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Review of hybrid laminar flow control systems

机译：混合层流控制系统综述

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The aeronautic community always strived for fuel efficient aircraft and presently, the need for ecofriendly aircraft is even more, especially with the tremendous growth of air traffic and growing environmental concerns. Some of the important drivers for such interests include high fuel prices, less emissions requirements, need for more environment friendly aircraft to lessen the global warming effects. Hybrid laminar flow control (HLFC) technology is promising and offers possibility to achieve these goals. This technology was researched for decades for its application in transport aircraft, and it has achieved a new level of maturity towards integration and safety and maintenance aspects. This paper aims to give an overview of HLFC systems research and associated flight tests in the past years both in the US and in Europe. The review makes it possible to distinguish between the successful approaches and the less successful or outdated approaches in HLFC research. Furthermore, the technology status shall try to produce first estimations regarding the mass, power consumption and performance of HLFC systems as well as estimations regarding maintenance requirements and possible subsystem definitions.
机译：航空界一直在为节省燃料的飞机而努力，目前，对生态友好型飞机的需求甚至越来越大，尤其是随着空中交通的迅猛增长和对环境的日益关注。这些利益的一些重要驱动因素包括高油价，更少的排放要求，需要更多的环保飞机以减轻全球变暖的影响。混合层流控制（HLFC）技术前景广阔，并为实现这些目标提供了可能性。这项技术已经在运输飞机上进行了数十年的研究，在集成，安全和维护方面已经达到了新的成熟水平。本文旨在概述过去几年在美国和欧洲进行的HLFC系统研究和相关的飞行测试。通过这次审查，可以区分HLFC研究中的成功方法和不太成功或过时的方法。此外，技术状态应尝试对HLFC系统的质量，功耗和性能以及维护要求和可能的子系统定义进行初步估算。

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