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All Journal Jurnal Teknik Mesin Rekayasa Mesin Jurnal Rekayasa Material, Manufaktur & Energi Jurnal Inotera Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi International Journal of Marine Engineering Innovation and Research Jurnal Cahaya Mandalika Malikussaleh Journal of Mechanical Science Technology kawanad jes Jurnal Polimesin

Ahmad Syuhada

Dosen Teknik Mesin - Universitas Syiah Kuala

Author-ID : 2603281

Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Kajian Penggunaan Energi Surya Dan Energi Bayu Sebagai Penggerak Pompa Air-Tanah Untuk Pengairan Pertanian Maidi Saputra; Andi Yusra; Ahmad Syuhada
Jurnal Mekanova: Mekanikal, Inovasi dan Teknologi Vol 3, No 1 (2017): April
Publisher : universitas teuku umar

Pada saat musim kemarau para petani harus bersusah payah menyiram tanaman pertanian mereka, karena harus mengangkat air dari sumur. Untuk mengairi lahan pertanian dengan menggunakan tenaga badannya untuk mengangkat air ke lahan pertanian, hal ini sangat tidak efektif kerja petani dalam menghasilkan produk pertanian. Banyak dari mereka yang tidak dapat menggunakan pompa air karena lahan pertanian jauh dari sumber energi listrik. Teknologi pompa air tenaga angin adalah sebagai energi alternatif yang dapat mengatasi hambatan tersebut. Daya turbin angin diubah menjadi tegangan listrik yang mengaliri baterai untuk menggerakkan pompa air. Intensitas sumber daya angin di wilayah Aceh dan sekitarnya sangat berpotensi untuk mengerakkan pompa. Kecepatan angin maksimum menurut data yang dikumpulkan selama setahun, terjadi pada bulan Oktober dan Desember yaitu sebesar 5.8 m/s dan kecepatan angin minimum terjadi pada bulan September yaitu sebesar 3.4 m/s. Tegangan baterai yang dihasilkan bervariasi terhadap kecepatan dan rpm dari turbin angin, tegangan minimal sebesar 11 volt dan maksimal sebesar 18 volt. Debit air yang dihasilkan juga bervariasi terhadap tegangan yang keluar dari inverter untuk menggerakkan pompa, debit air minimal sebesar 0.09355 l/d serta debit air maksimal sebesar 0.37667 l/d. Kata Kunci : Pengairan pertanian, Pompa pertanian, daya angin, listrik tenaga angin dan penyimpanan air

Design and Performance of Archimedes Single Screw Turbine as Micro Hydro Power Plant with Flow Rate Debit Variations (Case Study in Air Dingin, Samadua - South Aceh) Irwansyah Syam; Muhammad Ilham Maulana; Ahmad Syuhada
Jurnal Inotera Vol. 4 No. 1 (2019): January-June 2019
Publisher : LPPM Politeknik Aceh Selatan

Renewable energy is energy derived from nature and can be produced continuously such as water energy as a micro hydropower plant. The development of a micro hydropower plant is to utilize the potential energy of water flow that has a certain head and discharge to be converted by turbines and generators into energy electricity that can be used in the development of Archimedes Single Screw Turbines. Archimedes Single Screw Turbine is a type of turbine that is capable of operating with low head 1-15 meter in river flow and irrigation. Aceh is one of the regions that have a large amount of water energy potential to be used as energy driving water turbines. The purpose of this study is to design, make Turbine Archimedes Single Screw construction and conduct turbine testing and determine the performance of Archimedes Single Screw Turbine based on the effect of water flow discharge on rotation, torque, power, and optimum efficiency so that it can determine the right turbine design and performance well. Archimedes Single Screw turbine is made with 201 stainless steel which has dimensions of N = 1 blade (Ro= 130 mm, Ri = 70 mm) with pitch 2Ro, Turbine length (L = 2 m), head = 1 m, Angle θ = 300. The variables measured and observed are the rotation of the turbine, torque, and flow rate. Tests were carried out on 3 variations of flow rate, namely 0.02 m3/s, 0.009 m3/s, and 0.003 m3/s. The test results, the highest rotation, and turbine power occur at flowrate 0.02 m3/s at 236.40 rpm with a power of 116.10 watts and maximum turbine efficiency is 57%. Thus, the turbine with maximum power and efficiency is obtained when the flow rate is 0.02 m3 /s.

Optimasi Penyerapan Panas Memanfaatkan Energi Matahari Pada Kolektor M Iqbal A.P; Ahmad Syuhada; H Hamdani
Malikussaleh Journal of Mechanical Science and Technology Vol 2, No 1 (2014): Malikussaleh Journal of Mechanical Science and Technology
Publisher : Malikussaleh University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v2i1.10923

Energi matahari merupakan salah satu energi terbarukan yang dapat kita manfaatkan untuk kebutuhan manusia untuk berbagai keperluan seperti listrik, pemanas, pengering dan lain sebagainya. Kolektor surya merupakan suatu alat yang berfungsi untuk mengumpulkan energi matahari dan diubah menjadi energi thermal dan meneruskan energi tersebut ke fluida. Melalui 3 (tiga) variasi sudut hambatan yang disusun diharapkan dapat ditemukan sudut hambatan yang sesuai dalam upaya mengoptimalkan penyerapan energi matahari dengan memanfaatkan laluan multi belokan . Ukuran dari kolektor adalah 250 cm × 85 cm. Pada setiap sisi dari kotak absober dilapisi dengan alumunium dengan tebal 10mm. Sebagai penyerapan radiasi surya pada pengujian ini digunakan pasir besi dengan tebal 6 cm dan posisi kotak pemanas udara dibuat miring 150 .Pengukuran temperatur dilakukan dengan beberapa variasi, yaitu : laluan multi belokan sudut 1800, laluan multi belokan 900 dan laluan multi belokan sudut 1300 . Pengujian dilakukan di alam terbuka di halaman Fakultas Teknik Universitas Syiah Kuala Darussalam Banda Aceh dan pengukuran dilakukan sebanyak 33 titik pada laluan aliran. Pengujian dilakukan dari jam 11.00 sampai dengan 15.00 WIB. Hasil penelitian diperoleh distribusi temperatur absober untuk ketiga tipe solar kolektor cenderung sama, distribusi temperatur tertinggi dapat dicapai oleh kolektor dengan sudut belokan 1300 yaitu 93,30C, pada waktu 12.00-13.00 WIB. Tipe kolektor surya dengan sudut belokan 900 merupakan temperatur ke 2 tertinggi yang mampu dicapai 91,20C. Dan tipe kolektor surya dengan sudut belokan 1800 yang memperoleh temperatur terendah yaitu 90,20C.

Pelatihan Penulisan Dan Submit Artikel Ilmiah melalui Online Journal Sisitem (OJS) Bagi Mahasiswa Akhir Program Studi Teknik Mesin Seluruh Perguruan Tinggi di Aceh Dandi Bachtiar; T. Edisah Putra; Zulfadhli; Akhyar; Arhami; Ratna Sari; Ahmad Syuhada; Razali Thaib
Kawanad : Jurnal Pengabdian kepada Masyarakat Vol. 2 No. 2 (2023): October
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/kjpkm.v2i2.162

The partner in this program is a collaboration with the Mechanical Students Association (HMM) of all universities studying in the Mechanical Engineering study program which is currently completing its final project in Aceh. The partner's problem is the lack of ability to write scientific articles, and, not knowing how to submit scientific articles via OJS (Oper Journal System), and the solution offered is to provide an introduction to strategies for writing scientific articles and the OJS stages in the journal publishing process, provide training in creating author accounts at OJS, providing training on submitting scientific articles through OJS, outreach on how to write scientific articles, as well as training on writing scientific articles. The results of service activities are that partners can recognize OJS and the OJS stages in the journal publishing process, partners have author accounts and can submit scientific articles to OJS, partners can write scientific articles well and correctly. Monitoring and evaluation are also carried out for the sustainability of further activities to resolve partner problems.

Analysis of Wind Energy Potential as A Hybrid Power Plant in Banda Aceh and Surrounding Areas Ratna Sary; Ahmad Syuhada; Teuku Zulfadli
Jurnal POLIMESIN Vol 20, No 1 (2022): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v20i1.2298

Wind is one of the energy sources developed as new and renewable energy in Aceh Province because of the sufficient wind potential available. In its utilization, wind speed is one of the important and main variables in calculating the amount of energy obtained. This energy will later be combined with energy sources from PLN which have been using fossil fuels. Wind potential in Banda Aceh and its surroundings is very possible to be converted into electrical energy because the average wind speed in Banda Aceh and its surroundings ranges from 4-6 m/s and can blow for approximately 4 to 6 hours per day. The results of the study of the potential of wind energy as a power plant in the Saree area (Aceh Besar District), then obtained an average wind speed in 2017 of 4.2 m/s by generating electrical power of 312 Watt/m2. In 2018 it was 4.6 m/s with an electric power of 341 Watt/m2. While in 2019 it was 5 m/s by generating an electric power of 368 Watt/m2 and the comparison in two other areas, namely Gampong Jawa and Gampong Deah Glumpang Banda Aceh, was obtained by Gampong Jawa with a wind speed of 4.35 m/s by producing 324 Watts/m2 and in Deah Glumpang Village with a wind speed of 3.95 m/s with a power output of 296 Watt/m2

Sistim pengeringan ikan dengan metode hybrid Muhammad Hatta; Ahmad Syuhada; Zahrul Fuadi
Jurnal POLIMESIN Vol 17, No 1 (2019): Februari
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v17i1.666

Sistem Pengeringan dengan metode hybrid merupakan sistem pengeringan yang menggunakan dua atau lebih sumber energi untuk proses penguapan air. Pengering hybrid pada penelitian ini menggunakan sumber energi matahari dengan bantuan solar kolektor dan energi bahan bakar gas. Penelitian ini merupakan alternatif teknologi untuk kasus pengeringan ikan. Tujuan dari penelitian ini adalah untuk meningkatkan temperatur udara panas ruang pengering hybrid, melakukan optimalisasi waktu pengeringan dan menghitung kadar air pada ikan. Penelitian ini dilakukan di halaman Fakultas Teknik Universitas Syiah Kuala. Hasil pengukuran temperatur tertinggi ruang pengering tanpa bahan/ikan dengan menggunakan kolektor surya adalah 43 oC dengan intensitas cahaya matahari tertinggi 915 W/m2, setelah menggunakan metode hybrid temperatur tertinggi ruang pengering dengan kondisi ada bahan/ikan meningkat sampai 67 oC dengan intensitas cahaya matahari tertinggi 908 W/m2. Pengeringan menggunakan energi hybrid relatif lebih singkat yaitu 8,5-13 jam sedangkan pengeringan secara tradisional membutuhkan waktu selama 3 hari dengan kondisi cuaca cerah dan intensitas cahaya matahari yang tinggi. Tingkat penguapan kadar air mencapai 30,25% - 38,18 % untuk ikan karang/ikan kakap merah, dan 53,30% - 57,13% untuk ikan teri. Kata kunci: Pengering Hybrid, Kadar Air, Temperatur, Kolektor Surya dan Energi Bahan Bakar Gas. AbstractDrying System with hybrid method is a drying system that uses two or more sources of energy for the evaporation process of water. Hybrid dryers in this study use solar energy sources with the help of solar collectors and gas fuel energy. This research is an alternative technology for cases of drying fish. The purpose of this study is to increase the heat temperature of the hybrid drying chamber, to optimize the drying time and calculate the moisture content of the fish. This research was conducted in the laboratory of the Faculty of Engineering of Syiah Kuala University. The highest temperature measurement of the drying room without materials/fish using solar collector was 43 oC with the highest solar light intensity of 915 W/m2, after using hybrid method the highest temperature of drying chamber with the condition there was fish/ingredients increased up to 67 oC with the highest sun light intensity is 908 W/m2. Drying uses hybrid energy was relatively shorter 8.5-13 hours while drying traditionally takes 3 days with sunny weather conditions and high sunlight intensity. The rate of water vaporization reached 30.25% - 38.18% for lutjanus campechanus, and 53.30% - 57.13% for stolephorus commersonii, Lac.). Keywords : Hybrid Dryer, Water Content, Temperature, Solar Collector and Energy Fuel Gas.

ANALISIS EKSPERIMENTAL PENGARUH BELOKAN TAJAM DAN SUSUNAN PIPA TERHADAP PERPINDAHAN PANAS PADA SOLAR WATER HEATER Nasution, Muhammad Syukri; Syuhada, Ahmad; Razali, Razali
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1698

Hot water is water that has a temperature above the human body's temperature, which ranges between 37-100°C. The demand for hot water keeps increasing, especially for bathing purposes, as bathing with hot water is more comfortable and can help relax the body. Typically, hot water is obtained by boiling water using oil or wood-burning stoves and using electric water heaters, which increase household expenses. The best alternative to address this issue is to create a solar water heater. To improve the performance of a solar water heater, many researchers have conducted studies on this topic, but further improvements are still needed to achieve more optimal results. This research is conducted to test the effect of the number of sharp bends, the length of the pipe between sharp bends, and the arrangement of the pipe layout on the heat transfer that occurs in a 30 L solar water heater pipe with collector dimensions of 2.5 x 0.8 m². The variations made on the heating pipe involve varying the length of the pipe between sharp bends into three variations, namely (230, 670, 95) cm, arranged horizontally and vertically. Based on the research with an average solar radiation intensity of 790-850 W/m², the most optimal collector occurred in the variation III pipe (95 cm) with an end water temperature of 76.56°C, useful energy of 360.4333 W, solar water heater efficiency of 23.4714%, and convective heat transfer coefficient of 150.7833 W/m²K.

ANALISIS PENGARUH BENTUK LUBANG TERHADAP KARAKTERISTIK PERPINDAHAN PANAS PADA MENARA PENDINGIN TIPE PLAT DATAR BERLUBANG BERTINGKAT Mustika, Yulanda Dwi; Syuhada, Ahmad; Razali , Razali
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1699

Cooling tower is one of the most widely used cooling systems in the industrial world. A cooling tower is a series of heat exchange devices that use working fluids, such as water and air, to act as a cooling medium by coming into direct contact with the air, causing a small portion of the water to evaporate and reducing the temperature of the liquid. To enhance the performance of cooling towers, many researchers have conducted studies on this matter, but there is still room for improvement to achieve more optimal results. The objective of this research is to obtain an optimal cooling tower system by determining the convective heat transfer coefficient. With this phenomenon, the research investigates the heat transfer process that occurs on perforated plates in a flat plate-type cooling tower with an overall tower height of approximately 2.4 meters and around 5 levels of fluid distribution media. The length of each plate is 0.7 meters with a width of 0.5 meters. Variations are also made in the multi-level cooling tower design, specifically in the shape of the perforations used, including circular, triangular, and square perforation shapes, using a zig-zag outlet hole model. The perforated plate area is 0.0157 square meters for each plate, with a 15° inclination angle for each plate arrangement. The research results indicate that the highest heat transfer coefficient values occur in the multi-level cooling tower when using square-shaped plates, followed by triangular-shaped plates, while circular-shaped plates have the lowest heat transfer coefficient values. Therefore, variations in the shape of the perforations on the flat plates affect the change in temperature reduction and the heat transfer coefficient values in the performance of the multi-level cooling tower.

Efektivitas Pengeringan Pada Kolektor Surya Dengan Sudut Kemiringan 130 Menggunakan Bahan Absorber Putra, Mhd Irwansyah; Syuhada, Ahmad; Nasution, Arya Rudi
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.10956

Indonesia is an area with a fairly high intensity of sunlight because of its position on the equator. Its solar energy potential reaches 207.9 GW, while its use is only about 78.5 MW. Therefore, many studies have been conducted on the application of solar thermal energy which is a renewable energy source. One application of solar energy is used for the drying process of a material. In general, people in Indonesia still use traditional drying systems because solar energy is obtained free of charge and does not run out, so traditional drying is relatively cheap. The purpose of this study is to achieve the highest collector temperature by using heat absorption material on the absorber used in the solar collector with several variations of the absorber so as to optimize the heat temperature of the solar collector. This study tested the type of absorber of the most optimal heat absorption material on a solar collector with a slope angle of 1300 and 4 absorber variations, namely (1) iron sand and gram iron, (2) iron sand, (3) hot mix asphalt, and (4) asphalt and iron sand. This research was carried out by describing the tools designed with the preparation of measuring instruments, data collection and data processing carried out on the front page of the Faculty of Engineering and the Laboratory of Thermal Engineering, Faculty of Engineering, Syiah Kuala University. The tools used for the four flat plate solar collectors with the equipment and materials used in this study were wood (boards and beams) as a frame, mica plastic as a collector cover, iron sand and iron gram absorber material, iron sand, hot mix asphalt, asphalt. and iron sand, and rubber wood lat as insulation. The results showed that the distribution of air temperature along the channel tends to increase very sharply, especially in the bend area, this is due to sharp turns which result in flow turbulence. Thus, the highest temperature obtained for each absorber variation of sand and gram iron, iron sand, hot mix asphalt, and asphalt and iron sand with temperatures of 860C, 810C, 830C, and 840C. In this study, the intensity of sunlight is only 857.12 W/m2.

Studi Eksperimental Pengaruh Konfigurasi Penampang Sekat Terhadap Kinerja Novel Cooling Tower Prototype Afandi, Dedi; Syuhada, Ahmad; Sary, Ratna; Zulfan, Zulfan; Yufandi, Asra
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 8, No 2 (2022): Oktober
Publisher : universitas teuku umar

Cooling towers are widely applied in industries such as power plants and oil refineries, where the equipment produces excess heat that needs to be removed. The effect of baffles configuration on the performance of the novel cooling tower prototype was studied experimentally. The configuration of the baffles used is the baffle section without holes, the baffle section with 15 holes, the baffle section with 25 holes, and the baffle section with 35 holes. The water inlet temperature was varied, namely 55⁰C, 75⁰C, and 90⁰C. water is flowed from the main reservoir to the upper reservoir of the cooling tower using a pump, and water from the upper reservoir falls on the baffles of the cooling tower. Inlet water temperature, outlet water temperature, and water temperature at each baffle were measured using a thermocouple. The results showed that the cooling tower with a baffle of 35 holes produced the most optimal performance. The heat transfer rate produced by the cooling tower with a 35-hole baffle at an inlet temperature of 55⁰C is 624.64 Watts. At the water inlet temperature of 75⁰C, the average heat transfer rate produced by the cooling tower with a 35-hole baffle increased by 42.6%. The average heat transfer rate produced by a cooling tower with a 35-hole baffle at a water inlet temperature of 90⁰C increased by 62.6%. This is because the cooling tower with a baffle of 35 holes causes the water droplets that pass through the baffle to split into more and more so that the heat transfer rate is higher.

Co-Authors - Alchalil - Azhari - Hamdani - Mursalin - Ramadlan - Zulkifli . Zulfan Abraar Shalahuddin Adi Saputra Ismy Akhyar Akhyar Akhyar Akhyar Al Kautsar, Teuku Muhammad Aldine Al Munawir Amrizal Amrizal Anan Niazi Usman Andi Yusra Ansar, Khairil ARHAMI ARHAMI Arie Hantama Siregar Arya Rudi Nasution Asri Asyqar, Muhammad Aufa Azwinur Azwinur Bachtiar, Dandi Bayu Alif Satari Dandi Bachtiar Darmawan Darmawan Dedi Afandi Dogar Situmeang Erliadi Erliadi Erwin Ash'ari Fadliani Fadliani Farid Isnan Fazri Amir Fikri, Thaharul Hamdani Umar Heli Suansyah Ikhwan Ikhwan Iqbal Iqbal Ira Devi Sara Irwansyah Syam Junaidi Junaidi M Iqbal A.P M. Iqbal A.P. M. Nizar Machmud Mahdi Syukri Maidi Saputra Masri Meliagrina Meliagrina Muhammad Faisal Muhammad Hatta Muhammad Ilham Maulana Muhammad Ilham Maulana Muhammad Sayuthi Muhammad Thaib Hasan Muhammad Yusuf Muhtadin Mustika, Yulanda Dwi Nasution, Muhammad Syukri Perangin-Angin, Alifia Kaneysha Putra, Mhd Irwansyah Putra, T. Edisah Ratna Sari Ratna Sari Ratna Sary Ratna Sary Razali , Razali Razali Razali Razali Thaib Razali Thaib Rizkia Rizkia, Rizkia Sadam Husin Samsul Bahri Sarwo Edhy Sofyan Sofyan, Sarwo Edhy Suansyah, Heli Suriadi T. Edisah Putra Tarmizi Tarmizi Taufiq Taufiq Teuku Juliadi Teuku Zulfadli Teuku Zulfadli Ully Muzakir Ulul Rizza Jumada Umurani, Khairul Yufandi, Asra Yusmanizar Yusmanizar Zahrul Fuadi Zahrul Fuadi Zahrul Fuadi Zahrul Fuadi Zakirullah Zakirullah Zulfadhli Zulfadhli Zulfan Zulfan Zulkifli Zulkifli

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