Methane gas (CH4) at 25C, 1 atm and a volumetric flow rate
Chapter 13, Problem 13.48(choose chapter or problem)
Methane gas (\(\mathrm{CH}_{4}\)) at \(25^{\circ} \mathrm{C}\), 1 atm and a volumetric flow rate of \(27 \mathrm{~m}^{3} / \mathrm{h}\) enters a heat-treating furnace operating at steady state. The methane burns completely with 140% of theoretical air entering at \(127^{\circ} \mathrm{C}\), 1 atm. Products of combustion exit at \(427^{\circ} \mathrm{C}\), 1 atm. Determine
(a) the volumetric flow rate of the air, in \(\mathrm{m}^{3} / \mathrm{h}\).
(b) the rate of heat transfer from the furnace, in kJ/h.
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