Harry Valentine
Author and Researcher
Mr. Valentine has a degree in mechanical engineering from Carleton University, Ottawa, Canada specializing in thermodynamics (energy conversion) and transportation technology. He has worked as a technical journalist for the past 10-years and has more than 2 decades of research in the transportation industry.
Wind Power Developments for Sailing Boats Into Headwinds
Ancient maritime history tells of the development of the lateen sail, which allowed wind-powered vessels to sail at a 30-degree an...
Carbon-Free Propulsion Using Articulated Tug and Barge Technology
The maritime sector is introducing initiatives that reduce carbon exhaust emissions produced by vessel propulsion systems. Several...
Headwind Propulsion for Articulated Two-Section Vessels
Multiple technical precedents have occurred over the past 40-years that provide a basis by which to develop wind turbine powered v...
Prospects for Next-Generation Wind Propulsion on the Upper Great Lakes
Locally built sailing vessels first appeared on North America’s Great Lakes in the 17th-century era of exploration, and sail...
The Potential for a Mega-Sized Tug-Barge on the Upper Great Lakes
The inland ship transportation industry moves significant volumes and tonnage of bulk cargo on the Upper Great Lakes. While the tu...
Cold Ocean Depths Could Help Provide Freshwater for the Middle East
States located around the Persian Gulf are seeking alternative sources of potable water and have even considered the possibility o...
Future Cost-Competitiveness of Hydro-Kinetic Turbines
Some 10 years ago, a submerged hydro-kinetic turbine was installed in the swift current of a section of the St. Lawrence River, so...
Prospects for Larger Vessels on the St. Lawrence Seaway
The only feasible way by which to sail higher capacity vessels along the St. Lawrence Seaway would be to extend the interior lengt...
Creativity at Sea: Remote Workers Look to Cruise Ships for Workspace
The pandemic lock down required thousands of people worldwide to work from home offices. Some companies have actually made the cha...
Engines Driven by Sound Waves for Bottom-Cycle Maritime Application
Thermoacoustic engines are based on tubes that convert heat into resonant sound waves, which in turn drive pistons inside cylinder...