1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 10 27 http:/www.kats.go.krKS L ISO 8497 KS L ISO 8497: 2006 (2011 )L ISO 8497: 2006 : ( ) ( ) () () ()KCC () ( ) : (http:/www.standard.go.kr) : :2006 10 27 :2011 12 26 2011-0620 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . ICS 27.220.00 KS L ISO
2、8497: 2006(2011 ) Thermal insulation Determination of steady-state thermal transmission properties of thermal insulation for circular pipes 1994 1 ISO 8497 Thermal insulation Determination of steady-state thermal transmission properties of thermal insulation for circular pipes . , . . . 1 2 . . , .
3、. , . . . . . , . . . 1. . . , 5. 6. . 2. . . KS L ISO 8301 KS L ISO 8302 ISO 7345 Thermal insulation Physical quantities and definitions L ISO 8497: 2006 2 3. . “ ( )” ( ) . “l” . , . “ ( )” . . . (3.1) ISO 7345 . 3.1 , Kl , . a0l/TTLK= (1) 3.2 , Rl , (l) . l20l1/ LTTR = (2) 3.3 , l (Rl) , . 20ll/1
4、TTLR= (3) 3.4 , h2 . , . )(a222TTLDh= (4) 3.5 , , . (r ) . rTTLDD 1)(2)/ln(2002= (5) 1. ISO 7345 q = gradT . 2. T0 (6.1 ). 3.6 , r () 1)/ln()(20220=DDTTLr (6)3.7 , R , () ATTR1/20= (7) A ( , 3.8 ). “ ” , . , L ISO 8497: 2006 3 . . 3.8 , (R) 20/1TTAR= (8) A ( , ). A . 3.5 . )/ln(202DDAL= (9) “log ” =
5、 L(D2 D0)/ln(D2/D0) , = 2/(D2 D0) . (D2 D0) /2 , . 3.7 R . . 4. . W ( ) /L W/m ( ) /A W/m2 T0K T2 TaK D0m D2 ( ) L m A m2 lW/(m K) Rl(m K)/W KlW/(mK) W/(mK) r (mK)/W h2W/(m2K) W/(m2K) R (m2 K)/W L ISO 8497: 2006 4 ( ) S m n 1 “l ” ( ) . 2. “cyl” . 3. “l” cyl “l, cyl ” . 4. ISO 7345 ql q . . 5. 5.1 ,
6、 ( ) . , , . ( ) . . , . 5.2 . . 1535 , , . . , . 5.3 . 5.4 . , . 5.5 2 ( ) , . . 5.6 (3.1 ) . . (3.5 ) . . , . (6.2 ). 3. . L ISO 8497: 2006 5 6. 6.1 2 6.1.1 6.1.2 . . . 6.1.1 , . , . 6.1.2 , . 6.2 . . . / . 6.2.1 , 3.5 . , . 6.2.2 . . . / . ( ) . , , , . . . , ( , ) . 6.3 . 6.4 . 7. 7.1 , . . L IS
7、O 8497: 2006 6 . . (7.3 1 ) , (7.4 2 ). . . . 7.2 . 88.9 mm (7.3 ) , 1 m 0.6 m . (7.4 ) 2 m . . . 7.3 ( 1 ) . . , . 2 . ( ) . 1. . . 2. 200 mm 88.9 mm . , . . 4 mm ( ). . . 25 mm . . L ISO 8497: 2006 7 1 2 3 4 a) b) c) d) 1 7.4 ( 2 ) . ( ) ( ) . . . 7.4.1 , , . , . . . 4 90 . 0.64 mm . 7.4.2 , ( 2 ). 10.2.3.1(d) . . , (10.2.3 ). 7.5 4 150 mm . . 7.6 2 1L ISO 8497: 2006 8 . (spool) . , 0.63 mm 0.4 mm . , . , . . a) b) : 2 7.7 , . 3. . , (12.1 ) . , 20 K . 1 % , 0.2 K . L ISO 8497: 2006 9 0.14 K ( .). . 7.8 . , . 7.9 0.5 % . , ( ) . ( ) . . , . 7.10 . 200 K 1 K , 200 K 2 K . . . 0.85 , .