SCWR heat transfer deterioration phenomenon

In summary, the conversation is about finding people interested in discussing and potentially collaborating on the topic of corrosion on heat transfer surfaces in coal-fired systems. The focus is on the thermal hydraulic aspects of the phenomenon and there is limited literature and data available on experiments and calculations. The group is also interested in understanding and predicting the onset of this corrosion.
  • #1
Davsik
3
0
Looking for people interested in this topic for discussions and probable scientific cooperation
 
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  • #2
Please describe the problem. Is one referring to deterioration of the heat transfer surfaces due to corrosion? In-core, ex-core surfaces, or both?

I believe their is a fair amount of literature with respect to waterside corrosion of metals in superheated and supercritical coal-fired systems.
 
  • #3
The phenomenon is interesting from the thermal hydraulic point of view not corrosion but due to buoyancy forces or acceleration. There is not that much publications in fact and even less data on experiments.
 
  • #4
Davsik said:
The phenomenon is interesting from the thermal hydraulic point of view not corrosion but due to buoyancy forces or acceleration. There is not that much publications in fact and even less data on experiments.
Is one referring to natural circulation conditions or forced convection?
 
  • #5
Forced convection is more interesting. The nature of the phenomenon sure is of top interest but as I know it's said not to be understood by now. Then the prediction and onset. Experiments and calculation methodology etc.
 

Related to SCWR heat transfer deterioration phenomenon

1. What is SCWR heat transfer deterioration phenomenon?

SCWR heat transfer deterioration phenomenon refers to the decrease in heat transfer efficiency in a supercritical water-cooled reactor (SCWR) at high operating temperatures and pressures. This phenomenon is a major concern for the design and operation of SCWRs, as it can affect the overall performance and safety of the reactor.

2. What causes SCWR heat transfer deterioration phenomenon?

The exact cause of SCWR heat transfer deterioration is not fully understood, but it is believed to be a combination of factors such as increase in fluid density, viscosity, and turbulence, as well as changes in the thermophysical properties of water at supercritical conditions. It is also influenced by the design and operating conditions of the reactor.

3. What are the effects of SCWR heat transfer deterioration phenomenon?

The effects of SCWR heat transfer deterioration can include reduced heat transfer efficiency, increased fuel temperatures, and potential for localized temperature spikes. This can result in degraded reactor performance, potential for fuel failure, and safety concerns. It can also impact the economics of the reactor by reducing its overall efficiency.

4. How is SCWR heat transfer deterioration phenomenon being addressed?

Researchers and scientists are continuously studying and developing methods to mitigate SCWR heat transfer deterioration. This includes optimizing reactor design and operating conditions, as well as using advanced materials and coatings to improve heat transfer efficiency. Additionally, new modeling and simulation techniques are being developed to better understand and predict this phenomenon.

5. Are there any safety concerns related to SCWR heat transfer deterioration phenomenon?

Yes, there are potential safety concerns associated with SCWR heat transfer deterioration, as it can lead to fuel failure and localized temperature spikes. However, extensive research and development efforts are being made to understand and mitigate this phenomenon to ensure the safe operation of SCWRs. The safety of SCWRs is a top priority for scientists and engineers working in this field.

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