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KAPALI GENLEŞME TANKI HESABI.
ISITICI ELEMANLAR               f ( lt / 1000 kCal / h )                     t °C                                            KULLANMA KAT SAYISI K
 KONVEKTÖR..................................6                               90-70              ---                      GENLEŞME DEPOSU ÖN GAZ BASINCI (bar)
 FAN COİL.........................................8                         90-70                        --       0,5      1,0    1,5     2,0    2,5    3,0    3,5    4,0
 PANEL RADYATÖR......................10                                     90-70                       1,0      0,25       --     --      --     --     --     --     --
 DÖKÜM RADYATÖRLER............12                                            90-70               E
                                                                                                        1,5      0,40     0,20     --      --     --     --     --     --
                                                                                                M
 ÇELİK RADYATÖRLER...............14                                         90-70                       2,0      0,50     0,33    0,17     --     --     --     --     --
                                                                                                N
 YERDEN ISITMA...........................23                                 50-40               İ       2,5      0,57     0,42    0,28    0,14    --     --     --     --
                                            TABLO - 1                                           Y
                                                                                                E       3,0      0,62     0,50    0,37    0,25   0,12    --     --     --
SUYUN ISISINA GÖRE GENLEŞME KATSAYISI                                                           T       3,5      0,66     0,55    0,44    0,33   0,22   0,11    --     --
   °C             n              °C                                          n                          4,0      0,70     0,60    0,50    0,40   0,30   0,20   0,10    --
                                                                                                V
     0                    0,00013                          65             0,0198                E       4,5      0,72     0,63    0,54    0,45   0,36   0,27   0,18    --
     10                   0,00027                          70             0,0227                N       5,0        --     0,66    0,58    0,50   0,41   0,33   0,25   0,16
                                                                                                T
     20                   0,00177                          75             0,0258                        5,5        --       --    0,61    0,53   0,46   0,38   0,33   0,28
                                                                                                İ
     30                   0,00435                     .    80             0,0290                L       6,0        --       --     --     0,57   0,50   0,42   0,35   0,14
     40                   0,00782                          85             0,0324                İ       6,5        --       --     --      --    0,53   0,46   0,40   0,33
     50                   0,01210                          90             0,0359              (bar)     7,0        --       --     --      --    0,56   0,50   0,43   0,37
     55                   0,01450                          95             0,0396                        7,5        --       --     --      --    0,58   0,52   0,47   0,41
     60                   0,01710                          100            0,0434                        8,0        --       --     --      --     --    0,56   0,50   0,45
                                            TABLO - 2                                                                              TABLO - 3

SİSTEMDEKİ DOLAŞAN SU MİKTARININ HESABI:
Vs : Q x f (litre) Vs : Sistemdeki toplam su miktarı (lt) Q: Kazanın ısıtma kapasitesi (kCal/h) f : ısıtıcının ısı yayma gücü (TABLO 1)
VG: VS x n (litre) VG : Sistemin genleşecek su miktarı (lt) n : Suyun sıcaklık farkına göre genleşme katsayısı (TABLO : 2) den.
VN : VG + K (litre) VN : Normal genleşme deposu hacmi (litre) K : Ön basınç ile Emniyet ventili basınç ayarına göre katsayı (TABLO : 3)

SABİT BASINÇ ve EMNİYET VENTILİ HESABI :
STATİK BASINÇ : BİNA KAT SAYISI x 2.8 m/kat + KAZAN DAİRE KOT FARKI = TOPLAM KOT FARKI / 10 = Bar
ÖN GAZ BASINCI: STATİK BASINÇ + ( 0.2 ~ 0.5 bar ilave edilir. )
EMNİYET VENTİL BASINÇ DEĞERİ : PVENTİL = PEM - PTOLERASN
PEM : İŞLETME BASINCI PTOLERASN : PEM küçük veya eşit 5 bar ise 0.5 kabul edilir. Şayet PTOLERASN : PEM > 5 bar ise PEM x 0.1 alınır.

ÖRNEK HESAP : I
10 Katlı ve 22 daireli bir apartmanda ısıtıcı eleman olarak panel radyatör kullanılmıştır. Sistemde 90/70 su dolaşmaktadır. Bina da 200.000 kCal/h ısıtma gücünde bir kazan
bulunmaktadır. Sistemde kullanılacak genleşme deposunun basıncı ve hacmi nedir.

1 ) BASINÇ SINIFI ;
Statik Basınç : 10x2.8 + 3 : 31/100 = 3.1 bar
Ön gaz basıncı : 3.1 + 0.4 = 3.5 bar
PEM : 5.5 bar (işletme basıncı)
Emniyet Basınç Değeri: 5.5 - 0.5 = 5 bar,

2 ) SUYUN NORMAL HACMİ ;
Sitemdeki toplam su hacmi : Vs : Q x f                             f : (Tablo 1'den)        Vs : 200.000 x 10/1000 = 2000 litre
Sistemdeki genleşen su hacmi : VG : VS x n                       n : (Tablo 2'den) n : 90° - 10° = 0,0359 - 0,00027 = 0,0356
                                                                   VG : 2000 x 0,0356 = 71,2 litre

3 ) GENLEŞME DEPOSUNUN NORMAL HACMİ ;
VN : VG + K      K: ( ön gaz basıncı 3.5 bar emniyet ventili basıncını da 5 bar kabul ederek (TABLO 3) den K : 0.25 )
VN : 71.2+ 0.25 VN : 284.8 litre      VN : 300 litre       STANDART : LR 300/6 SEÇİLİR.

ÖRNEK HESAP : II
4 Katlı ve 16 daireli bir apartmanın döküm radyatör sisteminde 90/70 çalışan 180.00 kCal/h ısıtma gücündeki bir kazan için seçilecek genleşme deposu hesabı; kazan işletme
basıncı 5 bardır.

1 ) Statik Basınç : 4 x 2.8 + 3 = 14.2 / 10 = 1.42 bar.
    Ön Gaz Basıncı : 1.42 + 0.1 = 1.52 = 1.5 bar. ( 22 Ibs )

2 ) NORMAL HACMİ ;
Sistemdeki toplam su hacmi : VS = Q x f = 180.000 x 12 / 1000 =2160 Litre
Sistemdeki genleşen su hacmi : VG = VS x n = 2160 x 0.0356 = 76.89 Litre

3 ) Genleşme Deposunun Normal hacmi = VN = VG / K ( Ön gaz basıncı 1.5 bar Emniyet ventili (3-0.5) = 2.5 bar)
K : Tablo 3 den K : 0.28
VN = 76.89 / 0.28       VN =274.6 Litre   VN = 300 İt. STANDART : LR 300 / 6 SEÇİLİR.

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Wates-Kapalı Genleşme Tankı Hesaplama

  • 1. KAPALI GENLEŞME TANKI HESABI. ISITICI ELEMANLAR f ( lt / 1000 kCal / h ) t °C KULLANMA KAT SAYISI K KONVEKTÖR..................................6 90-70 --- GENLEŞME DEPOSU ÖN GAZ BASINCI (bar) FAN COİL.........................................8 90-70 -- 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 PANEL RADYATÖR......................10 90-70 1,0 0,25 -- -- -- -- -- -- -- DÖKÜM RADYATÖRLER............12 90-70 E 1,5 0,40 0,20 -- -- -- -- -- -- M ÇELİK RADYATÖRLER...............14 90-70 2,0 0,50 0,33 0,17 -- -- -- -- -- N YERDEN ISITMA...........................23 50-40 İ 2,5 0,57 0,42 0,28 0,14 -- -- -- -- TABLO - 1 Y E 3,0 0,62 0,50 0,37 0,25 0,12 -- -- -- SUYUN ISISINA GÖRE GENLEŞME KATSAYISI T 3,5 0,66 0,55 0,44 0,33 0,22 0,11 -- -- °C n °C n 4,0 0,70 0,60 0,50 0,40 0,30 0,20 0,10 -- V 0 0,00013 65 0,0198 E 4,5 0,72 0,63 0,54 0,45 0,36 0,27 0,18 -- 10 0,00027 70 0,0227 N 5,0 -- 0,66 0,58 0,50 0,41 0,33 0,25 0,16 T 20 0,00177 75 0,0258 5,5 -- -- 0,61 0,53 0,46 0,38 0,33 0,28 İ 30 0,00435 . 80 0,0290 L 6,0 -- -- -- 0,57 0,50 0,42 0,35 0,14 40 0,00782 85 0,0324 İ 6,5 -- -- -- -- 0,53 0,46 0,40 0,33 50 0,01210 90 0,0359 (bar) 7,0 -- -- -- -- 0,56 0,50 0,43 0,37 55 0,01450 95 0,0396 7,5 -- -- -- -- 0,58 0,52 0,47 0,41 60 0,01710 100 0,0434 8,0 -- -- -- -- -- 0,56 0,50 0,45 TABLO - 2 TABLO - 3 SİSTEMDEKİ DOLAŞAN SU MİKTARININ HESABI: Vs : Q x f (litre) Vs : Sistemdeki toplam su miktarı (lt) Q: Kazanın ısıtma kapasitesi (kCal/h) f : ısıtıcının ısı yayma gücü (TABLO 1) VG: VS x n (litre) VG : Sistemin genleşecek su miktarı (lt) n : Suyun sıcaklık farkına göre genleşme katsayısı (TABLO : 2) den. VN : VG + K (litre) VN : Normal genleşme deposu hacmi (litre) K : Ön basınç ile Emniyet ventili basınç ayarına göre katsayı (TABLO : 3) SABİT BASINÇ ve EMNİYET VENTILİ HESABI : STATİK BASINÇ : BİNA KAT SAYISI x 2.8 m/kat + KAZAN DAİRE KOT FARKI = TOPLAM KOT FARKI / 10 = Bar ÖN GAZ BASINCI: STATİK BASINÇ + ( 0.2 ~ 0.5 bar ilave edilir. ) EMNİYET VENTİL BASINÇ DEĞERİ : PVENTİL = PEM - PTOLERASN PEM : İŞLETME BASINCI PTOLERASN : PEM küçük veya eşit 5 bar ise 0.5 kabul edilir. Şayet PTOLERASN : PEM > 5 bar ise PEM x 0.1 alınır. ÖRNEK HESAP : I 10 Katlı ve 22 daireli bir apartmanda ısıtıcı eleman olarak panel radyatör kullanılmıştır. Sistemde 90/70 su dolaşmaktadır. Bina da 200.000 kCal/h ısıtma gücünde bir kazan bulunmaktadır. Sistemde kullanılacak genleşme deposunun basıncı ve hacmi nedir. 1 ) BASINÇ SINIFI ; Statik Basınç : 10x2.8 + 3 : 31/100 = 3.1 bar Ön gaz basıncı : 3.1 + 0.4 = 3.5 bar PEM : 5.5 bar (işletme basıncı) Emniyet Basınç Değeri: 5.5 - 0.5 = 5 bar, 2 ) SUYUN NORMAL HACMİ ; Sitemdeki toplam su hacmi : Vs : Q x f f : (Tablo 1'den) Vs : 200.000 x 10/1000 = 2000 litre Sistemdeki genleşen su hacmi : VG : VS x n n : (Tablo 2'den) n : 90° - 10° = 0,0359 - 0,00027 = 0,0356 VG : 2000 x 0,0356 = 71,2 litre 3 ) GENLEŞME DEPOSUNUN NORMAL HACMİ ; VN : VG + K K: ( ön gaz basıncı 3.5 bar emniyet ventili basıncını da 5 bar kabul ederek (TABLO 3) den K : 0.25 ) VN : 71.2+ 0.25 VN : 284.8 litre VN : 300 litre STANDART : LR 300/6 SEÇİLİR. ÖRNEK HESAP : II 4 Katlı ve 16 daireli bir apartmanın döküm radyatör sisteminde 90/70 çalışan 180.00 kCal/h ısıtma gücündeki bir kazan için seçilecek genleşme deposu hesabı; kazan işletme basıncı 5 bardır. 1 ) Statik Basınç : 4 x 2.8 + 3 = 14.2 / 10 = 1.42 bar. Ön Gaz Basıncı : 1.42 + 0.1 = 1.52 = 1.5 bar. ( 22 Ibs ) 2 ) NORMAL HACMİ ; Sistemdeki toplam su hacmi : VS = Q x f = 180.000 x 12 / 1000 =2160 Litre Sistemdeki genleşen su hacmi : VG = VS x n = 2160 x 0.0356 = 76.89 Litre 3 ) Genleşme Deposunun Normal hacmi = VN = VG / K ( Ön gaz basıncı 1.5 bar Emniyet ventili (3-0.5) = 2.5 bar) K : Tablo 3 den K : 0.28 VN = 76.89 / 0.28 VN =274.6 Litre VN = 300 İt. STANDART : LR 300 / 6 SEÇİLİR.