1、 $ , “!“ “%!# # . “ L=5 !“ P 12238 2012 II 548A;285 1 , 4 2 061 3 23 2012 . 1100- 4. 12238:2001 . . (EN 12238:2001 Ventilation for buildings Air terminal devices Aerodynamic testing and rating for mixed flow application) , 5 1.0 2012 ( 8). ( 1 ) , . () . , (gost.ru) , 2014 , !“ P 12238 2012 III 2545
2、=85 . , , -, . . , . !“ P 12238 2012 1 0ABL ?8D8F80;L=5 !“ P 12238 2012 2 3 “5?545;5=8O 8 A8;K , 12792, : 3.1 DC=:F8=0;L=K5 E00:B58AB8:8 274CE0A?545;8B5;L=KE CAB9AB2(functional characteristics of air terminal devices) (, ). 3.1.1 =74CE0A?545;8B5;L=3 CAB9AB20(nominal size of an air terminal device):
3、, , . . 3.1.2 ?;I04L A5G5=8O O40 8 E00:B5=K5 ?;I048 (core and specific areas) 3.1.2.1 O4 274CE0A?545;8B5;L=3 CAB9AB20 (core of an air terminal device): , , , . 3.1.2.2 ?;I04L 6823 A5G5=8O (274CE0A?545;8B5;L=3 CAB9AB20) (free area(of an air terminal device): , . 3.1.2.3 O4 5H5B:8(core of a grille): ,
4、 , . 3.1.2.4 ?;I04L A5G5=8O O40 (5H5B:8) (core area(of a grille): , , 3.1.2.3. 3.1.2.5 ?;I04L 6823 A5G5=8O (5H5B:8) (free area (of a grille): , . 3.1.2.6 :MDD8F85=B 6823 A5G5=8O (5H5B:8) (free area ratio (of a grille): . 3.1.2.7MDD5:B82=0O ?;I04L 274CE0A?545;8B5;L=3 CAB9AB20 (effective area of an ai
5、r terminal device),Ak: . 3.1.3 AB=H5=85 072, B=A8B5;L=5 ?;65=85 60;N78 274CE0A?545;8B5;O (aspect and vane ratios) 3.1.3.1 AB=H5=85 072 (4;O ?OC3;L=KE 274CE0A?545;8B5;L=KE CAB9AB2) (aspect ratio (of a rectangular air terminal device): . 3.1.3.2 B=A8B5;L=5 ?;65=85 60;N78 274CE0A?545;8B5;O (5H5B:8) (va
6、ne ratio (of a grille): . 3.1.4 A?5F80;L=K5 B5B=AOI85AO : 274CEC (special terms relating to air) 3.1.4.1 AB0=40B=K9 274CE (standard air): 1,2 /3 20 C, 101 325 (1 013,25 ) 65%- . 3.1.4.2 ?4020574CE (supply air): , . 3.1.4.3 ?8BG=K9 274CE (induced air): , . 3.1.4.4 C40;O574CE (exhaust air): , . 3.1.5
7、A?5F80;L=K5 B5B=AOI85AO : E00:B58AB8:074CE0A?545;5=8O (specific terms relating to air diffusion rating) 3.1.5.1 A54=OO B5G59 7=5 (mean measured air temperature of the occupied zone): . 3.1.5.2 07=ABL B5402053 274CE0 (supply temperature differential): . 3.1.5.3 07=ABL B53 274CE0 (exhaust temperature
8、differential): . !“ P 12238 2012 3 3.1.5.4 07=ABL B5G59 7=5 (temperature differential within the occupied zone): . 3.1.5.5 0AE4 ?8BG=3 274CE0 (primary air flow rate): , . 3.1.5.6 0AE4 C40;O53 274CE0 (exhaust air flow rate): , . 3.1.5.7;:0;L=0O A:ABL 274CE0 (local air velocity): . (, , u, v, w) . , .
9、 , : . 3.1.5.8 ;:0;L=0O 87ABL 274CE0 (local measured air velocity): . 3.1.5.9 25=B8;8C55 ?AB0=AB2 (treated space): , . , 6.2. 3.1.5.10 ?25E=ABL 02=KE A:AB59 (envelope): , . 3.1.5.11 A:ABL 274CE0 2 ?ABL 2 68219=ABL (4;O ?8BG=3 274CE0A?545;8B5;L=3 CAB9AB20) (throw (for a supply air terminal device): ,
10、 , 0,25 0,5 /. 3.1.5.14 =86=OO 30=8F0 ABC8 (4;O ?8BG=3 274CE0A?545;8B5;L=3 CAB9AB20) (drop (for a supply air terminal device): , , 0,25, 0,5 / . 3.1.5.15 25E=OO 30=8F0 ABC8 (4;O ?8BG=3 274CE0A?545;8B5;L=3 CAB9AB20)(rise (for a supply air terminal device): , , 0,25, 0,5 / . 3.1.5.16 0AH85=85 ABC8 (4;
11、O ?8BG=3 274CE0A?545;8B5;L=3 CAB9AB20) (spread (for a supply air terminal device): , , 0,25, 0,5 / ., , . - , . 3.1.5.17 01G0O 7=0 (4;O ;010B=KE F5;59) (occupied zone (for laboratory purposes): , 0,15 1,8 . (2) (3) (1) (4) !“ P 12238 2012 4 3.1.5.18 I5;529 274CE0A?545;8B5;L (slot air terminal device
12、): 10:1 . 3.2 !8;K , , 1. 1 , F 2 Ad F/ , 2 Af 2 A F ( 2 bR b De D Dh D d d hD h , hR h lR a psa pa ps ps=psa- pa (=-) pta pt pt=pta- pa (=-) pt1,2 1,2 , 1,2 /3 !“ P 12238 2012 5 1 , ptD ps1,2 1,2 , 1,2 /3 psD pd1,2 p qvL 3/ vV / vkVk , / vx / xS Xl YY ZZ () - (),t , 0 () /3 RF 2 S , XcXc * YcYc * Z
13、cZc * *. 4 A?KB0B5;L=5 1C420=85 8 B5120=8O : A54AB2040 274CE0 4.1.1 5167-1. !“ P 12238 2012 6 4.1.2 , 2. 2 80?07=, G=ABL 87AB8 4.4.1 13182. 4.4.2 vk, , 13182. !“ P 12238 2012 7 5 7AB8 vk (?520O 8A?KB0B5;L=0O CAB0=2:0) 5.1 7G=KE 274CE0A?545;8B5;L=KE CAB9AB2 5.1.1 A=2=K5 ?=OB8O 5.1.1.1 . , . 5.1.1.2 ,
14、 . . 5.1.1.3 , . , 5.1.2 (. 1) 5.1.4 (. 3). / / . / . 5.1.2 ps A 5.1.2.1 . , , . 20 De, , , 3 De . . 5.1.2.2 1. 1,5 De . , . 10 % . . 5.1.2.3 , . 5.1.2.4 pt ps pd : 25.1.3 7;=3 402;5=8O pt =0 ?529 8A?KB0B5;L=9 CAB0=2:5 A 5.1.3.1 . 5.1.2. ( ) , 2. , , 0,4 . . , 2. 5.1.3.2 , . (5) !“ P 12238 2012 8 5.
15、1.4 73 402;5=8O ps =0 ?529 8A?KB0B5;L=9 CAB0=2:5 5.1.4.1 , . 3 , : , qv ; A - (A=W*H); ps ; . , , De 0,15 ( ). . , 0,05 , . . 5.1.4.2 , . 5.1.4.3 ps pt. 5.1.5 5:B82:0 ?;=3 402;5=8Opt 5.1.5.1 : , , . 5.1.5.2 : ps. : , , . 5.1.5.3 : . , , , 5.1.2, 5.1.3 5.1.4. = (. 5.1.3. 5.1.4), = +1 (. 5.1.2), pt ps
16、 , pd : , qv . 5.2 73 274CE0A?545;8B5;L=3 CAB9AB20 5.2.1. O4: ?2545=8O 5.2.1.1 . . , . (6) (7) (8) (9) (10) (11) !“ P 12238 2012 9 5.2.1.2 , . . 5.2.1.3 , . 2 De . . (, ), 1 / , . 5.2.1.4 , / . , 5.2.2 (. 4) 5.2.4 (. 5). / / . . 5.2.2 73 402;5=8O =0 ?529 8A?KB0B5;L=9 CAB0=2:5 ! 4;O 2KBO6=KE 274CE0A?
17、545;8B5;L=KE CAB9AB2 5.2.2.1 , , . 7,5 De . 5.2.2.2 4. 1 De, . , . 10% . 5.2.2.3 , . 5.2.2.4 , : , |ps| - , , ; L - Dh ; pd - , . 5.2.2.5 pt ps pd : , ps . 5.2.3 7;=3 402;5=8O =0 ?529 8A?KB0B5;L=9 CAB0=2:5 ! 4;O 2KBO6=KE 274CE0A?545;8B5;L=KE CAB9AB2 5.2.3.1 4 5.2.1. , , 5.2.2.2. 5.1.3, 5.2.2.2. (12) (13) !“ P 12238 2012 10 , , 20 % , , ptm, , . 5.2.3.2 ,
