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All Journal Cakrawala Pendidikan KESMAS Jurnal Ilmu Lingkungan Teknotan: Jurnal Industri Teknologi Pertanian Sainstek Jurnal Sains dan Teknologi Nuklir Indonesia (Indonesian Journal of Nuclear Science and Technology) Dentika Dental Journal Gaung Informatika JURNAL FISIKA JEJAK Jurnal Pendidikan Teknik Mesin Lembaran Ilmu Kependidikan PROSIDING Jurnal Ilmu Kesehatan Masyarakat Juara: Jurnal Riset Akuntansi Interest : Jurnal Ilmu Kesehatan Holistic Journal Of Management Research Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal NERS Jurnal Pengabdian Kepada Masyarakat Universitas Bangka Belitung Jurnal Manajemen Dayasaing Jurnal Varidika Jurnal Imejing Diagnostik Paradigma Prosiding Seminar Nasional Jurnal Penelitian dan Pengembangan Pendidikan Luar Biasa The Indonesian Journal of Public Health Dauliyah Journal of Islamic and International Affairs Management Analysis Journal Indonesian Journal of Guidance and Counseling: Theory and Application Indonesian Journal of Curriculum and Educational Technology Studies Jurnal Mirai Management Elektum : Jurnal Teknik Elektro Jurnal Ekonika : Jurnal Ekonomi Universitas Kadiri Jurnal Penelitian Kesehatan Suara Forikes Jurnal Wiyata : Penelitian Sains dan Kesehatan Jurnal Ekonomi dan Bisnis Inovasi : Jurnal Ekonomi, Keuangan, dan Manajemen Islam Realitas: Journal of Islamic & Social Studies DE LEGA LATA: Jurnal Ilmu Hukum Jurnal Organisasi Dan Manajemen LENSA (Lentera Sains): Jurnal Pendidikan IPA Jurnal Analisis Bisnis Ekonomi Jurnal Media Agribisnis (MeA) JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI PROSIDING SEMINAR NASIONAL AGRIBISNIS Jurnal Keperawatan Muhammadiyah Syariah: Jurnal Hukum dan Pemikiran EMBRIO : Jurnal Kebidanan Jurnal Kolaboratif Sains Journal on Education Surya Abdimas Jurnal Kesehatan Saelmakers PERDANA (JKSP) JIA (Jurnal Ilmiah Akuntansi) JIA (Jurnal Ilmiah Agribisnis) : Jurnal Agribisnis dan Ilmu Sosial Ekonomi Pertanian Jurnal Dinamika Manajemen Pendidikan (JDMP) Journal of Economics, Business, and Government Challenges Jurnal Teknologi Dan Sistem Informasi Bisnis jurnal ilmiah hospitality Journal of Telenursing (JOTING) Nursing Arts Abdimasku : Jurnal Pengabdian Masyarakat EDUNursing Mahaguru: Jurnal Pendidikan Guru Sekolah Dasar Madaniya Jurnal Surya Masyarakat JURNAL FLYWHEEL Nusantara Science and Technology Proceedings International Journal Of Science, Technology & Management (IJSTM) Journal of Management and Entrepreneurship Research J-REMI : Jurnal Rekam Medik dan Informasi Kesehatan Jurnal Pengabdian kepada Masyarakat Jurnal Otoranpur Jurnal Ilmiah Kesehatan (JIKA) Jurnal Ilmiah Teknik Mesin Poros Jurnal Ipteks Terapan : research of applied science and education International Journal of Science and Society (IJSOC) METAL : Jurnal Sistem Mekanik dan Termal Jurnal Kreativitas dan Inovasi (Jurnal Kreanova) Makara Journal of Technology JOMLAI: Journal of Machine Learning and Artificial Intelligence Journal of Indonesian Economy and Business Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Electrician : Jurnal Rekayasa dan Teknologi Elektro Jurnal Keperawatan Community Service Seminar and Community Engagement (COSECANT) Journal for Quality in Public Health Journal of Animal Research and Applied Science VIJJACARIYA: Jurnal Pemikiran dan Pendidikan Buddhis
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Journal : METAL : Jurnal Sistem Mekanik dan Termal

Pengaruh Variasi Persentase Campuran Polymer Polyester dan Vinyl Ester Terhadap Kekuatan Tegangan Lentur Nusyirwan Adnand; R Mutya; Firman Ridwan; Hairul Abral; Hendery Dahlan; Eka Satria
METAL: Jurnal Sistem Mekanik dan Termal Vol 5, No 2 (2021): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (942.586 KB) | DOI: 10.25077/metal.5.2.126-131.2021

Abstract

Polymer mixture of polyester and vinyl ester is widely used in engineering fields such as for car bumpers, boat bodies, ultra-light aircraft wings, wind turbine blades and others. One of the requirements to meet the application aspects in the engineering field is the ability of the material to withstand bending loads. For this reason, it is necessary to test the flexural stress characteristics of the mixture of the two polymers of unsaturated polyester and unsaturated vinyl ester. The aim is to find out which of the two polymer blends obtains superior flexural resistance properties from each of the polymers with respect to the blend percentage. To determine the flexural stress value of the polyester and vinyl ester mixture, a flexural stress test was carried out with reference to the standard flexural test or the bending test used based on ASTM D 790 by varying the composition of the mixture 100%: 0%, 90%: 10%, 80%: 20%, 60%:40%, and 0%:100%. From the results of the bending stress test on specimens with variations in the composition of polyester and vinyl ester with the hand lay-up method, the highest bending stress value is found in the composition of 60% polyester and 40% vinyl ester, which is 126.88 MPa ( an increase in maximum flexural strength of 255%)
Kajian Perancangan dan Evaluasi PLTMH Jorong Patamuan Kabupaten Pasaman dalam Mengatasi Kekurangan Listrik Pedesaan N Nusyirwan
METAL: Jurnal Sistem Mekanik dan Termal Vol 1, No 1 (2017): Volume 1, No 1 (2017)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (800.624 KB) | DOI: 10.25077/metal.1.1.40-46.2017

Abstract

Electrical energy supply which is not evenly distributed throughout the territory of Indonesia is mainly due to the width of the area the limitation on the budget. This condition has enforcing the rural residents to make their own electric energy generation. The discovery of a compact electric generator with control equipment that is reliable in a variety of sizes and power capacities has increasing the development of small size hydro electric power plants. One of the technology challenges for this power plant is to design a power plant with the existing water resources and equipment available on the market. Base on the preliminaries study in MHP Jorong Patamuan, it is found that the cross-flow turbines with a maximum power of 10 Kw is more appropriate for the electrical generator. The Maximum head for this micro hydro generator is 8 meters and the net loss of 0.4 m. The main channel is composed of a trunk made of concrete channels open with a size of 40 x 40 x 40 cm and a pipeline for rapid pipeline with a length of 28 m using the pipe 8 inches or 20 cm. Generator been Generator one Phase with 10 Kw power. There are constraints in this PLMH operation, which is the state annual river discharge decreased during July and August due to the long dry season so that the water flow is only 0.08 m3 / s, far below the planned discharge 0.2252 m3 / s for the power wat 3000 output only approximately 1/3 of the nominal power 10000 watt than planned.
Penghitungan Beban Kritis pada Struktur Kolom Kontinu dengan Dua Bentangan akibat Pembebanan Secara Aksial Eka Satria; Nusyirwan Nusyirwan; Muhammad Irfan
METAL: Jurnal Sistem Mekanik dan Termal Vol 2, No 2 (2018)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (875.96 KB) | DOI: 10.25077/metal.2.2.7-13.2018

Abstract

This paper is aimed to determine the critical buckling load of continous column with two spans under axial loading. Firstly, the critical buckling loads is calculated theoretically based on concept of solid mechanic. The calculation is conducted for various ratio of L1/L2. This ratio shows a comparison of two span lengths. The used ratios in this calculation are  L1/L2= 1/3,1/2, 2/3, 1/1, 3/2, 2/1, and 3/1. The critical buckling loads is calculated based on elastic analysis. For practical application, the results then are approached by regression technique of a least square method to find the best fit of design equation. Later, this equation is recommended as a practical equation in determining the critical buckling of continous column with two spans under axial loading.
Kaji Perbandingan Karakteristik Respon Dinamik Suspensi Sepeda Motor dengan Memakai Peredam Viscous Oli Sintetis dan Minyak Nabati N Nusyirwan
METAL: Jurnal Sistem Mekanik dan Termal Vol 1, No 2 (2017): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (819.146 KB) | DOI: 10.25077/metal.1.2.133-141.2017

Abstract

The motorcycle is a vehicle which is widely used by people today, especially in the narrow streets. This vehicle is able to meet the needs of users because it is cheap, fuel-efficient is also very dynamic to reach places that are difficult to reach by four-wheeled vehicles that have large dimensions. In addition to the many advantages of two-wheeled vehicles should also be taken into account in terms of comfort and safety. Safety factor will depend on many factors, other than humans as a rider, vehicle reliability and the quality level of the road is an important safety factor. Factors vehicle will be in direct contact with the road in its path. Regarding the main factor for the safety of the road is how the vehicle is still stable when it fell into a deep hole or a very rough road. Suspension as one of the main tools to respond to the shock loads on a motorcycle is the main factor that should be taken into account. Types of suspension are used to reduce response style and shock will be felt directly by passengers. This is one study which the suspension is an extremely important characteristic studied. One that plays a role in the election of a suspension damper oil. Oil damper as viscous dampers shock loads can convert into friction and heat. Viscous good silencer is to transfer mechanical energy into heat as much as possible, without changing the characteristics of the damper oil itself. Oils tested, there are three types of commercial oil  chosen by the suspension manufacturers. This study was conducted to replace oil with vegetable oil palm oil CPO output can reduce the amplitude of 9.2 cm for shock loads of 20 kg with a height of fall of 3 m. Fall height of 3 m damping ratio of vibration  damper formed by CPO was 0.41.
Metode Pengering Gabah Aliran Massa Kontinu Sebagai Pengering Alternatif Pada Musim Penghujan Dengan Sumber Energi Dari Cahaya Lampu Mono Kromatis Nusyirwan Nusyirwan
METAL: Jurnal Sistem Mekanik dan Termal Vol 2, No 1 (2018)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (940.912 KB) | DOI: 10.25077/metal.2.1.47-55.2018

Abstract

In the rainy season, rice grain from the harvesting field cannot be dried properly. This condition is due to sunlight being blocked up by the cloud therefore the sunlight intensity on the earth surface is small. As a consequence many farmers become loss because this low quality rice is sale at a lower price. To overcome the above problems, it is necessary to make a dryer that not directly depend on the solar energy. In this research, a method for rice drying using light from monochrome lamp is proposed. The dryer consist of a silinder-shaped container which is equipped whith a stirer that can be adjusted according to the desired speed. In the drying chamber, hot air that regulated in the drying room is produced by incandescent lamp. The drying result obtained from this dryer using 40 rpm rotation speed reaches an absolute dry percentage of rice at equivalent of 14 %. While for stirrer rotation 50 rpm and 60 rpm the drying percentage is 8 % and 5 %. From these results, it can be concluded that the best condition for the drying process is obtained for stirrer rotation speed 40 rpm.
Penghitungan Beban Kritis pada Struktur Balok-Kolom Akibat Pembebanan Secara Aksial dan Lateral Berbasiskan Metode Beda Hingga Eka Satria; N Nusyirwan; Deri Yunifki
METAL: Jurnal Sistem Mekanik dan Termal Vol 1, No 2 (2017): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (889.991 KB) | DOI: 10.25077/metal.1.2.117-124.2017

Abstract

This paper is aimed to determine the critical buckling load of the beam-column structures for practical applications. Firstly, the critical buckling loads is calculated numerically based on finite difference method. For geometrical modeling, the structures are supported in three types of supports; pinned-roller, fixed-free, and fixed-pinned. Then, a geometry of the beam is varied in variation of slenderness ratio. The load is given in types of uniform distribution load, q, laterally and a concentrated load, P, axially. Using a computational program, the relationships of P/q to slendernes ratio, l, for all models are determined. The results then are approached by regression technique of a least square method in order to find a the best fit of equation. This equation is recommended as a practical equation for determining the critical buckling of the beam-column structures under variation of types of supports, slenderness ratio and rasio P/q.
Co-Authors - Munaji A Halim A. A. A. WULANDIRA SAWITRI DJELANTIK A.A. Ketut Agung Cahyawan W Abiddin, Andi Hayyun Abral, Hairul Afifah Nur Millatina Agista Putri Agripina Alma Frida Paus Agung Adhitya Priahutama Agung Cahyono Agus Khoirul Anam, Agus Khoirul Agus Wahyudi Agus Zainal Abidin Agusta Dian Ellina Almira Santi Samasta amalianurzahra Andi Kurniawan Andreas Iyai Andrei Sakharov Maryen Andriano G. Suban Yunior Ari Wahono ARI WAHYUDI Ari Widiyantoro Asep Mulyana Asepma Hygi Prihastuti Asis, Asis Awanis Linati Haziroh Baharta, Edwin Bima Jon Nanda Budi Minarno Budi Purwoko Budi, Gunawan Setiyo Byba Melda Suhita Byba Melda Suhita Caturwangi, Desak Ketut Chairatul Umamah Charles Bay Koda Chasanah, Amalia Nur Cherie Dinah, Cherie Chrisleman Adi Putra Amalo Dendi Gusnadi Dendi Nur Ramadani Deri Yunifki Desma Legawa Devita Riafinola Dewi Ridhosari Dewi Ridhosari Dian Yustika Rini Diana Aqmala Diana Aqmala Didi Gayani Didit Setiawan Dimyati Ayatulloh Diyah Herowati Dwi Andi Numantris Dwi Widjanarko Dyah Ayu Yulyastuti Eka Ferawaty Eka Ferawaty Eka Satria Eko Darminto Eko Edy Susanto Eko Rahaman Kadir ELIHAMI, ELIHAMI Endah Pri Ariningsih Eni Rohma Wiyati Erlangga Mandala Sakti Ermilando Lobain Ernawatiningsih, Ni Putu Lisa Ery Olivianto Faisal Nays, Faisal Fanni Husnul Hanifa Farida Wahyu Utami Faris Azharuddin, Faris Fendy Suhariadi Firdhaus Hari Saputro Al Haris Firman Ridwan Fortunasari, Fortunasari Frafilius Don Bosko Manu Frendy Wibowo Gusti Ayu Agung Mas Mahadewi Hanny Krissanti Hargiani, Fransisca Xaveria Hari Prasetyo umar Hartono Budi Santoso Hendery Dahlan, Hendery Herry Subagyo Heru Tjaraka Herya Putra Dharma husen husen I Putu Mega Saputra I. G. N. Wisnu Sudewa Ifmalinda Iin Suwandari Ilham Nur Muhammad Imania Halwa El Kariema Imelda Imelda Indasah Indri Iswahyudi, Indri Irayani, Ni Made Devi Irene Yuliana Edowai Ismi Lutfinur Istyarini Istyarini, Istyarini Izzudien Jamilatul Munawarah Joko Prasetyo Kartika Rinakit Adhe, Kartika Rinakit Khaerotib Khairul Umam Khofidatur, Rofiah Kornelius Laga Waleng Kurnia Rakhman, Dedi Kusni Ingsih La Ode Geo Lede Adju Leman, Dedi Leonardus Rivaldiy Ganggut Liana Mangifera Maria Longa Pegan Mimiet Ismurdijahmitra Mochammad Eric Suryakencana Wibowo Muhammad Irfan Muhammad Putra Nahdlah Murni Murni Nanda Rahmad Ni Luh Putu widhiastuti, Ni Luh Putu Ni Made Rai Juniariani Novi Kurniasari Novriansyah Novriansyah, Novriansyah Nur Rahma Nurdina Nurdina Nurwijayanti Paulus Matius Perdana, Tito Aditya Philipus Sinay Pramono Pramono Praptini Yulianti, Praptini Prian Gagani Chamdareno, Prian Prian Gagani Chamdareno, Prian Gagani Purnasari, Irma R Mutya Rachim, Alfa Setya Rahmad Hakim Rahmania Ambarika Rahmat Alif A. Ratna Herawati Rattu, A. J.M. Resty Tallupadang Rifki Dermawan Rika Wijayani Ririt Ika Lestari Ririt Ika Lestari Ririt Iriani Sri Setiawati Risanda Alirastra Budiantoro Riza Taufiq Rizki Maharani Rofi’ah, Jamilatur Rofiq Noorman Haryadi Rusdi Samsinar, Riza Sandu Siyoto Sandu Siyoto Sasti Ayu Anggraeni Sawqi Saad El Hasan Sentot Imam Suprapto Sentot Imam Suprapto Setyo Budi Susanto Shanty Chairani Silvia Anzhita Sinulingga, Anita Afriani Siti Aida Adha Taridala Siti Khotimah Sri Suhandiah Sri Wulan Handayani Stevanus SUGIYANTO Suhermin Suhermin Sujarwanto Sujarwanto, Sujarwanto Sulastri Sunardi, Dedi Sunaryadi Suratminingsih Suratminingsih Sutriyono Syamsul Arifin Syamsurizal - - Tasyarani Putri Wigdyaningsih Thamrin Usman Titin Ekowati Tri Hari Wahyuningtyas Tri Ratna Fauziah Tri Retnoningsih Tutus Fibri Ulfa Tarbiati Ulfa Tarbiati Ulrikus Jeferius Naya Umboh, J. M.L. Unang Sunarya Usman Rianse WA KUASA Wa Ode Yusria, Wa Ode Wahyu Rusmitawati Weka Gusmiarty Abdullah, Weka Gusmiarty Widya Sastika Winarsih Yaya Rayadin Yenni Marlita Yenny Puspitasari Yosefina Peni Bean Yulianti Yulianti Yuly Peristiowati Yuly Peristiowati Yurilla Endah Muliatie, Yurilla Endah