Mars entry guidance for mid-lift-to-drag ratio vehicle with control constraints
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.106361
Abstract: Abstract With the control constraints taken into account, the Mars entry guidance problem of the entry vehicle with a mid-lift-to-drag ratio is investigated in this paper. A dual-loop guidance framework is proposed that the bank… read more here.
Keywords: bank angle; entry guidance; guidance; mars entry ... See more keywords
Sensitivity analysis of geometric parameters upon the aerothermodynamic performances of Mars entry vehicle
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.12.073
Abstract: Abstract Aerothermodynamic environment predictions play an important role in the heatshield design of Mars entry vehicle. This article investigates and presents the influences of geometric parameters of the heatshield on its aerothermodynamic performances. The three-dimensional… read more here.
Keywords: aerothermodynamic performances; vehicle; geometric parameters; sensitivity ... See more keywords
Blackout analysis of Mars entry missions
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.714
Abstract: Abstract A new methodology to accurately and efficiently examine the radio frequency blackout phenomenon during the hypersonic reentry process is introduced and validated. The current state-of-the-art thermochemical modelling of $\textrm {CO}_2$ flows is reviewed and… read more here.
Keywords: analysis mars; methodology; blackout analysis; analysis ... See more keywords
Neural-network-based real-time trajectory replanning for Mars entry guidance
Sign Up to like & getrecommendations! Published in 2017 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410016668910
Abstract: The real-time trajectory replanning method which is used for the guidance of Mars entry is investigated in this paper. Comparing with the traditional Mars entry guidance methods, such as the reference-trajectory tracking guidance and predictor–corrector… read more here.
Keywords: trajectory; mars entry; real time; guidance ... See more keywords
Stagnation-Point Aeroheating Correlations for Mars Entry
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Spacecraft and Rockets"
DOI: 10.2514/1.a34602
Abstract: This work details the development of new stagnation-point aeroheating engineering correlations for Mars entry vehicles. Convective and radiative heating relations were formulated over a wide range ... read more here.
Keywords: point aeroheating; correlations mars; stagnation point; aeroheating correlations ... See more keywords