KS B 8291-1-2009 Ground source heat pump－Thermal conductivity test mothod－Part 1：Vertical close loop type and energy file type.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 82911 1： KS B 82911 :2009 2009 9 7 http:/www.kats.go.krKS B 82911:2009 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 2009 9 7 2009-0497 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS B 82911:2009 1： Ground source heat pumpThermal conductivity

2、test mothod Part 1：Vertical close loop type and energy file type 1 300 m . 2 . . ( ) . KS B 5260, KS B ISO 132561, 1： KS B ISO 132562, 2： , KS C 13032, 2： KS C IEC 60751, 3 . 3.1 (underground heat exchanger) . 3.2 (vertical close loop type) . 3.3 (energy file type) . KS B 82911:2009 2 3.4 (undergrou

3、nd thermal conductivity) . 3.5 (input power) . 3.6 (depth or bore hole) . 3.7 (circulation fluid) . 4 4.1 A B . 4.2 1 , , . . , . 1 1 1 2 2 1 2 KS B 82911:2009 3 4.3 , . 4.3.1 (grouting) 72 . 4.3.2 . 4.3.3 . 4.3.4 30 . 4.3.5 m 50 W 80 W , 48 . 4.3.6 . 4.3.7 , 0.3 , 5 . 4.4 , 10 1 . L ： (m) Q ： (W) m

4、 ： (kg/s) T in ：() T out ：() KS C IEC 60751 , KS C 13032 , KS B 5260 . 4.5 1 . KS B 82911:2009 4 1 2.0 % 0.3 1.0 % 1.0 % 5 5.1 , . 5.2 . 5.3 , . ： / / / / / / / ： / / / / / / / / / KS B 82911:2009 5 A () A.1 , . A.2 , . A.3 1 , 1, 2 . , . A.4 , , . A.5 , 30 . , . A.6 2 500 m 50 W 80 W . A.7 . 3.5 7

5、. , . . A.8 , 48 . A.9 48 . A.10 () , S . A.11 . S L Q k 4 (A.1) k ： (W/mK) Q ： (W) KS B 82911:2009 6 L ： (m) S ： DATA CHART(1) 10 15 20 25 30 35 40 45 50 0 500 1000 1500 2000 2500 3000 TIME(t ) min Temp. 0 2000 4000 6000 8000 10000 12000 QW EWT Temp.(avg.) LWT QW A.1 1 DATA CHART(Line Slope) y = 1.

6、6083x + 13.581 20 25 30 6.50 7.00 7.50 8.00 Ln t Avg. Temp. A.2 2 A.12 . (A.2) , 5 % . . , 50 W 80 W . Q w m C p,w (T in T out )(A.2) Q Q/ L (A.3) Q w： (W) m ： 1) (kg/s) C p,w ： (J/kg) T in ：() T out ：() Q ： (W/m) L ： (m) 1) . (1) ( ) (t) () () In t KS B 82911:2009 7 B () B.1 . . (B.1) , t r . T (r,

7、t) d e k Q k r 2 2 2 (B.1) B.2 T , r , t , Q , k , . (B.1) . d e k r 2 2 In C R t 2 4 (B.2) B.3 , C (0.577 2.). . T (R,t) TR m Q k Q 4 C R t 2 4 In (B.3) B.4 R , m TR . . T (R,t) TR m Q k Q 4 C R 2 4 In ) ( In 4 t k Q (B.4) B.5 (B.4) ln(t) ln(t) . b t k Q T ) ( In 4 (B.5) L Q Q (B.6) S L Q k 4 (B.7)

8、 B.6 b , Q , L , S . S . KS B 82911:2009 8 C () C.1 C.1.1 . C.1 . C.1.2 2 . 0.05 0.1 . C.1.3 0.05 . C.1.4 . C.1.5 . C.1.6 . C.1 0.1 0.05 015 kW 0.1 0.05 060.0 1.0 0.5 060.0 L/min 1.0 0.5 0300 m C.2 C.2.1 , C.1 . C.2.2 . C.2.3 . C.3 C.3.1 , C.1 . . KS B 82911:2009 9 D () k (W/mK) Q (W) (3.141 592) L

9、(m) m (kg/s) S Q w (W) C pw (J/kg) T in() T out() Q (W/m) Re r (m) t (min) T () (W/m 2 K) C R (m) m TR (K/W/m) KS B 82911:2009 10 KS B 82911 :2009 . 1 , . . . 2 2.1 2008232(08.11.11) “ , , ” KS . . . . 36 . 2.2 300 m . 2.3 . A B C , D KS B 82911:2009 11 2.4 KS B 82911 ( 20082) (ASHRAE Handbook) k (

10、12 ) , 1 Q L . . S () 72 72 K1.7 W/mK：5 K1.7 W/mK：3 . . m 50 W 80 W . ： 2：5080 W/m 3：6095 W/m 4：65105 W/m m 50 W 80 W 30 . 10 ( ) 48 . ： 48 3648 0.3 . 0.3 1. 0.9 K 2. 48 k1.7 W/mK：14 k1.7 W/mK：12 2 500 . 1122 K 3.57 . Loop ： 3.57 ： 1122 K 5 % . KS B 82911:2009 12 2.5 a) (ASHRAE Handbook) . b) (IGSPH

11、A) (Closed-Loop/Ground-Source HeatPump Systems Installation Guide) . 3 grout () 1 borehole () 1 HDPE pipe ( ) 1 strainer () 1 flushing unit ( ) 5 Reynolds 5 line source ( ) 7 Mogensen 7 brine 1 1： 153787 1 92 3 (13 ) (02)26240114 (02)262401489 http:/ KS B 82911 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Ground source heat pump Thermal conductivity test mothod Part 1 ：Vertical close loop type and energy file type ICS 27.080 Korean Agency for Technology and Standards http:/www.kats.go.kr