외기유인형 주방·욕실 배기구의 기류측정 분석

Abstract

Thisstudyconductedexperimentstomeasureaircurrentsinanexperimentalbuildingaccordingtoexternal conditions,typesofinductionducts,andtypesofinternalsocketsbyapplyinganexternalinductionductcomprised ofinducingopeningsandlinesandinductionunitstothekitchenandbathroom ventsattherooftopofasuper high-riseapartmentbuildinginordertohelptoimprovetheventingperformance.Thestudyalsoproposedthe optimizationoftheexternalinduction-stylekitchenandbathroom ventscapableofwindpowergeneration. (1)Asforaircurrentdistributionaccordingtoventvelocitychanges,itincreasedtheventingperformanceof thekitchenandbathroom by1.0㎧ atventvelocityof2.0㎧ orhigherandallowedforwindpowergeneration. (2)Asforaircurrentdistributionaccordingtoexternalvelocitychanges,itincreasedtheventingperformance ofthekitchenandbathroom by1.2㎧ atexternalvelocityof2.0㎧ orhigherandallowedforwindpower generation.(3)Asforaircurrentdistributionaccordingtowinddirectionchanges(0∼180°),itwasfavorable forhigherventvelocitywhentheanglebetweentheexternalinductionductdirectionandprevailingwind directionwaswithin±30°.(4)Asforaircurrentdistributionaccordingtoinductionducttype,the[M1]type combiningtheinducingopeningsandlineswiththeinductionunitsrecordedthehighestimprovementeffects inthekitchenandbathroom ventingperformancebyincreasingventvelocityby46%.(5)Asforaircurrent distributionaccordingtothechangingtypesofinternalsocketswherethemainductsofthekitchenand bathroom areconnectedtotheexternalinductionducts,theventuritubetype[Sv]increasedventvelocity by66% basedonthesmoothestexternalinflow.

This study conducted experiments to measure air currents in an experimental building according to external conditions, types of induction ducts, and types of internal sockets by applyingan external induction duct comprised of inducing openings and lines and induction units to the kitchen and bathroom vents at the rooftop of a super high-rise apartment building in order to help to improve the venting performance.The study also proposed the optimization of the external induction-style kitchen and bathroom vents capable of wind power generation. (1) As for air current distribution according to vent velocity changes, it increased the venting performance of the kitchen and bathroom by 1.0㎧ at ventvelocity of 2.0㎧ or higher and allowed for wind power generation. (2)As for air current distribution according to external velocity changes, it increased the venting performance of the kitchen and bathroom by 1.2㎧ at external velocity of 2.0㎧ or higher and allowed for wind power generation. (3) As for air currentdistribution according to wind direction changes (0∼180°), it was favorable for higher vent velocity when the angle between the external induction duct direction and prevailing wind direction was within±30°. (4) As for air current distribution according to induction duct type, the [M1] type combining the inducing opening sand lines with the induction units recorded the highest improvement effects in the kitchen and bathroom venting performance by increasing vent velocity by 46%. (5) As for air current distribution according to the changing types of internal sockets where them ainducts of the kitchen and bathroom are connected to the external induction ducts, the venturi tube type[Sv]increasedventvelocity by 66% based on the smoothest external inflow.