Auteur Yohan, Lee
Documents disponibles écrits par cet auteur (2)
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Article : texte imprimé
Yohan, Lee, Auteur ; Dong Gyu Kang, Auteur ; Joo-Hyung Kim, Auteur |In this study, nucleate boiling heat transfer coefficients (HTCs) of HFO1234yf HFC134a are measured on a flat plain, Turbo-B, Turbo-C, and Thermoexcel-E surfaces. All data are taken at the liquid pool temperature of 7 °C on small flat horizontal[...]
Article : texte imprimé
Performance of virtually non-flammable azeotropic HFO1234yf/HFC134a mixture for HFC134a applications
Yohan, Lee, Auteur ; Dong Gyu Kang, Auteur ; Dongsoo Jung, Auteur |In this study, ‘drop-in’ performance of HFC134a, HFO1234yf and HFO1234yf/HFC134a mixture at three compositions of 5%, 10%, and 15% HFC134a is measured in a heat pump bench tester under summer and winter conditions. Test results show that the COP[...]
