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首页> 外文会议>AIAA aviation technology, integration and operations conference >Active Flow Control (AFC) and Insect Accretion and Mitigation (IAM) System Design and Integration on the Boeing 757 ecoDemonstrator
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Active Flow Control (AFC) and Insect Accretion and Mitigation (IAM) System Design and Integration on the Boeing 757 ecoDemonstrator

机译：主动流量控制（AFC）和昆虫吸收和缓解（IAM）系统设计和集成在波音757 EcodeMonstrator上

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This paper presents a systems overview of how the Boeing and NASA team designed, analyzed, fabricated, and integrated the Active Flow Control (AFC) technology and Insect Accretion Mitigation (IAM) systems on the Boeing 757 ecoDemonstrator. The NASA Environmentally Responsible Aviation (ERA) project partnered with Boeing to demonstrate these two technology systems on a specially outfitted Boeing 757 ecoDemonstrator during the spring of 2015. The AFC system demonstrated attenuation of flow separation on a highly deflected rudder and increased the side force generated. This AFC system may enable a smaller vertical tail to provide the control authority needed in the event of an engine failure during takeoff while still operating in a conventional manner over the rest of the flight envelope. The AFC system consisted of ducting to obtain air from the Auxiliary Power Unit (APU), a control valve to modulate the system mass flow, a heat exchanger to lower the APU air temperature, and additional ducting to deliver the air to the AFC actuators located on the vertical tail. The IAM system demonstrated how to mitigate insect residue adhesion on a wing's leading edge. Something as small as insect residue on a leading edge can cause turbulent wedges that interrupt laminar flow, resulting in an increase in drag and fuel use. The IAM system consisted of NASA developed Engineered Surfaces (ES) which were thin aluminum sheet substrate panels with coatings applied to the exterior. These ES were installed on slats 8 and 9 on the right wing of the 757 ecoDemonstrator. They were designed to support panel removal and installation in one crew shift. Each slat accommodated 4 panels. Both the AFC and IAM flight test were the culmination of several years of development and produced valuable data for the advancement of modern aircraft designs.
机译：本文介绍了波音和美国宇航局的设计，分析，制造和集成了波音757 Ecodemonstrator上的波音和美国宇航局的设计，分析，制造和集成了主动流量控制（AFC）技术和IAM）系统的系统概述。美国宇航局环保航空（时代）项目与波音公司合作，在2015年春季展示了这两种技术系统。AFC系统在高度偏转的舵上显示了流动分离的衰减，并增加了产生的侧力。该AFC系统可以使得较小的垂直尾部能够在起飞期间发动机故障的情况下提供所需的控制权，同时仍然以传统方式在飞行包络的其余部分上操作。 AFC系统包括管道，以获得来自辅助动力单元（APU）的空气，控制阀调制系统质量流量，热交换器降低APU空气温度，以及额外的管道，以将空气输送到位于AFC致动器的空气中在垂直尾巴上。 IAM系统证明了如何在翼的前缘上减轻昆虫残留粘附。作为前缘上的昆虫残留物的东西可能导致中断层流的湍流楔形，导致阻力和燃料使用增加。 IAM系统由NASA开发的工程表面（ES）组成，其是薄铝板基板面板，其中涂层涂覆在外部。这些es安装在757 ecodemonstrator的右翼的板条8和9上。它们旨在支持一个船员的拆除和安装。每个板条都容纳4个面板。 AFC和IAM飞行试验都是多年的开发的高潮，并为现代飞机设计的进步提供了宝贵的数据。

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