| 摘要 |
<p>An aircraft fuel tank flammability reduction method includes feeding pressurized air into an air separation module (12) containing a carbon membrane (13), the air feed exhibiting a normal pressure of no more than 55 psig and the carbon membrane containing at least 95 weight percent carbon. The method includes producing nitrogen-enriched air from the air separation module (12) as a result of removing oxygen from the air feed. An aircraft fuel tank flammability reduction system includes a source for pressurized air, an air separation module (12) configured to receive air feed from the pressurized air source, and a carbon membrane (13) containing at least 95 weight percent carbon. The carbon membrane (13) is configured to permeate oxygen from the air feed through the carbon membrane at a temperature of at least 120 °C (248 °F) and to produce nitrogen-enriched air from the air separation module (12) as a result of removing oxygen from the air feed.</p> |
