Model for particle redistribution during spacecraft launch

Eugene N. Borson

doi:10.1117/12.481664

11 September 2002 Model for particle redistribution during spacecraft launch

Eugene N. Borson

Proceedings Volume 4774, Optical System Contamination: Effects, Measurements, and Control VII; (2002) https://doi.org/10.1117/12.481664
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

During the launch of a spacecraft, particles on the spacecraft, support structure, and the payload fairing may be removed from surfaces and move to other surfaces. Some particles may vent from the payload fairing. It is desirable to be able to predict the cleanliness of critical surfaces following launch based on hardware cleanliness before launch. Reliable prediction of post-launch contamination would help in setting hardware cleanliness and cleaning requirements during assembly and integration operation before launch. Particles are removed from surfaces by forces that result from vibro-acoustic, shock, acceleration, and aerodynamic actions. Acceleration and aerodynamic forces may transport the removed particles to other surfaces and out of the vents.

Citation Download Citation

Eugene N. Borson "Model for particle redistribution during spacecraft launch", Proc. SPIE 4774, Optical System Contamination: Effects, Measurements, and Control VII, (11 September 2002); https://doi.org/10.1117/12.481664

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