Studi Eksperimental Skala Laboratorium Rumah Pengering Kopi Menggunakan Plastik Ultra Violet (UV Solar Dryer) Dengan Mekanisme Konveksi Paksa

Riky Yonerto Runesi, Verdy A. Koehuan dan Nurhayati

  • Riky Yonerto Runesi(1)
    Program Studi Teknik Mesin, Fakultas Sains dan Teknik Universitas Nusa Cendana
  • Verdy A. Koehuan(2*)
    Program Studi Teknik Mesin, Fakultas Sains dan Teknik Universitas Nusa Cendana https://orcid.org/0000-0003-1204-8776
  • Nurhayati Nurhayati(3)
    Program Studi Teknik Mesin, Fakultas Sains dan Teknik Universitas Nusa Cendana
  • (*) Corresponding Author
Keywords: Ultraviolet solar dryer, drying process, forced convection, coffee bean drying

Abstract

The utilization of solar radiation in the greenhouse effect dryer (ERK) is an alternative to overcome the drying process constraints. The drying process in direct sunlight, which is common in the community, has drawbacks, such as low capacity and takes a long time, and the risk of contamination and disturbance from animals during the drying process. Meanwhile, the quality criteria for coffee beans include physical aspects, taste, and cleanliness as well as uniform and consistent aspects which are largely determined by the treatment at each stage of the production process. The drying process uses ultraviolet plastic (UV solar dryer) to absorb solar radiation and the heat is trapped, then it is used for the drying process of the material. The problem studied is how the performance of the coffee bean drying house through experimental studies using ultraviolet plastic (UV solar dryer) using the forced convection mechanism. The purpose of this study was to determine the efficiency of the coffee bean drying house and the drying rate on the speed of the outflow of air through the exhaust fan. Drying time starts from 11.00 to 15.00 with a total initial coffee weight of 53.37 kg (drying capacity 7.76 kg/m2) and an initial moisture content of 45.5%. From the experimental results, the temperature distribution in the dryer house with an increase in the outflow velocity through the exhaust fan, the air temperature distribution in the dryer house tends to be uniform. However, the variation in flow rate shows the highest coffee bean drying rate at an exit speed of 1.0 m/s, with an efficiency of 9.68% and specific energy consumption of 32799.64 kJ/kg

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References

[1]. Sary, R. (2016). Kaji eksperimental pengering biji kopi dengan menggunakan sistem konveksi paksa. Jurnal Polimesin (ISSN : 1693-5462), Volume 14, Nomor 2, Agustus 2016 , 1-5.
[2]. Prasojo D. 2009. Efisiensi Proses Pengeringan Tapioka di PT. Umas Jaya Agrotama, Terbagi Besar, Lampung Tengah. Skripsi Fateta IPB. Bogor.
[3]. Gede Widayana, S. M. (Banjarmasin, 7-8 Oktober 2015). Prototipe Sistem Pengeringan Cengkeh Dengan Energi Surya. Proceeding Seminar Nasional Tahunan Teknik Mesin XIV (SNTTM XIV) , 1-4.
[4]. Utari, S. (2013). Uji performansi pengering efek rumah kaca (ERK)- HYBRID tipe rak berputar untuk pengeringan sawut ubi jalar (Ipomoea batatas L). Bogor: Departemen teknik mesin dan biosistem fakultas teknologi pertanian institut bogor.
[5]. Endri Yani dan Suryadi Fajrin, 2013 Karakteristik Pengeringan Biji Kopi Berdasarkan Variasi Kecepatan Aliran Udara pada Solar Dryer, TeknikA, Vol. 20 No. 1 April 2013
[6]. Sary, R. (2016). Kaji eksperimental pengering biji kopi dengan menggunakan sistem konveksi paksa. Jurnal Polimesin (ISSN : 1693-5462), Volume 14, Nomor 2, Agustus 2016, 1-5.
[7]. Sholahuddin, L. O. (2016). Simulasi rancangan mesin pengering efek rumah kaca tipe terowongan untuk pengeringan komoditi hasil pertanian . Seminar Nasional II penerapan ilmu pengetahuan dan teknologi Universitas Tanjungpura , 61-66.
[8]. Kamaruddin, (2007). Tipe Pengering Surya untuk Pengeringan Produk Pertanian / SOLAR ABSORPTIVITY. 2007
[9]. Muarif, 2013. Melakukan Penelitian Tentang Pengeringan Menggunakan Aplikasi. PENGERTIAN PEMANASAN.
[10]. Laporan hasil penelitian (pengembangan pemanfaatan teknologi energi surya dalam upaya dukungan pemenuhan logistik air di markas TNI AL, Labuan Bajo, Nusa Tenggara Timur).
[11]. Winarno, F. G. 1993. Pengantar Teknologi Bahan. PT. Gramedia. Jakarta

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Published
2020-10-01
How to Cite
Runesi, R., Koehuan, V., & Nurhayati, N. (2020). Studi Eksperimental Skala Laboratorium Rumah Pengering Kopi Menggunakan Plastik Ultra Violet (UV Solar Dryer) Dengan Mekanisme Konveksi Paksa. LONTAR Jurnal Teknik Mesin Undana, 7(02), 28-37. https://doi.org/10.35508/ljtmu.v7i02.3345
Section
Articles

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