Pemodelan Aliran Gas Buang Turbin Gas dalam Sistem Exhaust Plenum Tipe Fr-9E

Authors

  • Susilo Adi Widyanto Departemen Teknik Mesin, Universitas Diponegoro

DOI:

https://doi.org/10.32497/eksergi.v14i1.1138

Abstract

Pembelokan aliran gas buang turbin gas dengan temperatur 560 Cmerupakan kondisi kritis dalam sistem operasi exhaust plenum. Selain mengalami beban thermal yang cukup tinggi, dinding dalam (liner sheet) exhaust plenum mengalami tekanan akibat kecepatan aliran yang besarnya sekitar 36 m/detik yang sifatnya tidak terdistribusi merata pada seluruh dindingnya. Paper ini membahas tentang simulasi pola aliran, distribusi tekanan dan distribusi temperatur pada struktur liner sheet sistem exhaust plenum. Pada simulasi pertama liner sheet dimodelkan tanpa clamp bar, sedangkan pada pemodelan kedua liner sheet ditempel clamb bar yang berfungsi sebagai pengikat liner sheet terhadap schallop bar dan frame. Hasil simulasi menunjukkan bahwa pemasangan clamp bar yang disesuaikan dengan arah aliran terbukti mampu meningkatkan keteraturan pola aliran terutama pada dinding samping dimana proses pembelokan arah aliran terjadi.

Kata kunci: exhaust plenum, clamp bar, frame, liner sheet, turbin gas

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Published

2018-06-08

Issue

Vol. 14 No. 1 (2018): JANUARI 2018

Section

Articles

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