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Aerospace, Volume 7, Issue 5

May 2020 - 17 articles

Cover Story: Compared to their chemical counterpart, electric propulsion devices are well suited for nano- and micro-satellites (1–200 kg) operations. Among all technologies, Hall thrusters currently offer the highest thrust density and thrust-to-power ratio. Nonetheless, it is known that low-power Hall thrusters exhibit performances below mid- and high-power devices due to a larger surface-to-volume ratio. Examination of small Hall thruster current density distribution, ion current, and ion energy content in the far field is essential to verify whether the size also has an impact on plasma plume characteristics. Here measurement outcomes around 100 W are compared to higher power Hall thrusters far-field plume characterizations. View this paper.
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Articles (17)

  • Article
  • Open Access
19 Citations
9,745 Views
16 Pages

Following a global trend towards miniaturization, the population of nano- and micro-satellite continues to increase. CubeSats are standardized small size satellites based on 10 × 10 × 10 cm cube modules (1U) and are becoming sophisticated...

  • Article
  • Open Access
23 Citations
5,286 Views
25 Pages

The objective of this research project is divided in four parts: (1) to design a piezoelectric actuator-based de-icing system integrated to a flat plate experimental setup and develop a numerical model of the system with experimental validation, (2)...

  • Article
  • Open Access
1 Citations
4,043 Views
12 Pages

On the Application of Actively and Passively Excited Guided Elastic Waves for the Monitoring of Fiber-Reinforced Plastics

  • Kilian Tschöke,
  • Tobias Gaul,
  • Alexander Pietzsch,
  • Eberhard Schulze and
  • Lars Schubert

Nowadays, fiber-reinforced plastics are found in numerous industrial applications, such as aerospace, automotive engineering, railway, and naval engineering. These materials have high tensile and flexural strengths and nevertheless a low density at t...

  • Article
  • Open Access
4 Citations
5,258 Views
20 Pages

A technology gap persists in the visualization of optically inaccessible flow fields such as those in integrated systems. Advances in positron emission tomography (PET) technology are enabling its use in the engineering field to address this technolo...

  • Article
  • Open Access
19 Citations
5,220 Views
20 Pages

The objective of this research project is divided in four parts: (1) to design a piezoelectric actuator based de-icing system integrated to a flat plate experimental setup, develop a numerical model of the system and validate experimentally; (2) use...

  • Concept Paper
  • Open Access
33 Citations
11,277 Views
34 Pages

A Collaborative Approach for an Integrated Modeling of Urban Air Transportation Systems

  • Malte Niklaß,
  • Niclas Dzikus,
  • Majed Swaid,
  • Jan Berling,
  • Benjamin Lührs,
  • Alexander Lau,
  • Ivan Terekhov and
  • Volker Gollnick

The current push in automation, communication, and electrical energy storage technologies has the potential to lift urban mobility into the sky. As several urban air mobility (UAM) concepts are conceivable, all relevant physical effects as well as mu...

  • Article
  • Open Access
22 Citations
10,175 Views
18 Pages

The Blended Wing Body (BWB) configuration is considered to have the potential of providing significant advantages when compared to conventional aircraft designs. At the same time, numerous studies have reported that technical challenges exist in many...

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Aerospace - ISSN 2226-4310