巖巷掘進工作面熱環(huán)境研究.pdf

1、安徽理工大學碩士學位論文巖巷掘進工作面熱環(huán)境研究姓名：朱庭浩申請學位級別：碩士專業(yè)：安全技術及工程指導教師：劉澤功20100604安徽理工大學碩士學位論文AbstractInthepaperthermalenvironmentofheadingfacewasstudiedOntheBasisofintroducedbasiccontentandhomeandabroadaboutnewlyresearchstateofHeadingFa

2、ce，analysisthedeficiencyandputforwardresearchcontentinthispaperStudyonfoundationofprevious，analysisthetemperaturefield，humidityfieldandvelocityfieldofHeadingFace，putforwardindexofthermalcomfortdegreeinHeadingFace，andmore

3、accurateevaluationthermalenvironmentofHeadingFaceThroughanalysis82一underrockconcentrationroadwayofXuTuanmineestablishmentreasonablemodelSimulationfindsthelawoftemperaturefieldandhumidityfield，andshowsthatthetemperaturefi

4、eldandhumidityfieldhavemainlychangeinrangeof3m，whichthetemperatureincrease3“C，andhumidityincreasefrom50％to90％butwhenthedistancemorethan5m，thetemperatureandhumiditykeepsinvariantByanalysisonindexofthermalcomfortdegreeinHe

5、adingFace，wecanseepmvequalto16，butinthereturnairpmvisalwaysupto24WorkersfeelsultrinessgenerallyInordertostudyvariationoftemperatureintheheadingface，especiallyhowteducingtemperature，thispapermainlyresearchonairvolumeandte

6、mperatureThoughsimulationobtainedthatdecreasetheinletairtemperatureCandecreasetemperatureofheadingface，temperatureofinletairlinear誦mtemperatureofheadingfaceWhentheinletairdecreaseto23。O，thetemperatureofheadingfaceCandecr

7、easetodemandstemperature，26“CIncreaseairvolumeCanalsodecreasetemperatureofheadingface，butnotSOsignificantlyⅥ／henairvolumeislowerincreaseairvolumeCandecreasetemperatureofheadingface，butwhenairvolumeishigherincreaseairvolu

8、mehasnoteffectsWhentheairvolumeupto400m3／min，themaximumcapacityonlyCandecreasetemperatureofheadingfaceto28“CExperimentanddateoftemperatureandete，alwaysprovethecorrectnessofsimulationThemeasurescomesfromsimulationhasguidi