Mar 10 1992
From The Space Library
NASA technology studies have indicated that a next-generation high-speed civil transport (HSCT) would be able to meet engine emission and noise targets, although the sonic-boom problem would remain. Agency studies had shown that emissions could be reduced to an acceptable level by controlling the fuel air ratio in the combustor to eliminate high peak temperatures. NASA was also studying new high-lift flaps that allow the aircraft to climb rapidly, reducing the noise footprint. (Flight International, Mar 10/92)
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