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nsc
Active Contributor

Join Date: Aug 2010
Posts: 15

Boiler - Fuel Temperature; Air Moisture

09/28/2011 8:32 AM

hi every one

I would like to know about effect of "Fuel Temperature" and "Air Temperature" and "Fuel moisture" and "Air Moisture" on Boiler efficiency? any one can help me? do you know an article about this?
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RAMConsult
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Engineering Fields - Power Engineering - New Member

Join Date: May 2007
Location: NYC metropolitan area.
Posts: 3230
Good Answers: 444
#1

Re: Boiler - Fuel Temperature; Air Moisture

09/28/2011 9:29 PM

They all have an effect...

Cold fuel requires energy to raise its temperature, likewise for cold air.

Fuel moisture requires energy to vaporize, as does air moisture.

All of this energy has to come from somewhere and requires additional fuel that would otherwise go into the process stream and has to be accounted for in the heat balance calculations. Time to use Google to answer your own questions.

__________________
 “Tell me and I forget. Teach me and I remember. Involve me and I learn.” Ben Franklin.
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Carl_E
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Join Date: Nov 2009
Posts: 335
Good Answers: 63
#2

Re: Boiler - Fuel Temperature; Air Moisture

09/29/2011 10:25 PM

Temperature effect discussion in this document on basics of combustion.

http://www.tsi.com/uploadedFiles/Product_Information/Literature/Handbooks/CA-basic-2980175.pdf
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