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All Journal Jurnal Energi Dan Manufaktur SIGMA EPSILON - Majalah Ilmiah Teknologi Keselamatan Nuklir Jurnal Teknologi Reaktor Nuklir Tri Dasa Mega Jurnal Keteknikan Pertanian Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin JURMA : Jurnal Program Mahasiswa Kreatif
Yogi Sirodz Gaos
Universitas Ibn Khaldun Bogor
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Computer Science & IT Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Public Health Social Sciences

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Journal : Jurnal Keteknikan Pertanian

 1 
ANALlSIS ENERGI DAN SEBARAN SUHU PADA GASIFIER UNGGUN TETAP Yogi Sirodz Gaos; Armansyah H. Tambunan; Kamaruddin Abdullah; Prawoto Prawoto
Jurnal Keteknikan Pertanian Vol. 21 No. 2 (2007): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.021.2.%p

Abstract

ABSTRACT Performance test of Imbert Downdraft Gesifier by using cyclone as an auxiliary for tar filtering has been conducted with three kinds of feeding chips, i. e; borneo wood, tamarind wood and leucena wood. The research has been developed to support as an energy source for combined heat power generation. Gesifier will be coupled to diesel generating set and waste heat from the exhaust gas will be used as energy source for an adsorption type refrigeration system. The test had produced the best combustible gas with the chemical composition CO = 55,59 %, CH4 = 0,14 %, C2H6 = 0,3 % and C3H8= 0, 08 %. The maximum temperature 1142 oC has been found in oxidation zone based on the leucena wood test, meanwhile the calculation result of energy availability for the combustible gas was 60,39 kW and specific energy availability was 0,082 kg/kWh. The test result of temperature distribution along the reactor compare to numerical solution of mathemathicai modelling has got the similar curve. Diterima: 26 Pebruari 2007, Disetujui: 25 Mei 2007
Analisis Sistem Heat Pump Kompresi Uap untuk Pengeringan Gabah Damawidjaya Biksono; Leopold Oscar Nelwan; Tineke Mandang; Dyah Wulandani; Yogi Sirodz Gaos
Jurnal Keteknikan Pertanian Vol. 4 No. 2 (2016): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2026.833 KB) | DOI: 10.19028/jtep.04.2.%p

Abstract

AbstractAs a drying system, heat pump drying with appropriate configuration is potential to safe energy. The objective of this research was to develop vapor compression heat pump system for rough rice drying and to obtain low energy consumption from several system configurations. Therefore, the model of vapor compression heat pump system was designed in which its configuration was modifiable. The result showed that the ratio of specific moisture extraction rate which calculated mechanic and thermal consumption (SMERTot) upon resistive heating dryer for those several configurations was 159 – 329%. The open cycle heat pump drying method with intermittent operation produced the highest specific moisture extraction rate which only calculated thermal energy (SMERT) and SMERTot at 7.06 and 5.06 kg/kWh, respectively. Intermittent operation did not much influence drying rate but significantly reduced energy consumption. Ambient air inlet which placed before evaporator and condenser on a closed cycle could produce different SMERTot i.e. 4.01 dan 3.07 kg/kWh respectively. The utilization of ambient air through forced convection in heat exchanger could increase SMERTot, while the utilization of air flow the dryer from outlet could reduce SMERTot.AbstrakPengeringan heat pump merupakan sistem pengeringan yang berpotensi menghemat energi terutama apabila konfigurasinya sesuai. Tujuan dari penelitian ini adalah mengembangkan sistem heat pump kompresi uap (HPKU) untuk pengeringan gabah dan mendapatkan konsumsi energi yang rendah dariberbagai konfigurasi sistem. Untuk itu pada penelitian ini didesain sebuah model sistem pengering heat pump yang konfigurasinya dapat diubah-ubah untuk  pengeringan gabah. Hasil percobaan memperlihatkan bahwa rasio peningkatan specific moisture extraction rate yang memperhitungkan konsumsi energi mekanik dan termal (SMERTot) terhadap pengering pemanas resistif untuk berbagai konfigurasi tersebutadalah 159 – 329%. Metode pengeringan heat pump siklus terbuka dengan pengoperasian HPKU yang intermittent memberikan specific moisture extraction rate yang hanya memperhitungkan konsumsi energi termal (SMERT) dan SMERTot yang paling tinggi yaitu masing-masing 7.06 dan 5.06 kg/kWh. Pengoperasian intermittent tidak banyak mempengaruhi laju pengeringan, tetapi secara nyata menurunkan konsumsi energi. Penempatan inlet udara lingkungan sebelum evaporator dan sebelum kondensor pada siklus tertutup memberikan SMERTot yang berbeda yaitu 4.01 dan 3.07 kg/kWh. Penggunaan udara lingkungan dengan menggunakan konveksi paksa melalui penukar panas dapat meningkatkan SMERTot, sedangkan penggunaan aliran udara dari keluaran pengering dapat menurunkan nilai SMERTot.
Co-Authors Agus Subeno AKHMAD JUNAIDY Akmal Barry Annisa Annisa Armansyah H. Tambunan Damawidjaya Biksono Edi Marzuki Edi Marzuki Eka Maulana Gregorius Bambang Heru Hendro Tjahjono Ilham Ilham Irvan Wiradinata Januar Akbar Junior Ramadhani Syahri Kamaruddin Abdullah Mokhamad Nur Khasan Muhamad Yulianto Muhammad Hadi Kusuma Mulya Juarsa Nasution, Annio Indah Lestari Nelwan, Leopold Oscar Prawoto Prawoto Rifky Rifky Suhendra Suhendra Supanto . Tineke Mandang