The Characteristics of Thermal Diffusion With the Vertical-Closed Loop Type Geothermal Heat Exchanger
수직밀폐형 지중열교환기의 온도분포 특성

Jong-Cheol Sun, Byung-Chul Kim, Young-Ha Koh
2013 Journal of the Korean Solar Energy Society  
A b s t r a c t Th et e mp e r a t u r e swi t h t h eg r o u n d d e p t h ,t h ep o s i t i o n so fc i r c u l a t i o n wa t e ri n g r o u n d h e a te x c h a n g e rwe r e me a s u r e da n dt h e r ma ld i f f u s i o n c h a r a c t e r i s t i c swi t h t h ed i s t a n c e so ft h ed i r e c t i o n n o r ma lt ot h eb o r e h o l ewa s a n a l y s e d . Th ed e e p e rt h ed e p t h o fg r o u n d ,t h el e s st h ei n f l u e n c e so fo u t d o o rt e mp e r a t u r e ,b u tb e l
more » ... u r e ,b u tb e l o w 1 0 m o f g r o u n d , t h e r ewa sn oi n f l u e n c e so fg r o u n dt e mp e r a t u r e . Wh e nt h ed e p t ho ft r e n c hp i p e wa sb e l o w t h ed e p t ho f 2 m ,t h e r ewa sn oi n f l u e n c e . I nt h eg r o u n do f1 0 m wh e nt h ed i s t a n c e sb e t we e nt h ep i p ea n dt h eo t h e rp l a c e s we r ea b o v e0 . 5 m, t h ev a r i a t i o n so ft e mp e r a t u r ewe r e l e s st h a n 1 . 6 ℃ . a n da b o v e2 . 5 m t h e ywe r el e s st h a n 0 . 1 ℃. Wh e nt h ed i s t a n c e so fb o r eh o l ewe r ea b o v e5 m, t h e r ewe r en o . i n f l u e n c e so f t h en e a r e s tg r o u n dh e a te x c h a n g e r Ke y wo r d s:지중열교환기( Gr o u n dh e a te x c h a n g e r ) ,보어홀( Bo r e h o l e ) ,냉방모드( C o o l i n gc o n d i t i o n ) , 열확산( Th e r ma ld i f f u s i o n ) ,히트펌프시스템( He a tp u mps y s t e m)
doi:10.7836/kses.2013.33.1.057 fatcat:tdn4xftpe5fmtmswacndnsmkx4