人体代谢耗氧模拟方法研究

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1、第20卷2014正第6期11月载人航天MannedSpaceflightV01．20No．6NOV．2014生命健康保障与人因工程专题·人体代谢耗氧模拟方法研究冯红旗1，董文平1’2，刘力涛1’2，王康1，杨京松1(1．中国航天员科研训练中心，北京100094；2．中国航天员科研训练中心人因工程重点实验室，北京100094)摘要：利用沸石分子筛对氧气和氮气选择性吸附的特性，提出了分子筛吸附一解吸模拟密封舱内人体消耗氧气的方法，研制了能够模拟5人耗氧量的试验装置，并对装置的富氧气体氧浓度、密封舱内气体成分吸附情况、耗氧模拟精度lL辛I-氮气功能等进行了测试和分析

2、，经环控生保系统集成性能试验的使用考核，装置出口富氧气体氧浓度可达93％以上，耗氧模拟精度优于5％，基本不消耗密封舱内的其它气体成分，能够较好地模拟人体对氧气的消耗。结果表明：分子筛耗氧模拟方法精度高，对密封舱内气体成分影响小，装置工作稳定性好，适用于长期载人航天任务中密封舱环境参数控制能力的研究。关键词：环控生保系统；人体耗氧；分子筛；耗氧模拟装置；氧氮分离中图分类号：V527文献标识码：A文章编号：1674—5825(2014)06-0503-07ResearchonSimulationofOxygenConsumptioninHumanMetabolis

3、mFENGHongqi1，DONGWenpin91”，LIULita01”，WANGKan91，YANGJingson91(1．ChinaAstronautResearchandTrainingCenter，Beijing100094，China；2．NationalKeyLaboratoryofHumanFactorsEngineering，Beijing100094，China)Abstract：Utilizingtheselectiveabsorptioncharacteristicsofzeolitemolecularsieve，asimulation

4、techniqueofhumanoxygenconsumptioninaclosedcabinbasedontheabsorptionandde-absorptionprocessofmolecularsievewasproposedandanexperimentaldevicetosimulatetheoxygenconsump—tionoftwotofivepeoplewasdeveloped，whichcouldmonitorandcontroltheoxygendensityofthedeviceoutlet，aircomponentsandabsor

5、ptionintheclosedcabin，aswellastheperformanceofoxy—genconsumptionsimulationandnitrogencompensation．Theexperimentaldevicehaspassedthein—tegratedperformancetestintheEnvironmentalControlandLifeSupportSystem．Thetestresultsshowedthatthedensityoftheoxygen—richairinthedeviceoutletcouldexcee

6、d93％，theoxygenconsumptionsimulationaccuracycouldoutperform5％．almostnoothercomponentsintheclosedcabinwasconsumed，andthedevicecouldsimulatetheoxygenconsumptionwithverygoodperform—ance．Experimentalresultsdemonstratedthattheoxygensimulationtechniquebasedonmolecularsievepressureswingadso

7、rptioncouldachievehighaccuracy，makelesseffectonaircomponentsintheclosecabin，andoperatestably，whichmakeitsuitableforresearchontheclosedcabinenviron—mentalparametercontrolinlongtermmannedspacemissions．Keywords：EnvironmentalControlandLifeSupportSystem；body02consumption；molecularsieve；0

8、2consumptionsimulat