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All Journal Jurnal Teknik Mesin Agrointek Rekayasa Mesin Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin Machine : Jurnal Teknik Mesin Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Logic : Jurnal Rancang Bangun dan Teknologi Jurnal Riset Teknologi Industri Jurnal Pendidikan Teknik Mesin Undiksha Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Karya Pengabdian Teknik Mesin Jurnal Pepadu Energy, Materials and Product design Jurnal Pendidikan Teknik Mesin

I Gede Bawa Susana

Universitas Mataram

Author-ID : 395543

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences

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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

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

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.

Penyuluhan Potensi Kotoran Ayam Petelur Menjadi Biogas untuk Konsumsi Keluarga Kecil di Desa Suranadi Kabupaten Lombok Barat PERDANA PUTRA, I KETUT; SUSANA, I GEDE BAWA; JONIARTA, I WAYAN; CATUR ADHI , I GUSTI AGUNG KETUT; SRI ADNYANI, IDA AYU
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.v6i2.195

Kotoran ayam merupakan salah satu limbah peternakan yang memiliki potensi besar sebagai sumber energi terbarukan melalui produksi biogas. Penggunaan teknologi biogas dari kotoran ayam tidak hanya dapat mengurangi ketergantungan pada sumber energi fosil, tetapi juga mengatasi masalah limbah peternakan. Penyuluhan ini dilakukan untuk memberi pemahaman kepada peternak tentang potensi limbah kotoran ayam petelur untuk dijadikan biogas. Kotoran ayam sebanyak 1 kg dapat menghasilkan 0,03m3 biogas. Pada lokasi mitra peternak memelihara 1000 ekor ayam petelur. Setiap satu ekor ayam rata-rata menghasilkan 0,1kg kotoran dalam sehari. Hal ini berarti dalam sehari dapat dihasilkan 100kg kotoran ayam dalam sehari. Dari jumlah kotoran ayam itu dapat dihasilkan 3 kg biogas perhari. Jumlah ini sangat mencukupi untuk keluarga sederhana di pedesaan. Secara keseluruhan, potensi kotoran ayam sebagai sumber energi biogas adalah sebuah peluang yang menjanjikan untuk meningkatkan kemandirian energi di pedesaan, mengurangi dampak lingkungan dari sektor peternakan, dan mendorong pertumbuhan ekonomi yang berkelanjutan. Implementasi yang tepat dan dukungan yang memadai dapat menjadikan teknologi ini sebagai bagian integral dari strategi energi terbarukan di masa depan. Dari hasil tanya jawab setelah dilakukan penyuluhan peternak ayam petelur sangat antusias terhadap adanya teknologi pemanfaatan kotoran ayam sebagai sumber biogas. Namun demikian pembuatan infrastruktur biogas memerlukan investasi yang cukup besar. Kata Kunci: kotoran ayam, biogas, energi terbarukan.

Peningkatan kinerja pompa hidram berdasarkan posisi tabung kompresor dengan saluran keluar di bawah tabung kompresor Susana, I Gede Bawa; Sutanto, Rudy
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 6, No 2 (2016): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Hydraulic ram pump is operated without fuel and only rely on the height difference of the water source. tube compressor serves to continue the flow of water and increase the pressure in the hydraulic ram pump. To improve the performance of the hydraulic ram pump, experiment with variable position of the tube compressor has been done. The tube compressor is placed on the side of the valve after intake and waste, as well as with an outlet at the bottom of the tube compressor. The experiments were performed on the flow of water from a height of 2.1 m, 2.6 m, 3.1 m, 3.6 m and 4.1 m. The test results showed that the position of the tube compressor affect the performance of the hydraulic ram pump. Tube compressor is placed after the input side and the waste valve has a value greater than the tube compressor that is placed between the input and exhaust valves. The volumetric flow rate output, maximum head, suction force, and the largest thrust force obtained at a height of 4.1 m with the results of each 0.121 l / sec; 16 m; 156.499 N; and 89.48 N. While the largest pump efficiency obtained at a height of 3.1 m waterfall which is 2.618%.

Simulasi pemasangan sebuah model kerugian minor perubahan penampang di konektor loop mesin termoakustik Nurpatria, N.; Mirmanto, M.; Joniarta, I.W.; Padang, Y.A.; Susana, I.G.B.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 13, No 1 (2023): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v13i1.626

A custom-designed thermoacoustic engine model has been created with the open source Delta EC simulation software. The specific design of the engine lies in the part of the heat exchanger, which allows it to receive heat from the hot gas stream resulting from the combustion of low grade biomass directly. The engine model can be coupled with a loudspeaker model that functions as a liner alternator, resulting in a simple power generator engine model. In this study, further simulations were carried out to increase the total efficiency of converting heat energy into electricity from the previous model. After that a model of minor loss of cross-sectional change was also added to the model. In a certain set of engine model parameter values without minor losses, the efficiency of converting heat energy to acoustic energy is 12.76%, equivalent to the amplification of acoustic energy by a regenerator of 33.26 W. The total efficiency of the engine model in converting heat energy into electrical energy is 10.53%. After the addition of a sub-program of minor losses due to the effect of one conical segment, there was an acoustic energy loss of 0.11 W. So that the efficiency of converting heat energy to acoustic energy was reduced by 0.01% to 12.75%. As a result, relatively small change occur in the total efficiency of the engine model.

Pengeringan biji jagung menggunakan pengkondisi udara Mulyanto, A.; Mirmanto, M.; Susana, I.G.B.; Alit, I.B.; Nuarsa, I.M.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 9, No 1 (2019): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

This study aims to determine the effect of air velocity on the rate of drying corn. Corn seeds were placed after the evaporator of an air conditioner, so that the air came out of the evaporator entered the drying chamber. The water in the corn was evaporated and sucked by dry cold air and then it was condensed in the evaporator. The results show that the mass of corn seeds decreases with the time; the drying rate also decreases with the time and mass-based drying rates at low air speeds are faster than at high air speed. The air conditioner can be used for drying seeds.

RANCANGAN RUANG PENGERING BERBASIS ERGONOMI MENURUNKAN KELUHAN MUSKULOSKELETAL PERAJIN IKAN Susana, I Gede Bawa
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

With traditional fish drying process, most possible can cause an unhealthy working posture , such as a squatting action. As a consequence , worker will suffer a musculoskeletal disorders because of not ergonomic tools and bad working posture. Without ergonomics working procedures was found that the average of musculoskeletal complaints after working is 52.25 ± 1.03. To solve this ccomplaints, a drying chamber based ergonomics design was built in order to reduce musculoskeletal disorders. Dimensions of the drying chamber were based on anthropometric data of fish craftsmen and the material of drying chamber was by the participatory method. Test was performed on 20 samples and the result showed that the mean rate of musculoskeletal complaints after working is 38.30 ± 1.30. The ergonomic based design for drying camber application can reduce the musculoskeletal complaints up to 26.7%.

Kinerja pengering satu tungku penukar panas dengan energi sekam padi untuk mengeringkan pisang menggantikan pengeringan langsung matahari Alit, I.B.; Susana, I.G.B.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 14, No 1 (2024): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v14i1.817

The banana drying process for small farmers only uses the sun due to technological and cost limitations. The weakness of drying products is that they are very dependent on the weather. An alternative is to use a rice husk energy dryer because it is cheap and easy to obtain. The method involves converting rice husks into thermal utilizing a heat exchanger. The heat exchanger transfers heat from burning the husk to the drying chamber. Research was conducted to compare the temperature and drying time between sun drying and rice husk dryers. Apart from that, to determine the dryer's performance for drying bananas for a small-scale farmer. As a result, the rice husk energy dryer provides a shorter time than drying under the sun. To reduce the water content from 72% to a maximum of 40%, the time required for a rice husk energy dryer is 300 minutes, and 660 minutes for sun drying. The resulting temperature averages 55.11oC, while sun drying averages 29.02oC. In addition, the rice husk energy dryer produces a drying efficiency of 44.15%, which occurs at the beginning of drying and ends at 4.61%. This is a result of the high initial moisture content. During drying, the water content of the material evaporates, which impacts the energy absorption process by the banana from the dryer. The drying rate also followed this pattern: at the beginning, it was highest at 5.93 g/minute, and at the end, it was the lowest at 0.1 g/minute.

Uji performance turbin Savonius dengan penambahan konsentrator pada aliran air Alit, I.B.; Mara, I.M.; Susana, I.G.B.; Sapri, S.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 9, No 1 (2019): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Utilization of water energy is essentially using potential energy and kinetic energy, kinetic energy flow of water which is a transformation of gravitational potential energy is used to drive turbines or waterwheels, Savonius turbine has a good Self Starting so it can rotate the rotor even though the fluid speed is low, the same thing the speed of the water flow has a low speed. The purpose of this research is to know the influence of the number of blades on rotation of rotor (n), Torque (T), Rotor power (P), Coefficient of performance (CP), Efficiency system (ɳs), in this study the number of blades used are 2 blades, 3 blades and blades, the blades are then tested without the use of concentrator and by the addition of concentrator. The results of this study indicate that the turbine without concentrator or by using the addition of concentrator obtained the best performance on the number of blade 3 with average CP of 0.12 and 0.13 efficiency system of 9.83% and 11.75% then with the number of blades 2 with CP averaging of 0.10 and 0.11 of efficiency system of 8.73% and 11.00% and the number of 4 blades with CP averaged 0.06 and 0.07 and efficiency system of 3.91% and 4.76%. Using the addition of concentrator may increase the performance of the turbine in water flow savonius seen from the increasing value of CP and system efficiency at each number of blades tested.

Evaluation of the temperature of the rotary dryer with LPG fuel in drying cherry coffee Alit, I.B.; Susana, I.G.B.; Adhi, I.G.A.K.C.; Mulyanto, A.
Dinamika Teknik Mesin Vol 15, No 1 (2025): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v15i1.968

Utilization of rotary dryers with liquefied petroleum gas (LPG) energy sources as an alternative to solar drying, which is highly dependent on the weather. This dryer is applied to small farmers to dry cherry coffee. The results of the study showed that the drying temperature reached an average of 63.92oC to dry a sample of 10 kg of cherry coffee. From testing, this sample still produced a reasonably high outlet temperature of the drying chamber, which was an average of 62.07oC. From this condition, it is possible to increase the amount of cherry coffee to be dried, and further testing is needed. LPG-based rotary dryers are very easy for small farmers. The drying process can be carried out all the time because it does not depend on the weather. In addition, LPG in Indonesia for small farmers is still subsidized, so it is economically affordable. The shorter drying time than solar drying allows small farmers to carry out their production process sustainably. In 20 hours of testing, it was able to reduce the moisture content from 62.84% to 9.95%.

Co-Authors A. Mulyanto Achmad Zainuri Adhi W.A., I G.A.K. Chatur Adhi, I G.A.K.C. Adhi, I.G.A.K.C. Agus Dwi Catur Alit Triadi, Anak Agung Aryadi, I G.A.K. Chatur Adhi Wirya CATUR ADHI , I GUSTI AGUNG KETUT Chatur Adi.W.A, I.G.A.K Emmy dyah S I G.A.K Chatur Adhi W.A. I G.A.K. Chatur Adi W.A. I G.A.K.C. Adhi I Gede Santosa I Gusti Agung Ketut Chatur Adhi Wirya Aryadi I Ketut Perdana Putra I Ketut Wiryajati I Made Adi Sayoga I Made Mara I Made Suartika I Wayan Joniarta I. B. Alit I. B. Alit I. M. Mara I.B Alit I.B. Alit, I.B. I.D.K. Okariawan I.M Mara I.M. Mara I.M. Nuarsa Ida Ayu Sri Adnyani Ida Bagus Alit Kawirian, Wisnu M. Mirmanto, M. Made Wijana Made Wirawan Made Wirawan Made Wirawan Made Wirawan, Made Maharsa Pradityatama Mara, I.M. Mas'ud Mas'ud N. Nurpatria, N. Nuarsa, I.M. Padang, Y.A. Perdana Putra, I Ketut Putra, Gilang Ade Putra, I Ketut Perdana R. Sutanto Rudy Sutanto S. Sujita Sapri, S. Sinarep Sinarep Sugiman Sugiman Sujita Darmo Sujita Sujita Sujita Sujita Sujita, Sujita Sultan Sultan Wirya Aryadi, I Gusti Agung Ketut Chatur Adhi Yesung Allo Padang

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