Kushanda kwemuchina wekutonhodza (Coefficient of performance)

Chinyorwa pamusoro peCoefficient yekushanda kwemuchina wekutonhodza

Muchina wekutonhodza muchina unotora kupisa kubva panzvimbo ine tembiricha yakaderera, wozoendesa kunzvimbo ine tembiricha yakakwirira. Kuti izvi zviitike, muchina unofanirwa kuita basa nekuti kupisa kunoyerera kubva patembiricha yakakwirira kuenda patembiricha yakaderera. Izvi zvinobva mumashoko aClausius:

Hazvigoneki kuti muchina wekutonhodza ubvise kupisa kubva panzvimbo ine tembiricha yakaderera kuenda kunzvimbo ine tembiricha yepamusoro, pasina kushanda (Mutemo wechipiri wethermodynamics—Clausius statement).

Muchina uyu unoshanda (W) kutamisa kupisa, kubva pakupisa kwakaderera (Q L ) kuenda pakupisa kwakakwirira (Q H ) . Zvichibva pakuchengetedza simba, Q L + W = Q H.

Kana injini yekupisa ikashandisa izwi rekuti efficiency, saka refrigerant inoshandisa izwi rekuti coefficient of performance (C P ). Coefficient of performance (C P ) yerefrigerant iratio iri pakati pekupisa kunotamiswa kubva patembiricha yakaderera (Q L ) kuenda kubasa (W), izvo zvinoitirwa kutamisa kupisa.

Muchina wekutonhodza wekushanda zvakanaka 1

Kushanda kwakakodzera kwemuchina wekutonhodza:

Muchina wekutonhodza wekushanda zvakanaka 2
TL = tembiricha yakaderera, TH = tembiricha yakakwira