Nile University Energy & Modelling Research Group • SESC

Bridging Fundamental Fluids & Acoustics with Industrial Piping Integrity

I am Dr. Mahmoud Shaaban, Ph.D., P.Eng., Assistant Professor of Mechanical Engineering at Nile University and a Licensed Professional Engineer in Ontario, Canada (PEO License #100526097). My research and engineering practice unite fluid-structure interaction (FSI), aeroacoustic resonance, and high-amplitude thermoacoustic energy conversion with ASME power and process piping stress qualification.

Dr. Mahmoud Shaaban, Ph.D., P.Eng.
Mahmoud Shaaban, Ph.D., P.Eng.
Assistant Professor • PEO #100526097
Active P.Eng.
Academic Credentials

Education

Ontario Tech University 2019

Ph.D. in Mechanical Engineering

Ontario Tech University
University of Ontario Institute of Technology, Ontario, Canada

Thesis: Flow-excited acoustic resonance of inline arrangements of cylinders in cross-flow

Supervisor(s): Prof. Dr. A. Mohany
Cairo University 2013

M.Sc. in Mechanical Engineering

Cairo University
Faculty of Engineering, Cairo, Egypt

Thesis: Experimental investigations on a standing-wave thermoacoustic engine

Supervisor(s): Prof. Dr. M. A. Fouad & Prof. Dr. Ehab Abdel-Rahman
Cairo University 2010

B.Sc. in Mechanical Engineering

Cairo University
Faculty of Engineering, Cairo, Egypt
Career Trajectory

Academic & Engineering Appointments

Dual-track leadership spanning university research and teaching alongside licensed industrial engineering practice in North America and Egypt.

Nile University

Assistant Professor, Mechanical Engineering

2022 – Present
Nile University • Cairo / Giza, Egypt

Chairs the Energy and Modelling Research Group at SESC, directs aeroacoustics and vibration research in renewable energy infrastructure, designs and delivers undergraduate courses in Thermal Sciences, Solid Mechanics, and Vibration, and serves as Program Internal Auditor for ABET and NARS 2022 accreditation alignment.

INDUSTRY

Senior Analyst, Process and Piping

2023 – Present
Nile Dynamics Inc. • Remote (Ontario, Canada)

Licensed Professional Mechanical Engineer in Ontario executing ASME B31.3 Process Piping stress analysis, process plant concept designs, thermalhydraulic network verification, and OpenFOAM/ANSYS FEA-based fluid system qualification.

INDUSTRY

Analysis Engineer, Thermalhydraulics and Piping

2020 – 2022
Next Structural Integrity • Ontario, Canada

Performed hydraulic and structural qualification of complex power utility piping systems under ASME Boiler and Pressure Vessel Code (Section III and B31.1), field walkdowns, and vibration/noise mitigation in aging piping networks.

Ontario Tech University

Postdoctoral Research Fellow, Vibration and Fluid-Structure Interaction

2020 – 2021
Ontario Tech University • Ontario, Canada

Conducted subsonic wind tunnel FSI experiments, static and dynamic finite element stress analysis of valves and pipelines, noise-control prototype testing, and numerical simulations of flow-acoustic coupling and pulsating pipeline flows.

INDUSTRY

Engineering Intern, Noise and Vibration

2017
Apple, Inc. • Cupertino, CA, USA

Member of the Noise and Vibration Engineering division conducting ultra-low-noise anechoic measurements on electronic cooling fans, transient/steady-state signal analysis, statistical root-cause diagnostics, and psycho-acoustic user perception studies.

Ontario Tech University

Doctoral Researcher (Ph.D. Candidate)

2014 – 2019
Ontario Tech University • Ontario, Canada

Executed phase-resolved Particle Image Velocimetry (PIV) campaigns, sound transmission evaluations, cooling-fan noise mitigation designs, and flow-excited acoustic resonance experiments with the Aeroacoustics Research Team.

Cairo University

Postgraduate Researcher & R&D Engineer

2010 – 2013
Cairo University & American University in Cairo • Cairo, Egypt

Modeled, built, and experimentally characterized standing-wave thermoacoustic heat engines, harmonic suppression inserts, and PIV flow measurements across Cairo University (2010–2013) and the American University in Cairo (2011–2013), following an earlier research internship on porous-media heat transfer at Freiberg University of Mining and Technology, Germany (2009).

Core Research Domains

Research Pillars & Scientific Focus

Advancing fundamental fluid-structure mechanics, aeroacoustic source theory, and high-amplitude thermoacoustics alongside industrial vibration mitigation.

Explore Laboratory Rigs & Grants →
FSI & VIV SESC • Nile University

Fluid-Structure Interaction & Nonlinear Galloping

Experimental and computational investigation of nonlinear coupling between turbulent wake shedding and multi-degree-of-freedom structural dynamics in inline/side-by-side tube bundles, rectangular cross-sections, and magnetically stiffened bluff bodies.

Engineering Applications
  • Heat exchanger & steam generator tube bundles
  • Low-speed wind energy harvesting via magnetic-elastic galloping
  • Coupled transverse and rotational bluff-body instabilities
Subsonic Wind Tunnels Phase-Resolved PIV Dynamic Force Sensors ANSYS / OpenFOAM
Characterized transverse galloping limit cycles under magnetically-induced nonlinear added stiffness (Journal of Fluids and Structures, 2024).
AEROACOUSTICS SESC • Nile University

Aeroacoustic Resonance & Flow-Sound Synchronization

Spatial mapping of aeroacoustic energy sources and sinks in confined shear layers, axisymmetric shallow cavities, finned cylinders, and coaxial piping junctions formulated through Howe's aeroacoustic energy corollary.

Engineering Applications
  • Axisymmetric & rectangular duct cavities
  • Coaxial gas transport & industrial branch junctions
  • Electronic cooling fans & passive upstream flow spoilers
Microphone & PCB Arrays 3D Vortex Core Reconstruction Howe Energy Corollary LES / CAA
Uncovered spinning dynamics of self-excited azimuthal acoustic modes in cavities (Physics of Fluids, 2024) and coaxial junction source maps (JSV, 2025).
THERMOACOUSTICS SESC • Nile University

High-Amplitude Thermoacoustics & Energy Conversion

Development of experimentally validated nonlinear frameworks capturing minor losses, Rayleigh and jet-driven acoustic streaming, and harmonic energy cascades in high-amplitude thermoacoustic prime movers and refrigerators.

Engineering Applications
  • Waste-heat recovery prime movers
  • Cryogenic & green thermoacoustic refrigeration
  • Resonator harmonic suppression & gas-mixture optimization
High-Amplitude Resonators STDF Flagship Test Rig Nonlinear Eigenvalue Solvers DELTAEC
Principal Investigator on STDF Project 53113 (EGP 1.4M, 2026–2028) modeling nonlinear energy dissipation in high-amplitude thermoacoustic devices.
PIPING DYNAMICS SESC • Nile University

Power Plant Piping Dynamics & Acoustic Fatigue

Root-cause FSI failure diagnostics, acoustic admittance characterization, Helmholtz pulsation damping, and ASME Section III / B31.1 / B31.3 structural qualification for high-energy utility and process piping systems.

Engineering Applications
  • Nuclear & fossil power plant steam line networks
  • Pipeline side-branches & compressor discharge headers
  • Process plant thermalhydraulic & transient surge protection
ASME Sec. III / B31.1 / B31.3 Helmholtz Resonator Arrays Acoustic Admittance Rig FEA Stress Analysis
Established pre-coincidence acoustic resonance design criteria for inline tube banks and passive Helmholtz pulsation suppression for pipelines.
STDF — Science, Technology & Innovation Funding Authority Nile University
STDF Flagship Grant Project ID: 53113 EGP 1,400,000 (2026 – 2028)

Development of an Experimentally-Validated Modeling Framework for Nonlinear Energy Dissipation in High-Amplitude Thermoacoustic Devices

Competitive national research grant developing experimentally validated nonlinear acoustic-thermodynamic models and high-amplitude diagnostic test rigs at Nile University (SESC). Led by Dr. Mahmoud Shaaban as Principal Investigator, establishing coupled experimental and nonlinear computational frameworks to quantify minor losses, acoustic streaming, and harmonic cascades in high-amplitude oscillatory thermoacoustic systems.

Selected Scholarly Output

Featured Peer-Reviewed Articles

Recent articles published in Journal of Sound and Vibration, Physics of Fluids, Journal of Fluids and Structures, and Experiments in Fluids.

View Complete Matrix (42 Publications) →
Peer-Reviewed Journal Aeroacoustics
2025

Acoustic resonance excitation and source mapping in co-axial piping systems with different junction edge geometries

A. Mohany , O. Hammad , H. Kishawy , M. Hassan , M. Shaaban
Journal of Sound and Vibration , Vol. 615 , pp. 119163
Peer-Reviewed Journal Aeroacoustics
2024

Spinning dynamics of self-excited azimuthal acoustic modes in cavities

M. Shaaban , R. Noufal , M. Alziadeh , A. Mohany
Physics of Fluids , Vol. 36 , pp. 075197
Peer-Reviewed Journal Fluid-Structure Interaction
2024

Influence of magnetically-induced nonlinear added stiffness on the lift galloping of square cylinders at low Reynolds number

M. Rashed , M. Shaaban
Journal of Fluids and Structures , Vol. 124 , pp. 104046
Peer-Reviewed Journal Aeroacoustics
2022

Flow-acoustic coupling around rectangular rods of different aspect ratios and incidence angles

M. Shaaban , A. Mohany
Experiments in Fluids , Vol. 63 , pp. 45
Graduate & Capstone Supervision Nile University

Prospective M.Sc., Ph.D. & Capstone Researchers

The Energy & Modelling Research Group at Nile University welcomes motivated graduate candidates and senior capstone design teams interested in fluid-structure interaction, aeroacoustics, and thermoacoustic energy systems.

Review Candidate Guidelines & Application Package →
PEO License #100526097 ASME Sec. III / B31.1 / B31.3

Industrial Engineering & P.Eng. Consulting

Specialized consulting in ASME process and power piping stress analysis, FSI failure diagnostics, thermalhydraulic network verification, and product NVH mitigation for North American and regional clients.

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