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Some Novel Concepts in Approach to Harnessing Tidal Power
The worldwide tidal energy potential remains undeveloped because of its low power density and high cost of constructing conventional hydroturbine power plants. The objective of this paper...

Review of Garolim Tidal Power Project
The feasibility study of Garolim tidal power project made in 1981 was reviewed in 1986 and updated in 1988. The review study generally confirmed the result of the 1981 study. The generator...

The Development of Tidal Resources in China: The Tidal Experimental Station of Jiangxia and Its No. 1 and No. 2 Bidirectional Tidal Water Turbine
This article outlines the development and use of tidal energy, specifically, the exploitable tidal energy and the situation of its use in China and introduces the first large bidirectional...

Tidal Power Plants - The Source of Ecologically Clean Energy
This paper outlines the development of tidal energy within the Soviet Union (U.S.S.R.). It describes several working and proposed tidal power plants developed in the U.S.S.R. with a discussion...

Hydrogen Generation from Sea Water by Means of a Metal Hydrolysis Process
Active metals such as magnesium reacted with steam can produce hydrogen. This reduction of water by magnesium or aluminum is a thermodynamically favorable process, however, formation of...

Estimation of Wave Power as an Energy Resource for Hawaii
One of the most important elements in determining the wave power available by means of a wave power extracting device is the amount of wave energy present at a given location during a...

Conceptual Design of an Open-Cycle OTEC Plant for the Production of Electricity and Fresh Water in a Pacific Island
A plant, based on the Open-Cycle Ocean Thermal Energy Conversion (OTEC) concept, was designed to supply electricity and fresh water to a Pacific Island community. In order to boost fresh...

Conceptual Design Analysis for Hybrid-Cycle OTEC Plants for Co-Production of Electric Power and Desalinated Water
Hybrid-cycle OTEC power plants are shown to be potentially the most flexible and cost effective in obtaining any specific mix of electrical power and desalinated water. This paper describes...

Pre-Experiments of OTEC Experimental Facility for Ocean-Based Mariculture-OTEC Pilot Plant Houyou
The ocean-based mariculture-OTEC pilot plant 'HOUYOU' was completed in March, 1989 and the at-sea test in Toyama Bay was carried out from July 18th until September...

OTEC's subsurface discharges of Deep Ocean Water: Modelling Their Effects on the Primary Production
The French project of a shore-based OTEC pilot plant (5 MW) at Tahiti gave the opportunity of simulating the ecological effects of a small, man-made upwelling in coastal-tropical oligotrophic...

A 250 KW Closed Cycle Land Based Ocean Thermal Energy Plant
The paper describes the design of a 250 KW land based closed cycle Ocean Thermal Energy Plant suitable for installing at Keahole Point in Hawaii. The work is being done for ALCAN International....

Overview: Steam-Water Phase Change in OTEC Systems
This paper presents an overview of the thermodynamics and the heat and mass transfer processes occurring in OTEC systems utilizing seawater as the working fluid....

Seawater Experimental Results of Direct-Contact Condensation for OC-OTEC Applications
Tests of a direct-contact condenser (DCC) for open-cycle ocean thermal energy conversion systems (OC-OTEC) have been conducted using seawater and exchanging up to 1.25 MW_th...

OTEC Sea Water Systems Technology Status
A workshop was conducted in April 1988 to provide an expert critique of the fabrication and deployment options for the seawater systems (all piping required to draw the seawater) of land-based...

OTEC Seawater Pipe Cost Comparisons
Describes a material which can substantially reduce the cost of seawater pipes and two methods for building and deploying such pipes for use in land-based OTEC installations, outfall sewers,...

Noncondensable Gas Composition and Outgassing Rates in the Open-Cycle OTEC System with Direct-Contact Condensation
This paper will present the results of recent measurements of noncondensable release from an open-cycle ocean thermal energy conversion (OC-OTEC) system in a direct-contact condensation...

Optimum Removal of Noncondensable Gases for Open Cycle OTEC System
For an open cycle OTEC system the dissolved gases in warm surface seawater are evolved in the flash evaporator. Those behave as noncondensable gases in the condenser and degrade the condensing...

De-Aeration and Re-Injection of Noncondensable Gases in Open-Cycle OTEC
Non-condensable gas exchange characteristics in seawater and fresh water are compared and contrasted. The higher rate of exchange observed for these gases in seawater is incorporated in...

Experimental Investigation of Condensation of Steam in the Presence of Noncondensable Gases for Open-Cycle Surface Condensers
Two experimental investigations are being carried out for determination of the effects of noncondensable gases on the rate of condensation in the open-cycle surface condenser. A single-channel...

Carbon Dioxide Release from OTEC Cycles
This paper presents the results of recent measurements of CO₂ release from an open-cycle ocean thermal energy conversion (OC-OTEC) experiment. Based...

 

 

 

 

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