Teburin juzu'i gama gari don firiji

Raka'a gama gari da juyawa

1 MW = 1000 KW

1 KW = 1000 W

1 KW=861Kcal/h=0.39P

1 W= 1 J/s

0.1MPa=1kg/cm2=10mmercury shafi= 100KPa

1 USTR=3024Kcal/h=3517W（冷量）

1 BTU=0.252kcal/h=1055J

1 BTU/H=0.252kcal/h

1 BTU/H=0.2931W

1 MTU/H=0.2931KW

1 HP (wutar lantarki= 0.75KWwutar lantarki)

1 KW (wutar lantarki= 1.34HPwutar lantarki)

1 RT=3.517KW

1 KW=0.284RT=860kcal/h=3.412MBH

1 P=2200kcal/h=2.56KW

1 kcal/h=1.163W

1 W=0.86kcal/h

F=9/5℃+32

℃= (F-32) 5/9

1 CFM=1.699M³/H=0.4719 l/s

1 M³/H=0.5886CFM

1 l/s=2.119CFM

1 GPM=0.06308 l/s

1 l/s=15.85GPM

1 kg/cm2=105=10mH2O=1bar=0.1MPa

1 Pa=0.1mmH2O=0.0001mH2O

1 mH2O=104Pa=10kPa

(Kimar zafi na daidaitaccen gawayi) Hc=8.14*103W.h/kg

1 MJ=0.034125kgmisali gawayi)

1 Nm3na halitta gas= 1.2143 kgmisali gawayi)

Sanin kowa

1 kcal: 1 kg na yawan zafin jiki na ruwa ko faɗuwa 1 ℃ a ƙarƙashin matsin yanayi na al'ada, zafin da aka sha ko aka saki shine 1 kalori.

1 kilogiram na kankara yana samun adadin kuzari 80

Zafin vaporization na kilogiram 1 na ruwa shine adadin kuzari 539

4 ℃ yawan ruwa shine mafi girma

EER / COP / IPLV ， refrigerating iya aiki / Ratio na zafi fitarwa zuwa shigar da iko.EER yana nufin kwampreso ， COP na nufin tsarin ， IPLV yana nufin matsakaicin nauyi na makamashi yadda ya dace a karkashin daban-daban lodi.

IPLV=2.3% *A+41.5%*B+46.1%*C+10.1%*D(matsakaicin nauyi)