In a combustion chamber, ethane (C2 H6) is burned at a rate of 8 kg / h with air that enters th

step 1 The theoretical composition equation in this question is C2H6 plus A of oxygen O2 plus 3 .76 nit

In a combustion chamber, ethane (C2 H6) is burned at a rate...

In a combustion chamber, ethane $\left(\mathrm{C}_{2} \mathrm{H}_{6}\right)$ is burned at a rate of $8 \mathrm{~kg} / \mathrm{h}$ with air that enters the combustion chamber at a rate of $176 \mathrm{~kg} / \mathrm{h}$. Determine the percentage of excess air used during this process.

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Key Concepts

Air-Fuel Ratio

The air-fuel ratio is the mass or mole ratio of air to fuel used during combustion. It is critical for achieving efficient and complete combustion, as too little air can result in incomplete combustion while too much air might lower the reaction temperature and affect performance.

Excess Air Calculation

Excess air calculation determines how much air is supplied beyond the theoretical or stoichiometric requirement. It is typically expressed as a percentage and is used to ensure complete combustion by compensating for variations in fuel composition, heat losses, or other inefficiencies in the combustion process.

Combustion Stoichiometry

Combustion stoichiometry involves the balanced chemical equations that detail the amounts of reactants and products involved in a combustion reaction. It is essential for determining the precise amount of oxygen needed to completely burn a given fuel, ensuring that all carbon is oxidized to carbon dioxide and all hydrogen to water.

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