Experimental Study of Heat Transfer Characteristics in The Hair-Pin Heat Exchanger - Shalihuddin, Aulia Arif; Program Studi Sistem Pembangkit Energi, DTME, Politeknik Elektronika Negeri Surabaya, Jl. Raya ITS, Sukolilo Surabaya 60111 (Seminar Nasional Teknik Kimia Kejuangan, 2016)