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Relation of the burner to the appliance in which it is used
Entrainment of primary air
Problems illustrating the computation of primary air
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32 drill access of secondary air entrained air for complete air required air shutter amount of air amount of primary appliance to take burner constant burner head butane carbon dioxide carbon monoxide cent channel combustion is complete complete combustion cone cubic feet cubic foot density diameter effect efficiency entrainment of air equation factor of safety feet of air feet per hour formula fuel gas gas and primary gas stream gas supply gases given burner Hence high primary air hydrocarbons hydrogen and carbon inch of port inches of water increase lifting manufactured gas maximum mixer head mixing tube mixture of gas natural gas number of ports oxygen port area primary mixture primary zone products of combustion propane ratio reaction required for complete result satisfactory secondary air secondary zone sharp-edged orifice specific gravity square inch tion top burner total area usually velocity volume of air volume of gas