초고층 공동주택의 소형풍력발전시스템 적용을 위한 수직연도 활용에 관한 연구
A Study on the Vertical Flue Duct for Application of Small Wind Power System in High-Rise Apartments.
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This study examined verticalshafts in high-rise apartments ofthe old high-rise buildings,reviewed the possibilityofusing flueducts,andanalyzedairflow patternsaccordingtopressuredifferencesbetweeninand outsideofflueductsthroughcomputationalfluiddynamics(CFD).Theresultingconclusionsareasfollows:1)Theanalysisresultsofairflow accordingtothestackeffectofflueductsshow thatsmaller-diameterflue ducts(Ø1,2m)wouldbemorefavorableinincreasingdownwardwindvelocitythanbigger-diameterones(Ø1.6m)andthattheintroductionductsforoutsideairshouldbemorethan50% offlueductdiametertoobtainadownward windvelocityhigherthan3.0㎧ thatistheminimum bladewindvelocityofasmalldomesticwindgenerator. 2)Theoptimalinstallationlocationofabypassintroductionductistheneutralplaneofaflueductorlower. Whenthediameteroftheupperductisbiggerthanthatofthelowerduct,itwillgeneratemoreeffectsonthe increaseofdownwardwindvelocityinflueducts.
Abstract
This study examined verticalshafts in high-rise apartments ofthe old high-rise buildings,reviewed the possibilityofusing flueducts,andanalyzedairflow patternsaccordingtopressuredifferencesbetweeninand outsideofflueductsthroughcomputationalfluiddynamics(CFD).Theresultingconclusionsareasfollows:1)Theanalysisresultsofairflow accordingtothestackeffectofflueductsshow thatsmaller-diameterflue ducts(Ø1,2m)wouldbemorefavorableinincreasingdownwardwindvelocitythanbigger-diameterones(Ø1.6m)andthattheintroductionductsforoutsideairshouldbemorethan50% offlueductdiametertoobtainadownward windvelocityhigherthan3.0㎧ thatistheminimum bladewindvelocityofasmalldomesticwindgenerator. 2)Theoptimalinstallationlocationofabypassintroductionductistheneutralplaneofaflueductorlower. Whenthediameteroftheupperductisbiggerthanthatofthelowerduct,itwillgeneratemoreeffectsonthe increaseofdownwardwindvelocityinflueducts.
참고문헌 (9)
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