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Jurnal Engine: Energi, Manufaktur, dan Material
Published by Universitas Proklamasi 45 Yogyakarta
ISSN : 25797433     EISSN : 25797433     DOI : http://dx.doi.org/10.30588/jeemm
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Engine: Energi, Manufaktur, dan Material is registered with ISSN 2579-7433 (online) on The Indonesian Institute of Sciences (LIPI). This journal is under publishment of the Mechanical Engineering Department, Universitas Proklamasi 45 Yogyakarta. It is a scientific journal focusing on Energy, Manufacturing, Material, Mechanical, and Software Simulation. It provides a publishing platform for scientists and academicians to share, publish, and discuss all aspects of the latest outstanding development in the field of Mechanical Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 9 Documents
 1 
Search results for , issue "Vol 6, No 2 (2022)" : 9 Documents clear
Face Mask Detector and Temperature Skrining Using IoT Sari Muthia Silalahi; Paul Nainggolan; Christine Hutahaean; Grace Siburian
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1118

Abstract

The coronavirus outbreak hit the world in early 2020, including Indonesia. Health protocols such as wearing masks, maintaining distance, checking body temperature, and washing hands are carried out to prevent the spread of the coronavirus. Therefore, this research aims to build an Internet of Things (IoT) based system to detect the use of masks and body temperature measurements as well as the use of doorstops as a condition of whether users can enter the environment or not. Observations, questionnaires, and interviews were also conducted to collect data to see the use of existing health protocols and respondents' opinions on the application of IoT in the health sector, especially the application of health protocols. The observation results showed that there were still many people who did not use masks and did not check their body temperature if they wanted to enter a place. The results of questionnaires and interviews were obtained with 93% saying yes that the built product was feasible and would help the spread of the coronavirus. The implementation of Arduino system design, ultrasonic sensors, python programming, and OpenCV resulted in a hardware design that is able to detect masks and body temperature without direct interaction between security officers and guests/students. The result is that if you don't use a mask, the alarm sounds, but if you wear a mask, the alarm doesn't sound. If the temperature is detected above 37.50 C, the servo will be closed which means that the user cannot enter the location, while if the temperature is detected below 37.50 C, the servo will open.
Uji Performansi pada Mesin Pengurai Sabut Kelapa dengan Modifikasi Pisau Pengurai Suhendra Suhendra; Winda Apriani; Irma Fahrizal
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1239

Abstract

Coconut coir can be processed into cocopeat and coco fiber. In the chopping process, the chopping mechanism has a critical role that will determine the results of the chopping off of coconut coir. Based on these conditions, in this study, the development of a chopping mechanism was carried out by modifying the chopper blade to improve the chopper of coconut coir. The purpose of this study was to modify the coconut coir chopper blade, perform performance tests and calculate the increased performance after modification. Modification of the chopper mechanism on the coconut coir chopper machine is done by replacing the type of chopper blade with an iron rod with a diameter of 4 mm which is sharpened at the end. The test data includes data on the capacity of coconut coir chopping, the percentage of cocopeat, the percentage of coco fiber, the percentage of unprocessed coconut coir, the percentage of material loss, and the increase in performance after modification. The modified coconut coir chopper mechanism has specifications of 240 mm long, 100 mm diameter, 39 blades, and ± 14 mm high. The test was carried out at a rotary speed of the chopper mechanism of 720 rpm. Based on the test result, the capacity of chopping coconut coir using a modified coconut coir chopper machine is 7,93 kg/hour, producing 45,57% cocopeat, 36,15% coco fiber, 13,15% coconut coir unprocessed and the loss reached 5,13%. Modifications on the chopper blade are proven to increase the performance of the coconut coir chopper machine by 297%.
Kualitas papan partikel dari limbah serat kelapa muda dan styrofoam untuk kebutuhan dunia industri Markus Nanda Andika; Enda Apriani; Syaiful Mansyur; Sumpena Sumpena
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1165

Abstract

Waste of young coconut fiber can potentially be used as reinforcement for new particleboard material. This potential agricultural waste is quite large in Indonesia. Styrofoam waste is also a problem to date. This is because the use of styrofoam as a food wrapper is still quite high in Indonesia. Besides being environmentally friendly, this particleboard also has economic value in the industrial world. Young coconut waste is crushed with a coconut fiber decomposing machine. Styrofoam as an adhesive is dissolved with gasoline. Each proportion of raw material for young coconut fiber: styrofoam, which is 25: 75 (%), 50: 50 (%), and 75: 25 (%).The test results of the mechanical properties of the particleboard with Composition III showed better results than the particleboard with Composition I and Composition II, which obtained an average MoE value of 832.69 kgf / cm2, an average MoR value of 12.10 kgf / cm2, and the average IB value of 2.01 kgf / cm2.
Pembuatan Alat Pengering Cocopeat dengan Sistem Hybrid Berbasis Panel Surya Pande Putu Agus Santoso; Iklas Sanubary; Diah Mahmuda
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1235

Abstract

The purpose of this study was to describe the process and results of making cocopeat dryers with a hybrid system based on solar panels. This research was conducted with a tool development method consisting of five steps, namely literature study, design, tool and material preparation, manufacturing, and functional tests. The study results were (1) the process of making cocopeat dryers with a hybrid system based on the solar panel was the calculation of solar panel components, frame making, coating of frames with the casing, assembling of electronic components, and functional tests. (2) The cocopeat dryer with a hybrid system based on solar panels that have been made has dimensions of 120 cm in length, 60 cm in width, and 130 cm in height—equipped with a 100 Wp solar panel, a 12 V 65Ah dry battery, a 600 W inverter, three 15W halogen lamps, and a 22W fan. (3) The functional test results show that the average temperature inside the dryer is 52.84oC, 8.56oC higher than the temperature outside the tool. The average humidity inside the dryer is 23.4%, 17.2% lower than the humidity outside the appliance.     
Analisis Sifat Mekanik dan Sifat Termal Komposit Poliuretan Berpenguat Serat Nanas Dan Cangkang Kemiri Silvia Silvia; Rochmi Widjajanti; Ida Nur Apriani
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1038

Abstract

The development of materials that have good durability continues to grow rapidly. One way to increase the durability of a material is the manufacture of composite materials. Composite is a material consisting of a matrix and a reinforcing material. The purpose of this study is first to determine the best composition for fillers and matrix in the manufacture of polyurethane composites reinforced with pineapple fiber and candlenut shells, second to determine the mechanical properties of the composite material, and third to determine the thermal stability of the composite material. To find out the best composition results, tensile strength tests were carried out using the Universal Testing Machine (UTM) and thermal properties were tested using Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA). In this study, variations in the composition of composite materials from polyurethane, pineapple fiber, candlenut shell powder and aluminum powder will be carried out with the percentages of filler and matrix of 50:50, 60:40 and 70:30 (%). Based on the results of the study, the composite with a variation of 50:50(%) has the best mechanical properties with a tensile strength 10,592 MPa, strain value (elongation at break) 0.7072% and modulus of elasticity (E) 5526,054 MPa. Stability termal of composite was found that the composition with the ratio of filler and matrix 60:40 (%) is the best composition based on the thermal properties. It has a melting temperature 287.4℃ and begins to decompose at temperature 292.65℃.
Analisis Kekuatan Rangka Mesin Perontok Padi Menggunakan Solidworks 2019 Ismail Furqani; Rudi Kurniawan Arief; Muchlisinalahuddin Muchlisinalahuddin
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1201

Abstract

Indonesia is one of the largest rice producers in the world. technological developments created a rice threshing machine to facilitate the work of farmers. In the manufacture of the engine frame, of course, must be calculated accurately. Here the SolidWorks 2019 application is used to make it easier to analyze the strength of the rice threshing machine frame. In the simulation of the strength of the frame using SolidWorks 2019, the type of material used is ASTM A36 Steel, and loading is carried out on the frame with a load of 1 of 50 kg and a load of 2 of 30 kg. The simulation results get the largest von misses stress value at load 2 of 79,183,792,000 N /m2 with a displacement of 0.657 mm. The safety factor values obtained from the simulation results are 3 and 2,635. Based on Dobrovolsky in the book "machine element" the safety factor range for dynamic loads is 2.0 - 3.0, then the strength of the frame of the rice thresher machine is able to support the performance of the machine during use.
Peningkatan Kinerja Rotor Savonius Dengan Mengembangkan Sudu Baru Berbasis Airfoil Rendi Rendi; Budi Hartadi; Muhammad Firman; Muhammad Irfansyah
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1078

Abstract

The development of new and renewable energy is currently a top priority for the international community, as energy needs continue to increase while fossil fuels are running low. The Savonius rotor turbine is one of the most widely used turbines but has low efficiency. This study aims to improve the performance of the Savonius turbine by developing a new blade based on airfoil which is simulated in CFD. There are 2 blade models to be simulated, namely the RD-1 model and the RD-2 model, then the simulation results are compared with the conventional blade. The results of the study can be said that the new airfoil-based blade can improve the performance of the Savonius turbine, the increase occurs in the TSR value which is better than the conventional blade. The highest Cp is 0.148 on the RD-2 model blade with a maximum TSR of 0.8
Perubahan karakteristik cetakan green sand dan cacat inklusi pasir akibat perubahan kadar bentonit Sutiyoko Sutiyoko; Fatwa Madani
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1276

Abstract

Bentonit merupakan salah satu bahan utama dalam cetakan green sand dan berpengaruh pada karakteristik cetakan serta hasil benda cor. Kadar bentonit mempengaruhi permeabilitas, kompaktibilitas, kekuatan geser, dan kekuatan tekan cetakan green sand. Tujuan penelitian ini adalah untuk mengetahui perubahan karakteristik cetakan greensand akibat perubahan kadar bentonit serta pengaruhnya terhadap cacat inklusi pasir. Variasi kadar bentonit sebesar 3,5 % dan 4,3 % dari berat total bahan cetakan. Pengujian cetakan mencakup uji mampu bentuk, kekuatan tekan, dan kadar air. Uji coba pada benda cor disc brake mobil untuk menganalisa pengaruhnya terhadap cacat cor yang terjadi. Hasil pengujian karakteristik cetakan green sand menunjukkan bahwa kadar bentonit 3,5 % memiliki mampu tekan cetakan 13,7±0,4 N/cm2 (standar : 14 – 18 N/cm2) dan mampu bentuk cetakan 34±5,1 % (standar: 33 – 58 %). Kedua karakteristik ini masih berada di bawah standar cetakan green sand. Kadar bentonit 4,3 % memiliki karakteristik cetakan yang sesuai dengan standar cetakan green sand untuk semua karakteristik cetakan yang diuji. Hasil pengecoran besi cor nodular menunjukkan terjadinya cacat inklusi pasir pada benda cor. Kekurangan kadar bentonit menurunkan mampu bentuk cetakan sehingga cetakan mudah rontok ketika cairan logam masuk. Rontoknya cetakan ini dapat membawa pasir sehingga terjadi inklusi pasir pada benda cor. Demikian halnya dengan mampu tekan cetakan yang di bawah standar. Kekuatan tekan rendah memungkinkan cetakan erosi ketika terkena tekanan cairan logam.
Perancangan Desain Kemasan Gudeg Jogja dengan Menggunakan Metode Quality Function Deployment (QFD) Dyah Ari Susanti; Syamsul Ma'arif; Emmy Nurhayati; Dinda Zulmarihana; Atala Rohman Dharu
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1359

Abstract

This research was conducted to design packaging for typical Yogyakarta food products, Gudeg Jogja. Gudeg is known as a special food from the Special Region of Yogyakarta which is made from jackfruit cooked in coconut milk. As a typical food, Gudeg is often used as gift. Along with the need for Gudeg for souvenirs, various kinds of Gudeg packaging appeared on the market. The Quality Function Deployment (QFD) method is used to bring together what consumers want and then what producers can do to fulfill consumer desires. This method is used to design Gudeg packaging according to the needs of consumers. This product design development research uses a questionnaire as a data collection tool. The data is obtained from consumers and then processed. After knowing the results of data processing from the data that has been collected then a House of Quality is created. The result of this research is the design of Gudeg Jogja packaging that suits consumer needs.

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