Ocean Energy Articles

66 Results found
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  • Subcategory: Ocean Energy ×

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. ...

Effects of sinusoidal hot wavy walls on natural convection heat transfer and entropy generation inside a Γ–shaped enclosure

by Inderscience Publishers  (Oct. 16, 2014)

This paper deals with natural convection heat transfer and entropy generation inside a Γ–shaped enclosure with sinusoidal wavy edges on step like hot walls. The OpenFoam (http://www.openfoam.com) software is used and developed to solve this problem. Incompressible Newtonian fluid with constant properties and Boussinesq approximation is used. ...

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 ...

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 and Water Production

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

Introduction The scarcity of potable water is a growing problem worldwide, particularly in arid regions and among developing countries. Compounding this problem is the increasing contamination of freshwater sources, which comprise only about 2.5% of all water on Earth. Of this small portion, only 0.5% of the total fresh water available is found ...

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

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

Two centuries ago, U.S. President John Adams advised us of the importance of observing our world with clear eyes, “Facts are stubborn things; and whatever may be our wishes and passions, they cannot alter the state of facts and evidence.” Though there are some facts we all would rather not face, one of those unpleasant truths is that ...

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, ...

Graphene Ushers In A New Wave Of Super-Fast Electronics

by Stanford Advanced Materials  (Mar. 28, 2014)

One of the proposed uses for graphene is the construction of super-fast transistors. This is due to its ability of conducting electrons at near the speed of light. In addition, graphene is flexible and strong, making it ideal for a variety of manufacturing processes. The only impediment to this is that graphene is so electronically efficient that ...

Oceans of Energy

by Ensia  (Mar. 10, 2014)

Technologies that harness the energy of moving water or temperature differentials in the oceans promise to deliver abundant carbon-free electricity. Long before humans got hooked on fossil fuels, we learned how to harness the power of water to do work. Rivers ran mills that ground flour, sawed logs or spun looms that transformed fibers into ...

Analytical solution of a kinematic wave approximation for channel routing

by IWA Publishing  (Feb. 12, 2014)

The kinematic wave approach is often used in hydrological models to describe channel and overland flow. The kinematic wave is suitable for situations where the local and convective acceleration, as well as the pressure term in the dynamic wave model is negligible with respect to the friction and body forces. This is the case when describing ...

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