Symbols used to represent surface area Ratio in Refrigeration

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SUMMARY

The discussion centers on the need for a symbol to represent the area ratio of low temperature heat exchangers to the total surface area of both low and high temperature heat exchangers, denoted as AL/AT. Participants agree that there is no standardized symbol for this ratio in refrigeration, allowing for flexibility in symbol creation as long as it is clearly defined. Existing literature shows varied symbols for similar concepts, reinforcing the notion that personal definitions are acceptable.

PREREQUISITES
  • Understanding of refrigeration principles and heat exchangers.
  • Familiarity with mathematical notation and symbols.
  • Knowledge of scientific literature and publication standards.
  • Experience in defining and using custom symbols in technical documentation.
NEXT STEPS
  • Research existing symbols in refrigeration literature for area ratios.
  • Explore guidelines for defining custom symbols in technical writing.
  • Investigate the use of subscripts in mathematical notation for clarity.
  • Review best practices for avoiding symbol clashes in engineering documentation.
USEFUL FOR

Engineers, researchers, and students in the field of refrigeration and heat exchange systems who require clarity in representing area ratios and custom symbols in their work.

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Dear all,

Does anyone know common symbols used to represent the ratio of two surface areas? The ratio is the surface area of low temp. heat exchanger divided by the total surface area of low and high temp. heat exchanger:
AL/AT = area ratio, i want to find or create a symbol for.

I would like to use any applicable symbol, but i am not confident, it may clash with other symbols in refrigeration.

I can use a symbol with a subscript but I'm finding it hard to think of a good one, any suggestions?
(There are soo many symbols I'm dealing with it's easy to clash)


kind regards
 
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You can use any symbol you like as long as you define it. Have you tried reading existing publications on refrigeration? You could read a few to see what's used. If you can't find one where it's mentioned then you don't need to worry about a clash.
I'd bet there's not a standard symbol for it. Don't worry.
 
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Thank you. I did read a few papers and have noticed they use different symbols for the same thing, so you are right in saying "You can use any symbol you like as long as you define it".
 

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