A hybrid particle swarm optimization-gauss pseudo method for reentry trajectory optimization of hypersonic vehicle with navigation information model

Y Wu, J Deng, L Li, X Su, L Lin - Aerospace Science and Technology, 2021 - Elsevier
Reentry trajectory optimization of hypersonic vehicle has been a hotspot in recent years, and
the existing methods suffer from two drawbacks. First, the navigation error caused by the …

Study of terahertz wave propagation in realistic plasma sheath for the whole reentry process

W Ouyang, T Jin, Z Wu, W Deng - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Terahertz (THz) communication has always been considered as a potential solution for
“communication blackout” during aircraft reentry. In this article, the propagation …

[HTML][HTML] Difference analysis in terahertz wave propagation in thermochemical nonequilibrium plasma sheath under different hypersonic vehicle shapes

W Ouyang, LIU Qi, WU Zhengwei - Chinese Journal of Aeronautics, 2023 - Elsevier
Research on terahertz communication under different vehicles has important guiding
significance for the design of future hypersonic vehicle and Radio Frequency (RF) blackout …

[HTML][HTML] Influence analysis of uncertainty of chemical reaction rate under different reentry heights on the plasma sheath and terahertz transmission characteristics

W Ouyang, C Ding, Q Liu, Q Lu, Z Wu - Results in Physics, 2023 - Elsevier
Plasma sheath prediction of hypersonic vehicle is critical to radio frequency (RF) blackout
solutions as well as vehicle design and development. In this paper, an optimized chemical …

Influence of chemical kinetics models on plasma generation in hypersonic flight

P Sawicki, RS Chaudhry, ID Boyd - AIAA Journal, 2022 - arc.aiaa.org
The accuracy and sensitivity of plasma generation predicted by several different chemical
kinetics models is investigated in the context of weakly ionized hypersonic flowfields around …

Impact of ionization rate on the transmission of electromagnetic wave in realistic plasma

W Ouyang, Y Liu - Physics of Plasmas, 2020 - pubs.aip.org
A self-consistent calculation model of hypersonic fluid and electromagnetic wave (EM)
propagation around a vehicle was used for radio frequency (RF) blackout prediction. First …

Analysis of radio frequency blackout for a blunt-body capsule in atmospheric reentry missions

Y Takahashi, R Nakasato, N Oshima - Aerospace, 2016 - mdpi.com
A numerical analysis of electromagnetic waves around the atmospheric reentry
demonstrator (ARD) of the European Space Agency (ESA) in an atmospheric reentry …

Aerothermodynamic analysis for deformed membrane of inflatable aeroshell in orbital reentry mission

Y Takahashi, T Koike, N Oshima, K Yamada - Aerospace Science and …, 2019 - Elsevier
An inflatable aerodynamic decelerator with a membrane aeroshell is a promising key
technology in the reentry, descent, and landing phases of future space transportation. The …

Propagation path of radio waves in nonequilibrium reentry plasma around a nanosatellite with an inflatable aeroshell

Y Takahashi - IEEE Transactions on Aerospace and Electronic …, 2022 - ieeexplore.ieee.org
A communication blackout is one of the major problems that occurs during the reentry of a
satellite into the Earth's atmosphere, which is caused by the reentry plasma blocking …

Experimental demonstration and mechanism of mitigating reentry blackout via surface catalysis effects

H Takasawa, Y Takahashi, N Oshima… - Journal of Physics D …, 2021 - iopscience.iop.org
The reentry blackout phenomenon, which is the communication cut-off between the re-entry
vehicle and ground station, is a crucial problem that needs to be addressed. To improve …