Open-cycle magnetohydrodynamic power plant based upon direct-contact closed-loop high-temperature heat exchanger
A magnetohydrodynamic (MHD) power generating system is described in which ionized combustion gases with slag and seed are discharged from an MHD combustor and pressurized high temperature inlet air is introduced into the combustor for supporting fuel combustion at high temperatures necessary to ionize the combustion gases, and including a heat exchanger in the form of a continuous loop with a circulating heat transfer liquid such as copper oxide. The heat exchanger has an upper horizontal channel for providing direct contact between the heat transfer liquid and the combustion gases to cool the gases and condense the slag which thereupon floats on the heat transfer liquid and can be removed from the channel, and a lower horizontal channel for providing direct contact between the heat transfer liquid and pressurized air for preheating the inlet air. The system further includes a seed separator downstream of the heat exchanger.
- DOE Contract Number:
- W-31-109-ENG-38
- Assignee:
- Dept. of Energy
- Application Number:
- ON: DE82020877
- OSTI ID:
- 5038580
- Country of Publication:
- United States
- Language:
- English
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