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  • Other Sources  (4)
  • 2010-2014  (4)
  • 1
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    Approach to an Affordable and Sustainable Space Transportation System (2012)
    In:  CASI
    Details
    Publication Date: 2019-07-19
    Description: This paper describes an approach and a general procedure for creating space transportation architectural concepts that are at once affordable and sustainable. Previous papers by the authors and other members of the Space Propulsion Synergy Team (SPST) focused on a functional system breakdown structure for an architecture and definition of high-payoff design techniques with a technology integration strategy. This paper follows up by using a structured process that derives architectural solutions focused on achieving life cycle affordability and sustainability. Further, the paper includes an example concept that integrates key design techniques discussed in previous papers. !
    Keywords: Economics and Cost Analysis
    Type: KSC-2012-062 , 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference; Jul 30, 2012 - Aug 01, 2012; Atlanta, GA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    International Space Station Utilization: Tracking Investigations from Objectives to Results (2011)
    In:  CASI
    Details
    Publication Date: 2019-07-19
    Description: Since the first module was assembled on the International Space Station (ISS), on-orbit investigations have been underway across all scientific disciplines. The facilities dedicated to research on ISS have supported over 1100 investigations from over 900 scientists representing over 60 countries. Relatively few of these investigations are tracked through the traditional NASA grants monitoring process and with ISS National Laboratory use growing, the ISS Program Scientist s Office has been tasked with tracking all ISS investigations from objectives to results. Detailed information regarding each investigation is now collected once, at the first point it is proposed for flight, and is kept in an online database that serves as a single source of information on the core objectives of each investigation. Different fields are used to provide the appropriate level of detail for research planning, astronaut training, and public communications. http://www.nasa.gov/iss-science/. With each successive year, publications of ISS scientific results, which are used to measure success of the research program, have shown steady increases in all scientific research areas on the ISS. Accurately identifying, collecting, and assessing the research results publications is a challenge and a priority for the ISS research program, and we will discuss the approaches that the ISS Program Science Office employs to meet this challenge. We will also address the online resources available to support outreach and communication of ISS research to the public. Keywords: International Space Station, Database, Tracking, Methods
    Keywords: Space Sciences (General)
    Type: JSC-CN-24701 , American Society for Gravitational and Space Biology; Nov 02, 2011 - Nov 06, 2011; San Jose, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Life Science on the International Space Station Using the Next Generation of Cargo Vehicles (2011)
    In:  CASI
    Details
    Publication Date: 2019-07-19
    Description: With the retirement of the Space Shuttle and the transition of the International Space Station (ISS) from assembly to full laboratory capabilities, the opportunity to perform life science research in space has increased dramatically, while the operational considerations associated with transportation of the experiments has changed dramatically. US researchers have allocations on the European Automated Transfer Vehicle (ATV) and Japanese H-II Transfer Vehicle (HTV). In addition, the International Space Station (ISS) Cargo Resupply Services (CRS) contract will provide consumables and payloads to and from the ISS via the unmanned SpaceX (offers launch and return capabilities) and Orbital (offers only launch capabilities) resupply vehicles. Early requirements drove the capabilities of the vehicle providers; however, many other engineering considerations affect the actual design and operations plans. To better enable the use of the International Space Station as a National Laboratory, ground and on-orbit facility development can augment the vehicle capabilities to better support needs for cell biology, animal research, and conditioned sample return. NASA Life scientists with experience launching research on the space shuttle can find the trades between the capabilities of the many different vehicles to be confusing. In this presentation we will summarize vehicle and associated ground processing capabilities as well as key concepts of operations for different types of life sciences research being launched in the cargo vehicles. We will provide the latest status of vehicle capabilities and support hardware and facilities development being made to enable the broadest implementation of life sciences research on the ISS.
    Keywords: Life Sciences (General)
    Type: JSC-CN-24700 , American Society for Gravitational and Space Biology; Nov 02, 2011 - Nov 06, 2011; San Jose, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    High-Payoff Space Transportation Design Approach with a Technology Integration Strategy (2011)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: A general architectural design sequence is described to create a highly efficient, operable, and supportable design that achieves an affordable, repeatable, and sustainable transportation function. The paper covers the following aspects of this approach in more detail: (1) vehicle architectural concept considerations (including important strategies for greater reusability); (2) vehicle element propulsion system packaging considerations; (3) vehicle element functional definition; (4) external ground servicing and access considerations; and, (5) simplified guidance, navigation, flight control and avionics communications considerations. Additionally, a technology integration strategy is forwarded that includes: (a) ground and flight test prior to production commitments; (b) parallel stage propellant storage, such as concentric-nested tanks; (c) high thrust, LOX-rich, LOX-cooled first stage earth-to-orbit main engine; (d) non-toxic, day-of-launch-loaded propellants for upper stages and in-space propulsion; (e) electric propulsion and aero stage control.
    Keywords: Spacecraft Design, Testing and Performance
    Type: KSC-2011-031 , KSC-2011-031R , KSC-2011-031RR , 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference; Jul 31, 2011 - Aug 03, 2011; San Diego, CA; United States
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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