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Perspectives of hydrogen aviation

  • 투고 : 2018.07.31
  • 심사 : 2019.01.03
  • 발행 : 2021.05.25

초록

The perspective of hydrogen (H2) aviation is discussed. While production of carbon dioxide (CO2) free renewable H2 is progressing towards costs comparable to those of today's steam reforming of methane, at about 1-1.5 $ per kg H2, the development of specific aviation infrastructure, as well as aircraft, is still in its infancy. Over the 21 years of this century, the most important manufacturers have only proposed preliminary studies, artist impressions more than detailed engineering studies. The major technical challenge is the fueling and safe and efficient storage of the H2, requiring a complete redesign of infrastructure and aircraft. From a political perspective, negative is the speculation on the global warming potential of contrails, and the covid19 pandemic which has largely disrupted the aviation sector, with the future of mass transport at risk of drastic downsizing. Especially the "great reset" agenda, limiting mass transport also for other goals than the simple control of viral spreading during the pandemic, may harm the deployment of H2 aviation, as elite aviation does not motivate huge investments in the use of a non-exhaustible fuel such as renewable H2, leaving favored alternatives such as hydrocarbon jet fuels, and in the longer term electric aviation.

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참고문헌

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