The Maisotsenko Cycle for Producing Power
Producing Power / Energy
Maisotsenko Combustion Turbine Cycle (MCTC) Update
Thank you, thank you, thank you! Dr. Maisotsenko and the Idalex Team would like to thank all that attended and contributed to the discussions at the ASME Turbo Conference. The presentation in Atlanta of our technical paper and the evening discussion forum was a tremendous success. Some of the brightest minds and companies in the power generation field from all over the world attended, and great things are already happening.
From the many commitments that we received at the conference, we look forward to building and testing a prototype MCTC system very soon. This is great news for humanity!
If you missed the presentation on June 16, 2003, an abstract can be found at www.asmeconferences.org/IGTI03/ by typing in GT2003-38080 into the search option. Also, more information can be found in our Newsroom.
Producing Power / Energy
The Maisotsenko Cycle can dramatically increase the efficiency in power generation to 60 percent.
Some of the general benefits of the Maisotsenko Cycle for power include:
- Decrease in cooling temperature to obtain larger differential temperatures
- Hot, superheated air for maximum efficiency of turbines
- Hot, saturated air for maximum power output of turbines
- Increased volumetric flow rate to turbines by adding moisture to compressed air
- Elimination of several pieces of equipment for most cycles
- Dramatic increases in power output using existing facilities
- Waste heat recovery
Some of the specific benefits for the Maisotsenko Combustion Turbine Cycle include:
- There is no need for after-compressor heat exchangers to cool the
compressed air to near its dew point temperature before the air enters
the
saturator with the cooled water from the saturator.
- There is no need for a recuperator because it is included in the top exchanger.
- There is no need for a humidification tower that is dependent on the above heat exchangers.
- There is no need for a boiler to add additional humidity to the compressed air.
- There is no need for an economizer cooled with water from the humidifier tower.
- Incorporating the equipment listed in 1 through 5 into one piece of equipment provides direct heat and/or mass transfer between compressed air, evaporating water, water and turbine exhaust gases combining several heat exchange approaches into one. This reduces the amount of heat transfer surface needed.
- Only the available heat from the stack exhaust gas and inter-compressor coolers limits humidification of the compressed air.
- Humidification of the compressed air and/or super heating of that air with the exhaust gas is easily controlled by the amount and location of water entering the shell side of the top exchanger. The design will self adjust to differing operating conditions automatically.
- The properties of high-pressure air and water vapor mixtures are not well known, creating problems in sizing and design of existing equipment. This is much less of a problem with the Maisotsenko Cycle saturator as it is self-regulating.
- Cooling water can be drawn from the cold-water outlet if desired.
- There is less pressure drop, since there are fewer pieces of equipment to travel through.
- Less total surface area is needed, because the heat transfer rate is higher due to the evaporation on the outside of the tubes.
- The temperature difference across the tube is greater because the wall temperature will become the wet bulb temperature of the surrounding air.
- The initial cost is less, as less surface area and less equipment is needed.
- The operating costs are less, since the system is self-regulating.
- Heat and mass transfer calculations for shell and tube heat exchangers can be used for sizing.
- Plate heat exchangers can also be used with this same concept.
There are other specific benefits for the Sub-Atmospheric Combustion Turbine Cycle. These have been omitted here for length, but are available with the details on that cycle.
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