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All Journal Applied Research and Smart Technology (ARSTech) Eksergi: Jurnal Teknik Energi
Salim, Amat Agus
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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The effects of diffuser profile on the performance of the liquid-gas ejector Salim, Amat Agus; Sugati, Daru
Applied Research and Smart Technology (ARSTech) Vol. 4 No. 2 (2023): Applied Research and Smart Technology
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/arstech.v4i2.1456

Abstract

Kinetic energy originating from liquid jets at high speed can be used as an energy source for liquid-gas ejector devices. An ejector is a tool often used to support one of the processes in the industry, such as vacuum process, desalination, distillation, and refrigeration. The ejector consists of several main components: the nozzle, suction chamber, mixing chamber or throat, and diffuser. These components influence each other, so that system performance is sensitive to the performance of these components. The diffuser functions as a dynamic head converter into a static head. Its performance is affected by its dimensions, so it needs to be investigated. This study aims to determine the effect profile of a diffuser with a divergence angle of 2β 7° and a diffuser with a tiered divergence angle of 2β. This study uses an experimental method with a motive flow pressure for the primary fluid of 201.32 kPa. This study found that changes in length and the angle of divergence of the diffuser affect the value of the pressure recovery coefficient and efficiency.
Development of a Biomass Anila Furnace with a casing for preheating Yusril, Yusril; Sugati, Daru; Salim, Amat Agus
Eksergi Vol. 20 No. 01 (2024): JANUARY 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v20i01.5213

Abstract

This study aims to find out the effect of using a shroud mounted on an anila biomass gasification furnace. The casing functions as a guide and heats the air that will enter the combustion chamber. The method used in this study is an experimental method. The type of furnace used in the experiment is a biomass anila furnace. This furnace is made of metal. The casing is attached to the outside and envelops the furnace. Measurements made between long flame, starting time, and flame stability. The test results show that the average startup time is 10 minutes. long flame flame with cover is 87.79 minutes, while without cover is 72.28 minutes. The stability of the flame using the casing is more stable than without the casing.
Co-Authors Daru Sugati Yusril Yusril