深潛器空氣環(huán)境控制數(shù)值模擬.pdf

1、哈爾濱工程大學(xué)碩士學(xué)位論文深潛器空氣環(huán)境控制數(shù)值模擬姓名：趙路陽(yáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：熱能工程指導(dǎo)教師：孫寶芝20090101哈爾濱T稗大學(xué)碩十學(xué)位論文AbstractMannedsubmersiblesarenecessarytoolsformarinedetectionLifeSupportSystemisoneofthemostsignificantelementsofmannedsubmersibles’designItdir

2、ectlydeterminescrews’lifesecurityandespeciallyaffectscrews’workefficiencyTheairenvironmentcontrolaccountforalargeratiointhedesignofLifeSupportSystem。Therefore，theLifeSupportSystem’SperformanceCanberaisedsharplyiftheairen

3、vironmentcontrolhadbeendeeplyresearchedVelocity，temperatureandcompositiondistributionsoftheairinthesphericalcabinarethemainfactorstoaffecttheairenvironmentalcomfortCabin’SenvironmentwasnumericallystimulatedbyFLUNET，acomm

4、ercialCFDsoftware，andfurtherresearchedinthispaperOnaspectofvelocityandtemperaturefield，theresearchhasbeencarriedoutfromthreeways：improvingtheformoftheairinletinordertogetamoresatisfiedenvironment，simulatingcabinenvironme

5、ntondifferentinletairstatepoint，andstudyingtheeffectoffivenormalairdistributionmodesonvelocityandtemperaturefieldAsforaircomposition，thefivenormaloxygenandcarbondioxidedistributionswerenumericallystimulatedbasedonthesche

6、meofoxygensupplyandcarbondioxideeliminationsuitableformannedsubmersibleswasdiscussedTheresultsofnumericalstimulationshowedthattheairenvironmentincabinetCanbeimprovedafterthemodifiedairdistributorwasused，andtheinletparame

7、terwhichinletvelocityis22m／sandinlettemperatureis30。CcansatisfycomfortablerequestThefeatureofvelocity，temperature，oxygenandcarbondioxidefieldweresummarizedunderthefiveairdistributionsItcansupportthedesignofairenvironment