General synthetic iterative scheme for nonlinear gas kinetic simulation of multi-scale rarefied gas flows

L Zhu, X Pi, W Su, ZH Li, Y Zhang, L Wu - Journal of Computational Physics, 2021 - Elsevier
The general synthetic iterative scheme (GSIS) is extended to find the steady-state solution of
the nonlinear gas kinetic equation, resolving the long-standing problems of slow …

Opportunistic preventive maintenance scheduling for multi-unit reusable rocket engine system based on the variable maintenance task window method

P **, Z Chen, R Li, Y Li, G Cai - Aerospace Science and Technology, 2022 - Elsevier
The reusable rocket engine (RRE), recognized as future propulsion system for space
transportation, is composed of multiple components of which each one plays an essential …

[HTML][HTML] 3D ray tracing solver for communication blackout analysis in atmospheric entry missions

VF Giangaspero, V Sharma, J Laur, J Thoemel… - Computer Physics …, 2023 - Elsevier
During the atmospheric entry phase at hypersonic speed, the radio communication from/to a
space vehicle can be disrupted due to the formation of a plasma sheath within the …

Numerical investigation of aerodynamic separation schemes for two-stage-to-orbit-like two-body system

Y Wang, Y Wang, Z Jiang - Aerospace Science and Technology, 2022 - Elsevier
Abstract Two-stage-to-orbit (TSTO) hypersonic vehicle is considered one of the most
promising next-generation reusable launch vehicle (RLV) systems for its efficiency and …

Phase-A design of a reusable re-entry vehicle

A Aprovitola, L Iuspa, G Pezzella, A Viviani - Acta Astronautica, 2021 - Elsevier
In this paper, a design procedure developed to obtain a Phase-A compliant optimal
aeroshape is presented. The proposed vehicle performs a low Earth orbit re-entry and a …

Recovery trajectory planning for the reusable launch vehicle

G Cheng, W **g, C Gao - Aerospace Science and Technology, 2021 - Elsevier
Trajectory planning method for the entire recovery process of the reusable launch vehicle is
studied. Firstly, a revised trajectory correction method (RTCM) is proposed to reduce the …

Numerical analysis on thermal environment of reusable launch vehicle during supersonic retropropulsion

X Wang, X Xu, Q Yang - International Journal of Thermal Sciences, 2024 - Elsevier
Develo** reusable launch vehicles (RLV) is an effective way to significantly reduce space
transportation costs. However, in the return stage of the vehicle, especially the supersonic …

Heat and drag reduction of single and combined opposing jets in hypersonic nonequilibrium flows

W Zhang, X Wang, Z Zhang, F Han, S Zhao - Aerospace Science and …, 2022 - Elsevier
To establish a method of achieving effective thermal protection and drag reduction in
hypersonic flows with an opposing jet under a low flow rate, this study compared three …

Low speed longitudinal aerodynamics of a blended wing-body re-entry vehicle

A Viviani, A Aprovitola, L Iuspa, G Pezzella - Aerospace Science and …, 2020 - Elsevier
This paper deals with the evaluation of low-speed longitudinal aerodynamic performances
of a vehicle concept with an unconventional blended wing-body aeroshape. The spacecraft …

Dynamic mode decomposition analysis of the common research model with adjoint-based gradient optimization

PL Wu, PY Wang, HS Gao - Physics of Fluids, 2021 - pubs.aip.org
Aerodynamic shape refinement optimization for passenger aircraft is difficult and requires a
significant workload. The adjoint-based gradient optimization method can quickly find local …