Forthcoming and Online First Articles

International Journal of Space Science and Engineering

International Journal of Space Science and Engineering (IJSpaceSE)

Forthcoming articles have been peer-reviewed and accepted for publication but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

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International Journal of Space Science and Engineering (2 papers in press)

Regular Issues

  • Development and testing of an electrically-driven centrifugal pressurisation system for hybrid rockets in rocket propulsion   Order a copy of this article
    by Zelalem Berhanu Bogale, Eden Abeselom Habteslasie 
    Abstract: This study explores the development and evaluation of an electrically-driven centrifugal pressurisation system for liquid oxygen tanks as an alternative to conventional pressurisation methods in rocket propulsion. Computational fluid dynamics simulations were performed to model vortex formation within the tank using submerged impellers and resulting centrifugal pressures. A scaled prototype system was built incorporating optimised impeller designs informed by simulation results. Testing of the prototype validated pressure generation capabilities predicted by simulations. Analysis of simulation and testing data indicates the potential for this centrifugal pressurisation approach to simplify tank architecture, reduce vehicle mass, and enhance stability compared to autogenous pressurisation, turbo pumps, or inert gas storage by pressurising the liquid oxygen purely through electrically-driven impellers and centrifugal forces without additional stored gases or mechanised pumps. Further development work remains to fully assess feasibility of the concept prior to potential implementation in demonstration rockets.
    Keywords: centrifugal pressurisation; liquid oxygen tanks; computational fluid dynamics; submerged impellers; electrically-driven system; rocket propulsion.

  • Numerical analysis of propagation behaviour for high area-to-mass ratio objects in near-geostationary earth orbit   Order a copy of this article
    by Ahmed Magdy Abdelaziz, Yehia Abdel-Aziz, Igor Molotov, Shafeeq Kaheal Tealib 
    Abstract: Understanding the dynamics of high area-to-mass ratio (HAMR) objects in near-geostationary earth orbit (GEO) is essential for space situational awareness (SSA). This study develops a numerical propagator to model the long-term behaviour of HAMR objects, incorporating solar radiation pressure, Earths oblateness, and third-body gravitational effects. The propagators results were compared with Vimpel catalog ephemeris data, focusing on the orbital evolution of debris with varying area-to-mass ratios. The analysis revealed strong agreement between the propagator and ephemeris data, though some discrepancies regarding eccentricity and semi-major axis were identified. Findings show that HAMR debris in GEO can persist for decades, maintaining a mean motion near GEO while exhibiting significant variations in orbital parameters. These results enhance understanding of HAMR dynamics, offering insights for improving SSA and developing debris mitigation strategies.
    Keywords: space debris; numerical propagator; orbital dynamics; space situational awareness; SSA; perturbations; ephemeris data.

 

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