An Acoustic Doppler Discharge-Measurement System
A discharge-measurement system that uses a vessel-mounted acoustic Doppler current profiler has been developed and tested by the U.S. Geological Survey. Discharge measurements using the...
Estuarine and Coastal Modeling
Modeling Not By the Numbers
A model is likely to be the tool for making predictions of the ecological impact of an engineering decision. However, ecologists often find it difficult under pressures of time and lack...
Top Projects 1990
A dam, a bridge, an expressway, an interchange, flood control improvements, wastewater treatment and a dredged material containment embankment round out the 1990 Outstanding Civil Engineering...
Overview of International Ocean Energy Activities
An overview is presented of international research and development activities in four energy conversion areas: ocean thermal energy conversion (OTEC); wave energy conversion; tidal energy...
An Update on the U.S. DOE Ocean Energy Program
This paper summarizes recent research accomplishments of the program and provides a synopsis of planned activities leading to a Net Power-Producing Experiment (NPPE), to be conducted at...
Ocean Energy Activities in China
The ocean energy will perform an important action to compensate for energy consumption. In China tidal energy was utilized early, building tidal power plants began from the nineteen fifties....
Ocean Energy Activities in Europe
This paper reviews European research and development in wave energy, ocean thermal energy conversion (OTEC), and ocean tidal power. For each technology, a country-by-country summary (in...
Field Verification Experiment of a Wave Power Extracting Caisson Breakwater
The Ministry of Transport in Japan is conducting a field verification experiment of a wave power converter with a vertical breakwater called the wave power extracting caisson breakwater....
Experimental Research and Parameters Optimization of a Prototype OWC Wave Power Device
The paper presents the experimental research and parameters optimization of a prototype oscillating water column (OWC) wave power device being built in China by Guangzhou Institute of...
Study on Pneumatic Wave Power Conversion System with the Water Valve Rectifier
We experimentally and theoretically studied the energy conversion characteristics on a new type of wave power conversion system with water valves. The hydraulic model experiment was performed...
Optimal Depth for Nearshore Wave Power Extractors of Fixed Type
An approach to find the water depth which brings the minimum cost of energy extracted with the wave power extractors of nearshore fixed type is proposed. A case study with Pendulor wave...
Theoretical Study on Capture Chamber with Lateral Entrance
A capture chamber with lateral entrance can be used in a pneumatic wave energy conversion system. In this paper, the output power coefficients of the capture chamber have been calculated...
Research and Development of Wave Pump
A new device, 'Wave Pump' is introduced here. The authors present the mechanism of the system, the analytical method for discharge rate, the hydraulic model test...
Water Power Resource Investigations in New Zealand
The New Zealand wave resource is dominated by strong uniform swell incident on its western and southern coasts. Electricorp Production has funded the deployment of a wave rider buoy off...
Wave Power Development in Taiwan
The feasibility study of wave power development in Taiwan was performed in two phases. The first phase included the calculation and assessment of the available wave energy along the coasts...
Progress of Floating Type Wave Power Generator
A floating type wave power generator was improved. It is a Backward Bent Duct Buoy (BBDB) which has an air chamber duct which is bent backwards. It is capable of increasing the peak conversion...
Planning a Full Scale Wave Power Conversion Test 1988-1989
The paper describes the design of the wave power converter and the principal of working. The results from a tank test on a scale model are presented with the main emphasis on design loads...
Double-OWC Wave Power Extractor of a Taut Moored Floating Structure
A double oscillating water column is proposed as a means to improve the efficiency of wave power conversion over a wide range of wave periods in deep water. A mathematical model of the...
Use of Scrap Tires to Harness Wave Energy
A 2.5 meter diameter wave powered pump, fabricated from scrap tires was tested from May 24, 1988 to October 1988 in the Atlantic Ocean at the North Carolina Army Corp of Engineers Waterways...
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