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Jurnal Teknotan
Article . 2016 . Peer-reviewed
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SIFAT THERMO-FISIK ARANG SEKAM

Authors: Drupadi Ciptaningtyas; Herry Suhardiyanto;

SIFAT THERMO-FISIK ARANG SEKAM

Abstract

Efisiensi penggunaan water chiller di wilayah tropis, masih sangat rendah sehingga perlu dilakukan upaya peningkatan. Hal tersebut dapat dilakukan dengan cara mengidentifikasi sebaran suhu media tanam didaerah perakaran di waktu-waktu kritis, agar diketahui kapan sebaiknya water chiller digunakan. Sebaran suhu suatu media tanam dapat disimulasikan dengan computational fluid dynamic (CFD) setelah beberapa sifat thermo-physic media tanam tersebut diketahui. Pada penelitian ini, lima sifat thermo-physic media tanam arang sekam diukur, dihitung, dan dianalisis. Kelima sifat tersebut adalah massa jenis, porositas, panas jenis, konduktivitas panas, dan pressure drop . Hasil penelitian menunjukkan nilai-nilai karakteristik thermo-physic arang sekam adalah sebagai berikut; massa jenis 153.24 kg/m3, porositas 46%, konduktivitas panas 0.0719 W/mK, dan panas jenis 7.932 kJ/kg°C, sedangkan nilai pressure drop arang sekam menurun seiring dengan peningkatan debit fluida yang dialirkan. Kata kunci: arang sekam, simulasi fluida, CFD, sifat thermo-physic

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
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