Calculate the percent energy distribution in a steam generator that goes into steam, losses to flue gas. The steam generator receives 480 short ton coal per day. The heating value of coal is 5600 KJ/kg. 833000 KJ/kg of water enter steam generator at 175 bar and 230 °C and leaves as steam at 180 bar and 540 °C . Combustion air enters at 27 °C and flue gases leave at 175 °C. The air to fuel ratio by mass is 20:1. Assume that the flue gases have the same variable specific heat as air.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1- Calculate the percent energy distribution in a steam generator that goes into steam, losses
to flue gas. The steam generator receives 480 short ton coal per day. The heating value of
coal is 5600 KJ/kg. 833000 KJ/kg of water enter steam generator at 175 bar and 230 °C
and leaves as steam at 180 bar and 540 °C . Combustion air enters at 27 °C and flue gases
leave at 175 °C. The air to fuel ratio by mass is 20:1. Assume that the flue gases have the
same variable specific heat as air.
Transcribed Image Text:1- Calculate the percent energy distribution in a steam generator that goes into steam, losses to flue gas. The steam generator receives 480 short ton coal per day. The heating value of coal is 5600 KJ/kg. 833000 KJ/kg of water enter steam generator at 175 bar and 230 °C and leaves as steam at 180 bar and 540 °C . Combustion air enters at 27 °C and flue gases leave at 175 °C. The air to fuel ratio by mass is 20:1. Assume that the flue gases have the same variable specific heat as air.
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