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 unoshanda (W) kutamisa kupisa, kubva pakupisa kwakaderera (Q)L) kusvika pakupisa kwakanyanya (QHZvichibva pakuchengetedza simba, QL + W = QH.

Kana injini yekupisa ichishandisa izwi rekuti efficiency, refrigerant inoshandisa izwi rekuti coefficient of performance (C).P). Chiyero chekushanda (C)P) ye refrigerant inhamba iri pakati pekupisa kunotamiswa kubva pakupisa kwakaderera (QL) kushanda (W), izvo zvinoitirwa kutamisa kupisa.

onawo  Kuchaja kwemagetsi

Muchina wekutonhodza wekushanda zvakanaka 1

Kushanda kwakakodzera kwemuchina wekutonhodza:

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