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“Surface propulsion”means that the aircraft uses its surface of the shell to propel air. Due to the large surface area of the aircraft shell, aircraft using surface propulsion is equivalent to having a huge jet area. The huge surface area of the outer shell allows the aircraft to use a smaller airflow velocity to drive a large flow of gas, achieving high energy efficiency.
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 0 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |