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      Perancangan dan Uji Performa Sistem PV/T untuk Pengeringan Singkong

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      Date
      2024
      Author
      Abiyyu, Fauzul Asyam
      Nelwan, Leopold Oscar
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      Abstract
      Singkong merupakan salah satu pangan pokok di Indonesia. Singkong dapat diolah menjadi tepung singkong. Tepung singkong dibuat dengan mengeringkan singkong menjadi gaplek. Proses pengeringan gaplek umumnya dilakukan dengan penjemuran di atap atau tanah lapang Hal ini dapat mengakibatkan penurunan kualitas singkong karena kontaminasi bakteri dan jamur seperti aspergillus sp. Selain itu cuaca yang tidak menentu juga dapat memperlambat proses pengeringan. Pengeringan dengan alat pengering dapat menjadi solusi permasalahan tersebut. Desain pengering yang tepat diperlukan untuk mencapai target pengeringan yaitu kadar air singkong sebesar 14% b.b dan durasi pengeringan yaitu 5 hari atau kurang. Penelitian ini bertujuan untuk membuat sistem pengering singkong yang dapat menghasilkan energi secara mandiri dan bersih. Penelitian dimulai dengan merancang pengering singkong berkapasitas 4 kg dan bahan dengan potongan berbentuk chips setebal 3-4 cm. Ruang pengering didesain agar sampel dapat dialirkan udara secara maksimal. Rancangan sistem PV/T menggunakan panel surya 100 Wp seluas 0.67 x 0.76 m dengan kolom penukar panas yang terbuat dari kayu berlapis insulator. Fabrikasi pengering dilakukan setelah proses desain selesai. Pengujian pengering dilakukan 3 kali. Pengering singkong yang telah dibuat dapat mengeringkan singkong hingga mencapai kadar air rata-rata sebesar 30.77% b.b selama 5 hari dengan kelembaban udara absolut rata-rata pada cerobong sebesar 23.25 g uap air/kg udara kering dan suhu pengering rata-rata sebesar 37.76 °C.
       
      Cassava is one of the staple foods in Indonesia. Cassava can be processed into cassava flour. Cassava flour is made by drying cassava to produce cassava chips. The drying process for cassava chips is commonly done by sun drying on rooftops or open ground. However, this can result in a decrease in cassava quality due to bacterial and fungal contamination, such as Aspergillus sp. Additionally, unpredictable weather conditions can also slow down the drying process. Using a drying apparatus can be a solution to these problems. The appropriate drying design is needed to achieve the drying target, which is a moisture content of 14% (wet basis) and a drying duration of 5 days or less. This study aims to create a cassava drying system that can generate independent and clean energy. The research begins with designing a 4 kg capacity cassava dryer with sample chips thickness of 3-4 cm. The drying chamber is designed to allow for maximum airflow through the sample. The PV/T system design utilizes a 100 Wp solar panel with dimensions of 0.67 x 0.76 m and a heat exchanger column made of insulated wood. Fabrication of the dryer is carried out after the design process is completed. The dryer is tested three times. The constructed cassava dryer is capable of drying cassava to an average moisture content of 30.77% (wet basis) over 5 days, with an average chimney absolute humidity of 23.25 g of moisture/kilogram of dry air and an average drying temperature of 37.76 °C.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/155185
      Collections
      • UT - Agricultural and Biosystem Engineering [3593]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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