Prediction of the perspective regenerative air revitalization system functioning for long – term autonomous manned spaceflight

Аuthors

Glebov I. V.^*, Kurmazenko E. A.^**, Romanov S. Y., Zheleznyakov A. S.

Scientific Research and Design Institute of Chemical Engineering, NIIchimmash, 14, Bolshaya Novodmitrovskaya str., Moscow, 127015, Russia

*e-mail: igor.glebov4@rsce.ru
**e-mail: e_kurmazenko@niichimmash.ru

Abstract

The functioning prediction problem solving given the likely off-normal situations is of particular importancein aLife — Support Systemdesign intendedfor interplanetaryspacecraft crews.Oneof the possible approachesto its solution, based on an analysis of perspective regenerative air revitalization system is considered in this paper.The carbon dioxidereduction system designed to removecarbon dioxide from the gaseousenvironmentinhabitedmodulus,its concentration andsubsequent processingbyhydrogenation reactionto gaseoussubstances:methaneand water vapor is selected as an object ofprediction. The proposed approachis based on the simulation modelcreating designed forthe analysis of functioning modesundernormal operationandin the case ofpossibleoff —normal situations. The structure ofthe simulation model, the functionof its individualcomponentsand software implementation are defined andalsothe results of preliminarycomputational experiments are presented.
The proposedapproach to regenerative air revitalization systempredictionfunctioningas a complex system,whichconsists ofinterconnectedtechnological structureunits,operating indifferent timemodesandinteractingwith other systems andthe environment,allowsdeveloping a toolto solve differentdesign problems.
Directionsfor further workare:
1. A verification ofdeveloped simulation modelsbased on the resultsof experimental studiesof individual units.
2. A supplementsimulation modelof reliabilityevaluation procedures.
3. A conductingcomputational experimentsona simulation modeltoestimatethe likelyimpactof failures andoff — normal situationson thedesign parameters of thesystem and create thetechnical condition monitoringof the subsystems andidentifyfailuresin the regenerative air revitalization system technological structure.

Keywords:

manned spaceflight, regenerative air revitalization system, carbon dioxidereduction system, prediction of functioning, simulation model

References

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