux measurement
thermal radiation
radiometer
x-ray radiography

File:

Download Dissertation.pdf

Committee Members:

Kenneth K Kuo, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Gita Talmage, Committee Member
Stefan Thynell, Committee Member
Deborah Levin, Committee Member

Author:

Yadav, Mohan Singh

Title:

Interfacial Area Transport Across Vertical Elbows In Air-water Two-phase Flows

Graduate Program:

Mechanical Engineering

Keywords:

Interfacial Area Transport
Two-Phase Flows
Experiments
Flow Restrictions

File:

Download 1-Dissertation_Yadav.pdf

Committee Members:

Seungjin Kim, Dissertation Advisor/Co-Advisor
Seungjin Kim, Committee Chair/Co-Chair
John Michael Cimbala, Committee Member
Fan Bill B Cheung, Committee Member
Philip John Morris, Special Member

Author:

Li, Zhiyu

Title:

Inverted Annular Film Boiling Model Analysis

Graduate Program:

Mechanical Engineering

Keywords:

heat transfer
two-phase heat transfer
inverted annular film boiling
heat transfer
two-phase heat transfer
inverted annular film boiling
heat transfer
two-phase heat transfer
inverted annular film boiling

File:

Download Zhiyu_Li_thesis.pdf

Committee Members:

Fan Bill B Cheung, Thesis Advisor/Co-Advisor

Author:

Ji, Yan

Title:

Low-temperature Operation of Li-ion Batteries for Hybrid and Electric Vehicles

Graduate Program:

Mechanical Engineering

Keywords:

lithium
battery
electrochemistry
modeling
low temperature
electric vehicles

File:

Download YanJi_final.pdf

Committee Members:

Chao Yang Wang, Dissertation Advisor/Co-Advisor
Chao Yang Wang, Committee Chair/Co-Chair
Daniel Connell Haworth, Committee Member
Fan Bill B Cheung, Committee Member
Michael John Janik, Committee Member
Karen Ann Thole, Special Member

Author:

Gorman, Nicolas Stephen

Title:

Experimental Study of Downward Facing Boiling under IVR-ERVC Conditions

Graduate Program:

Mechanical Engineering

Keywords:

IVR
ERVC
Boiling
Two-phase
heat transfer
nucleate boiling

File:

Download gorman_masters_corrected.pdf

Committee Members:

Fan Bill B Cheung, Thesis Advisor/Co-Advisor
Gita Talmage, Thesis Advisor/Co-Advisor

Author:

Kim, Yang-seon

Title:

CALIBRATION OF BUILDING ENERGY SIMULATIONS WITH OCCUPANCY AND PLUG-LOAD SCHEDULES DERIVED FROM METERED BUILDING ELECTRICITY CONSUMPTION

Graduate Program:

Mechanical Engineering

Keywords:

building energy
occupancy
plug-load
building energy calibration
building energy simulation

File:

Download Doctoral_Dissertation_Yang-Seon_Kim_final_1.pdf

Committee Members:

Dr Jelena Srebric, Dissertation Advisor/Co-Advisor
Hosam Kadry Fathy, Committee Chair/Co-Chair
Fan Bill B Cheung, Committee Member
Chinemelu Jidenka Anumba, Special Member

Author:

Riley, Michael Patrick

Title:

Spacer Grid Induced Heat Transfer Enhancement In A Rod Bundle Under Reflood Conditions

Graduate Program:

Mechanical Engineering

Keywords:

Reflood
Dispersed Flow Film Boiling
Spacer Grid
Heat Transfer Enhancement
Two-Phase Flow
Loss of Coolant Accident

File:

Download Michael_Rileys_Dissertation.pdf

Committee Members:

Fan Bill B Cheung, Dissertation Advisor/Co-Advisor
Fan Bill B Cheung, Committee Chair/Co-Chair
Timothy Miller, Committee Chair/Co-Chair
Dr Stephen Bajorek, Committee Member
Savas Yavuzkurt, Committee Member
Cengiz Camci, Committee Member

Author:

Mohanta, Lokanath

Title:

Theoretical and experimental study of inverted annular film boiling and regime transition during reflood transients

Graduate Program:

Mechanical Engineering

Keywords:

Two-phase heat transfer
Subcooled flow film boiling
Regime Transition
Rod bundle
Spacer Grid
Stability of Co-axial jets

File:

Download Lokanath_PhD_Dissertation_Expt_Theory_IAFB_Regime_Transition.pdf

Committee Members:

Fan Bill B Cheung, Dissertation Advisor/Co-Advisor
Fan Bill B Cheung, Committee Chair/Co-Chair
Savas Yavuzkurt, Committee Member
Cengiz Camci, Committee Member
Timothy Francis Miller, Committee Member
Stephen M Bajorek, Special Member