1、 2 3 3 4 5 5 6 7 8 10 2 VDL 3.80m -10K +15K 3 VDL 67 K H 1 D H 2 H 4 H 2 T R 1 B n x 7 +0.2 D L R 2 H 2 D H 3 67 VDL-H VDL-V VDL-E. BD DL H1 H2 H3 H4 KR1 R2 Tn 315 318.5 248 368 483 203 425 342.5 435 464 382 63 6 400 403.5 313 450 603 238 534 420.5 500 567 464 80 6 630 633.5 398 690 848 383 748 615.
2、5 750 871 708 125 6 800 803.5 498 853 1133 568 998 850.5 1000 1077 871 160 12 (RAL9010) 4 VDL 315 400 630 800 DA 412 515 810 1015 5 L VDL VDL-H VDL-V Hz veff m/s 315 400 630 3800 315 400 630 5800 315 400 630 8 800 315 400 630 12800 10 6 7 7 7 4 5 5 5 1 3 3 1 - 1 0 0 10 7 9 14 8 5 7 12 6 2 4 10 3 -1
3、1 7 -1 -1 -1 -1 -1 -2 -1 -1 -2 -3 -3 -2 -4 -5 -5 -3 -6 -5 -6 -7 -5 -4 -5 -6 -5 -4 -4 -5 -5 -5 -5 -5 -17 -15 -16 -20 -13 -11 -12 -15 -9 -8 -9 -11 -7 -6 -7 -8 -28 -26 -27 -31 -21 -19 -20 -23 -15 -13 -14 -17 -10 -9 -10 -12- 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 63 125 25
4、0 500 1000 2000 4000 8000 H 1 X+H 1 L=A/2+H 1 L A- NC LWNR=LWNC+2 L WA LW=LWA+L ANC LpA L WA-8dB LpNC L WNC-8dB H1 vH1 L vL H1max tz tL Aeff pt LWA LWNC LWNR L LW LpA,LpNC m m/s m m/s m K K m 2 Pa dBA dB/Okt dB/Okt -30 -30 -30 -25 -25 -25 -26 -21 -21 -21 -21 -18-19 -19 -18 -31 8 7 6 10 6 4 9 4 2 7 1
5、 1 0 5 6 4 1 1 2 0 -1 1-2-2-3 -1 2 2 2 3 1 0 0-1-1-1-2-3-2-4-4-5-4 0 0 0 -1 -2 -6 -6 -7 -5 -5 -6 -5 -5 -5 -5 -5 -5 -5 -6 -5 -5 -16 -15 -17 -12 -11 -13 -9 -8 -10 -7 -7 -7 -8 -16 -12 -9 -28 27 -31 -21 -20 -23-14-13 -16-10-10 -9-11 -28 -21 -14 -36 -37 -36 -29 -30 -28 -23 -23 -22 -18 -18-19 -17 -36 -29
6、-23 -1 -1 -1 -1 -1 -1 -3 -2 -2 -5 -3 -3 -3 -1 -2 -2 -5 -5 -5 -5 -4 -5 -4 -5 -4 -6 -5 -5 -5 -5 -4 -4 -18 -21 -20 -20 -14 -16 -15 -10 -11 -7 -8 -8 -8 -15 -11 -11 -28 -36 - 33 -33 -20 -28 -25 -13 -21 -8 -15 -12 -13 -25 -18 -18 -37 -44 -41 -42 -29 -36 -33 -22 -29-17 - 23 -20 -21 -34 -26 -26 0 1 1 -1 0 -
7、1 -3 -2 -3 - 5 -4 0 2 3 2 1 4-1-1-1 0 4 4 4 3 3 3 3 1 1 1 2 6 6 4 3 0 0 1 7 6 5 5 5 3 3 3 1 2-1 2 1 1 4 3 1 4 3 3 0 3 2 2 3-2 -1 -1 -1 2 2 2 1 1 1 1 0 0 0 0 2 V X I/s m 3 /h A,B m m 6 1 3 2 4 VDL-V 400 V=250I/s Lw 2 LWA=41dB(A) pt=25Pa V 250 v eff = A eff 1000 = 0.051 1000 = 4.9 m/s Hz 63 125 250 50
8、0 1000 2000 4000 8000 41 41 41 41 41 41 41 41 LWA dB(A)+6 +3 +1 -1 -5 -12 -21 -29 L dB 47 44 42 40 36 29 20 12 LW dB 315 pt Pa LWA dB(A) v eff 5.0m/s 630 pt Pa 800 pt Pa 400 pt Pa veff: LWA dB(A) LWA dB(A) LWA dB(A)7 5 7 6 8 Example V m 3 /h = H1max m VDL400 LWA=42dB(A)(LWNC=36NC) p t=34Pa 42dB(A)45
9、dB(A) V=400I/s t Z=-8K t Z=+15K LWA=45dB(A) A=3,00m X=1,50m H1=2,70m H1max m H1max m H1max m V I/s 3.6 V=400I/s t z=+15K H1max=4,1m 10 A=3.00m H1=2.70m v=0.17m/s 14 L=A/2+H1=1.50+2.70=4.20m vL=0.29m/s t L/t Z=0.10 t L=-80.10=-0.8K . VI/s VI/s VI/s VI/s8 9 B 5.00m 315 11 B 5.00m 630 10 B 5.00m 400 12
10、 B 5.00m 800 B 5,00 m Size 800 315 400 630 800 A eff m 2 0.0272 0.051 0.098 0.113 A -10K vH1 vL tL/ tZ 1.4 A A A9 315 14 16 L t L/t Z 13 t L/t Z t L/t Z t L/t Z L L L -10K vH1 vL tL/ tZ 1.4 15 630 v L m/s v L m/s v L m/s v L m/s 400 800 V H 0.2 1.0 bar P 0 230 V, 50 Hz, E 1 24 V, 50 Hz, E 2 24V,0.10V-, E 3 10 / / / / / VDL - V - E1 RAL 9016 630 0 0 P1 3.8m -10K +15K (RAL9010) TROX( ) VDL - V - E1 / 630 / 0 / 0 / P1 / RAL 9016 GF GF/630 0 RAL 9010 P1 RAL 315 400 630 800