偏热环境下适宜风速实验与理论分析

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1、重庆大学硕士学位论文II英文摘要ABSTRACTAsoneofthesixmainfactorswhichwouldinfluencethermalsensation,theeffectsofairvelocityarebothadvantageousanddisadvantageous.Byliteraturereview,it’sfoundthatrisingairvelocitycouldeffectivelydecreasehumanthermalsensation,andimprovehumantherm

2、alcomfort.Butunsuitableairvelocitywouldcauseuncomfortabledraft.Basedontheresearchcontext,afurtherresearchonthecompensationeffectofairvelocitywascarriedouttofindouttherelationshipbetweenthermaldiscomfortanddiscomfortcausedbyairflowbytakinggenderdifferenceintoac

3、count,andagroupofrecommendedairvelocityunderwarmandhotenvironmentwouldbeachievedfinally.Theoreticalandexperimentalresearchwastakenoutinthisthesis.Bothsubjectivequestionnairevotesandobjectivephysiologicalparameterswererecordedintheexperimentalresearch.Therewere

4、10malesand10femalessubjectsparticipatedintheexperimentswhichconcluding6thermalconditions(airtemperaturevaryfrom30to34℃,airvelocityvaryfrom0.6to1.4m/s)and150hoursofexposureintotal.Amathematicalmodelcalled“HumanThermalPhysiologicalModel”wasusedinthetheoreticalre

5、search,whichwasanimportantfindingofourresearchteamrecently.Atheoreticalanalysisonhumanthermalresponseunderwarmandhotenvironmentwascarriedoutbythismodel.Analyzingtheresultsoftheexperiment,itwasfoundthatthereweredifferencesbetweenmaleandfemaleinsubjectiveandobje

6、ctivethermalresponses,includingthermalsensationvote、airmovementvote、satisfactionproportionoftheenvironmentandmeanskintemperature;Whenairvelocitywasinvariable,thehigherthetemperature,thelowertheairmovementvoteandthenumberofdiscomfortsymptomscausedbyairflow;Ther

7、ewasnosignificantdifferencebetweenairmovementvoteandthetimeexposuretowind,butthemeandiscomfortsymptomscausedbyairflowwillincreaselogarithmicallybytime.Usingmeanskintemperaturedatarecordedinexperiment,theaccuracyofHumanThermalPhysiologicalModelwasevaluatedbyane

8、wmethodofevaluatingtheaccuracyofpopulation-basedmodels,itwasfoundthatpredictvaluesofmaleoccupants’meanskintemperaturebythismathematicalmodelwerestatisticallyaccurate,whilethepredic