Perancangan Sistem Pendingin Air Menggunakan Elemen Peltier Berbasis Mikrokontroler ATmega8535
DOI:
https://doi.org/10.25077/jfu.5.1.35-41.2016Abstract
Perancangan sistem pendingin air menggunakan elemen Peltier berbasis mikrokontroler ATmega8535 telah dilakukan. Sisi dingin elemen Peltier dimanfaatkan sebagai pendingin air. Kemampuan elemen Peltier untuk memompa panas dari sistem ke lingkungan diuji dengan menvariasikan massa air yaitu 50 g, 100 g, 150 g, 300 g dan 500 g. Panas dari sistem diserap melalui heatsink bagian bawah kemudian panas dilepaskan ke lingkungan pada heatsink bagian atas. Fan AC digunakan untuk mempercepat pelepasan panas dari heatsink ke udara sehingga pemindahan panas dari sistem ke lingkungan berjalan lebih cepat. Sensor LM35 digunakan sebagai pendeteksi perubahan temperatur. Mikrokontroler ATmega8535 memproses keluaran sensor LM35 dan menampilkannya di LCD. Hasil penelitian menunjukkan kemampuan elemen Peltier menurun seiring bertambahnya massa air dan meningkat dengan bertambahnya tegangan dan arus. Pada tegangan 12 V/3 A, elemen Peltier mampu menurunkan temperatur air bermassa 50 g hingga 5,7 °C, sedangkan untuk air bermassa 500 g elemen Peltier hanya mampu menurunkan temperatur air hingga 14,2 °C.
Kata kunci : elemen Peltier, LM35
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Copyright (c) 2016 Frima Gandi, Meqorry Yusfi
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