Auteur Youngju Joo
Documents disponibles écrits par cet auteur (2)
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Article : texte imprimé
Mooyeon Lee, Auteur ; Taehyung Kang, Auteur ; Youngju Joo, Auteur |The objective of this study is to investigate the heat transfer characteristics of spirally-coiled circular fin-tube heat exchangers under frosting conditions. The heat transfer rate, pressure drop, frost thickness, and Nusselt number of the hea[...]
Article : texte imprimé
Youngju Joo, Auteur ; Hoon Kang, Auteur ; Jae Hwan Ahn, Auteur |A simultaneous cooling and heating multi-heat pump can improve thermal comfort and energy efficiency through heat recovery at partial load conditions. The performance of a simultaneous heating and cooling multi-heat pump with four indoor units w[...]
