Now showing items 13-32 of 117

    • A Brief History of Mars Entry, Descent and Landing: 20 Minutes of Terror Followed by 5 Minutes of Q&A 

      Manning, Robert (Georgia Institute of Technology, 2008-06-27)
      Starting with the valiant attempts by the USSR to land the Mars 2 & 3 landers in 1971 through last month's Phoenix landing, Rob Manning will review the wild history of Mars landing attempts.
    • Challenges for the Heatshield Development of Sample Return Missions - An Overview on European Sample Return Studies and Requirements 

      Santovincenzo, A.; Ritter, Heiko; Walpot, L. (Georgia Institute of Technology, 2008-06-26)
      The atmospheric entry of the Earth return capsule of sample return mission is one of the most critical phases of sample return missions. The Earth return from extraterrestrial bodies (e.g. Mars, comets or asteroids) involves ...
    • Challenges of Designing the MarsNEXT Network 

      Geelen, Kelly; Tran, Philippe (Georgia Institute of Technology, 2008-06-26)
      In the European Space Agency's Aurora Programme, Europe has clearly identified the exploration of Mars as one of its main objectives, to contribute to the international effort on the exploration of the solar system. With ...
    • Characterization of CO2 Plasma Free Stream Conditions for Atmospheric Entry Simulation 

      Eichhorn, Christoph; Herdrich, Georg; Fertig, Markus; Winter, Michael; Auweter-Kurtz, Monika; Lein, Sebastian (Georgia Institute of Technology, 2008-06-24)
      Due to increased interest in future space exploration missions to Venus and Mars, e.g. ESA's ExoMars mission in the framework of the AURORA program, it is inevitable to develop adequate tools to simulate atmospheric entry ...
    • Characterization of LDMOS Devices in the Deep Cryogenic Regime 

      Kashyap, Avinash S.; Mantooth, H. A.; Mojarradi, M.; Mudholkar, M.; Vo, T. (Georgia Institute of Technology, 2008-06-25)
      LDMOS devices are increasingly gaining attention as they aid in easier integration with existing CMOS technologies. They are especially used in applications requiring higher operating voltages such as power management ...
    • Characterizing Exoplanet Atmospheres: A New Frontier 

      Swain, Mark (Georgia Institute of Technology, 2008-06-23)
      To answer the question: "Are we alone?"
    • Characterizing the Controllable Entry States and Reachable Sites for Planetary Landing 

      Benito, Joel; Mease, Kenneth (Georgia Institute of Technology, 2008-06-26)
      Future Mars missions requiring increased landing accuracy, higher landed mass, and higher elevation landing are driving the development of entry, descent and landing (EDL) technology. Understanding the envelope of trajectories ...
    • Cone Angle Choices for Atmospheric Entry Vehicles: A Review 

      Tauber, Michael; Wright, Michael J. (Georgia Institute of Technology, 2008-06-24)
      The vast majority of past and proposed planetary atmospheric probes, landers and sample return vehicles have been blunted cones with cone angles ranging from 45 to 70 deg. The objective here is to explain the large variation ...
    • Development of a Robust Planetary Polarization Nephelometer 

      Saltzman, Adam J.; Banfield, Don (Georgia Institute of Technology, 2008-06-26)
      We are developing a polarization nephelometer using reliable, low power-consumption laser diodes, for use on future planetary decent probes. The laser diodes provide a polarization modulated illumination source which enables ...
    • DOTNET Framework Design Environment for System Integration of Planetary Probe Payload Sensors and Interplanetary Trajectory Optimization 

      Schreck, Keith; Papadopoulos, Periklis; Subrahmanyam, Prabhakar (Georgia Institute of Technology, 2008-06-24)
      An engineering level system analysis based on the mission requirements and a web based design environment has been developed specifically for planetary in-situ instrumentation. The software architecture is linked to a ...
    • Engineering Considerations in Design of High Temperature Electronics for Planetary Probes 

      Peltz, Leora; Frampton, R.; Rubin, S.; Andrews, T.; Hussain, T. (Georgia Institute of Technology, 2008-06-25)
      Low weight and high reliability are primary goals in scientific exploration space missions. Many mission concepts involve probes operating at high ambient temperatures for various lengths of time. In these cases, ...
    • Entry & Descent System for the Exomars Mission 

      Beziat, Frederic; Arfi, Patrick (Georgia Institute of Technology, 2008-06-25)
      In the frame of the Aurora Exploration Program, ESA initiated the design phase of the development for the ExoMars mission. Thales Alenia Space-France led consortium was awarded the contract for design, development and ...
    • Entry, Descent, and Landing System Design for the Mars Gravity Biosatellite 

      Korzun, Ashley M.; Smith, Brandon P.; Yu, Chi-Yau; Hartzell, Christine M.; Hott, Kyle B.; Place, Laura A.; Braun, Robert D.; Martinelli, Scott K. (Georgia Institute of Technology, 2008-06-26)
      Mars Gravity Biosatellite is a novel program aimed at providing data on the effects of partial gravity on mammalian physiology. A collaboration between MIT and Georgia Tech, this student-developed free-flyer spacecraft ...
    • The Evolution of the MSL Heatshield 

      Driver, David M.; Slimko, Eric M.; Beck, Robin A. S. (Georgia Institute of Technology, 2008-06-26)
      The MSL entry vehicle will be experiencing aerothermal environments that no previous Mars entry vehicle has seen, and as such, will require a heatshield that no previous Mars entry vehicle has flown. Early assessments of ...
    • ExoMars Entry and Descent Science 

      Ball, Andrew J.; Ferri, Francesca (Georgia Institute of Technology, 2008-06-26)
      The entry, descent and landing of ExoMars offer a rare (once-per-mission) opportunity to perform in situ investigation of the martian environment over a wide altitude range. We present an initial assessment of the atmospheric ...
    • ExoMars Mission Analysis and Design from Mars Arrival to Landing 

      Anselmi, Alberto; Gittins, David; Northey, David; Luis Cano, Juan; Haya Ramos, Rodrigo; Portigliotti, Stefano (Georgia Institute of Technology, 2008-06-26)
      ExoMars is ESA's next mission to planet Mars. The project is currently undergoing Phase B2 studies under ESA management. In that context, DEIMOS is responsible for the Mission Analysis support to Thales Alenia Space Italy ...
    • ExoMars: ESA's Mission to Search for Signs of Life on the Red Planet 

      Elfving, A.; Haldemann, A.; Gardini, B.; McCoy, D.; Gianfiglio, G.; Kminek, G.; Vago, Jorge; Baglioni, P.; Trautner, Roland (Georgia Institute of Technology, 2008-06-26)
      Establishing whether life ever existed, or is still active on Mars today, is one of the outstanding scientific questions of our time. In order to timely address this important goal, within the framework of its Aurora ...
    • ExoMars: The Enhanced Baseline Mission 

      Cassi, Carlo (Georgia Institute of Technology, 2008-06-26)
      ExoMars is the first mission of the ESA Exploration Programme - Aurora. The mission will demonstrate the feasibility of several key technologies that are necessary to support the European ambitions for future human ...
    • Exploring Venus with Balloons - Science Objectives and Mission Architectures for Small and Medium-Class Missions 

      Hall, Jeffery L.; Baines, Kevin H.; Zahnle, Kevin J.; Limaye, Sanjay; Atreya, Sushil K. (Georgia Institute of Technology, 2008-06-26)
      Following the trailblazing flights of the 1985 twin Soviet VEGA balloons, missions to fly in the skies of Venus have been proposed to both NASA's Discovery Program and ESA's Cosmic Visions amd are currently being planned ...
    • Flood and Planetary Surface Management Satellite "HERMES" 

      Indrajit, Agung; Dalmeir, Michael; Kotsiaros, Stavros; Tesmer, Volker; Gataullin, Yunir (Georgia Institute of Technology, 2008-06-24)
      HERMES (Highly Enhanced Risk Management Emergency Satellite) is potential European satellite mission for global flood management, being implemented by Technical University Munich and European Space Agency. With its main ...