1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 32549 2013 (EN 12239:2001) (EN 12239:2001, MOD) 325492013 II , 1.092 . 1.2 2009 . , . , , , 1 061 , - () , 4, 2 () 3 , ( 14.11.2013 . 44-2013) : ( 3166) 004 97 ( 3166) 004 97 AM BY KG MD - RU TJ UA 4 - EN 12239:2001 Vent
2、ilation for buildings. Air terminal devices. Aerodynamic testing and rating for displacement flow applications ( . . ). (en) (MOD) 5 20 2014 . 207- 325492013 01 2015 . 6 325492013 III , . () . , , 2014 , . 325492013 IV EN 12239:2001 . . . . , , -, . . . EN 12239:2001 325492013 (EN 12239:2001) 1 Vent
3、ilation for buildings Air terminal devices Aerodynamic testing and rating for displacement flow applications 2015 01 01 1 , . , , . IV , P 12238 2012. 2 : P 122382012 . . . 5167-1:2003 , . 1. . - , 1 , - . (), - () . , , , , . 3 , 3.1 : 3.1.1 (low velocity air terminal device): , , . 3.1.2 (primary
4、air flow rate), qp: , . 3.1.3 (internally induced air flow rate), qi: , . 325492013 2 3.1.4 (total air flow rate), qt: , . 3.1.5 (primary air temperature), p: . 3.1.6 (induced air temperature), i: . 3.1.7 (total air temperature), t: , . 3.1.8 (reference air temperature of the room), r: , 1,1 . 3.1.9
5、 (primary air temperature difference), p: . 3.1.10 (isovel): . 3.1.11 (length of the specified isovel), av: , , 4. 3.1.12 (width of the specified isovel), bv: , , 4. 3.1.13 (height of the specified isovel), hv: 5. 3.1.14 (induction rate), i: = / , (1) 3.1.15 (static pressure), ps: . 3.1.16 (dynamic
6、pressure), pd: . . 3.1.17 (total pressure), pt: . 3.1.18 (equivalent diameter), De: . 3.2 , , 1. 325492013 3 1 , () , F 2 Ad F/ , 2 av av bR b bv bv Ci Ci , - Cp Cp , - t t , - De D 2 Dh D 4 d d hv hv hR h i . - lR psa pa ps ps=psa- pa (=-) pta pt pt=pta- pa (=-) pt1,2 1,2 , 1,2 /3 ptD ps1,2 1,2 , 1
7、,2 /3 pd1,2 (22 ) p qi L 3/ qp L 3/ qt L 3/ v V / vm V / vx / (), t , 0 (), t , 0 (), t , 0 (), t , 0 (), t , 0 () /3 325492013 4 4 : - 1 ( ) ; - 2 ( ) - , . : - D: . - : . 5 5.1 , ( ) . . , 6. , , v = 0,20 /. , , v = 0,30/. 5.2 1 2. 325492013 5 5.3 5.3.1 . 3De . 0,5 , 2 %. 5.3.2 D . 20 De, , 3 De . , . 1,5 De . , . 10% . . 5.3.3 1 / 2De . , 1 /. 2De . 5.4 ,. 1
