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All Journal Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Agrointek Rekayasa Mesin Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin Machine : Jurnal Teknik Mesin Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) The Indonesian Journal of Infectious Diseases Jurnal Pengabdian Magister Pendidikan IPA Jurnal Riset Teknologi Industri Jurnal Abdi Insani Jurnal Pendidikan Teknik Mesin Undiksha MACHINERY: Jurnal Teknologi Terapan Jurnal Bakti Nusa Jurnal Karya Pengabdian Teknik Mesin Jurnal Pepadu Energy, Materials and Product design
Ida Bagus Alit
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Pemanfaatan Alat Pengupas Kulit Kopi untuk Membantu Kerja Manual Petani Kopi di Dusun Selelos, Kecamatan Gangga Lombok Utara Ida Bagus Alit; I Gede Bawa Susana; Emmy Dyah S; Rudy Sutanto; Maharsa Pradityatama
JURNAL KARYA PENGABDIAN Vol. 6 No. 1 (2024): April, Jurnal Karya Pengabdian
Publisher : Jurusan Teknik Mesin FT Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jkp.v6i1.165

Abstract

The use of smallholder plantation land in the North Lombok district is seen from the types of plants carried out by agricultural or plantation groups consisting of coconut plantations with an area of 10,574.62 tons and a production yield of 11,397.08 tons. Coffee plants with a planting area 1,315.57 with a production yield of 780.46 tons. Specifically for coffee plantations, farmers usually only process post-harvest through drying, after which they are immediately sold. To increase the selling value, it is necessary to utilise technological results such as using a coffee skin peeler. This tool helps increase the productivity of coffee farmers. The dedication will be carried out in Selelos Hamlet, Gangga sub-district, North Lombok district. The implementation of this service program includes making a coffee peeler, presentation, and counselling on using the tool, along with demonstrations. As a result, the coffee skin peeler has a production capacity of 100 kg per hour. The quality of the coffee beans produced is clean and free of impurities. The productivity of using a coffee skin peeler machine is greater and shorter when compared to the manual process.
EVALUASI ALAT PENGADUK DODOL NANGKA SKALA RUMAH TANGGA BERDASARKAN PRINSIP ERGO-EKONOMI : EVALUATION OF HOUSEHOLD SCALE JACKFRUIT DODOL MIXER TOOL BASED ON ERGO-ECONOMIC PRINCIPLES I Gede Bawa Susana; Ida Bagus Alit
Energy, Materials and Product Design Vol. 3 No. 2 (2024): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The use of manual tools in the process of stirring jackfruit dodol tends to have an impact on high workload, fatigue, and complaints from workers. The stirring process requires a lot of energy to get perfectly cooked dodol. In addition, manual tools take a long time, and the product needs to be evenly cooked, leaving a crust on the dodol stirring pan. To overcome this, an automatic stirring tool is needed at an affordable cost. Workers' participation as users is required so that the tools used match workers' wishes. Ergo-economic applications are necessary to meet workers' desires: comfort and affordable costs. From the evaluation carried out, it was found that the automatic stirring tool only requires a little energy because a machine does the stirring. This impacts the workload, fatigue, and complaints automatically decreasing when compared to using a manual stirring tool. Economically, the use of an automatic stirring tool provides benefits for dodol entrepreneurs after the 2.4th month. This is based on the investment value of the automatic stirring machine. The ROI (Return on Investment) level is 170.216%. This stirring machine is more effective because the stirring results are more even and do not cause crust on the container. Worker performance can be improved by applying ergo-economics based on preventive measures against behaviors that can potentially cause injury in the workplace. Workers are the main asset or economic resource in the industry, and ergonomics and economics are interrelated with ergonomics, which can create better working conditions, producing a better economy.
Desain Kandang Sapi Tepat Guna Berdasarkan Metode Ergonomi Participatory Bawa Susana, I Gede; Perdana Putra, I Ketut; Joniarta, I Wayan; Chatur Adi.W.A, I.G.A.K; Alit, Ida Bagus
JURNAL KARYA PENGABDIAN Vol. 6 No. 2 (2024): ,Oktober
Publisher : Jurusan Teknik Mesin FT Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jkp.v6i2.191

Abstract

Metode ergonomi participatory sebagai sarana untuk menserasikan alat kerja atau stasiun kerja dengan pekerja dalam hal ini peternak sapi. Kandang sapi didesain berdasarkan masukan atau partisipasi dari pengguna atau peternak. Hal ini bertujuan agar aplikasi di lapangan tidak menimbulkan masalah baru bagi peternak maupun pekerja. Material kandang mudah diperoleh dan tersedia di sekitar tempat tinggal peternak agar harga lebih terjangkau. Hal-hal yang dibutuhkan dalam pembuatan kandang sapi meliputi kondisi lingkungan yaitu suhu yang berhubungan dengan daerah dataran tinggi atau rendah. Selain itu, kandang sapi selalu dalam keadaan bersih dengan adanya selokan dan penampungan kotoran, serta adanya jalur pendistribusian pakan. Dimensi ideal untuk kandang sapi lokal adalah 2,1 m x 1,45 m dan kandang sapi impor adalah 2,1 m x 1,5 m. Dinding kandang dibuat dengan tinggi sekitar 0,5-1 m dari permukaan lantai dan dilengkapi dengan pagar atau sekat yang lebih tinggi dari bahu sapi saat berdiri. Arah kandang berdasarkan kepala sapi berpengaruh terhadap pertumbuhan bobot badan sapi. Untuk kandang tunggal bagian kepala sapi menghadap ke timur dan kandang ganda membujur utara-selatan.
Analisa Kualitas dan Kuantitas Biogas dari Kotoran Ternak Mara, Made; Alit, Ida Bagus
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 1, No 2 (2011): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (189.337 KB)

Abstract

Our life is completely dependent on a reliable and adequate supply of energy. In other to reduce dependence on fossil fuels, the use of animal dung in producing a renewable alternative source of energy has been proved using cow dung. Concerns over the environment and the rising costs for energy and waste water treatment have caused a resurgence of interest in anaerobic treatment and subsequent use of the biogas produced during this treatment of organic wastes as fuel. Biogas from manure wastes has become a potential renewable energy source for both domestic and commercial usage especially in West Nusa Tenggara. This study aims to investagate the quality and quantity of biogas produced from animal dung. The Cows, buffaloes and horses dung were used in this research using anaerobic biotank proses. The animal dungs were digested in ambient temperature and the water composition of degester was also analysed. The result shows that total volume of biogas produced by horse dung is 577.735 liters, and then cow dung is 373.839 liters, and the smallest production generated by buffalo dung which is 352.975 liters. Moreover, biogas from horse dungs generated the highest power of combustion, followed by cow dung, and buffalo dung, 732,425 watt, 556,521 watt 539,759 watt resfectively.
PENGARUH ABSORSI GAS CO2 DAN H2S DALAM BIOGAS MENGGUNAKAN PASTA BATU APUNG TERHADAP PENINGKATAN UNJUK KERJA MOTOR BAKAR Sutanto, Rudy; Alit, Ida Bagus; Rezeki, Gilang
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 6, No 1 (2016): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (226.686 KB) | DOI: 10.29303/dtm.v6i1.23

Abstract

Human dependence on fossil fuels cause the reserves of energy resources is increasingly reduced. To overcome these problems is urgently needed alternative fuels which are cheap and readily available, one alternative fuel is biogas. However, the use of biogas not yet maximized because of low heating value of the biogas produced from the process without purification. Premium fueled vehicle proved to be turned on using biogas. Tests conducted on the variation of the engine rotation of 1500, 2500, 3500, and 4500 rpm and variations of biogas that has been purified using the paste pumice stone with a variation of the flow rate of purification of  2 liters / minute, 6 liter / minute, and 10 liters / minute. In this test should be able to get the best performance in terms of fineness engine rotation (force braking and fuel consumption). From the test results with the variation of rotation and flow rate variations purification of biogas obtained performance of the motor fuel of the best on rotation 4500 rpm with a flow rate of fuel biogas purification of 2 liters / minute produces a torque value of 6.98 Nm and an effective power of 3288.09 Watt while the value SFCE by 0.33 Liter / Jam.Watt. This proves that, biogas purification using paste pumice stone is able to improve quality of biogas.
ANALISA UNJUK KERJA MOTOR BAKAR BERBAHAN BAKAR BIOGAS TERMURNIKAN BERBASIS ABSORBER Fe2O3 Sutanto, Rudy; Alit, Ida Bagus; Nurchayati, N.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 4, No 2 (2014): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (168.439 KB) | DOI: 10.29303/dtm.v4i2.56

Abstract

Long-term aim of this research is to obtain a biogas what the renewable natural gas quality and can be used to fuel an electric generator to support the availability of electricity in the region of small islands. Specific targets to be achieved is to determine whether the binding of H2S in biogas can raise engine peformance of the machine, information technology and the active materials so comprehensive to absorb hydrogen sulfide gas as materials of the textbook writing and articles for national journals. This research will be conducted a biogas testing in the engine performance, seen from the engine rotation (1500, 2500, 3500 and 4500 rpm) of the electric power generated and subtlety spin machine (braking force, fuel consumption) in both the before purified biogas and biogas has been purified. Results of the research that has been conducted in both the before purified biogas and biogas has been purified on peformance engine that does not change significantly for the better performance of the engine torque, effective power and fuel consumption (biogas) to treat a wide variety. Effect of reduction of H2S contained in the biogas no significant effect on engine performance but are more inclined towards corrosive metal material. Keywords: biogas, performance, torque, effective power
ANALISA PENGARUH VARIASI BENTUK ABSORBER PADA ALAT DESTILASI AIR LAUT TERHADAP KENAIKAN SUHU AIR DALAM RUANG PEMANAS DAN JUMLAH PENGUAPAN AIR YANG DIHASILKAN Mukaddim, Aldi; Wirawan, Made; Alit, Ida Bagus
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 3, No 2 (2013): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (468.805 KB)

Abstract

Clean water is a requirements of very important human life. Indonesia is a maritime country that has many islands surrounded by ocean, had a decreased clean water problem. One of the method to be used for obtain clean water is sea water distillation process. One of the most important tools is absorber distillation. occurs heat transfer from the absorber to the sea water causing, rising sea temperatures cause sea water to evaporate. The rising temperature of the sea water increases the amount of evaporation that occurs. The more the amount of evaporation generated will increase the number of fresh water produced. Increased seawater temperatures by increasing the temperature absorber, so it needs to be analyzed shape of the absorber which one can be produce more clean water than the others, a conclusion of the study indicated that solar distillation plat shape with a huge wave absorber produces more clean water than the others , the average amount of water that is more of 908 ml, compared with a small wave absorber plate only produce 764.4 ml  average a day and a flat plate absorber only produce 599 ml average a day, it is not independent of heat absorption by absorber, solar distillation plat shape with a huge wave absorber absorbs more heat than the other two absorber plates, this has resulted in solar distillation  shape with a huge wave  absorber plate  very well produce more water than the otehrs. 
Bahan Bakar dari Limbah Ban Dan Plastik dengan Metode Pirolisis: Fuel from Waste Tires and Plastic Using the Pyrolysis Method Ida Bagus Alit; I Made Mara
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 13 No. 1 (2025)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v13i1.83758

Abstract

Tujuan penelitian ini adalah untuk menghasilkan bahan bakar alternatif dari limbah karet dan plastik. Limbah karet yang digunakan adalah ban motor sedangkan limbah plastik yang dipakai adalah botol minuman air mineral. Metode yang digunakan untuk mengkonversi bahan tersebut adalah metode pirolisis. Bahan bakar hasil pirolisis kemudian diuji sifat fisik dan kimia yang meliputi densitas, viskositas kinematis, nilai kalor, kandungan abu dan kandungan belerang. Konversi limbah plastik menghasilkan lebih banyak bahan bakar dari pada konversi limbah karet. Densitas minyak pirolisis limbah ban lebih mendekati bahan bakar Diesel, sementara densitas minyak pirolisis plastik lebih mendekati bahan bakar bensin. Nilai kalor minyak pirolisis yang dihasilkan diatas 40 Mj/kg. kandungan abu dan timbal minyak pirolisis plastik berada dibawah batas maksimal bahan bakar Diesel maupun bensin.
Thermal Performance of LPG Stove as Heat Source of Rotary Dryer for Drying Corn for Small Farmers Ida Bagus Alit; I Gede Bawa Susana
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 14, No 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.537-546

Abstract

Sunlight to dry post-harvest food materials such as corn highly depends on the weather. When it is cloudy or rainy, drying automatically stops. On the other hand, biomass dryer models such as rice husks are rather difficult to regulate the drying temperature. This study aims to create a dryer model that produces uniform temperatures and is easy for small farmers to operate. It is a rotary dryer with liquefied petroleum gas (LPG) energy. This study tested a small-scale rotary dryer based on drying time to reduce water content by up to 14%. The test used corn samples weighing 10 kg, 15 kg, and 20 kg with a water content of 18%. Testing to reduce water content to 14% is based on the Indonesian National Standard. The results showed that corn samples weighing 10 kg, 15 kg, and 20 kg required time and LPG requirements of 37 minutes and 0.092 kg, 52 minutes and 0.132 kg, and 90 minutes and 0.281 kg, respectively. The drying temperatures were 54.67°C, 55.96°C, and 57.63°C, respectively. Rotary dryers are useful for small farmers in developing areas who do not yet understand the technology. The short drying time allows this dryer machine to repeatedly dry corn. Keywords: Rotary dryer, Liquefied petroleum gas, Corn drying, Drying rate.
PELATIHAN PRODUKSI UNTUK MENGOPTIMALKAN USAHA KECIL KERIPIK PANGSIT DI DESA LENDANG NANGKA Bawa Susana, I Gede; Wiryajati, I Ketut; Adhi W.A., I G.A.K. Chatur; Perdana Putra, I Ketut; Alit, Ida Bagus
Jurnal Pepadu Vol 6 No 1 (2025): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v6i1.6294

Abstract

Economic development in the dumpling chips business requires cooperation from the community and related agencies. One of the efforts made by the community service team is training in pangsit chip production. This is necessary because small businesses in Lendang Nangka Village face various challenges in developing their businesses. Production is still carried out traditionally, which has an impact on the lack of uniformity in product quality. One of the main challenges is the limited knowledge and skills needed to produce quality and consistent products. The purpose of Community Service is to strengthen small entrepreneurs in Lendang Nangka Village by improving production skills so that they can make good quality and consistent products. The activity method through training carried out by the Community Service Team and the Cooperatives and SMEs Service, covers aspects of improving technical skills in the production process. Through the production process, training is provided on how to enhance the quality of the product through the use of better techniques and raw materials. The results of community service give an understanding and skills related to pangsit chips raw materials and how to print, fry, dry, and package products. This can be used as a guideline to ensure that the pangsit chips produced are of good quality and can be stored properly. By overcoming existing challenges and utilizing existing opportunities, this program is expected to have a positive impact on regional economic development. Some things related to packaging are new knowledge for pangsit chip artisans. Pangsit chips artisans are interested in using packaging other than plastic to maintain product quality and use packaging for various sizes of their products.
Co-Authors Achmad Zainuri Adhi W.A., I G.A.K. Chatur agus dwi catur Aldi Mukaddim, Aldi Anggani, Yudi Arif Mulyanto Chatur Adi.W.A, I.G.A.K Didit Yudhanto Dyah S., Emmy Emmy dyah S Eustachius Hagni Wardoyo Gede Wira Buanayuda Gilang Rezeki, Gilang I G.A.K Chatur Adhi W.A. I Gede Bawa Susana I Gede Bawa Susana I Kade Wiratama I Ketut Junitha I Ketut Wiryajati I Made Adi Sayoga I Made Adi Sayoga I Made Mara I Made Nuarsa I Made Nuarsa I Made Nuarsa, I Made I Made Suartika I Wayan Joniarta I.D.K. Okariawan I.M Mara I.M. Mara I.M. Nuarsa Ida Ayu Eka Widiastuti Irwan Humaidi Irwan Humaidi, Irwan M. Mirmanto, M. Made Mara, Made Made Wirawan Made Wirawan made wirawan Made Wirawan, Made Maharsa Pradityatama Mas'ud Mas'ud Monalisa Nasrul N. Nurchayati, N. Nur Kaliwantoro Nur Kaliwantoro Pandri Pandiatmi Perdana Putra, I Ketut Prima Belia Fathana Putu Aditya Wiguna Putu Aditya Wiguna Rifana Cholidah Rudi Sutanto, Rudi Rudy Sutanto Sinarep Siti Rahmatul Aini Srikus Saptaningtyas, Rini Sujita Darmo Sujita Darmo Sujita Darmo Sujita Sujita Sujita Sujita Sujita, Sujita Sultan Sultan Syahrul Yesung Allo Padang Yudhyadi, I Gusti Ngurah Ketut Zainuri Achmad