Anisum Anisum, Anisum
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Analisis Kinetika Kadar Air pada Pengeringan Biji Kakao (Theobroma caccao Linn) dengan Menggunakan Pengering Tipe Greenhouse Anisum, Anisum
Jurnal Pertanian Terpadu Jurnal Pertanian Terpadu Jilid IV nomor 2 Desember 2016
Publisher : Sekolah Tinggi Pertanian Kutai Timur

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Abstract

Penelitian ini bertujuan menganalisis kinetika perubahan kadar air biji kakao selama pengeringan. Penelitian ini dilaksanakan pada bulan Agustus 2016. Perlakuan yang digunakan dalam penelitian terdiri dari tiga perlakuan yaitu (1) pengeringan biji kakao dengan metode konvensional (kontrol), (2) pengeringan biji kakao dengan pengering tipe greenhouse, dan (3) pengeringan biji kakao dengan pengering tipe greenhouse menggunakan reflektor. Parameter yang diamati meliputi kadar air, susut bobot dan bulk density. Pengeringan tipe greenhouse menggunakan reflektor mampu menurunkan kadar air 86% menjadi 50,28% selama 2 hari pengeringan (penjemuran). Nilai laju pengeringan untuk tiga perlakuan pengeringan berada pada kisaran 0,0025-0,006. Untuk Susut bobot menunjukkan pengeringan dengan greenhouse menggunakan reflektor menghasilkan nilai yang terbesar yaitu 103,02 gram.  Nilai bulk density terkecil adalah pada pengeringan tipe greenhouse menggunakan reflektor. Suhu pengeringan mempengaruhi kecepatan penguapan kadar air pada biji kakao (laju pengeringan). Semakin tinggi suhu pengeringan, semakin besar laju pengeringan terjadi pada kelembaban relatif konstan. Nilai koefisiensi korelasi antara prediksi dan observasi yang rata-rata hampir mendekati 1.
Analisis Distribusi Suhu dan Kelembaban Udara dalam Rumah Jamur (Kumbung) Menggunakan Computational Fluid Dynamics (CFD) Anisum, Anisum; Bintoro, Nursigit; Goenadi, Sunarto
Agritech Vol 36, No 1 (2016)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1132.86 KB) | DOI: 10.22146/agritech.10686

Abstract

One effort to optimize the temperature and humidity in the mushroom house during the dry season using evaporative cooler. This research was conducted two treatment variation which were assessed about distribution of temperature and humidity of air inside a mushroom house using Computational Fluid Dynamics (CFD) is the condition of building using natural ventilation and condition of building with water used evaporative cooler. Computational Fluid Dynamics (CFD) analysis was able to model the distributions of temperature and humidity, and air movement pattern inside of a mushroom house. The validation point of temperature distribution and humidity in the mushroom house has an error 0.70-2.62%. The results CFD analysis of temperature and humidity were able to reduced by about ±loC and ±5.1% for building with evaporative cooler used water. The indicated that buildings evaporative cooler used water able to reduced air temperature and increasing humidity in the mushroom houses.ABSTRAKSalah satu upaya untuk mengoptimalkan suhu dan kelembaban udara dalam rumah jamur pada musim kemarau dengan menggunakan evaporative cooler (pendingin penguap). Pada penelitian ini ada dua variasi perlakuan yang dikaji pendistribusian suhu dan kelembaban udara dalam rumah jamur dengan menggunakan Computational Fluid Dynamics (CFD), yaitu kondisi bangunan menggunakan ventilasi alamiah dan kondisi bangunan dengan pendingin penguap (evaporative cooler) menggunakan air. Analisis dengan Computational Fluid Dynamics (CFD) mampu memodelkan distribusi suhu dan kelembaban udara, serta pola pergerakan udara dalam rumah jamur. Nilai validasi distribusi suhu dan kelembaban udara dalam rumah jamur menunjukkan error 0,70 - 2,62%. Dari hasil analisis CFD suhu dan kelembaban udara mampu diturunkan sebesar ±1oC dan ±5,1% untuk bangunan dengan evaporative cooler menggunakan air. Hal ini menunjukkan bahwa bangunan dengan evaporative cooler menggunakan air mampu menurunkan suhu udara dan meningkatkan kelembaban udara dalam rumah jamur.
PENGARUH PENAMBAHAN BEKATUL DAN TEPUNG JAGUNG PADA MEDIA TANAM TERHADAP PRODUKTIVITAS JAMUR TIRAM PUTIH (Pleurotus ostreatus) Anisum, Anisum; Rusdi, Muhammad
Jurnal Magrobis Vol 19, No 1 (2019)
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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Abstract

The purpose of this research is to determine the composition of rice bran and corn flour which are best to planting media of while oyster mushroom and was determined of rice bran and corn flour will increase growth productivity of white oyster mushrooms. The research was conducted experimentally using Randomized Block Design (RBD) has two factors, the first factor is an addition of rice bran with treatments such as A1 = 5 kg, A2 = 1 kg, A3 = 2 kg and the second factor is an addition of corn flour with treatments such as B1 = 0.04 kg, B2 = 0.08 kg, B3 = 0.12 kg. Data analysis used Analysis of Variety (ANOVA). The results showed the highest average number of fruit bodies was 7.4 (A3B2), moreover the highest average fruit weight was 56.36 g (A3B1). However, the concluded were determined of rice bran and corn flour to planting media can increase the productivity of the growth of white oyster mushrooms with treatments A3B1, A3B2, and A3B3 can produce white oyster mushrooms up to 56.36 g. It can be concluded based the results of statistical analysis that the addition of rice bran and corn flour cannot influence the increase growth productivity of white oyster mushrooms of rice bran and corn flour will increase growth productivity of white oyster mushrooms Keywords: White oyster mushrooms, rice bran, corn flour
UJI KINERJA ALAT PENGERING HYBRID TIPE LORONG UNTUK PENGERINGAN BIJI KAKAO (Theobroma caccao Linn) Rianti, Risa; Kahar, Kahar; Anisum, Anisum
Jurnal Magrobis Vol 18, No 2 (2018)
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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Abstract

Research aimed determine the total energy received by the hybrid solar tunnel dryer, and to determine the efficiency of the hybrid solar tunnel dryer. The research method was an experiment method. Date retrieve procedures include: intensity of solar radiation, the room temperature of drying, furnaces temperature and ambient temperature. The research result shows that the total heating energy of material is 45.73 kJ, evaporation energy of material is 694.40 kJ, and the air heating energy is 25.21 kJ. The thermal efficiency of hybrid dryer is 14.09%, furnace efficiency is 18.78% and total efficiency is 15.82%. Keywords: hybrid solar tunnel dryer, efficiency, total energy.