Tebụlụ ntugharị nkịtị maka friji

Nkeji nkịtị na ntụgharị

1 MW = 1000 KW

1 KW = 1000 W

1 KW=861Kcal/h=0.39P

1 W= 1 J/s

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

1 USTR=3024Kcal/h=3517W

1 BTU=0.252kcal/h=1055J

1 BTU/H = 0.252kcal / h

1 BTU/H=0.2931W

1 MTU/H=0.2931KW

1 HPọkụ eletrik= 0.75KWọkụ eletrik)

1 KW (ọkụ eletrik= 1.34HPọkụ eletrik)

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 = 0.86 kcal / 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

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

1 Pa=0.1mmH2O=0.0001mH2O

1mH2O=104Pa=10kPa

(Uru ọkụ nke coal ọkọlọtọ) Hc=8.14*103W.h/kg

1 MJ=0.034125kgọkọlọtọ kol)

1 Nm3eke gas= 1.2143kg (ọkọlọtọ kol)

Ihe ọmụma nkịtị

1 kcal: 1 n'arọ nke mmiri okpomọkụ na-ebili ma ọ bụ daa 1 ℃ n'okpuru nrụgide ikuku nkịtị, okpomọkụ na-etinye ma ọ bụ wepụta bụ 1 kalori.

Otu kilogram ice na-enweta calorie 80

Okpomọkụ nke vaporization nke 1 kilogram mmiri bụ calorie 539

4 ℃ njupụta mmiri kacha ukwuu

EER / COP / IPLV ， refrigerating ikike / Ratio nke okpomọkụ mmepụta na ntinye ike.EER pụtara compressor ， COP pụtara usoro ， IPLV pụtara arọ nkezi nke ike arụmọrụ n'okpuru dị iche iche ibu.

IPLV=2.3% * A+41.5% * B + 46.1% * C+10.1% * D (nkezi dị arọ)