Development of and flight results from the Space Acceleration Measurement System (SAMS)

DeLombard, Richard; Finley, Brian; Baugher, Charles R.

doi:10.2514/6.1992-354

Cited by 8 publications

(3 citation statements)

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“…This was not the case for the ground controls. 41 During sleep periods acceleration magnitudes of 10 -6 -10 -5 g were measured with 10 -4 g during crew activity. Vernier thruster firing (used to maintain altitude and attitude) caused acceleration shifts of 10 -4 g and primary thruster firings caused accelerations as great as 10 -2 g. It is these primary thruster firings that are used for satellite deployments.…”

Section: How Have Previous Experiments Performed?mentioning

confidence: 99%

“…Using standard laboratory techniques to grow similar crystals on the Earth, the improvement was small but still measurable. 53 In August of 1994 a Progress vehicle brought the Space Acceleration Measurement System (SAMS) 41 to Mir. During the month of October acceleration data were recorded over 53 h in seven different time periods to survey locations for possible future experiments.…”

Section: The Mir Space Stationmentioning

confidence: 99%

“…STS-40 launched in June 1991 with the Spacelab Life Sciences Mission. Although it did not carry protein crystal growth experiments, it is notable because of the Space Acceleration Measurement System (SAMS) that characterized the acceleration environment on board the Orbiter . During sleep periods acceleration magnitudes of 10 -6 −10 -5 g were measured with 10 -4 g during crew activity.…”

Section: How Have Previous Experiments Performed?mentioning

confidence: 99%

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Microgravity and Macromolecular Crystallography

Kundrot

Judge

Pusey

et al. 2000

Crystal Growth & Design

118

107

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Macromolecular crystal growth is seen as an ideal experiment to make use of the reduced acceleration environment provided by an orbiting spacecraft. The experiments are small, are simply operated, and have a high potential scientific and economic impact. In this review we examine the theoretical reasons why microgravity is a beneficial environment for crystal growth and survey the history of experiments on the Space Shuttle Orbiter, on unmanned spacecraft, and on the Mir space station. The results of microgravity crystal growth are considerable when one realizes that the comparisons are always between few microgravity-based experiments and a large number of earth-based experiments. Finally, we outline the direction for optimizing the future use of orbiting platforms.

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Section: How Have Previous Experiments Performed?mentioning

confidence: 99%

Section: The Mir Space Stationmentioning

confidence: 99%

Section: How Have Previous Experiments Performed?mentioning

confidence: 99%

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