toplam debi=(kombi +1.ocak)*0.819 +2.ocak*0.563

kombi=30000/8250*1=3.63 m3/h

ocak=13000/8250*1=1.6m3/h

toplam debi3.63+1.6)*0.819+1.6*0.563=4.3+0.9=5.2