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All Journal AUSTENIT Mesin FLYWHEEL : Jurnal Teknik Mesin Untirta Jurnal Pengabdian Kepada Masyarakat Universitas Bangka Belitung FROPIL (Forum Profesional Teknik Sipil) Machine : Jurnal Teknik Mesin Turbulen : Jurnal Teknik Mesin Manutech : Jurnal Teknologi Manufaktur Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Dharma Pengabdian Perguruan Tinggi (DEPATI) Sultra Journal of Mechanical Engineering (SJME)

Eka Sari Wijianti

Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Author-ID : 2726937

Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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PENGARUH SUHU DAN PUTARAN RAK TERHADAP LAJU PENGERINGAN CABAI MERAH MENGGUNAKAN SUMBER PANAS HEATER yudi Setiawan; Rodiawan Rodiawan; Eka Sari Wijianti; Nurul Habibi
Machine : Jurnal Teknik Mesin Vol 3 No 1 (2017): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (163.541 KB)

ABSTRAK Pengolahan cabai menjadi andalan dalam mempertahankan dan meningkatkan nilai jual produk yang dituntut prima oleh konsumen. Oleh karena itu diperlukan pengetahuan atau teknologi tentang penanganan komoditas yang mudah rusak agar kesegarannya dapat dipertahankan lebih lama. Beberapa upaya penyelamatan hasil pertanian adalah dengan melakukan pengeringan. Prinsip pengeringan cabai adalah menguapkan air karena ada perbedaan kandungan uap air diantara udara dan bahan yang dikeringkan. Penelitian ini bertujuan untuk mengetahui pengaruh variasi suhu terhadap pengeringan cabai merah untuk mencapai kadar air 11 %, mengetahui putaran rak alat pengering yang optimal serta mengetahui berapa daya yang dibutuhkan selama proses pengeringan. Penelitian dilakukan sebanyak 9 kali pengujian dengan variasi suhu 40°C, 50°C dan 60°C, serta menggunakan variasi kecepatan putaran rak 5 rpm, 10 rpm dan 15 rpm. Dari hasil pengujian pengeringan dengan alat pengering didapatkan cabai kering yang optimal pada suhu 60°C dimana membutuhkan waktu pengeringan lebih cepat untuk mencapai kadar air 11 %, dengan kecepatan putaran rak 10 rpm

Briket Arang Berbahan Campuran Ampas Daging Buah Kelapa dan Tongkol Jagung Eka Sari Wijianti; Yudi Setiawan; Hendra Wisastra
Machine : Jurnal Teknik Mesin Vol 3 No 1 (2017): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (219.504 KB)

Abstrak Energi alternatif merupakan pilihan untuk mengatasi krisis energi saat ini, salah satu energi alternatif yang bisa dimanfaatkan adalah biomassa yang sangat potensial untuk dikembangkan menjadi energi terbarukan.Briket adalah salah satu dari jenis biomassa yang saat ini dapat menjadi solusi sebagai bahan bakar yang ramah lingkungan, ekonomis, dan solusi penanggulangan limbah. Bahan baku pembuatan briket ini terdiri dari ampas daging buah kelapa dan tongkol jagung. Penggunaan bahan baku ini di dasari dengan banyaknya bahan yang terdapat di Bangka Belitung. Untuk mendapatkan kualitas briket yang baik, parameter yang mempengaruhi antara lain kadar air, kadar abu, kadar zat yang menguap, kadar karbon, nilai kalor dan kerapatan partikel pada briket. Briket yang digunakan pada pengujian sebanyak 6 sampel. Dengan komposisi campuran ampas daging buah kelapa dan tongkol jagung yang bervariasi yaitu 750 gram ampas daging buah kelapa dengan 250 gram tongkol jagung, 500 gram ampas daging buah kelapa dengan 500 gram tongkol jagung dan 250 gram ampas daging buah kelapa dengan 750 gram tongkol jagung, dan tekanan untuk pengepresan briket yang bervariasi yaitu 80 Psi dan 90 Psi. Dari pengujian yang dilakukan, didapatkan kesimpulan bahwa campuran yang terbaik pada sampel I dengan komposisi 750 gram ampas daging buah kelapa dan 250 gram tongkol jagung dengan tekanan 80 Psi. Briket tersebut memiliki karakteristik kadar abu terkecil yaitu 7,76 %, kadar zat yang menguap sebesar 31,63 % dan nilai kalor sebesar 6417,251 kal/g. Sedangkan kadar air terkecil terdapat pada sampel IV, yaitu 7,95 % dan kadar karbon terbesar terdapat pada sampel V, yaitu 55,0325 %.

PENGARUH MATERIAL BEARING TERHADAP KONSUMSI BAHAN BAKAR MOBIL HEMAT ENERGI TARSIUS GV-1 Eka Sari Wijianti; saparin Saparin
Machine : Jurnal Teknik Mesin Vol 4 No 2 (2018): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Penelitian ini difokuskan pada fungsi bearing dan poros roda pada kendaraan bermotor. Bearing adalah salah satu komponen kendaraan yang tidak boleh luput dari perhatian. Jika diabaikan, besi bulat kecil ini tidak befungsi maksimal, putaran roda menjadi berat karena gaya gesek yang terhambat. Komponen ini juga didesain minim friksi, sehingga ketika roda berputar bisa terjaga stabil. Ujungnya adalah level keborosan suatu kendaraan bisa lebih irit atau sebaliknya boros. Penelitian diaplikasikan pada mobil hemat energi Tarsius GV-1 milik mahasiswa Teknik Mesin Fakultas Teknik Universitas Bangka Belitung. Bearing yang digunakan adalah bearing seri 6000 dengan bahan keramik dan baja. Dimensi bearing adalah inner (ID) 10mm, outer (OD) 26mm dan lebar (B) 8mm. Diameter poros adalah 10mm (clearence precision running fit), 9,95mm (clearenc easy running fit) dan 9,90mm (clearance loose running fit). Pengujian jarak tempuh mobil dilakukan di Pantai Koala lintas timur Kabupaten Bangka. Panjang lintasan pengujian adalah sepanjang 2,2 km. Hasil penelitian menunjukkan bahwa untuk bearing keramik memberikan daya gelinding yang lebih panjang sehingga jarak tempuh semakin jauh. Hal ini bisa dilihat dari jumlah bahan bakar yang dihabiskan dalam satu kali pengujian. Hasil terbaik diperoleh pada bearing diameter 9mm bahan keramik dengan toleransi sangat longgar dimana bahan bakar yang diperlukan untuk melintasi jarak tempuh 2,2 km adalah 14,33 ml sehingga konsumsi bahan bakar mencapai 154,19 km/liter.

TURBIN ANGIN SAVONIUS EMPAT SUDU DENGAN VARIASI MODEL PROFIL SEBAGAI MEDIA BELAJAR MAHASISWA Eka Sari Wijianti; Saparin Saparin; Yudi Setiawan
Machine : Jurnal Teknik Mesin Vol 5 No 2 (2019): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

This research is about making a prototype of four blades savonius wind turbine as a learning media for Energy Conversion in the Mechanical Engineering Department, Bangka Belitung University. The making of this learning media is due to the limitations of student practicum facilities to support the continuity of practical and conducive lectures. The prototype was made with small dimensions, namely a frame of 0.75m x 1.5m and a turbine blade diameter of 0.15x0.3m. A fan-assisted the study as a wind energy generator. Wind speed variations carried out at three rates following the wind speed generated by the fan. The rate of wind speed measured using an anemometer and the rotation using a tachometer. The current and voltage are measured using a multitester. Turbine blades are varied with 4 blades with three-blade profile models, namely U, L, and S. Research, shows that wind speed influences turbine performance. The higher the wind speed, the higher the rotor's rotation, and so the resulting power. The best profile is obtained from the L model, which reaches 177.63 rpm with 6.35 watts of power.

MESIN PENCACAH SAMPAH ORGANIK TIPE PIRINGAN DENGAN KEMIRINGAN SUDUT HOPPER INPUT 60 DERAJAT Saparin Saparin; eka Sari Wijianti; budi santoso wibowo
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.3415

ABSTRACT Waste can be divided into two categories: organic waste and inorganic waste. Compost produced from organic waste has the potential to be created. The purpose of this research is to create a crusher for organic waste. The engine's designed specifications called for such a 6.5 HP gasoline engine with a pulley and belt transmission. 1918 mm in length, 639 mm in width, and 1046 mm in height compose up the entire engine. The blade's dimensions are 160 mm in length, 60 mm in width, and 10 mm in thickness. The blade's cutting angle is inclined at a 30 °. There are two pieces of chopping blades. The rotor blade shaft rotates around 1694 to 1741 rotations per minute. The test mass is 2900 grams, and the test duration is 32.10 seconds. The input hopper angle is 60 degrees slant. The machine does have a production capacity of 293.93 kg per hour. The machine's production efficiency is 92.82%. Keywords: crusher, waste processing

PEMANFAATAN MESIN PENCETAK PAKAN AYAM DALAM USAHA MENINGKATKAN PRODUKTIVITAS PETERNAKAN AYAM DI DESA PERGAM KECAMATAN AIRGEGAS Okto Supratman; Eka Sari Wijianti; Saparin Saparin; Yudi Setiawan; Okto Supratman; Jeri Ariksa
Dharma Pengabdian Perguruan Tinggi (DEPATI) Vol 2 No 2 (2022): November 2022
Publisher : Fakultas Teknik, Universitas Bangka Belitung

Community service (PkM) has been carried out regarding the use of chicken feed printing machines. The PkM place is in Pergam Village, Airgegas District, South Bangka Regency. The purpose of PkM is to increase the productivity of the Pergam village partner chicken farms. This program has been implemented before in other areas, because the program was successfully adopted in Pergam village. This service is a continuation of the 2021 service on the use of egg incubators. The success of the hatchery program through the egg incubator raises new problems related to feed availability. Currently, the price of feed is expensive, so farmers must look for alternatives to meet their feed needs. Service partners have limited funds to buy feed from the market. So the service team from the University of Bangka Belitung provided assistance in the form of a chicken feed printing machine. The implementation of the service has been carried out through four stages, including: The first stage, field observations and interviews with partners to record the problems faced by partners. The second stage, determine the focus and solution to the problem. The third stage is the implementation of service and assistance in the use of chicken feed printing machines, and the last is an evaluation of activities to record problems and the sustainability of the service program in the future. The service that has been carried out is by handing over two units of feed printing machines, assistance with supporting equipment for livestock and machinery. based on the results of interviews with partners, with a chicken feed printing machine can reduce feed costs by 50-60%.

Pengaruh Kemiringan Sudut Hopper Input Pada Mesin Pencacah Sampah Organik Terhadap Kapasitas Produksi Mesin Saparin Saparin; Eka Sari Wijianti; Budi Santoso Wibowo; Yudi Setiawan
Manutech : Jurnal Teknologi Manufaktur Vol. 15 No. 01 (2023): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v15i01.290

There are two types of waste, organic and inorganic waste. Organic waste can be used as compost with great potential to be developed, the high amount of wasted organic waste is not reused, which causes the waste to accumulate and will eventually be burned. This research is about designing an organic waste chopping machine. The engine specifications include a 6.5 HP gasoline engine, pulley and belt transmission, and overall engine measurements of 1918 mm in length, 639 mm in width, and 1046 mm in height. The dimensions of the blade are 160 mm long, 60 mm wide and 10 mm thick.The blade's cutting angle has a 30 degree slope. The chopping blade shaft rotates between 1694 and 1741 rpm. This study adjusts the input hopper's slope angle at 50 degree, 60 degree, and 70 degree depending on the machine's production capacity and productivity. There are machines that can produce 180 kg per hour to 449 kg per hour.The highest capacity occurs at the variation of the 50 degree input hopper slope reaching 449.55 kg/hour. The lowest capacity at the variation of the slope angle of 70 degree is 183.16 kg/hour. Machine production efficiency ranges from 89% to 93%.

ALAT BANTU JALAN UNTUK MENUMBUHKAN MINAT BERJALAN TUNADAKSA DI YAYASAN PEMBINAAN ANAK CACAT (YPAC) PANGKAL PINANG Ariksa, Jeri; Setiawan, Yudi; Wijianti, Eka Sari; Saparin, Saparin; Darmawan, Budi
Dharma Pengabdian Perguruan Tinggi (DEPATI) Vol 3 No 2 (2023): November 2023
Publisher : Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/depati.v3i2.4489

SLB YPAC Pangkal Pinang is one of the schools that provides educational services for children with special needs. This community service departs from the visit of the University of Bangka Belitung to YPAC Pangkal Pinang, In the meeting, there were several things that were of concern as an effort to create collaboration in the development of education for children with special needs. To the Collaboration of UBB and YPAC, at this time we from Mechanical Engineering will focus on children with disabilities, currently our partners from the Foundation for the Education of Disabled Children complain about the absence of tools for children with disabilities, the results of our interview with the chairman of YPAC Pangkal Pinang that children with disabilities will be better if given a tool for them to practice walking, so that they can immediately feel the sensation of walking like humans in general even though it uses aids. Currently we have succeeded in making a walker for children with disabilities and can be utilized by YPAC Pangkal Pinang. The tool can function as it should and we make the tool more flexible to be used by several children of different ages.

MODERNISASI PENGOLAHAN PAKAN BEBEK DENGAN MESIN PENGADUK DI PETERNAKAN TARET JAYA DESA AIR ANYIR KABUPATEN BANGKA Saparin, Saparin; Wijianti, Eka Sari; Setiawan, Yudi; Suhdi, Suhdi; Rodiawan, Rodiawan; Ariksa, Jeri
Dharma Pengabdian Perguruan Tinggi (DEPATI) Vol 4 No 1 (2024): Mei 2024
Publisher : Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/depati.v4i1.5185

Breeding ducks has several advantages, including: 1) the stages of raising ducks are easier; growth period; 2) duck growth is much faster, need 40 days to harvest; 3) marketing of meat and egg crops is easier; and 4) you can sell other parts to ducks, duck feathers for crafts and their droppings can be used as catfish feed. For laying ducks, their eggs can be harvested when they are 5 to 7 months old. Breeding ducks promises big enough profits that one of the livestock groups "Taret Jaya" has been raising broiler ducks since 2022. The community service partner is the Taret Jaya livestock group, located in Air Anyir village, Merawang sub-district, Bangka Regency. Based on the results of the survey to partner locations, there were several partner problems, including: manual counting of ingredients, limited knowledge of duck feed mixture ingredients, limited knowledge in making duck feed (fermentation process), and the mixing process in making feed was still manual. Currently, partners chop the feed ingredients using machetes and stir the feed ingredients using a hoe. The ingredients that have been stirred are then directly given to the ducks without going through a fermentation process. Through community service at this department level, the service team provides a solution that is offered in the form of a duck feed mixer machine. Mixing time with 50-60 kg of mixed material using a machine is 6 times faster than manually, namely around 5 minutes, compared to manual which takes 30 minutes. The service team has handed over to service partners, among other things: one unit of feed mixing machine, DOD duck seeds, feed making materials, and other supporting equipment for raising livestock. With this machine, partners can increase their livestock productivity.

PENGARUH PENDINGINAN PANEL SURYA TERHADAP EFISIENSI DAYA KELUARAN Ariksa, Jeri; Forestico, Abraham Sahat Salano; Setiawan, Yudi; Saparin, Saparin; Wijianti, Eka Sari
Machine : Jurnal Teknik Mesin Vol 10 No 1 (2024): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v10i1.5055

Solusi pemenuhan energi listrik di daerah pedalaman dapat terselesaikan dengan menggunakan sumber energi terbarukan seperti panel surya yang dapat dibangun pada daerah terpencil dan minim infrastruktur. Penggunaan panel surya sendiri membutuhkan suhu optimal pada 25⁰C, sementara itu pada saat siang hari suhu pada panel surya bisa mencapai 45⁰C suhu optimal tersebut, dengan itu perlu adanya pengoptimalan suhu kerja pada panel surya dengan diberikan pendinginan untuk meningkatkan daya keluaran pada panel surya. Penelitian ini bertujuan untuk mengetahui pengaruh pendinginan pada panel surya yang menggunakan variasi pendinginginan air pada suhu 25-70⁰C. Hasil dari penelitian didapatkan rerata efisiensi pada panel surya yang bersuhu air 60-70°C 11,42,% dengan rerata daya keluaran 19,58W, rerata efisiensi panel surya dengan air bersuhu 25-28°C adalah 12,40% rerata daya keluaran 21,26W dan rerata efisiensi panel surya tanpa air adalah 11,86% dengan rerata daya keluaran 20,34W. Dan untuk pengujian panel surya dengan penambahan pendinginan memberikan pengaruh terhadap daya keluaran dan efisiensi yang dihasilkan oleh panel surya.

Co-Authors Abdi, Muhammad Zainul Adam Zuyyinal Adib Agus Sarwono Ariksa, Jeri Budi Darmawan Budi Santoso Wibowo budi santoso wibowo Filgantara, Yuda Firlya Rosa Forestico, Abraham Sahat Salano Hendra Wisastra Irfan Wahyudi Jeri Ariksa M. Aries Taufiq Mahdi . Mahdi, Mahdi Novriyanda, Novriyanda Nurdiansyah, Rahmat Nurul Habibi Okto Supratman Pengki Pratama Prayogo, Agung Pangestu Randi Randi Rodiawan, Rodiawan Saparin, Saparin Suhdi, Suhdi Teguh Pribadi Yudi Setiawan Yudi Setiawan Yudi Setiawan Yudi Setiawan Yudi Setiawan

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