PUSPITASARI, S.; SAFITRA, A. G. STUDI EKSPERIMEN PENGARUH POROSITY RATIO PADA PERFORATED TWISTED TAPE INSERT TERHADAP KARAKTERISTIK HEAT TRANSFER DAN FRICTION FACTOR PADA PENUKAR KALOR PIPA GANDA. JURNAL TEKNOLOGI TECHNOSCIENTIA, [S. l.], v. 11, n. 2, p. 121–127, 2019. DOI: 10.34151/technoscientia.v11i2.806. Disponível em: https://ejournal.akprind.ac.id/index.php/technoscientia/article/view/806. Acesso em: 22 dec. 2024.