Tabili iyipada ti o wọpọ fun itutu agbaiye

Wọpọ sipo ati iyipada

1 MW = 1000 KW

1 KW=1000 W

1 KW=861Kcal/h=0.39 P

1 W= 1 J/s

0.1MPa = 1kg/cm2 = 10mMakiuri ọwọn= 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(itanna)=0.75KW (itanna)

1 KW (itanna) = 1.34HP (itanna)

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 / wakati kan

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

(Orugbo iye ti boṣewa edu) Hc=8.14*103W.h/kg

1 MJ=0.034125kg (boṣewa eedu)

1 Nm3 (adayeba gaasi1.2143kg(boṣewa eedu)

Imọye ti o wọpọ

1 kcal: 1 kg ti iwọn otutu omi tabi isubu 1 ℃ labẹ titẹ oju aye deede, Ooru ti o gba tabi tu silẹ jẹ kalori 1.

1 kilo ti yinyin gba awọn kalori 80

Ooru ti vaporization ti 1 kilogram ti omi jẹ awọn kalori 539

4 ℃ iwuwo omi jẹ eyiti o tobi julọ

EER / COP / IPLV ， agbara firiji / Ipin ti iṣelọpọ ooru si agbara titẹ sii.EER tumọ si compressor ， COP tumọ si eto ， IPLV tumọ si iwọn iwọn ti ṣiṣe agbara labẹ awọn ẹru oriṣiriṣi.

IPLV=2.3% * A+41.5% * B + 46.1% * C+10.1% * D (apapọ iwuwo)