Ocean Energy Articles

80 Results found
  • Category: Energy & Renewables ×

  • Subcategory: Ocean Energy ×

Soil erosion in the riparian zone of the Three Gorges Reservoir, China

by IWA Publishing  (Mar. 19, 2015)

The riparian zone of the Three Gorges Reservoir (TGR) has experienced substantial erosion that may severely deteriorate the reservoir ecosystem. To calculate soil erosion characteristics, field investigations have been conducted in the TGR area and 12 erosion-monitoring transects have been set in the middle TGR. The results showed that the ...

Study on hydrodynamics and heat transfer of solitary wave on film flow with CFD method

by Inderscience Publishers  (Mar. 6, 2015)

In this paper, a capacitance probe and high speed camera are adopted to study the solitary wave of falling film on large flat plate experimentally. Two types of solitary wave are studied with a Computational Fluid Dynamic (CFD) method based on the measuring data. The water–air shear stress on the interface of the solitary wave is modelled in the ...

Earthy, solaris and atmospheric energy sources

by Inderscience Publishers  (Feb. 19, 2015)

Earth, sun and atmosphere are the ultimate energy resources. In addition to fossil fuels, earth radiates over 45 TW geothermal energy. Sun radiates about 89 PW energy to earth's surface. Lunar gravity supplies over 100 GW tidal ocean energy. Accessible energy from geothermal, solar, tides, waves and winds is far more than our current 17 TW energy ...

“We continue to be stunned at how rapidly the ocean is warming.”

by Ensia  (Jan. 29, 2015)

Oceans have been absorbing more of global warming’s heat and energy than would normally be expected, helping to slow rates of warming on land. But how long will that last? Probing a blue abyss can be an abysmal recipe for the blues. For every 10 joules of energy that our greenhouse gas pollution traps here on Earth, about 9 of them end up ...

National Grid Alert Triggers Wave of Enquiries for Renewables Sector

UrbanWind today reported a sharp increase in companies enquiring about on-site power generation, following National Grid’s warning yesterday.   It said growing numbers of British businesses were now looking to move towards ‘energy independence’ to protect themselves from the rising threat of future brownouts. ...

Energy and war – intertwined then and now

by Energy Institute (EI)  (Sep. 10, 2014)

Given that it is the 100th anniversary of the start of the First World War, there has been a lot of focus on 1914. Whilst our own EI century seems such a small event in comparison to the Great War, it does provide an interesting context. The August 1914 issue of Petroleum Review said “The review has never taken sides politically…yet ...

Marine crude oil transport – global voyage losses

by Energy Institute (EI)  (Sep. 1, 2014)

Paul Harrison, Consultant to the HMC-4A Marine Oil Transportation Database Committee, presents latest findings from analysis of the 2013 data on marine crude oil transport. The Energy Institute (EI) HMC- 4A Marine Oil Transportation Database Committee has been collecting and analysing worldwide oil shipping data for over 20 years and meets twice ...

Power control strategy for grid connected permanent magnet synchronous generator of a distributed generation unit

by Inderscience Publishers  (Jul. 7, 2014)

This paper describes the studies on the operation and control of a variable speed wave energy conversion system. The wave energy conversion system considered is oscillating–water–column (OWC) based Wells turbine driven permanent magnet synchronous generator connected to the grid by means of fully controlled frequency converter. In such systems ...

Ultrasonic waves lead to liquid cavitation creation

by GlobeCore Blending  (May 8, 2014)

Theoretically liquid starts boiling when pressure in some sites of a stream decreases to pressure of its saturated steam. Actually pressure of liquid cavitation creation process depends on the physical condition of liquid. If liquid contains a large amount of the dissolved air, reduction of pressure leads to air allocation from liquid and ...

Ocean Thermal Energy conversion and the company bringing it to market: clean water for our children

by Ocean Thermal Energy Corporation (OTEC)  (Apr. 24, 2014)

Water is the most life sustaining resource on earth. Essential to all aspects of our human lives, it serves as the key ingredient in food and drink, helps us fabricate clothes, landscapes our favourite places, drives economic growth and feeds agricultural development. Our bodies themselves are 70% water. This liquid of life keeps us hydrated, ...

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