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Generic Fire Size Calculation For Different Materials

fire firesize fireengineering rho

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#1 Dormelius

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Posted 20 April 2023 - 02:51 PM

Hi everyone,

 

I need to calculate the physical size (sort of standard dimensions) of fire for a project. Basically, it is a comparison of what will be the dimensions of a 100kw Radiant Heat Output Fire (RHO) of different materials. For example: the 1ftx1ft n-heptane fire is approx. 40-50kw so what will the dimensions be of like 100kw ethylene fire or 100kw propane fire or 100kw methane fire.

 

Can anyone pl. guide me in this regard? Will be much obliged.



#2 Pilesar

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Posted 20 April 2023 - 08:33 PM

I don't have an answer for you. What type of project would need this information and how could the information be used?



#3 breizh

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Posted 20 April 2023 - 10:07 PM

Hi,

Fair questions from Pilesar. Waiting for your reply.

Breizh



#4 Dormelius

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Posted 02 May 2023 - 06:30 AM

I don't have an answer for you. What type of project would need this information and how could the information be used?

 

Hi,

Fair questions from Pilesar. Waiting for your reply.

Breizh

 

Honestly speaking, there's no logic behind it. But the client is asking for it and now, we're suppose to provide this data. The main idea behind it is to compare fires of same RHO value but of different material and how that causes them to be different in dimensions.

 

I'm just looking for an estimation in this case, exact value is very difficult to find as it involves many variables and experimental values.



#5 breizh

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Posted 02 May 2023 - 07:20 AM

Hi,

You may find pointers in the resource attached.

Breizh 



#6 Dormelius

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Posted 06 May 2023 - 06:06 AM

Hi,

You may find pointers in the resource attached.

Breizh 

 

Hello,

 

Thank you Breizh for sharing the resource. It has been really helpful.

 

I would be much obliged if you could guide me on how I can find the contents mentioned in Table on Pg 24 namely "Burning Rate Data for Fuels". I have a few compounds whose data is not mentioned in the relevant table and I'm unable to find it in any other resource.



#7 breizh

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Posted 06 May 2023 - 06:48 AM

Hi,

Sorry I cannot offer more, try your favorite search engine, key words:burning rate of fuels.

 

Good luck

Breizh






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