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GRC News Release 01-025
For Release: April 18, 2001

Barbara Kakiris, InDyne, Inc.
Media Relations Office

Lori J. Rachul
Media Relations Office

Upcoming Shuttle Mission To Carry Local Experiments

Northeast Ohio has good reason to join in the excitement about the International Space Station (ISS). NASA Glenn Research Center's Microgravity Science Division will have a role in the upcoming shuttle mission, STS-100, which is scheduled to launch at 2:41 p.m. on April 19.

Glenn has three experiments aboard the mission that will be flown to ISS:

Physics of Colloids in Space (PCS) will gather data on the basic physical properties of colloids by studying the growth and behavior of three different colloid sample types. Its intent is to understand how their properties may allow scientists to manipulate the physical structures of colloids ("colloidal engineering") for the manufacture of new materials and products. Industries that could benefit from colloidal research include semiconductors, electro-optics, ceramics and composites. Knowledge gained could also improve colloidal properties in common materials, including food, paints and coatings.

Space Acceleration Measurement System Project (SAMS) is comprised of two operational experiments, SAMS II (consisting of modular components, an Interim Control Unit, two Remote Triaxial Sensors and drawers supplied to payloads and racks) and Microgravity Acceleration Measurement System (MAMS). The difference in the operational experiments is two-fold. SAMS II measures vibratory disturbances (0.01 to 300 Hz) that affect experiments located near the cause of disturbance such as fans, crew bumps and pumps. MAMS measures vibratory and quasi-steady acceleration (frequencies from DC to 1 Hz) that affect the entire ISS such as aerodynamic drag influences, vehicle rotation and venting effects.

The SAMS Project develops, deploys and operates acceleration measurement systems to measure, collect, process, record and deliver selected acceleration data to researchers and other customers. The systems sustain the control, monitoring and characterization of a microgravity environment on platforms such as drop towers, aircraft, Shuttle and ISS. SAMS delivers acceleration data to the Principal Investigators' Microgravity Services (PIMS) Project, which then performs the analysis of the data. SAMS and PIMS assist researchers in understanding the effects of acceleration events on their studies in Materials Science, Combustion Science, Fluids Physics and Biotechnology.

Once the ISS crew sets up and provides initial activation of the three Glenn experiments, they will become the first to be commanded from Glenn's newly-renovated Telescience Support Center beginning on April 30 with MAMS activation and continuing through May 8 with PCS activation. This facility provides the capability to execute ground support command and control of on-orbit ISS and Space Shuttle payloads.

For more information on STS-100 and its experiments, please visit the following websites:

Glenn is NASA's lead Center for all aspects of Microgravity Combustion Science, Fluid Physics and Transport Phenomena and Acceleration Measurement Programs. Its Microgravity Science Division (MSD) conducts and sponsors ground-based scientific and technological studies that lead to space experiments. These efforts contribute new scientific knowledge by studying the effects of low gravity (microgravity) on important chemical and physical processes to improve the quality of life on Earth and to advance the presence of humans in space. The MSD will continue to contribute to future Shuttle and ISS missions in many ways including the design, buildup, testing and integration of experiment hardware packages.

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Note to Editors: Media representatives are invited to attend a viewing of the launch of STS-100 and interview key Glenn personnel involved in the science aboard the shuttle. The event will take place in Glenn's Visitor Center Auditorium on Thursday, April 19 from 2 - 4 p.m. Please call ahead to Barbara Kakiris or the Media Relations Office (216/433-2901) in order to be cleared through security.


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