Mechanical Engineer, Ocean Engineer

Areas of Practice:

• Mechanical Engineering
• Ocean Engineering
• Unmanned Underwater Vehicles (UUVs)
• Diving/Life Support Equipment
• Collisions Involving Marine Vessels
• Autonomous Underwater Vehicle (AUV) Systems Integration
• Underwater NDT
• Internal Combustion Engine Performance
• Explosive Ordnance Disposal
• Qualified U.S. Navy Diver
• Master Explosive Ordnance Disposal (EOD) Technician

Professional Memberships:

• Professional Engineer in State of California

Highlights:

• Textbook – Revised “Life Support Systems Design; Diving and Hyperbaric Applications”, Simon and Schuster Custom Publishing, 1996. Coauthored with two of the original authors: M.L. Nuckols, Ph.D., PE and A.J. Sarich, MSc, PE.
• Technical Report – Marr, W.J., Acoustic Based Tactical Control of Underwater Vehicles, Doctoral Dissertation, Naval Postgraduate School, Monterey, California, June 2003.
• Peer-reviewed Journal Article – W.J. Marr, L.J. Hamilton and J.S. Cowart, ‘Single Cylinder Diesel Engine Startup Experiments with Fast Cycle Resolved In-Cylinder and Exhaust Sampling’, paper presented at the SAE International Powertrain, Fuels and Lubricants Congress, Florence, Italy, June 2009
• Peer-reviewed Journal Article – J.S. Cowart, W.J. Marr, L.P. Brown, P.A. Caton and L.J. Hamilton, ‘Single Cylinder Diesel Engine Startup Experiments with Cycle Resolved Emissions Sampling’, paper published in the 2009 Society of Automotive Engineers’ World Congress, Detroit, April, 2009
• Peer-reviewed Journal Article – Nuckols, M.L., Clarke, J.R., and Marr, W.J. “Assessment of Oxygen Levels in Alternative Designs of Semi-Closed Underwater Breathing Apparatus,” Journal of Life Support and Biosphere Science, Vol.6, pp239-249, 1999