Features

Thrusters Support Communications Satellite Launch

Monopropellant (hydrazine) thrustersAerojet RocketdyneSacramento, CA 916-355-4000 www.rocket.com Aerojet Rocketdyne, a GenCorp company, played a vital role in placing the second of three next-generation Tracking and Data Relay Satellites (TDRS-L) into orbit for NASA. In the second stage of launch, a single RL10A-4-2 engine ignited to place the TDRS-L into orbit, helped by 12 Aerojet Rocketdyne monopropellant (hydrazine) thrusters in four modules on the United Launch Alliance Atlas V Centaur upper stage, providing roll, pitch, and yaw control, as well as propellant settling burns during ascent. The RL10A-4-2 engine delivers 22,300 pounds of thrust to power the Atlas V upper-stage, using cryogenic liquid hydrogen and liquid oxygen propellants during its operation. ARDe, a New Jersey-based subsidiary of Aerojet Rocketdyne, provides the pressure vessels on the first and second stages of the launch vehicle. TDRS-L will use a single R-4D 100-lbf thruster for orbit insertion.

Posted in: Application Briefs

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Spectrometer Gratings Enable Mars Sample Analysis

Volume-phase, holographic-grating Raman spectrometer Wasatch Photonics Logan, UT 435-752-4301 www.wasatchphotonics.com Raman laser spectroscopy technology from Wasatch Photonics will be used to detect possible evidence of past or present life on Mars, and to garner insights into the history of water on the Red Planet.

Posted in: Application Briefs

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Oxygen Containers Transport Tank Assembly to ISS

Oxygen shipping containers Americase Waxahachie, TX 800-972-2737 www.americase.biz Americase designed, developed, and completed the first HM224B/DOT31FP shipping containers for the NORS (Nitrogen Oxygen Recharge System) program, a part of NASA’s Orbital Replacement Unit Project. Working in concert with The Boeing Company in Huntsville, AL, Americase created containers that will resupply the International Space Station with nitrogen and oxygen.

Posted in: Application Briefs

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A Fast “Train” to Success

In Sochi, Russia on February 23, Steven Holcomb, Steve Langton, Curt Tomasevicz, and Chris Fogt captured the Olympic bronze medal for the USA in the four-man bobsled designed by Bo-Dyn Bobsled Project Inc., a North Carolina-based company created by former NASCAR champion Geoff Bodine. The Night Train 2® sled was the passion of Bodine and his engineer, Bob Cuneo.

Posted in: UpFront

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Product of the Month: The Objet500 Connex3 Color Multi-Material 3D Printer

Stratasys, Eden Prairie, MN, has introduced the Objet500 Connex3 color multi-material 3D printer, the first 3D printer to combine colors with multi-material 3D printing. It features triple-jetting technology that combines droplets of three base materials to produce parts with virtually unlimited combinations of rigid, flexible, and transparent color materials, as well as color digital materials, all in a single print run. Similar to a 2D inkjet printer, three different color materials (VeroCyan, VeroMagenta, and VeroYellow) are combined to produce hundreds of vivid colors. These color materials join the PolyJet photopolymer materials, including digital materials, rigid, rubber-like, transparent, and high-temperature materials, to simulate standard and high-temperature engineering plastics. The printer features six palettes for rubber-like Tango colors, ranging from opaque to transparent colors in various shore values.

Posted in: Products

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Dr. Vadim Smelyanskiy, Principal Scientist, Ames Research Center, Moffett Field, CA

Dr. Vadim Smelyanskiy, Principal Scientist, Ames research Center, Moffett Field, CA Dr. Vadim Smelyanskiy is a principal scientist for physics-based methods in the Exploration Technology Directorate at NASA Ames Research Center. During his tenure at NASA, he has been the principal investigator on several projects funded by NASA and other government agencies.

Posted in: Who's Who

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Water Impact Simulation Ensures Safer Landing for NASA Astronauts

The water landing of a craft like the Orion Crew Module is a very complex and changeable event, subject to the dynamics of the vehicle’s structure and sub-structures, such as its heat shield and atmospheric and water conditions. To maintain the spacecraft’s structural integrity and increase safety of the crew, a clearer understanding of the dynamic loads generated during water impact was required.

Posted in: Application Briefs

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