X-51今年12月执行Mach6 试飞

来源：百度文库编辑：超级军网时间：2024/04/28 20:35:54

由B-52挂载飞至太平洋上空五万英尺高度释放
固体火箭将x-51加速至M4.5而后主发动机（supersonic combustion scramjet ）点火达到M6并维持5min
之前类似实验的成绩为10s

所用燃料为JP-7
初始时会燃烧jP-7与乙烯（？，ethylene ）的混合物，而后转为直接使用JP-7

http://www.wpafb.af.mil/news/story.asp?id=123161761
鸟语

During the test, the B-52 will carry the X-51A to 50,000 feet over the Pacific Ocean and release it. A solid rocket booster on the X-51 will then ignite and accelerate the X-51 to about Mach 4.5. Then the fun starts. That's because after that, the supersonic combustion scramjet will blast the vehicle for five minutes to more than Mach 6. The longest-ever previous scramjet test, lasted only about 10 seconds, the Air Force stated.

Engineers expect a great deal will be learned about hypersonic flight during the nearly 300 seconds under scramjet power. The longest-ever previous scramjet test, lasted only about 10 seconds, Brink said. As the engine ignites it will initially burn a mix of ethylene and JP-7 before switching exclusively to JP-7 fuel.

另一篇报道，没更多东西，万一有人被美帝.mil反盾的话
http://www.networkworld.com/community/node/44966
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固体火箭将x-51加速至M4.5而后主发动机（supersonic combustion scramjet ）点火达到M6并维持5min
之前类似实验的成绩为10s

所用燃料为JP-7
初始时会燃烧jP-7与乙烯（？，ethylene ）的混合物，而后转为直接使用JP-7

http://www.wpafb.af.mil/news/story.asp?id=123161761
鸟语

During the test, the B-52 will carry the X-51A to 50,000 feet over the Pacific Ocean and release it. A solid rocket booster on the X-51 will then ignite and accelerate the X-51 to about Mach 4.5. Then the fun starts. That's because after that, the supersonic combustion scramjet will blast the vehicle for five minutes to more than Mach 6. The longest-ever previous scramjet test, lasted only about 10 seconds, the Air Force stated.

Engineers expect a great deal will be learned about hypersonic flight during the nearly 300 seconds under scramjet power. The longest-ever previous scramjet test, lasted only about 10 seconds, Brink said. As the engine ignites it will initially burn a mix of ethylene and JP-7 before switching exclusively to JP-7 fuel.

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