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Performance of a Forced-Convection Greenhouse Dryer for Fish Drying
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ABSTRACT. This research present experimental performance of a forced convection greenhouse dryer for drying of fish. The greenhouse dryer was installed at Aceh province, Indonesia. It has a concrete floor with the area of 6×4 m2. The roof of dryer is built in semi-cylindrical shape and covered with transparent polycarbonate sheets. Two axial flow fans powered by a 50-watt solar cell module was used to generate forced convection for ventilating the dryer.To investigate its performance, the dryer was used to dry two batches of fish. The Results showed that to dry 50 kg fish with initial moisture 68 % required 11 hours. Incontrast, to dry the same amount of fish using sun drying take a time about 2 days. The air temperature inside greenhouse dryer at noon in the clear day was 45-55°C.Kinerja Pengering Rumah Kaca Dengan Metode Konveksi Paksa Untuk Pengeringan IkanABSTRAK. Penelitian ini memperlihatkan hasil percobaan terhadap kinerja pengering rumah kaca dengan metode konveksi udara secara paksa pada pengeringan ikan. Penelitian pengering rumah kaca ini dilakukan di Propinsi Aceh, Indonesia. Pengering ini berlantaikan beton dengan luas sebesar 6x4 m2. .Atapnya dibuat berbentuk semi-selinder dan ditutup dengan lembaran plastik transparan berbahan polikarbonat. Dua buah kipas dengan aliran udara secara aksial dipasang dengan sumber daya berasal dari panel surya sebesar 50 Watt dan dipakai untuk menghasilkan konveksi udara paksa pada ventilasi pengering. Untuk menginvestigasi kinerja rumah kaca ini, pengering ini digunakan untuk mengeringkan dua tumpukan ikan. Hasilnya menunjukkan bahwa untuk mengeringkan sebanyak 50 kg ikan dengan kadar air awalnya sebesar 68% membutuhkan waktu selama 11 jam. Sebaliknya, dengan menggunakan sinar matahari secara langsung, untuk mengeringkan ikan dengan jumlah yang sama, maka waktu yang dibutuhkan lebih lama yaitu sekitar 2 hari. Suhu udara di dalam rumah pengering tepat pada siang hari yang cerah berkisar antara 45-55oC.
Title: Performance of a Forced-Convection Greenhouse Dryer for Fish Drying
Description:
ABSTRACT.
This research present experimental performance of a forced convection greenhouse dryer for drying of fish.
The greenhouse dryer was installed at Aceh province, Indonesia.
It has a concrete floor with the area of 6×4 m2.
The roof of dryer is built in semi-cylindrical shape and covered with transparent polycarbonate sheets.
Two axial flow fans powered by a 50-watt solar cell module was used to generate forced convection for ventilating the dryer.
To investigate its performance, the dryer was used to dry two batches of fish.
The Results showed that to dry 50 kg fish with initial moisture 68 % required 11 hours.
Incontrast, to dry the same amount of fish using sun drying take a time about 2 days.
The air temperature inside greenhouse dryer at noon in the clear day was 45-55°C.
Kinerja Pengering Rumah Kaca Dengan Metode Konveksi Paksa Untuk Pengeringan IkanABSTRAK.
Penelitian ini memperlihatkan hasil percobaan terhadap kinerja pengering rumah kaca dengan metode konveksi udara secara paksa pada pengeringan ikan.
Penelitian pengering rumah kaca ini dilakukan di Propinsi Aceh, Indonesia.
Pengering ini berlantaikan beton dengan luas sebesar 6x4 m2.
.
Atapnya dibuat berbentuk semi-selinder dan ditutup dengan lembaran plastik transparan berbahan polikarbonat.
Dua buah kipas dengan aliran udara secara aksial dipasang dengan sumber daya berasal dari panel surya sebesar 50 Watt dan dipakai untuk menghasilkan konveksi udara paksa pada ventilasi pengering.
Untuk menginvestigasi kinerja rumah kaca ini, pengering ini digunakan untuk mengeringkan dua tumpukan ikan.
Hasilnya menunjukkan bahwa untuk mengeringkan sebanyak 50 kg ikan dengan kadar air awalnya sebesar 68% membutuhkan waktu selama 11 jam.
Sebaliknya, dengan menggunakan sinar matahari secara langsung, untuk mengeringkan ikan dengan jumlah yang sama, maka waktu yang dibutuhkan lebih lama yaitu sekitar 2 hari.
Suhu udara di dalam rumah pengering tepat pada siang hari yang cerah berkisar antara 45-55oC.
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