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All Journal Jurnal Teknologi Kedirgantaraan (JTK) JURNAL MITRA MANAJEMEN
Edy K. Alimin
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Aerospace Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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Analisis Pengaruh High Pressure Compressor Rotor Clearance Terhadap Exhaus Gas Temperature Margin pada CFM56-7 Wildan Sofary Darga; Edy K. Alimin; Endah Yuniarti
Jurnal Teknologi Kedirgantaraan Vol 6 No 2 (2021): Jurnal Teknologi Kedirgantaraan
Publisher : FTK UNSURYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (583.907 KB) | DOI: 10.35894/jtk.v6i2.35

Abstract

Abstract - Exhaust Gas Temperatue is an parameter where the hot gases’s temperature leave the gas turbine. Exhaust gas temperature margin is the difference between highest temperature at take off phase with redline on indicator (EGT Margin 0C = EGT Readline – EGT Take). EGTM is one of any factor to determine engine performance. A good perfomance of an engine when it has a big margin (EGTM), during operation of an engine the EGTM could decrease untill 0 (zero). So many factors could affect EGTM deteroration there are: distress hardware such as airfoil erosion, leak of an airseals, and increase of clearance between tip balde and shroud. Increase of clearance happens in high pressure compressor rotor clearance. In CFM56-7 have 9 stage(s) of high pressure compressor and each stage give the EGT Loses. The calculation of EGT Effect/Losses is actual celarance – minimum clearance x 1000 x EGT Effect °C, where actual clearance define by the substraction of outside diameter’s rotor with inside diamete r’s shroud, minimum clearance define in the manual, 1000 is adjustment from mils/microinch to inch, and EGT Effect is temperature that define in the manual. The analysist had done with 6 (six) engine serial number and proceed by corelation that shown linkage between clearance and EGT Effect, the corelation is strong shown the result of corelation (r) is 0.994275999 or nearest 1.
MATEMATIKA SEBAGAI SEBUAH BAHASA Edy K. Alimin
JURNAL MITRA MANAJEMEN Vol 5, No 1 (2013): JURNAL MITRA MANAJEMEN
Publisher : JURNAL MITRA MANAJEMEN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jmm.v5i1.565

Abstract

AbstrakPenulisan artikel ini dimulai dengan maksud untuk membuat salah satu produk peradaban kitayaitu matematika menjadi lebih mudah untuk dipakai dan dimengerti. Apa yang dimaksuddengan lebih mudah untuk dipakai dan dimengerti ? Salah satunya adalah membuat matematikamenjadi sebuah bahasa seperti layaknya bahasa percakapan. Maka mari kita kembalikanmatematika menjadi sebuah bahasa atau media komunikasi untuk pertukaran informasi. Artikelini diharapkan akan membantu memperlancar pendidikan matematika, dan penggunaanmatematika dibidang bidang lainnya.
Co-Authors Endah Yuniarti, Endah Wildan Sofary Darga