Question

اورانهای Question 4 Question #4 10 pt Methane gas (CH4) is used in a combustion chamber with theoretical air to produce heat. The fuel is at 25°C, air is at 37°C, and the products of combustion are at 1100 K. Determine the amount of heat released during this combustion, kJ kg fuel = ? CH4 25°C. 0.01 kg/s 1100K Combustion chamber H₂O CO2 N2 Air 37°C BI U A- A - Tx E 1 x x 5 - VX CT 12pt Paragraph

Answer 1

Diven datos Full temp Tfeel 25° 298k 31ook an temp Tan 37°c Exet temp e mirxture ) = 11ook Te 2253.9 Methane volue of \/kg k cle 1005 any Coa value of -/kg k 1146 d/kg k CP value of poodlucks of combustion - mf 0.01 kg/sec ma 2 pero kg of fuel her: Eneegy seleased rip har = (narriz) x CPc Te - (m. Coa Ta CPA + me Tf hor x 1146x1100 mat mf O - [ Com) * 1005x310 + (225376748

the combustion occurs at the the theorakecal Qin fuel rato . = 14.7 ME her (144+1 D x ['146x11.00] 14.7 x 1005x310)+(2253.7x298) 225314 ber 14 540.03 kJ/kg of fuel