Can Thermocouples Replace Steam Turbines for Nuclear Reactors?

  • Context: Undergrad 
  • Thread starter Thread starter Kalrag
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Discussion Overview

The discussion centers on the feasibility of replacing steam turbines in nuclear reactors with thermocouples for electricity generation. Participants explore the efficiency of thermoelectric generators and the potential for improvements in this technology.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions whether thermocouples could effectively replace steam turbines in nuclear reactors.
  • Another participant notes that thermoelectric generators typically have low efficiency, often less than 10%.
  • There are inquiries about potential methods to improve the efficiency of thermoelectric generators.
  • Some participants mention that while there are thermoelectric generator modules utilizing the thermocouple effect, significant improvements would require substantial effort and resources.
  • A later reply suggests that while there may be promising research in condensed matter, actual advancements in efficiency have been minimal over the past two decades.

Areas of Agreement / Disagreement

Participants express differing views on the feasibility and efficiency of thermoelectric generators, indicating that multiple competing perspectives exist regarding their potential to replace steam turbines.

Contextual Notes

The discussion highlights limitations related to the efficiency of thermoelectric generators and the challenges in improving this technology, without resolving the specifics of these issues.

Kalrag
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Lately I have been doing some research on thermocouples and the steam turbine. What I have been wondering is if it is possible that the steam tubine on like a nuclear reactor could be replaced with a thermocouple to generate electricity. Could that work?
 
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Yes, but the efficiency of thermoelectric generators is very low, typically less than 10%.
 
So is there any way to make them more efficent?
and thanks
 
Yes, there are thermo-electric generator modules that use a thermocouple effect. But as Mender pointed out they are not very efficient. Could they be made better? Yes. It would be a big project and if it was easy someone would be working on it.
 
Wiki thermopile.
DC
 
Last edited:
Kalrag said:
So is there any way to make them more efficent?
and thanks

Rest assured that it is an active area of condensed matter research.
 
With what looks like promising progress, but in reality not much has changed in the last twenty years.
 

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