Open AccessSTUDI EKSPERIMENTAL PERPINDAHAN KALOR KONVEKSI, PENURUNAN TEKANAN DAN FAKTOR GESEKAN PADA ALAT PENUKAR KALOR MENGGUNAKAN MICRO-FIN TUBE
Author(s) -
Ahmad Imam Rifa’i,
Budi Kristiawan,
Agung Tri Wijayanta
Publication year - 2019
Publication title -
mekanika
Language(s) - English
Resource type - Journals
eISSN - 2579-3144
pISSN - 1412-7962
DOI - 10.20961/mekanika.v18i1.35040
Subject(s) - reynolds number , fin , pressure drop , heat exchanger , heat transfer coefficient , materials science , thermodynamics , heat transfer , turbulence , friction factor , mechanics , physics , composite material
Micro-fin is the popular technique for increasing heat transfer performance of the heat exchangers. In this research, the heat transfer coefficient of water inside counter-flow heat exchangers with micro-fin was investigated by experiment at the Reynolds number (Re) was varied from 4000-10,000. The results show that the heat transfer coefficient increase with increasing Reynolds number. Furthermore, effect helical micro-fin increasing pressure drop and friction factor at turbulent flow region.