Optimal staging of reusable launch vehicles for minimum life cycle cost

BU Jo, J Ahn - Aerospace Science and Technology, 2022 - Elsevier
This paper proposes an optimal staging procedure of a reusable launch vehicle considering
its life cycle operations. Instead of minimizing the lift-off mass of a single launch adopted by …

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

P Jin, 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 …

A hybrid hyper-heuristic whale optimization algorithm for reusable launch vehicle reentry trajectory optimization

Y Su, Y Dai, Y Liu - Aerospace Science and Technology, 2021 - Elsevier
Trajectory optimization is essentially an optimal control problem (OCP) with highly nonlinear
dynamic properties and complex constraints, and a critical part of spacecraft design. In this …

Methods for the Calculation and Control of Launch Vehicle Drop Regions

Y Kapelyushin, R Lazorak, R Peshkov, E Trofimov - Aerospace, 2023 - mdpi.com
The article aims at reviewing the drop regions (DR) of the launch vehicles (LV) separating
parts (SP) and methods of their determination. The DRs include sea and land areas; going …

Simultaneous sizing of a rocket family with embedded trajectory optimization

BU Jo, K Ho - Journal of Spacecraft and Rockets, 2024 - arc.aiaa.org
This paper presents a sizing procedure for a rocket family capable of fulfilling multiple
missions, considering the commonalities between the vehicles. The procedure aims to take …

Mission Profile Analysis of Point-to-Point Rocket Cargo Transportation System Using Trajectory Optimization

SD Lee, KW Jung, CH Lee - Journal of Spacecraft and Rockets, 2024 - arc.aiaa.org
This paper proposes new concepts for the point-to-point rocket cargo transportation system
(RCTS). The RCTS is a transportation system that can deliver cargo anywhere on Earth in …

Simultaneous Optimization of Launch Vehicle Stage and Trajectory Considering Operational Safety Constraints

J Ko, J Kim, J Choi, J Ahn - arXiv preprint arXiv:2307.12642, 2023 - arxiv.org
A conceptual design of a launch vehicle involves the optimization of trajectory and stages
considering its launch operations. This process encompasses various disciplines, such as …

Simultaneous Optimization of Launch Vehicle Stage and Trajectory Considering Flight-Requirement Constraints

J Ko, J Kim, J Choi, J Ahn - … Journal of Aeronautical and Space Sciences, 2024 - Springer
A conceptual design of a launch vehicle encompasses various disciplines, such as structural
design, aerodynamics, propulsion systems, flight control, and stage sizing. This paper …

Numerical simulation of sloshing in the propellant tank of reusable rocket vehicle using meshfree method

S Zhou, Y Kong, S Zhang, J Zhang, Y Zheng - Computational Particle …, 2023 - Springer
In the present study, the SPH method is implemented to simulate the sloshing in the
propellant tank of a reusable rocket vehicle. The SPH method with the surface tension model …

Development trend and integrated design of liquid launch vehicle

H Yang III - AOPC 2023: Laser Technology and Applications; …, 2023 - spiedigitallibrary.org
Over the past decade, numerous types of launch vehicles, exceeding a dozen in total, have
achieved their maiden flights. Through a meticulous analysis and evaluation of these launch …