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All Journal Jurnal Penelitian dan Pendidikan IPS Jurnal Riset Mahasiswa Akuntansi (JRMA) Jurnal Riset Mahasiswa Manajemen (JRMM) Assets : Jurnal Ekonomi, Manajemen dan Akuntansi R.E.M (Rekyasa Energi Manufaktur) Jurnal International Journal of Integrative Sciences Prosiding Seminar Nasional Teknologi Informasi dan Bisnis Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah SURAKARTA ABDIMAS JOURNAL CITAKARYA Jurnal Pengabdian Masyarakat
Sulistyo
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Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Physics Social Sciences

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Journal : R.E.M (Rekyasa Energi Manufaktur) Jurnal

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Configuration Analysis of Mainsteam Stop Valve-Governor Valve in a Supercritical Steam Turbine Using Computational Fluid Dynamics to Minimize Throttle Losses Fahmi, Jauhar; S. Silviana; Sulistyo
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 10 No 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v10i2.1762

Abstract

Quantification of losses and prediction of the technical feasibility of a proposed modified system through computational fluid dynamics (CFD) numerical analysis constitute the focus of this study. The system involves a configuration of four sets of Main Steam Stop Valves and Regulating Valves (4MSVGV), which are known to operate at low valve openings (<30%) compared to two sets of MSVGV (2MSVGV) to serve normal load demand. Using CFD modeling, the 2MSVGV configuration demonstrates the ability to serve all load ranges with a general requirement of GV lifting below 82mm. To quantify throttle losses, the principles of entropy generation and exergy destruction are employed. The modified configuration of 2MSVGV, which has a wider valve opening, consistently exhibits lower exergy destruction than the 4MSVGV configuration. Furthermore, a review of the 4MSVGV configuration reveals that GV will be the dominant contributor to exergy destruction compared to MSV. At a load of 855MW, the exergy destruction in the 4GV reaches 21MW, while it is 14MW for the modified 2GV system. The total average improvement in exergy destruction rate with the modified 2MSVGV system is about 2.05MW.
Co-Authors Ardian Widiarto Ati Retna Sari Azizah, Nora Wafiq Budi Setyanta, Budi Ch Retno Gayatri Dewi Pujiani Dwi Hartanti Erin Novita Fahmi, Jauhar farida ni'matullah, onik Indrian Supheni Irianto, Mochamad Fariz Irma Irma Tyasari Jebarus, Bertoldus Juni Trisnowati Kustiningsih Laurens Kaluge, Laurens Marliyati Mohamad Hasanudin Muhammad Frasha Candra P Nursida. Zinatal Hayati, Rofika Nofri Yandra. Ratih Ari Indriyani, Agnes Rohwiyati Rohwiyati S. Silviana Summa Gaina, Renius Yusri