Chemtrail spotters rattled by the sight of clouds streaking the sky, sit tight: researchers in Europe are working on eliminating contrails, the high-altitude condensation trails on which the conspiracy theory rests.
A European Union-backed project called PACIFIC is focused on understanding climate-neutral aviation with the goal of minimising non-CO2 emissions from planes.非CO2排放由水蒸气,氮氧化物,一氧化碳和烟灰组成,它们共同创造了天空中云的条纹。
这些条纹产生了完善的化学性化学阴谋阴谋,这是一个错误的信念,这实际上是造成的,实际上是对公众的化学或生物学作用。当涉及到我们的世界变得更热。 srcset =“ https://static.ffx.io/images/qunzoom_0.151%2C$ multiply_0.9788%2C$ ratio_1.5%2C$ Widt H_756%2C $ x_0%2C $ y_0/t_crop_custom/q_86%2cf_auto/1E033ADBB73118B8BBE58BBE58F353CB97EC97EC9DC557E02, https://static.ffx.io/images/qunzoom_0.151%2C$ multiply_1.9577%2C$ ratio_1.5%2C$ WIDTH_75 6%2C $ x_0%2C $ y_0/t_crop_custom/q_62%2CF_AUTO/1E033ADBB73118BBE58BBE58F353CB97EC9DC557E02 2x“高度=“ 494”宽度=“ 740”/> Contrails made by a plane flying at high altitude.Credit: Getty Images
Just 10 per cent of flights create 80 per cent of planet-warming contrails.它们通常发生在长途航班上,对于几乎所有澳大利亚国际旅行都是必不可少的。
在某些条件下,当水蒸气,非CO2排放和从发动机冻结发出的烟灰冻结以形成冰晶云的条纹时,会形成污染物。
平均长度为150千米或大约10分钟的平均长度。大多数(但不是全部)捕捉大气使大气温暖。
载荷,而只有10%至15%的缩影是持久的,其中大多数仅持续了几个小时,“它们可以通过捕获地球表面辐射的热量来加剧气候变化,从而更加质量地构成了温暖的环境。燃料组成和发动机周期(太平洋)财团。 It’s a gathering of 11 European partners organised to advance climate neutral aviation to cut non-CO2 emissions.
AdvertisementThe use of sustainable aviation fuels – on which the aviation industry is placing hopes for a more climate-friendly future – has shown they可以切割两个烟灰颗粒和预口冰晶体。 The PACIFIC program will test an “unprecedented range of fuels under controlled conditions” to “help define new fuel specifications aimed at reducing aviation’s climate and air quality impact”.
Airbus, jet engine-maker Rolls-Royce and the Johannes Gutenberg University Mainz in Germany with the University of Helsinki in Finland are among 11 participating organisations.
Cambridge University雷吉乌斯工程学教授史蒂文·巴雷特(Steven Barrett)在三月份在法国图卢兹的空中客车峰会上谈到该主题,他说,消除升温的避孕车是目标。情况,选择是消除所有可消除所有实际的。”巴雷特说,航空公司有一天可以建立一个经验法则他说,
该研究结果还可以帮助科学家和空中交通管制员设计一个模型,以帮助最小化或消除它们。空中客车已经花费了五年且17亿美元(26.5亿美元)的零排放,氢能飞机的研究,目的是使航空清洁剂。
一位空中客车发言人说,更广泛的“氢生态系统”至少在2020年的假设之后至少五到10年。他说:“虽然我们看到采用的时间表更长,但我们仍然将氢视为一种可行的新的,真正的零发射燃料,”他说。
有一天,围观者凝视着天空的围观者可能会发现白色条纹的云层不再神秘。 How land-based conspiracy theorists would greet this development cannot be anticipated.
Chris Zappone travelled to the Airbus summit as a guest of Airbus and Qantas.
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