Page 8 - KMW Marine
P. 8

Offer               2013/09/00016*****                                                                  airCalc Vers. P01.00.0
Project            Riser Bay Crane Cabin

Position           001 AHU

noise calculation

                   sound power [dB]

Frq. Hz             63 125 250 500 1000 2000 4000 8000 Sum [dB(A)]

Inlet              73,6 75,1 73,6 65,0 61,6 57,2 56,7 50,2        69,2
Outlet             79,6 83,1 86,6 82,0 76,6 72,2 70,7 65,2        83,6
Casing             67,8 70,3 67,7 52,5 45,6 41,4 38,6 38,7        61,0

                sound pressure level [dB]

Frq. Hz             63 125 250 500 1000 2000 4000 8000 Sum [dB(A)]

Inlet              59,6 61,1 59,6 51,0 47,6 43,2 42,7 36,2        55,2                 Measuring point at 2 m Distance
Outlet             65,6 69,1 72,6 68,0 62,6 58,2 56,7 51,2        69,6
Casing             53,8 56,3 53,7 38,5 31,6 27,4 24,6 24,7        47,0

[dB]  100                                                                                              LWA obudowa
       90                                                                                              LWA ssanie
       80                                                                                              LWA wyrzut
       70                                                                                              SPL obudowa
       60                                                                                              SPL wlot
       50                                                                                              SPL wylot
       40
       30                125         250   500              1000  2000           4000     8000
       20
       10
         0
                     63

                                                      [Hz]

Unit definition                                                    Casing:                       Energy efficiency class

Unit size          4.5   Type            Exhaust air              Thickness      40,0 mm        Mineral wool ISO80 kg/m3
                                                750
Airflow [m³/h]                                                     Panel inside                  SS316                   1,00
                                           1 800,0
Ext. pressure [Pa]                           725,0                Panel outside                 SS316                   1,00
                                             790,0
Tot. pressure [Pa]                                                Panel inside bottom           SS316                   1,00
                                            176,00
Length [mm]                                                       Profiles                       SS316
Width [mm]

Height [mm]
Weight [kg]

                                     Thermal transmittance T3                                      Mechanical stability D1
                                      Thermal bridge class TB4                                  Filter bypass leakage F9
                                      Casing leaky -400 Pa L2                                   Casing leaky +700 Pa L2

Empty section                                        - SS316      - 286,0 mm              1,14 m²      30,00 kg         22 Pa
                                           Airflow [m³/h]                        750
Opening:
                                                                     Dimensions [mm]
Weather louvre                                                                            505,0 x 600,0 x 65,0

Type               WSG         Material    SS316
                                                - SS316
Empty section                                                     - 1 250,0 mm            3,79 m²      111,00 kg            Pa
    Revision panel                                                                                                          Pa
                                                                                 Dimensions [mm] 1 178,0 x 798,0

Empty section                                         - SS316     - 264,0 mm              1,37 m²      35,00 kg
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