Development of an analytical transient evacuation model for the fairing jettison process

Michael Woronowicz

doi:10.1117/12.2640817

3 October 2022 Development of an analytical transient evacuation model for the fairing jettison process

Michael Woronowicz

Proceedings Volume 12224, Space Systems Contamination: Prediction, Control, and Performance 2022; 122240F (2022) https://doi.org/10.1117/12.2640817
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

A general, lumped-parameter, control volume equation is developed to describe the rapid loss of pressure associated with a launch vehicle fairing jettison event in its initial phase. Beginning with a general mass conservation statement, a sonic constraint is applied to the expanding gap between receding fairing halves to produce a statement for transient density. This is related to fairing pressure by assuming the expansion may be described by a polytropic process. A generic, singlestep, lateral fairing half separation case is created and explored for illustrative purposes.

Conference Presentation

Citation Download Citation

Michael Woronowicz "Development of an analytical transient evacuation model for the fairing jettison process", Proc. SPIE 12224, Space Systems Contamination: Prediction, Control, and Performance 2022, 122240F (3 October 2022); https://doi.org/10.1117/12.2640817

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