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296基于生命周期理论的严寒地区居住建筑能耗计算和分析 - 百度文库

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۵Ϻסܺ

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ͬôѧ ҵѧ

ժҪۣϾסﱾص㣬ۼݣѽڱ߽绮ΪĵʩʹáԼϻպͷﴦ׶ΡʹýܺļģͶϺסܺĽ˼ͷóһЩƽϺסܹؽۺʹʩؼ ס ܺ Ϻ

1

ĿǰˮƽߣԽҪҲԽԽߣΪЩҪ󣬽ܺļӣԴʹ÷Ҵ˾޴ѹͬʱʹľòƷ֮һ[1-2]סʹһﵽʮϰ꣬ʹ˾ס͵ĸʣһɣ粻нϳ׵ĸ죬ӰݲѰһȽ۷ԾסܺĽмͷҪΪϾסص㣬ʹýܺļģͶϺԹΪ4סܺĽмͷóһЩƽϺסܹؽۺʹʩ

2 ۵Ķͼ 2.1 ۵Ķ

ۣLife Cycle Assessmentһ۲ƷջԭʼϲɼƷ䡢䡢ʹԼյĴڽ׶йصĻɵĹ[3]

2.2 ۵ļ

Ϊһ۲ƷDZӰķĿ궨ͷΧ嵥Ӱ4໥ϵҪ[4]Ŀ궨ͷΧָĿоɡӦͼԼҪϢȷĿĵĶ壬ĿĽ綨оΧ۵ĵһҲҪһڡ嵥4зչƵһָ֣һֲƷĹչ̻ڵԭҪԻŷŽΪĿ͹̡Ӱ۵ĺݣҲѶIJ֡Ƕ嵥׶ʶĻӰжͣ򣩶ԵָۡϵͳڲƷջԴԭʹԼͷŵᡣ

3 ܺĵļģ 3.1 ڱ߽Ļ

ۼܵݣİѽڱ߽绮ΪĵʩʹáԼϻպͷﴦ5׶Ρڱ߽󣬽ܺ5׶εܺĹͬɡ

3.2 ܺĵļģ

ܺĵļ㹫ʽ£

QT?Qm?Qe?Qo?Qd?Qp

ʽУQTΪڵܺģQmΪィ׶εܺģQeΪʩ׶εܺģQoΪʹý׶εܺģQdΪ׶εܺģQpΪϻպͷﴦ׶εܺġ

3.2.1 ィ׶ܺĵļ

n

ィ׶ܺĵļʽ

Qm?ii?1?m??1?wi/100??Mi

ʽУnΪʹýϵࣻwiΪʩеķmiΪʹýϵMiΪϵĵλܺġ 3.2.2 ʩ׶ܺĵļ

ʩ׶εܺ2ɣ䵽ʩֳܺĺͽʩеܺģ㹫ʽ£

Qe=Qe,t?Qe,pnQe,t??mi?(1?wi/100)?di?Tc

i?1Qe,p??pi?1mi ?PiʽУQe,tΪ䵽ʩֳܺģQe,pΪʩеܺģdiΪϴصʩֳ룻TcΪλ䵥λܺģmΪʩвͬʩ͵ĿpiΪʩPiΪÿʩ͵ĵλܺġ3.2.3 ʹý׶ܺĵļ

ʹý׶ܺĵļ㹫ʽ£

Qo??Qi?1no,y?AiA??Ai

i?1nʽУQo,yΪʹý׶еʹܺģAΪʹAiΪʹý׶ڼʹòͬԴʽʱ䡣

3.2.4 ׶ܺĵļ

׶ܺĵļ㹫ʽΪ

Qd??pj?Pj

j?1nʽУnΪвͬʩ͵ĿpjΪPjΪÿֲĵλܺġ

ý׶εܺҪвҵĻ豸йءף׶εܺͨ԰ʩ

ܺĵ90%[5]Խ׶εܺļ㹫ʽҲԱʾΪ

Qd=0.9Qe,p

3.2.5 ィϻպͷﴦ׶ܺĵļ

ý׶ܺļ㹫ʽΪ

Q p= Q t,r+ Q t,w

nQt,r??Wi?Ri?Di?Tdi?1Qt,w??Wi?(1?Ri)?di?Td

i?1nʽУQ t,rΪϾɽĻѭܺģQ t,wΪϾɽܺģWiΪϾɽRiΪϾɽĵĻձTdΪλ䵥λܺģDiΪϾɽ͵մصľ룻diΪϾɽ͵մصľ롣

ʽ1~12Ҫο˹һЩڽܺļоɹ[6-7]ҹʵԸĽõ

4 ʵͷ

ܺļģͶϺԹΪ4סܺĽмͷھסзṹʹùƵص㣬4סֻÿ1סԪõĽͬʵĻ1ʾ

1 ʵĻ A B C D 2

/ m 110.76 1 335.15 1 355.15 2 103.88 1 5 5 12

1~41~4Ϊ1~11Ϊ3 3 Ϊ3

/m 3

5Ϊ5Ϊ12Ϊ3.3 3.3 3.3

ϵ0.731 0.322 0.323 0.337

ǽ

0.2 0.194 0.192 0.165

עABCDֱשƽש¥ֻ¥ֻ߲¥

ڼҪIJȡֵҪǸݹⳣõһЩԼʵѡȡ[8-10]󣬷ֱԾסʹΪͱбȽϺͷ

4.1סʹΪ

סʹΪ50꣬ÿס5׶ܺĵķͼͼ1~4ʾ

ͼ1~4ԿǺֽṹĽڽУʹý׶ܺռ󣬶ﵽ80%ϣ׶ܺĴڵ2λãʣ3׶֮ܺͻҪ󡣽ܵĹؼǿʹý׶ܺĺͽ׶ܺǷߣֻа2ҪĽ׶δãܺIJŻõͣڸʵֽĽܡ

ϻպͷﴦ׶ν׶0.2%3.3%׶1.0%ʩ׶1.4%ʹý׶94.2%׶ʩ׶ʹý׶β׶ηϻպͷﴦ׶ηϻպͷﴦ׶ν׶0.5%6.6%׶2.1%ʩ׶3.0%ʹý׶87.8%׶ʩ׶ʹý׶β׶ηϻպͷﴦ׶

ͼ1 שƽܺķͼ ͼ2 ש¥ܺķͼ ϻպͷﴦ׶0.6%׶9.6%׶2.5%ʩ׶3.6%ϻպͷﴦ׶0.6%׶β׶7.6%2.4%ʩ׶3.4%ʹý׶85.9%׶ʩ׶ʹý׶β׶ηϻպͷﴦ׶ν׶ʩ׶ʹý׶β׶ηϻպͷﴦ׶

ʹý׶83.6% ͼ3 ֻ¥ܺķͼ ͼ4 ֻ߲¥ܺķͼ 4.2סʹΪ

4סԴﵽ90꣬4סڲͬʹµĸܺĽмͷͼͼ56ʾ

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۵Ϻסܺļͷ ͬôѧ ҵѧ ժҪۣϾסﱾص㣬ۼݣѽڱ߽绮ΪĵʩʹáԼϻպͷﴦ׶ΡʹýܺļģͶϺסܺĽ˼ͷóһЩƽϺסܹؽۺʹʩؼ ס ܺ Ϻ 1 ĿǰˮƽߣԽҪҲԽԽߣΪЩҪ󣬽ܺļӣԴʹ÷Ҵ˾޴ѹͬʱʹľòƷ֮һ[1-2

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