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Compressed propane (C3H 8) has been suggested as a source of economic power for vehicles. Suppose that in a test, 20 kg of C3H 8 is burned with 400 kg of air to produce 44 kg of CO and 12 kg of CO. Calculate the percent excess air.
heat: The percent of heat input to a combustion system that can be transferred to the load (furnace, boiler, air heater or incinerator) at a given exit flue gas temperature.
We studied these questions with a model com-prising a 258-reaction C3 mechanism, described be-low, and a thoroughly validated C 3 model taken from the literature [2]. While our focus was on pro-pane combustion, the parameter optimization tar-gets included experiments with additional fuels.
Combustion of Propane: Propane is a saturated hydrocarbon having three carbons in the parent carbon chain. The balanced chemical equation for the combustion of propane can be shown as follows: C 3 H 8 (g) Propane + 5 O 2 (g) Oxygen → 3 CO 2 (g) Carbon dioxide + 4 H 2 O (l) Water + Heat
Combustion is a chemical reaction during which a fuel is oxidized and a large quantity of energy is released. Each kmol of O2 in air is accompanied by 3.76 kmol of N2. The fuel must be brought above its ignition temperature to start the combustion.
Combustion Chemistry Basics •Combustion involves the oxidation of a fuel, ideally leading, for an organic fuel such as octane or ethanol, to the formation of carbon dioxide and water, with the release of heat. •The overall chemical equation, e.g. C 2 H 5 OH + 3.5O 2 2CO 2 +3H 2 O does not describe the way in which the reaction occurs.
An equation of state is presented for the thermodynamic properties of propane that is valid for temperatures from the triple point temperature (85.525 K) to 650 K and for pressures up to 1000 MPa. The formulation
