Heat transfer from flame in pipe

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Discussion Overview

The discussion revolves around the heat transfer from a flame propagating through a pipe filled with a fuel/air mixture. Participants explore the complexities of non steady-state heat transfer problems, particularly in the context of a moving flame front, and seek resources or equations relevant to the topic.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant expresses a lack of familiarity with non steady-state heat transfer problems and requests resources to understand the heat transfer through a portion of the pipe with a flame front.
  • Another participant notes that the topic is typically covered in heat transfer courses and suggests that it requires more than just a few formulas for a comprehensive understanding.
  • A participant mentions their experience with a heat transfer course but indicates that it did not cover moving flame fronts, raising the question of whether this adds complexity to the problem.
  • It is acknowledged that the transient nature of flame propagation indeed adds complexity to the heat transfer analysis.

Areas of Agreement / Disagreement

Participants generally agree that the topic involves complexities due to the transient nature of the flame front, but there is no consensus on specific methods or equations to address the problem.

Contextual Notes

Participants have not yet identified specific assumptions or limitations in their discussion, nor have they provided detailed mathematical steps or definitions relevant to the heat transfer analysis.

stinsonbr
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I am not familiar with non steady-state heat transfer problems, any resources on where I could get started would be a huge help:

There is a pipe filled with a fuel/air mixture. This mixture is ignited at one end of the pipe, so that the flame front propagates through the pipe. How can we determine the heat transfer through a portion of the pipe? Any equations or pointers would be greatly appreciated.
 
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This is usually covered in a heat transfer course. It takes more than a few formulas to give a decent treatment of the subject.
 
SteamKing said:
This is usually covered in a heat transfer course. It takes more than a few formulas to give a decent treatment of the subject.
I've taken one course, but we never went over a moving flame front, just general transient heat transfer problems. Does this not add more complexity to the problem?
 
stinsonbr said:
I've taken one course, but we never went over a moving flame front, just general transient heat transfer problems. Does this not add more complexity to the problem?
Undoubtedly it does, due to the transient nature of the flame propagation.
 

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