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Tim Redaksi NOZZLE : Journal Mechanical Engineering Program Studi D3 Teknik Mesin Politeknik Harapan Bersama Jl. Mataram No.9, Pesurungan Lor, Kec. Margadana, Kota Tegal, Jawa Tengah 52147 Email : jurnal.nozzle@poltekharber.ac.id
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Nozzle : Journal Mechanical Engineering
Published by Politeknik Harapan Bersama Tegal
ISSN : 23016957     EISSN : 2776219X     DOI : -
Core Subject : Engineering,
Automotive Engineering Control & Systems Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
Nozzle : Jurnal Teknik Mesin (p-ISSN 2301-6957, e-ISSN 2776-219X) menerbitkan artikel penelitian, artikel konseptual, laporan kajian lapangan, praktik terbaik dan kebijakan teknik mesin di kancah nasional dan internasional (Lihat Fokus dan Ruang Lingkup ). Artikel jurnal ini diterbitkan setiap enam bulan sekali, yaitu pada bulan Januari dan Juli (2 edisi per tahun), dan diterbitkan oleh Politeknik Harapan Bersama Tegal. Editor hanya akan menerima naskah yang memenuhi format yang ditentukan. Nozzle : Journal Mechanical Engineering (p-ISSN 2301-6957, e-ISSN 2776-219X) publishes research articles, conceptual articles, reports field studies, the best practices and policies of mechanical engineering on a national and international stage (See Focus and Scope). The articles of this journal are published every six months, that is in January and July (2 issues per year), and published by the Politeknik Harapan Bersama Tegal. The editors will only accept the manuscripts which meet the assigned format. The journal publishes original papers in the field of Mechine but not limited to, the following scope: Mechine: Electronic Materials, Materials Engineering, Energy Manufacturing, Machinery, Electronic Instrumentation, Automation, Control, Embedded Systems, Mechatronics, Eectric power, Technology, Energy Storage Systems, Transmission, Energy Distribution, New Renewable Energy, and other related topics.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 6 Documents
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Search results for , issue "Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering" : 6 Documents clear
ANALISA DAYA POROS MESIN BERPENGGERAK UDARA BERTEKANAN DENGAN VARIASI BERAT FLYWHEEL Ahmad Farid
Nozzle : Journal Mechanical Engineering Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v11i1.3308

Abstract

One of the technological developments in energy engineering is the processing and utilization of energy, both from renewable and non-renewable energy. The innovation that inspired the experiment in this research was to engineer a pressurized air-driven machine by analyzing the weight gain of the flywheel on the power of a pressurized air-driven engine. The purpose of this study is to determine the size of the flywheel weight that can produce the highest pressurized air-driven engine power and also to know the value of the engine shaft rotation for each flywheel weight size. The benefits of this research are expected to contribute ideas to research on the development of compressed air driven machines to make them even more perfect. The method of testing and research carried out is an experimental method, namely by testing variations in flywheel weight from 2.5 kg, 3.5 kg, 4.5 kg, 5.5 kg and 6.5 kg and at air pressure in the tube 100Psi, 60Psi and 25Psi with a load on the engine shaft of 5 kg. The results of testing the flywheel load setting 2.5kg-6.5kg air-driven engine experienced a decrease in the engine shaft rotation from 1185rpm - 322.67rpm so that the engine shaft power also decreased from 7.17 HP at a flywheel weight of 2.5kg; 100Psi to 1.95 HP on a 6.5kg flywheel; 25Psi. This shows that the engine's ability to increase power is by minimizing the flywheel load at 25Psi and also required air pressure of 100Psi on the compressor tube to be able to drive the engine optimally.
PENERAPAN TOTAL PRODUCTIVE MAINTENANCE (TPM) PEMBANGKIT LISTRIK WASTE HEAT RECOVERY POWER GENERATION (WHRPG) Farid - Mujayyin
Nozzle : Journal Mechanical Engineering Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v11i1.3047

Abstract

Waste Heat Recovery Power Generation (WHRPG) technology is a produces electrical energy technology that from the flue gas from the operation of a cement factory that releases CO2 and converts it into electrical energy in the cement industry. Utilization of the generated electricity can be used as a supply of factory electricity needs such as lighting, equipment and various other facilities. Since 2014-2017 until now, the operation of the WHRPG in the Tuban plant after several times setting hot gas on the conversion system is only able to produce an electricity capacity of 28.6 MW which is still far from the planned capacity target, this requires the right operating strategy to reach a capacity of 30.6 MW of electrical energy. Efforts to increase the production capacity of electricity generation from the utilization of hot flue gas in terms of engine performance readiness aspects of steam power plant technology need to be carried out operational and maintenance planning using application method the inspection, small repair medium repair and overhaul (ISMO). Through total productive maintenance (TPM) technical improvements to WHRPG power plant equipment such as damage to pumps and hot gas settings in boilers and other components, repairs are made to get better performance so that the energy produced can reach 95% at the performance ratio value of capacity predetermined start. It is known and can be improved on the OEE (Overall Effectiveness Equipment) value by implementing total productive maintenance on all power generation equipment so that the combination and maintenance together can increase the production of 30.6 MW of electrical energy can be realized.
RANCANG BANGUN MESIN CETAK PELET IKAN 3 IN 1 Syarifudin Syarif
Nozzle : Journal Mechanical Engineering Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v11i1.3330

Abstract

Kebutuhan pakan ikan yang tinggi, meningkatkan ketergantungan bahan baku impor. Hal ini memperbesar biaya operasional petani sehingga mengurangi laba pasca panen. Produksi pakan mandiri dengan mesin cetak konvensional tidak signifikan menekan tingginya biaya operasional. Peneltian ini bertujuan melakukan rancang bangun mesin pelet ikan efisien dan efektif yaitu semua proses dapat dilakukan oleh satu mesin. Metode yang digunakan adalah eksperimental. Proses penggilingan daging, pengadukan adonan dan pencetak pelet dilakukan di satu mesin. Hasil penelitian mempresentasikan mesin pelet 3 in 1 dirancang dan dibuat dengan dimensi panjang 800mm, lebar 590mm, dan tinggi 800mm. Posisi pencetak pelet berada paling bawah, posisi pengaduk di tengah, dan posisi penggiling daging berada paling atas. Sedangkan kapasitas mesin mencapai 105,7 gram/menit.
ANALISIS KEKUATAN TARIK KOMPOSIT HYBRID BERPENGUAT SERAT BATANG PISANG KEPOK DAN SERAT PINANG Fajar Paundra
Nozzle : Journal Mechanical Engineering Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v11i1.3122

Abstract

Composite is a material consisting of two or more types of constituent materials with different characteristics and properties from each other, both physical and chemical properties. This study aims to determine the effect of the volume fraction of kepok banana stem fiber (Musa Paradisiaca) and areca fiber (Areca catechu L) on the tensile strength of hybrid composites. The results of the highest density test were found in the volume fraction of 15% banana kepok fiber: 15% areca nut fiber, which was 1.17 g/cm3, and the lowest was in the 20% volume fraction of kepok banana fiber: 10% areca nut fiber of 1.10 g/cm3. The results of the tensile test of the composite obtained the highest tensile strength at 15% volume fraction of banana kepok fiber: 15% areca nut fiber at 16.33 MPa, and the lowest at 0% volume fraction of kepok banana fiber: 30% betel nut fiber at 5.81 MPa.
PENGARUH VARIASI KUAT ARUS TERHADAP KEKUATAN TARIK SAMBUNGAN LAS TIG SEMI OTOMATIS Fajar Paundra
Nozzle : Journal Mechanical Engineering Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v11i1.3280

Abstract

Tungsten Inert Gas is a type of welding that uses noble gases as a shield from the influence of outside air. The purpose of this study was to determine the effect of variations in current strength on the tensile strength of semi-automatic TIG welded joints. The welding process is carried out with current variations of 70A, 80A, 90A and 10A, while the welding speed is 10 m/s. Tensile testing was carried out using the JIS Z 2201 standard. The test results showed that the highest tensile strength was found in the 100A variation of 370MPa. This happens because the results of the welding process with 100A occur slightly welding defects so that it has a high tensile strength.
KAJIAN POTENSI DAN PENGEMBANGAN TURBIN ANGIN DAERAH URBAN Akhmad Nurdin
Nozzle : Journal Mechanical Engineering Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v11i1.3286

Abstract

In urban areas, wind turbines can be integrated into buildings or called building integrated wind turbines. On the other hand, wind patterns in urban areas are turbulent and have more complex problems. The wind characteristics of a region are different, this is influenced by ground surface conditions. Conditions of high roughness length values, such as urban areas, create a large turbulent zone, besides that at the same time the wind pound buildings and other objects, causing a wind vortex profile. This study discusses the characteristics of the wind and the feasibility of the potential application of wind turbines in urban or urban areas. The purpose of this study was to discuss the phenomenon and potential of wind in urban areas and to review several studies on the application of wind turbines in urban areas.

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