Continue work with reference to Thread # 304738

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Discussion Overview

The discussion revolves around a heat transfer problem, specifically focusing on the numerical development related to water temperature increases and flow rates. Participants are exploring theoretical approaches and seeking assistance with calculations based on experimental data.

Discussion Character

  • Exploratory, Technical explanation, Homework-related

Main Points Raised

  • One participant presents experimental data regarding heat transfer and requests help with numerical development for a 25 °C water temperature increase, questioning the flow rate implications compared to a previous 50 °C increase.
  • Another participant points out that the referenced thread does not link to relevant heat transfer information and requests a valid link.
  • A third participant provides the correct link to the old thread and suggests merging the new discussion with the old one for better continuity.
  • A later reply acknowledges the age of the original thread and expresses a renewed interest in the heat transfer problem, seeking further theoretical assistance.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the flow rate implications or the best way to handle the discussion of the old thread. There is a lack of agreement on whether to merge the threads or keep them separate.

Contextual Notes

The original thread is from 2009 and has been closed, which may limit the context available for the current discussion. The specific assumptions regarding the heat transfer problem and the relationship between temperature increase and water flow rate remain unresolved.

capterdi
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I have gathered experimental data regarding this heat transfer problem. Unfortunately right now there is no simple way to measure discharge water temperature.

On the theoretical approach developed on post # 10 of abovementioned thread, a water temperature increase of 50 °C was considered.

Please help me with the same numerical development, but now for a 25 °C water temperature increase.
Question: In this case, for the same steel considerations, the water flow is going to be twice as the one for 50 °C, which was 4.6 liters/sec? If not, what is going to be the amount of water flow?

Thanks.
 
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Sorry, the thread number in the post doesn't link to anything related to heat transfer.

Please repost a valid link to your thread.
 
Here is the thread: https://www.physicsforums.com/showthread.php?t=304738

It's from 2009, so that's why it was closed (old threads are generally locked after a few years). I can merge this new thread back into the old one and unlock it all if folks think that's a better way to handle the new information.
 
Thank you, berkeman.

Indeed, it´s an old thread. Unfortunately in 2009 I had to deal with many other issues at work, and had to put the problem aside. But right now I´m involved again with the heat transfer problem, so I am asking for more help on the theoretical side.
 

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