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JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Published by Universitas Nusa Putra
ISSN : 27148084     EISSN : 27148092     DOI : 10.52005
Core Subject : Science, Engineering,
Automotive Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Perancangan, Manufaktur dan Energi ini diterbitkan oleh Program Studi Teknik Mesin Universitas Nusa Putra, sebagai jurnal yang terbit setiap empat bulanan yang fokus menyajikan tulisan-tulisan tentang keilmuan Teknik Mesin khusunya bidang Perancangan, Manufaktur dan Energi. Jurnal ini berisi artikel-artikel penelitian atau pengembangan konsep yang berkaitan dengan kajian perancangan, manufaktur dan energi seperti : Desain Mekanikal, Manufaktur dan Otomatisasi, Material dan Konversi Energi.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 96 Documents
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Analisis Perbandingan Material 7075 O (SS) dan Al-SiC Untuk Komponen Roda Gigi Lurus Menggunakan Metoda Finite Elemen Analysis Muhammad Rival Tanziri; Dani Mardiyana
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 1 (2023): JURNAL PERMADI : PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i1.107

Abstract

Gears are one of the most widely used types of transmission because they have the ability to transmit large power from one part of the machine to another. The analysis was carried out using solidworks software with a load of 150 N and the material used was 7075 O (SS) or ANSI38 and Al-SiC. Analysis of selecting simulations using software based on the finite element method (finite element analysis program), Finite element analysis is a mathematical numerical technique to calculate the strength and structural behavior of engineering components by dividing objects into mesh shapes, Simulation analysis is carried out using static features by SolidWorks Premium 2022 software. Simulation with this software is useful for carrying out analyzes to prove the validity of a design. The results of the stress analysis for the 7075 O (SS) and Al-SiC materials are 3 N/mm2, the stress for the two materials is still below the yield strength value. Strain or strain of 0.00004 N/mm2 and 0.00002 N/mm2. and displacement or displacement of 0.00133 mm and 0.000626. The weight of the two materials shows that 7075 O (SS) material is lighter with a difference of 0.31046 N. Strain / strain and displacement of Al-SiC material is better than 7075 O (SS) material with a difference of 0.00002 N/mm2 and 0.000704mm.
Pengaruh Penambahan Natural Rubber Pada Ban Dalam Dengan Metode Presure Akhmad Herdianto; Zaid Sulaiman; Dodi Iwan Sumarno
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 1 (2023): JURNAL PERMADI : PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i1.108

Abstract

The inner tube determines the effectiveness and efficiency of a commercial transportation vehicle, where the inner tube is expected to have high durability against friction with the outer tire and to have high tensile stress when holding a heavy load. To answer this condition, the process of adding natural rubber material to the inner tube was carried out using the pressure method with 2 variables, namely one layer of inner tube and one layer of natural rubber which was affixed to the outer side of the inner tube, as well as one inner tube with two layers of natural rubber located on the side outside and inside on the inner tube. Then the testing process is carried out, namely tensile brake and hardness to obtain data to determine the effect of adding natural rubber to the inner tube using the pressure method as one of the references for producing better inner tubes. After the research process was carried out, the results of the tensile brake test were 20.4 Kgf on the first specimen, 23.8 Kgf on the second specimen, 31.05 on the third specimen. Furthermore, from the hardness test, a result was obtained, namely 52° on the first specimen, 48° on the second specimen, 44° on the third specimen.
Pengaruh Parameter Pemotongan Pembubutan Konvensional Terhadap Kekasaran Permukaan Baja ST41 Ahmad Rifai; Syaripuddin; Anggrainy, Rani; Agung Premono; Ferry Budhi Susetyo
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 2 (2023): JURNAL PERMADI : PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i2.109

Abstract

The turning process is essential in the manufacturing industry to produce a product. The quality of a product is greatly influenced by the turning process, which produces varying roughness characteristics of the product's surface. The selection of suitable cutting parameters greatly influences the surface roughness of the product from the turning process. Therefore, a study was carried out on the cutting parameter's effect on the workpiece's surface roughness. In this research, the material used was ST 41 steel with a diameter of 25.4 mm. The turning process uses a conventional lathe. Variation in this study is the cutting speed and feeding depth. The results showed that the higher the cutting speed, the smaller the surface roughness value. On the contrary, the greater the feeding depth, the greater the surface roughness value.
Analisis Audit Energi di Gedung Teknik Elektro Universitas Diponegoro Diah Larasati, Pangestuningtyas; Fitrianti Sugiono, Friska Ayu; Arvin Karuniawan, Eriko; Karnoto
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 03 (2023): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i03.110

Abstract

An energy audit is a work that aims to identify energy consumption in buildings that have been built so that they can find opportunities for energy savings in these buildings and buildings and improve energy efficiency and conservation in these buildings. The Electrical Engineering Building is one of the buildings at Diponegoro University that has been built for a long time, and to find out the savings opportunities in the building, an energy audit is needed. The energy audit was carried out during the pandemic era where lectures were still being held online and hybrid. Based on the results of the energy audit that has been carried out, it was found that the Energy Consumption Intensity (IKE) in the Electrical Engineering Building in 2021 was 8.59 while in 2022 it was 12.61. This is still in the efficient category according to Regulation of the Minister of energy and mineral resources No. 13/2012. Opportunities for savings can be implemented starting from no cost, low cost, to high cost to increase the efficiency of energy use in the Diponegoro University Electrical Engineering Building, so that energy use can be very efficient.
STUDI EKSPERIMENTAL NATURAL REFIGERANT DENGAN VARIASI DIAMETER TiT-HEAT EXCHANGER TERHADAP REFRIGERATOR PERFORMANCE Ariyano; Apri Wiyono; Rifqi Rahmadiansyah; Rani Anggrainy; Dibyo Setiawan; Zeqy Zulhaqy
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 03 (2023): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i03.113

Abstract

ABSTRACT Almost all households in Indonesia use a refrigerator as a place to store food that is more durable. But behind these needs, refrigerators are identified as one of the household appliances that use high electrical energy. Therefore, this study aims to examine the use of Tube in Tube Heat Exchanger (TiTHX) with refrigerant R290 in the refrigerator system to reduce household electricity consumption. This research was conducted experimentally by varying the 3 diameter ratios on TiTHX. The results showed that the use of TiTHX with the most optimum value was obtained at the variation diameter ¼ : ½ increasing refrigerator performance by 3.7%. and also reduce the consumption of electricity costs up to Rp. 17,544.44 per month. This is because the difference between the evaporation pressure and condensation pressure is smaller in systems using TiTHX which then results in lower compression work.
Studi Pengaruh Debit dan Jenis Runner Terhadap Efisiensi Turbin Vorteks PLTPH Haryadi; Ali Mahmudi; Sugianto; Dibyo Setiawan
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 2 (2023): JURNAL PERMADI : PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i2.121

Abstract

Increased interest in the use of vortex turbines as a renewable energy source. more advantages compared to axial turbines in general. The aim of this applied research is expected to be able to increase the power and efficiency of vortex turbines, achieving the target efficiency output of >30% from the previous research output of 37% on the performance of single and two-stage turbines with an angle of 630. The research method is experimental based, the study being carried out at this time with variations in discharge and runner type 630 one stage and Savonius with exhaust channels cut off by 2cm, this was done to determine the response to increasing the efficiency of the vortex turbine. Experimental operational approach with SNI 8277:2016, discharge variation 11-13 l/s. The results of the experimental recording of the application of the runner 630 on one level, obtained that the highest efficiency was a flow rate of 11 l/s with an efficiency of 29%. The treatment of cutting the drain channel had an impact on reducing efficiency.
Simulasi Perbaikan Desain Proses Pembentukan Tempa Dingin (Cold Forming) Mur M14 Sumarno, Dodi Iwan; Zaid Sulaiman; Maman Suryaman
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 2 (2023): JURNAL PERMADI : PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i2.122

Abstract

Nut and bolt components (fasteners) can be produced through various techniques, including through the forging process. However, in a cold forging process (cold forming) the production of nuts cannot be separated from failures, in the form of defects in cracks on the surface. This failure has an impact on productivity, besides that it can hamper other processes. In this study, the crack defects of SWCH45K carbon steel M14 nuts could be identified visually during inspection. In order to find out the cause of the failure, an analysis was carried out by simulating the cold forming process for the M14 nut according to the existing process variable data using the DEFORM 2D/3D V10.2 program. The simulation results show that the formation at stations 3 and 4 does not fully fill the mold (dies) and high damage to the bearing surface (flange) area, crack defects are caused by high concentrations of stress in the process of forming station 3 because the punch corner does not have a radius (rounding). With the design punch parameters proposed for process improvement, the simulation results for the formation of M14 station 3 and 4 nuts are fully filled, the potential for crack defects decreases.
Analisis dan Modifikasi Desain Grate Cooler Pabrik Semen Akhyarsi, Odi
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 4 No 3 (2022): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v4i3.123

Abstract

This study analyzes the case of wall layer damage in the bullnose area of a cement plant's grate cooler, proposes alternative design modifications, and evaluates the design alternatives. The case analysis and design evaluations were conducted using Computational Fluid Dynamics (CFD) approach. The results for the actual grate cooler indicate that the air flow temperature around the bullnose surface is very high, approximately 1500K, and the bullnose surface is exposed to air flow with a velocity of 4-5 m/s. The combination of high flow temperature and velocity is suspected to be the cause of erosion on the grate cooler wall surface. Two design alternatives were proposed and considered: Design A, where the right-angle forming the bullnose is eliminated, and Design B, where the bullnose position is shifted back by 13 meters and tertiary air channel are integrated with the kiln hood. Design A was found to reduce the air flow temperature around the bullnose surface by 100K. The best results were obtained with Design B, where the air flow temperature around the bullnose surface could be significantly reduced by approximately 400K, to 1000K. In both designs, the air velocity near the bullnose could be lowered to 2-4 m/s. This study recommends Design B as a solution to prevent recurring damage to the wall layer in the bullnose area of the grate cooler.
Studi Perencanaan Ulang Perpipaan Sistem Filtrasi Air Skala Rumah Tangga Dibyo Setiawan; Jakariya; Rani Anggrainy; Linda Wijayanti; Melisa Mulyadi
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 03 (2023): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i03.120

Abstract

Clean water is a primary necessity for human survival, but due to limited access to clean water sources, wells are often used to meet this need. However, water from wells cannot be used directly because its quality varies depending on the soil conditions. Due to these differences, a filtration system needs to be installed in the treatment of raw water from the well. In the process, well water, after being processed through the filtration system, experiences a decrease in flow rate before being stored in water tanks. This creates a problem, namely excessive electricity consumption and insufficient water flow for household use. In this research, the researcher attempts to implement the SNI (Indonesian National Standard) standards in household-scale clean water treatment, whereas previous research focused more on water quality testing. The objectives of this research are to reduce electricity consumption and increase water flow to meet household needs. Regarding the research method, the researcher conducted a literature review, data collection, pre-improvement testing, redesigned pipeline planning, performance testing of the improvement results, and analysis of the outcomes. The results of this research show that for the 1-liter container testing, the required time has increased, with the fastest time being 6.4 seconds and the slowest being 6.7 seconds, compared to the initial testing, which had a range of 13.2 seconds to 13.6 seconds. As for electricity consumption, there has been a significant decrease, from 2.76 A in the initial testing to 1.76 A, resulting in an average power consumption of 200.3 watt, compared to the previous 603.7 watt.
Sintesis kapsul mikro poli (urea-formaldehid) berisi minyak biji rami sebagai self-healing coating dengan variasi kecepatan agitasi Prasetya, Bayu
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 5 No 03 (2023): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v5i03.124

Abstract

Teknologi kapsul mikro untuk aplikasi smart material telah dikembangkan beberapa tahun terakhir. Salah satu material cerdas yang umum dikembangkan adalah lapisan self-healing. Kapsul mikro yang mengandung zat penyembuhan didispersikan ke dalam matriks polimer untuk membentuk komposit self-healing. Selain itu, kapsul mikro dapat dimasukkan ke dalam cat untuk aplikasi pelapisan. Ide utama pelapisan self-healing adalah merancang sistem self-healing yang cerdas dengan kemampuan perbaikan diri yang melekat. Banyak penelitian yang telah dilakukan mengusulkan beberapa mekanisme stimulus penyembuhan. Umumnya cangkang kapsul tersusun dari polimer organik, seperti urea-formaldehida, poliuretan, dan melamin formaldehida. Pada penelitian ini, kapsul mikro poli (urea-formaldehida) (PUF) yang mengandung minyak biji rami disintesis dengan metode polimerisasi in-situ. Kapsul mikro yang diperoleh dianalisis berdasarkan parameter kecepatan agitasi (400, 500, 600, 700, dan 800) rpm. Hasil penelitian menunjukkan bahwa kecepatan agitasi berbanding terbaling dengan diameter kapsul mikro.

Page 6 of 10 | Total Record : 96

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