Itheyibhile yeyunithi yokuguqulwa eqhelekileyo yefriji

Iiyunithi eziqhelekileyo kunye nokuguqulwa

1 MW = 1000 KW

1 KW=1000 W

1 KW=861Kcal/h=0.39 P

1 W= 1 J/s

0.1MPa=1kg/cm2=10mimekyuri ikholam=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(umbane)=0.75KW.umbane）

1KW.umbane）=1.34HP(umbane）

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

I-1 l/s=15.85GPM

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

1 Pa=0.1mmH2O=0.0001mH2O

1 mH2O=104Pa=10kPa

(Ixabiso le-thermal yamalahle asemgangathweni) Hc=8.14*103W.h/kg

1 MJ=0.034125kg (umgangatho amalahle)

1 Nm3.yendalo igesi）=1.2143kg(umgangatho amalahle)

Ulwazi oluqhelekileyo

I-1 kcal: i-1 kg yokushisa kwamanzi ukunyuka okanye ukuwa kwe-1 ℃ phantsi koxinzelelo oluqhelekileyo lwe-atmospheric, Ubushushu obufunxayo okanye obukhutshwayo yikhalori enye.

I-1 kilogram yeqhwa ifumana iikhalori ezingama-80

Ubushushu be-vaporization ye-1 kilogram yamanzi yi-539 calories

I-4 ℃ ingxinano yamanzi yeyona inkulu

I-EER/COP/IPLV，umthamo wokukhenkcisa/Umlinganiselo wemveliso yobushushu ukuya kumandla okufakwayo.EER ithetha icompressor，COP ithetha inkqubo，IPLV ithetha i-avareji enobunzima bokusebenza kakuhle kwamandla phantsi kwemithwalo eyahlukeneyo.

IPLV=2.3% * A+41.5% * B + 46.1% * C+10.1% * D (i-avareji yobunzima)