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ASYMMETRIC FAN NOZZLE IN HIGH-BPR SEPARATE-FLOW NACELLE
ASYMMETRIC FAN NOZZLE IN HIGH-BPR SEPARATE-FLOW NACELLE
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机译:高BPR分离流纳赛尔中的不对称风扇喷嘴
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摘要
A fan nozzle for an aircraft gas turbine engine is comprised of a core engine cowl that is disposed within a fan cowl so that an air flow area is defined therebetween. The core engine cowl and fan cowl are disposed around a horizontal central plane. The fan cowl has a substantially circular shape and is formed of an upper substantially semi-circular portion having a first radius and a lower substantially semi-circular portion having a second radius. The core engine cowl has a substantially circular shape and is formed of an upper substantially semi-circular portion having a third radius and a lower substantially semi-circular portion having a third radius. The upper substantially semi-circular portion of the core engine cowl includes a left arcuate member and a right arcuate member. The second radius is less than the first radius and the third radius is less than the fourth radius.
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