Reliability enhancement of the launch vehicle utilization system with the estimation of propellant residual mass

Jinjie Liu; Puhua Wang; Peng Yu

doi:10.1117/12.2617560

15 February 2022 Reliability enhancement of the launch vehicle utilization system with the estimation of propellant residual mass

Jinjie Liu, Puhua Wang, Peng Yu

Author Affiliations +

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 121665M (2022) https://doi.org/10.1117/12.2617560
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

A window adaptation linear estimation method of propellant mass is designed, to provide the correct propellant mass input for the utilization system in a variety of malfunction modes, and improve malfunction tolerance. In this way the utilization system can adjust the liquid oxygen control valve according to the predetermined adjustment scheme, amend the mixture ratio of the two propellants close to the theoretical value, and reduce the amount of remaining propellant that cannot be utilized due to the engine mixture ratio errors. And then the delivery capacity of the launch vehicle can be improved.

Citation Download Citation

Jinjie Liu, Puhua Wang, and Peng Yu "Reliability enhancement of the launch vehicle utilization system with the estimation of propellant residual mass", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 121665M (15 February 2022); https://doi.org/10.1117/12.2617560

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