Xcalibur: A Vertical Takeoff TSTO RLV Concept with a HEDM Upperstage and a SCRAM-Rocket Booster

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Author: Bradford, J., Charania, A., Olds, J., Graham, M. Published: 10 October 2002 Paper (PDF) Presentation (PDF)   Abstract: A new 3rd generation, two-stage-to-orbit (TSTO) reusable launch vehicle (RLV) has been designed. The Xcalibur concept represents a novel approach due to its integration method for the upperstage element of the system. The vertical-takeoff booster, which […]

Past Realities Versus Hypothetical Futures: Bridging Accurate Perceptions and Individual Expectation Gaps in Relation to Future Space Exploration at Entertainment Attractions

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Author: Charania, A., Bradford, J. Published: 10 October 2002 Paper (PDF) Presentation (PDF)   Abstract: It has been more than forty years since the dawn of the space age and the notion of human space flight has settled comfortably into the human psyche. Yet there is disconnect between the cinematic representations of space exploration and […]

Operational Capabilities and Legal Implications of a Military Space Plane

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Author: Charania, A. Published: 10 October 2002 Paper (PDF) Presentation (PDF)   Abstract: The potential challenges for the United States military in this upcoming century may require new types of capabilities only achievable through the application of new technologies. One of these potential capabilities includes a Military Space Plane (MSP). An MSP is a concept […]

Networks on the Edge of Forever: Examining the Feasibility of Using Meteor Burst (MB) Communication Networks on Mars

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Author: Charania, A. Published: 10 October 2002 Paper (PDF) Abstract: The envisioned future may include continuous operating outposts and networks on other worlds supporting human and robotic exploration. Given this possibility, a feasibility analysis is proposed for a communications architecture based upon reflection of ion trails from meteors in planetary atmospheres. Such Meteor Burst (MB) […]

Optimization of a Future RLV Business Case Using Mulitple Strategic Market Prices

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Author: Charania, A., Olds, J., Published: 10 October 2002 Paper (PDF) Presentation (PDF)   Abstract: There is a lack of depth in the current paradigm of conceptual level economic models used to assess the value and viability of future capital projects such as a commercial reusable launch vehicle (RLV). An RLV can potentially address multiple […]

System Level Uncertainty Assessment for Collaborative RLV Design

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Author: Charania, A., Bradford, J., Olds, J., Graham, M. Published: 08 April 2002 Paper (PDF) Presentation (PDF)   Abstract: A collaborative design process utilizing Probabilistic Data Assessment (PDA) is showcased. Given the limitation of financial resources by both the government and industry, strategic decision makers need more than just traditional point designs, they need to […]

SCORES-II Design Tool for Liquid Rocket Engine Analysis

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Author: Bradford, J. Published: 01 July 2002 Paper (PDF) Presentation (PDF)   Abstract: The SCORES-II program is a conceptual-level engineering design and analysis tool for the performance prediction of liquid propellant rocket engines. The tool is written in the C++ programming language and can be compiled and executed on all major computing platforms (e.g. UNIX, […]

Rapid Prediction of Aftbody Nozzle Performance in SCCREAM

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Author: Bradford, J. Published: 01 July 2002 Paper (PDF) Presentation (PDF)   Abstract: While the aftbody engine exhaust flowfield of hypersonic launch vehicles can be analyzed with computer-intensive computational fluid dynamic codes, this approach is not suitable for use in conceptual vehicle studies. In order to accomplish any complete vehicle-level optimization in the conceptual design […]