Marine engineering is the engineering of boats, ships, submarines, and any other marine vessel. Here it is also taken to include the engineering of other ocean systems and structures – referred to in certain academic and professional circles as “ocean engineering.”
Marine engineering applies a number of engineering sciences, including mechanical engineering, electrical engineering, electronic engineering, and computer science, to the development, design, operation and maintenance of watercraft propulsion and ocean systems. It includes but is not limited to power and propulsion plants, machinery, piping, automation and control systems for marine vehicles of any kind, as well as coastal and offshore structures.
Relevance and Scope
For nearly every person on Earth, the ocean is deeply intertwined with everyday life. Covering more than three quarters of the earth's surface,the ocean is traversed by approximately 80 percent of global commerce by volume and 70 percent by value.[4] In the way of digital communications, transoceanic cables carry 99 percent of digital signal traffic internationally. Additionally, 40 percent of the world's population lives within 100 km of the coastline. From an environmental standpoint, the ocean contains the vast majority of Earth’s living species and biomass, provides much of its food (even to those living on land), and helps to regulate global climate. These things make the ocean an integral part of everyday life; with this in mind, marine engineering aims to discover new methods of harnessing the ocean for the benefit of humanity.
Despite humans’ close relationship with the ocean, much remains unknown about the ocean itself. It is estimated that 80 percent of the ocean floor remains unexplored,[9] and more than 90 percent of ocean species remain undiscovered by science.Furthermore, performing engineering projects the ocean presents many unique challenges - such as saltwater corrosion, hydrodynamic and hydromechanical forces, remoteness of project locations, and extreme temperatures - that engineers must overcome in successfully designing ocean systems.
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