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All Journal Jurnal Energi Dan Manufaktur Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Karya Pengabdian Teknik Mesin Energy, Materials and Product Design
I.M. Mara
Universitas Mataram,
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Computer Science & IT Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Physics Public Health

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Penyuluhan Pencegahan Bahaya Kebakaran Penggunaan Kompor Gas LPG Rumah Tangga I Made Mara; I Gede Bawa Susana; Ida Bagus Alit; I G.A.K. Chatur Adhi W.A.; Made Wirawan
JURNAL KARYA PENGABDIAN Vol. 5 No. 1 (2023): 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.v5i1.146

Abstract

Rendahnya pemahaman tentang faktor penyebab terjadinya kebocoran gas LPG, kebakaran akibat gas yang bocor serta kualitas dan kondisi peralatan yang baik untuk menghindari bahaya kebakaran sangat diperlukan masyarakat. Solusi yang ditawarkan yaitu penyuluhan mencegah bahaya kebakaran kompor gas LPG rumah tangga. Kegiatan dilakukan di Banjar Gria Hita, Lingkungan Griya Pagutan Indah, Pagutan Barat, Mataram. Hasil kegiatan penyuluhan ini memberikan pemahaman kepada warga tentang komponen pada kompor gas yang dapat menimbulkan bahaya kebakaran. Hasilnya warga menjadi mengetahui dan memahami bahwa tata letak tabung gas yang tidak benar dapat memicu bahaya kebakaran. Selain itu, regulator gas harus selalu dalam kondisi baik sehingga aliran gas menjadi efisien dan mencegah terjadinya kebocoran gas.
Pelatihan Perawatan Kompor LPG Rumah Tangga untuk Pencegahan Bahaya Kebakaran I Gede Bawa Susana; I Made Mara; Ida Bagus Alit; I G.A.K Chatur Adhi W.A.; Made Wirawan
JURNAL KARYA PENGABDIAN Vol. 5 No. 2 (2023): Oktober, Jurnal Karya Pengabdian
Publisher : Jurusan Teknik Mesin FT Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jkp.v5i2.159

Abstract

Peningkatan pemahaman akan keselamatan bekerja khususnya dalam rumah tangga dalam pemakain kompor gas sangat dibutuhkan oleh masyarakat dalam upaya mencegah bahaya kebakaran. Kompor gas sebagai peralatan utama dan sangat dibutuhkan perlu perawatan rutin agar lebih efisien dan nyaman dalam beraktivitas. Salah satu kegiatan dilakukan di Banjar Gria Hita, Lingkungan Gria Pagutan Indah, Pagutan Barat, Mataram. Kegiatan dilakukan melalui pelatihan perawatan kompor gas rumah tangga untuk mencegah terjadinya bahaya kebakaran. Kegiatan pelatihan menghasilkan pemahaman warga akan pentingnya dan cara perawatan kompor gas yang mudah dan murah. Masyarakat menjadi paham dan tahu fungsi burner, selang gas, dan kebersihan badan kompor. Kompor gas yang selalu terjaga kebersihannya dapat meningkatkan efisiensi pemakaian gas, selain mencegah bahaya kebakaran.
PENGARUH PENAMBAHAN LIMBAH CAIRAN JAGUNG  TERHADAP KUALITAS DAN KUANTITAS BIOGAS  DARI KOTORAN SAPI  I Wayan Joniarta; Febrian Purnama; I Made Mara; I Kade Wiratama
Energy, Materials and Product Design Vol. 5 No. 1 (2026): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin dan Industri, Fakultas Teknik, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/empd.v5n1.331-337

Abstract

Biogas is one of the alternative energies that can be utilized to meet fuel energy needs. It originates from the fermentation process of biomass, such as cow dung. This research focuses on producing biogas from cow dung with the addition of corn waste water to determine the influence of adding corn waste water on the quality and quantity of the generated biogas. Treatments were applied by varying the composition of cow dung with corn waste water (A, B, C) and cow dung with water (D) as a control. The successive compositions created were composition A (1:1j), composition B (1:2j), composition C (1:3j), and composition D (1:1a), each repeated three times, and the study was conducted for 30 days. The research results indicate that with the addition of corn waste water, the highest quantity of biogas was obtained in composition A, amounting to 1168.08 cm3, while the lowest quantity was obtained in composition B, totaling 791.21 cm3. Regarding the quality testing of biogas with the addition of corn waste water, the highest quality was observed in composition A at 49.76%, whereas the lowest quality was found in composition B at 23%. However, in composition D, which consists of cow dung biogas with water demonstrated superior quality and quantity, with a quality value of 52.82% and a quantity of 1384.05 cm3. The data obtained suggest that corn waste water may not be as effective as a supplementary material for the mixture of cow dung biogas.
Production and Properties of Alternative Fuels from the Pyrolysis of Used Plastic Bags and Buckets Ida Bagus Alit; I Made Mara
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 10 No. 1 (2026): June 2026 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v10i1.15903

Abstract

This study aims to examine the properties of liquid fuel produced from the pyrolysis of two types of plastic waste: plastic buckets and plastic bags. The pyrolysis method is used to convert plastic waste into fuel oil (BBM) at high temperatures in the absence of oxygen. Experimental results show that 0.736 to 0.863 kg of fuel oil can be obtained from 1 kg of raw material. The color of the resulting fuel oil is influenced by the original color of the plastic material, indicating an effect of the chemical composition on the final product. Physical analysis shows that the density and kinematic viscosity of the fuel oil from plastic buckets are slightly lower than those of the fuel oil from plastic bags. However, both have values close to the characteristics of gasoline. The calorific value of the fuel oil from both types of plastic waste is still lower than that of gasoline and diesel, but sufficiently high for use as an alternative fuel. The ash and lead content in the pyrolysis fuel also remains below the maximum allowable limits for motor vehicle use. Thus, the fuel produced from plastic waste pyrolysis has the potential to be an environmentally friendly and sustainable alternative energy source.
Pengenalan dan Edukasi Postur Kerja Ergonomis pada Aktivitas Menggunakan Gerinda Tangan di Bengkel Mobil Listrik Jurusan Teknik Mesin Universitas Mataram I Gede Bawa Susana; I Gusti Agung Ketut Chatur Adhi Wirya Aryadi; I Wayan Joniarta; I Made Mara; I Ketut Perdana Putra
JURNAL KARYA PENGABDIAN TEKNIK MESIN Vol. 8 No. 1 (2026): 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.v8i1.241

Abstract

Kegiatan pengabdian kepada masyarakat ini dilaksanakan di Bengkel Mobil Listrik Jurusan Teknik Mesin Universitas Mataram dengan tujuan meningkatkan pemahaman dan keterampilan mahasiswa atau operator dalam menerapkan postur kerja ergonomis pada aktivitas penggunaan gerinda tangan. Permasalahan utama yang ditemukan adalah penggunaan postur jongkok atau setengah jongkok saat menggerinda akibat rendahnya posisi benda kerja, yang berpotensi meningkatkan risiko gangguan muskuloskeletal. Metode pelaksanaan kegiatan menggunakan pendekatan edukatif dan partisipatif yang meliputi tahap observasi awal, penyuluhan ergonomi, demonstrasi teknik postur kerja, serta pelatihan praktis. Hasil observasi awal menunjukkan bahwa postur jongkok ditandai dengan fleksi batang tubuh dan leher yang besar serta beban statis pada lutut dan pergelangan kaki. Setelah dilakukan edukasi dan penyesuaian fasilitas kerja sederhana, seperti pengaturan ketinggian benda kerja, peserta mampu beralih ke postur berdiri yang lebih alamiah dan ergonomis. Kegiatan ini menunjukkan bahwa intervensi ergonomi sederhana melalui edukasi dan pelatihan praktis efektif dalam meningkatkan kesadaran, kenyamanan, dan keselamatan kerja pada aktivitas menggerinda di lingkungan bengkel pendidikan.
Co-Authors Anak Agung Alit Triadi ARIF KURNIAWAN Febrian Purnama I G.A.K Chatur Adhi W.A. I Gede Bawa Susana I Gusti Agung Ketut Chatur Adhi Wirya Aryadi I Kade Wiratama I Ketut Perdana Putra I Made Adi Sayoga I Made Nuarsa I Made Nuarsa I Wayan Joniarta I.B. Alit I.M. Nuarsa I.M. Nuarsa I.M.A. Sayoga Ida Bagus Alit M. Mirmanto, M. Made Wijana Made Wirawan Made Wirawan Syamsul Ph.D M.A. Hadi Towilan Ma’bud Tri Rachmanto