新型保温被的研制与应用效果研究

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1、西北农林科技大学硕士学位论文新型保温被的研制与应用效果研究姓名：乔正卫申请学位级别：硕士专业：农业生物环境与能源工程指导教师：邹志荣20080501powerof21and37W．’11leheat—traIlsfercoef!ficientsoft11eHPQmadeofw00l谢t11aflatdensi锣of600g／一were3．42and3．49W／(∥’K)，alsolesstIlallt110seofs仃aWs(3．69and3．60W／(mz·K))aIldtlloseofcont阳stingH

2、PQ(3．64锄d3．53W／(mz·K))．TheHPQmadeofSpray-bonded吼w0Venfabricwimanatdensityof400g／IIl2orwool、Vitllanatdensit)rof600g／m2exceededsmlwsandmecomrastingHPQinheatpreservation．Choosingoxf．0rd硒inside锄doutsidematerials觚dadoptingt11es仃uctureof“outsidem砷erial+plaSticfilm

3、+core+insidematerial”，、^，oolHPQincludillgwool诵thanatdensit)rof600g／m2锄dfeltw001HPQincludingwoolinterlayer、vitIlanatdensityof600g／mz谳Iremade．Theirheatpreservationw弱testedbyfieldsmallarchg聆enhouseexperime此compared谢tllfeltHPQ、ⅣiⅡ1anatdensit)rof1kg／r一锄ldfeltHPQ“

4、tllanatdensi够of2k∥In2，砒ldfollo、析ngresults、Ⅳereobtajned：，(1)ThesmallarchgreeI山ouSescoveredwiththewoolHPQgot肌averageairtemperal=ureof23．1℃and锄averagesoiltemperan鹏of27．7℃，aIldaverageheatnow咖．ou曲t11e、ⅣoolHPQw邪-11．53W／m2、)l加leitsaVerageheat．t瑚sfercoe衔cient、Ⅳ嬲1．45

5、W／(m2·K)．TheonescoVeredwimtllefeltHPQwimaflatdens时of1k咖2gotmeairtemperatureof22．4℃andtheSoiltempe劬脱of27．6℃，锄dtlleheatflowthrou曲tlleHPQ、糯一15．91W／n12wmleitsheat．tmsfercoef!ficientwaS2．43w／(m2·K)．m、ⅣoolHPQhadabetterheatpreservationnlaIlthefeltHPQ、)l，itllanat(1e

6、nsit)，of1k∥mz．(2)TheonescoVered嘶mthefelt、VoolHPQgott11eairtempera_tureof24．3℃andthesoiltemperatureof27．6℃，andtheheat一仃{msfercoe伍cientoftheHPQw嬲1．35W／(m2·l()．Theonescovered、忻mthefeltHPQwithanatdensit)，of2kg／m2gottlleairtemperatureof23．9℃aIldtheSoiltempe舭of27．

7、5℃，andtlleheat-tr锄sfercoemcientoft11eHPQ、v嬲1．39W“I一‘K)．Thereforetllefeh、^，oolHPQhadabetcerheatpreseⅣationthant11efeltHPQ、Ⅳitllanatdensit)rof2kg／m2．Costarlalysisindicatedm她thecostofw00lHPQ锄dfeltWoolHPQw弱11．7￥／∥and14．3￥／In2，lowert11antllatoffeltHPQwimaflatdeIl

8、Sityoflkg／nfandfeltHPQ埘tllaflatdens时of2kg／mz，12．2￥／∥锄d16￥／l∥，respectiVely．HPQs、)l，itllwoolcorecaIlaCt弱substitutestothecu

9、舱ntfeltHPQs．KEYWoRDSSuIllightgreenhouSe，heatpresen，ationquilt，researchand