scholarly journals Technology Development Plan: Geotechnical survey systems for OTEC (Ocean Thermal Energy Conversion) cold water pipes: Final subcontract report

1989 ◽  
Author(s):  
P. J. Valent ◽  
M. Riggins
Keyword(s):  
Energy Conversion ◽  
Thermal Energy ◽  
Technology Development ◽  
Cold Water ◽  
Development Plan ◽  
Water Pipes ◽  
Ocean Thermal Energy Conversion ◽  
Thermal Energy Conversion ◽  
Ocean Thermal Energy

Design and Construction of an Ocean Thermal Energy Conversion Test Plant

1980 ◽  
Vol 102 (1) ◽  
pp. 41-46 ◽  
Author(s):  
L. C. Trimble ◽  
R. L. Potash
Keyword(s):  
Energy Conversion ◽  
Thermal Energy ◽  
Cold Water ◽  
Seawater Temperature ◽  
Test Plant ◽  
Deep Seawater ◽  
Ocean Thermal Energy Conversion ◽  
Thermal Energy Conversion ◽  
Power Plant Control ◽  
Ocean Thermal Energy

Mini-OTEC, shown in Fig. 1, is the first at-sea, closed-loop Ocean Thermal Energy Conversion (OTEC) system using surface and deep seawater to generate electric power. The Mini-OTEC cycle is installed on a moored barge incorporating the cold water pipe (CWP) in the single anchor leg. The design seawater temperature difference (ΔT) of 36°F provides thermal resource for a gross power output of 50 kW. This paper presents an overview of the Mini-OTEC project, including a description of the power plant, control system, instrumentation, and CWP mooring system.

A Jet Condenser for Ocean Thermal Energy Conversion

1982 ◽  
Vol 104 (3) ◽  
pp. 153-157
Author(s):  
H. J. Richter ◽  
G. B. Wallis
Keyword(s):  
Energy Conversion ◽  
Thermal Energy ◽  
Cold Water ◽  
Mechanical Energy ◽  
Water Stream ◽  
Ocean Thermal Energy Conversion ◽  
Available Energy ◽  
Thermal Energy Conversion ◽  
Water Turbine ◽  
Ocean Thermal Energy

A novel idea to use a jet condenser for Ocean Thermal Energy Conversion (OTEC) plants is presented here. The jet condenser offers the advantage of a relatively simple device. It consists of a mixing section where the partially evaporated warm water and the cold water mix and condensation takes place. After the complete condensation, the water stream is employed to drive a water turbine. The basic thermodynamic principles are evaluated. Introducing realistic efficiencies for the jet condenser, about 20 to 25 percent of the available energy can possibly be expected to be converted into mechanical energy.

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