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If the percentage of fuel in a fuel-air mixture falls below a certain level (lower explosive limit, LEL)or above a certain level (upper explosive...
If the percentage of fuel in a fuel-air mixture falls below a certain level (lower explosive limit, LEL)or above a certain level (upper explosive limit, UEL), the mixture cannot be ignited. This is caused bythere being too little fuel or too little oxygen, respectively. The LEL and UEL for propane in air is 2.05mol% and 11.4 mol% (mole propane/total moles). If 125 mol/s pure propane is fed to a mixing tankalong with pure air, what is the minimum and maximum air flow rates necessary to guarantee productionof an ignitable mixture? Draw and label a flowchart and perform DOF analysis before solving.
