Ocean thermal power plants heat exchangers

Cover of: Ocean thermal power plants heat exchangers |

Published by Energy Research and Development Administration, Technical Information Center, for sale by the National Technical Information Service in Oak Ridge, Tenn, Springfield, Va .

Written in English

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  • Ocean temperature,
  • Power-plants

Edition Notes

Book details

StatementA. M. Czikk [et al.]
ContributionsCzikk, A M, United States. Energy Research and Development Administration. Technical Information Center, Union Carbide Corporation
The Physical Object
Pagination145 p. :
Number of Pages145
ID Numbers
Open LibraryOL14894881M

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Get this from a library. Ocean thermal power plants heat exchangers. [A M Czikk; United States. Energy Research and Development Administration. A collection of papers exploring the main types of ocean energy, including OTEC, tidal, and wave power. Articles. Ocean thermal energy 'ideal' to power Maldives: ETEnergyWorld Aug The Pacific islands are perfect for ocean power, but many other challenges remain—include climate change.

An alternative approach comes from Sea Solar Power, a Ocean thermal power plants heat exchangers book ocean thermal firm based in Baltimore, MD. Its heat exchanger design uses propylene as the working fluid and a turbulent-flow.

@article{osti_, title Ocean thermal power plants heat exchangers book {Thermoelectric Ocean Thermal Energy Conversion}, author = {Jayadev, T. and Benson, D. and Bohn, M. S.}, abstractNote = {A novel thermoelectric OTEC concept is proposed and compared with the ammonia closed-cycle designs.

The thermoelectric OTEC is a much simpler system which uses no working fluid and therefore Cited by: 5. To my knowledge it has not to be much different as compare to Coal/oil fired thermal power plant as usually Solar thermal power plants use solar energy to heat a Specific fluid to high temperature.

The fluid is then circulated through pipes so tha. Abstract. Performance analysis is performed for optimum design point of a closed-cycle Ocean Thermal Energy Conversion (OTEC) system. Calculations are made for an OTEC model plant with a gross power of MW, which was designed by the optimization method proposed by Uehara and Ikegami for the design conditions of 21 C C warm sea water temperature and.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

Some of the challenges encountered in the design of the solar power plant heat exchangers are cyclic operation, rapid startup and shutdowns, high pressure and high temperature applications, minimal shellside or tubeside pressure drop, and unconventional thermophysical properties of the heat transfer fluid.

Makai Ocean Engineering’s ocean thermal energy conversion (OTEC) power plant is the world’s biggest operational facility of its kind, with an annual power generation capacity of kW, which is sufficient to power homes in Hawaii. Makai Ocean Engineering’s OTEC power plant details.

The two heat exchangers have a 2MW thermal. A thermal power station is a power station in which heat energy is converted to electric most places the turbine is is heated, turns into steam and spins a steam turbine which drives an electrical it passes through the turbine the steam is condensed in a condenser and recycled to where it was heated.

This is known as a Rankine. bination of higher heat transfer coefRcients, more heat transfer surface area, and increased seawater Sow rates. Each has an associated cost or power penalty. Additional analysis and testing are required to conRrm whether the Kalina cycle and assorted variations are viable alternatives.

OCEAN THERMAL ENERGY CONVERSION (OTEC) "HEAT EXCHANGERS FOR OCEAN THERMAL ENERGY CONVERSION PLANTS" S.V. Dighe B.C. Chan R.R. Rothfus * Department of Chemical Engineering Carnegie-Melion University Pittsburgh, Pennsylvania ABSTRACT Heat transfer in vertical-tube condensers and evaporators such as projected for use in Ocean Thermal Energy Conversion can be enhanced Author: S.V.

Dighe, B.C. Chan, R.R. Rothfus. Power plants use a variety of heat exchangers to transfer heat between various fluids. The heat exchanger configuration is dictated by the thermal and hydraulic application.

Maarky heat exchangers are designed using the Heat Transfer Research. Safe operation of power plants requires the steady cooling of bearings, lube oils, and rotor blades of diesel or gas motors and steam or gas turbines.

Choose from our line of plate heat exchangers – available in various designs and sizes – to find the right solution for proper cooling and outstanding efficiency.

This paper discusses variations in heat exchanger design and configuration for a class of ocean thermal power plants. Details of the heat exchanger models are summarized and analytical results for component and cycle variations are presented. A heat exchanger optimization program is discussed in detail and preliminary results for this study are Cited by: Electricity Generation by the Ocean Thermal Energy.

The advantages of this proposal include the absence of heat exchangers. Consider a hemispherical canister as depicted in the Figure 5a. and entrainment of small organisms has been esponsible for the greatest mortality of marine organisms at coastal power plants thus far [11].The Cited by: From the earliest water wheels, humans have sought to tap sea power, expressed in waves, currents, and tides.

But a more promising idea extracts that stored heat energy directly: Ocean Thermal Energy Conversion, or OTEC, generates electricity by using the temperature differences between tropical waters drawn from the sun-warmed surface, and.

Ocean Thermal Energy Conversion LUIS A. VEGA Hawaii Natural Energy Institute, School of Ocean And (vapor) power plants. Because the ammonia circulates in a closed loop, this concept has been named closed- heat exchangers and have proposed the use of an ammonia-water mixture as the working fluid [7].

Thermal power plant efficiency enhancement with Ocean Thermal Energy Conversion Article in Applied Thermal Engineering 62(1) January. Interest in ocean power, the process of generating electricity through ocean temperature differentials between surface and deep water, was the subject of.

in thermal power As implied by the name, thermal power plants use a huge amount of thermal energy to produce electricity. Many types of heat exchangers are used to improve the thermodynamic gain of the plant, to cool down some equipment. THERMAL POWER PLANTS – Vol. III - Air-Cooled Heat Exchangers and Cooling Towers - D.G.

Kröger ©Encyclopedia of Life Support Systems (EOLSS) 2. Cooling Towers The development, practice, and performance of evaporative cooling systems or cooling towers have been described in numerous publications including some of those listed in the Size: KB.

The planned construction of an OTEC (Ocean Thermal Energy Conversion) power plant in the Southern Chinese high seas is set to become the largest power plant in the world. The power plant is intended to be a joint venture between two business giants, US-based engineering corporation Lockheed Martin and Hong Kong-based construction consortium Reignwood.

Description: sqft Heat Exchangers Heating and cooling streams in a process plant is a basic and essential process operation. For this reason, process plants contain potentially hundreds of heat es Large fleet of standard, refinery-grade Shell Applications: Power Generation Type: Air-Cooled, Plate, Shell and Tube.

Ocean thermal energy conversion (OTEC) power system development: utilizing advanced high performance heat transfer techniques: final technical progress report for August 1-Decem / ([Washington]: U.S.

Dept. of Energy, Solar Energy ; Springfield, Va.: available from National Technical Information Service, ), by TRW Inc. Ocean thermal energy conversion plant is a combination of marine waters and power generation.

The temperature difference between the surface water which gets heated by the direct sun rays and the water at the sea bed is utilized to run a heat engine and produce useful work.

Heat exchangers are used extensively in fossil-fuel and nuclear power plants, gas turbines, heating and air-conditioning, refrigeration, and the chemical industry. The devices are given different names when they serve a special purpose.

Thus boilers, evaporators, superheaters, condensers, and coolers may all be considered heat exchangers. Thermal power generation plant or thermal power station is the most conventional source of electric power.

Thermal power plant is also referred as coal thermal power plant and steam turbine power plant. Before going into detail of this topic, we will try to understand the line diagram of electric power generation plant.

analyzed. The existing heat exchangers were found to already be sized to achieve an optimal ROI of with net design power output at kW. Reducing heat exchanger size increases the ROI by only about %, while reducing the net power output from kW to kW. The design with maximum size of heat exchangers increases the net power.

Candidate materials for use in ocean thermal energy conversion systems, OTECS, heat exchangers include aluminium, Cu-Ni, stainless steel and titanium alloys. These are considered in this review, and their advantages and disadvantages are highlighted and discussed. Aluminium alloys have shortcomings for the anticipated long life span of OTEC heat Cited by: 7.

Ryabchikov (April 17th ). Modernization of Steam Turbine Heat Exchangers Under Operation at Russia Power Plants, Thermal Power Plants - Advanced Applications, Mohammad Rasul, IntechOpen, DOI: / Available from:Author: A. Ryabchikov. Shell-and-tube heat exchangers are the most versatile type of heat exchangers.

They are used in the process industries, in conventional and nuclear power stations as condensers, steam generators in pressurized water reactor power plants, and feed water heaters, and they are proposed for many alternative energy applications including ocean, thermal, and : Sadik Kakaç, Hongtan Liu, Anchasa Pramuanjaroenkij.

Ocean thermal is the only remaining vast, untapped source of renewable energy, and is now ripe for commercialization. on which to mount the specialized ocean thermal plant and plantship heat Author: Colin Schultz. Ocean thermal energy conversion (OTEC) harvests the power from the thermal energy in the ocean, which is reserved in the ocean as the temperature difference between warm surface and cold deep seawaters.

In the energy conversion, the heat exchangers transfer the thermal energy to the heat engine, which converts it into power. The pressure drops yielded by piping, valve Cited by: 3.

Hydropower, Geothermal, and Ocean Energy. widely used for power generation and direct heat applications, is also mature, but new technologies could improve plant designs, extend their.

“Ocean thermal energy conversion, or OTEC, could provide a stable supply of power from an abundant and clean source: the ocean’s heat. I am proud to announce that Hawaii is now home to the world’s largest operational OTEC plant that recently began feeding ocean-based power into the electrical grid at the Natural Energy Laboratory of.

OCEAN THERMAL ENERGY CONVERSION: HEAT EXCHANGER EVALUATION AND SELECTION Laboy, Manuel solar energy continuously absorbed by the ocean and converts it into electric power. OTEC does not Later it was realized that the use of shell-and-tube heat exchangers for OTEC commercial plants would make these equipment a major volume.

In a parabolic mirror solar power plant (trough design), the heat transfer fluid (HTF) is heated to elevated temperatures using the energy from the sun.

The thermal energy in the HTF is used to convert water to superheated steam in a series of heat exchangers namely the preheater, steam generator and the superheater. The Description of aSource Book of Selected and Annotated Oceanographic Data for Estimating Biofouling and Corrosion Effects on OTEC Plants at Five Potential Sites (H.L.

Craig,Jr., T. Lee,H.B. Michel,R.S.C. Munier,S. tter) Ocean Thermal Properties in Relation tothe Biofouling and Corrosion Experiment in the Gulf of Mexico (R.L. Energy Engineering Lecture Notes. This note covers the following topics: Units and Conversions, Global Energy Reserves, Energy Demand and Supply, Historical Developments in Energy, Environmental Impacts of Energy Production, Bio-Geo-Chemical Cycles, Thermal Power Plants, Hydro Power, Nuclear Power, Solar Power, Wind Power, Biomass Energy, Ocean Energy.

Heat exchangers are essential in a wide range of engineering applications, including power plants, automobiles, airplanes, process and chemical industries, and heating, air-conditioning, and refrigeration systems.

Revised and fully updated with new problem sets, Heat Exchangers: Selection, Rating, a.Thermal power plants are one of the most important process industries for engineering professionals.

Over the past few decades, the power sector has been facing a number of critical issues. However, the most fundamental challenge is meeting the growing power demand in sustainable and efficient ways.

Practicing power plant engineers not only look after operation Cited by: Ocean thermal energy conversion (OTEC) uses the natural thermal gradient in the sea. It has been investigated to make it competitive with conventional power plants, as it has huge potential and can produce energy steadily throughout the year.

This has been done mostly by focusing on improving cycle performances or central elements of OTEC, such as heat by: 3.

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