TY - JOUR T1 - Optimization of the Friction Factor and Frictional Pressure Drop of R22 and R290 AU - Normah Ghazali,Qais Abid Yousif,Agus S. Pamitran,Sentot Novianto,Robiah Ahmad JO - International Journal of Technology VL - 7 IS - 2 SP - 291 EP - 319 PY - 2016 DA - 2016/02/29 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v7i2.2989 UR - https://ijtech.eng.ui.ac.id/article/view/1609