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Sistem Pompa Listrik Tenaga Surya Untuk Irigasi Lahan Pertanian Masyarakat Cepu Yuliatin, Umi; Handoko, Susilo; Nurin Hamdani, Chaldia; Widiyanto, Totok
Jurnal Pengabdian Masyarakat Sains Indonesia Vol. 5 No. 2 (2023)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmsi.v5i2.252

Indonesia merupakan negara agraris yang mempunyai wilayah pertanian yang luas. Daerah kecamatan Cepu, Blora adalah salah satu wilayah dengan lahan kelola perhutani yang cukup luas dan belum dimanfaatkan secara maksimal. Dalam pengelolaan lahan pertanian ini air merupakan kebutuhan yang utama dalam mengelola lahan pertanian. Sedangkan kontur tanah di wilayah cepu tidak menjamin tersedianya air di setiap lahan . sehingga masyarakat dihadaoka pada masalah ketersediaan air yang tidak konsisten. Solusi kebutuhan ini dibutuhkan sistem irigasi yang baik saat terjadi musim hujan maupun kemarau. Secara konvensional pengunaan diesel pompa air dengan bahan bakar minyak untuk sistem irigasi pertanian diperlukan biaya mahal dan tidak efektif. Pemanfaatan tenaga surya untuk pompa air merupakan salah satu alternatif solusi yang handal, hemat, efektif dan efisien untuk menjaga sistem irigasi tetap berjalan dengan baik saat musim kemarau. Pada pengabdian ini telah berhasil diimplementasikan penggunaan pompa dengan beban 125 watt yang mampu beroprasi 8 jam perhari dengan listrik tenaga surya 500 WP. Panel surya ini mampu menghasilkan daya listrik 2000 watt dengan asumsi waktu efektif 4 jam terpapar matahari penuh. Dalam keadaan tidak ada sinar matahari, dengan daya yang dimiliki pompa mampu bisa dioperasikan 14,4 jam atau sekitar 2 hari.

Workshop and Certification of Oil and Gas Occupational Safety And Health Operators As An Implementation of Safety Culture Among High School Students In Dumai City Sulistiyo Nugroho, Budi; Farid, Farid Alfalaki Hamid; Annasit, Annasit; Handoko, Susilo; Indriani, Erdila; Kusuma Dewi, Astrie; Akrom, Hanifa; Wahyu Warningsih, Sri; Sekarwati, Diah
International Journal Of Community Service Vol. 4 No. 4 (2024): November 2024 (Indonesia - Thailand - Malaysia)
Publisher : CV. Inara

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

Oil and Gas Occupational Safety and Health (OSH) has strict requirements in its application to support the safety of workers, including standardisation of equipment, personnel, general oil and gas installation policies and work procedures so that oil and gas agencies or companies can operate reliably and safely. A small mistake or negligence is a failure to comply with safety requirements, which can be fatal and cause severe disasters to the company and the surrounding community. The main factor of work accidents that often occur is human or worker negligence or carelessness due to lack of knowledge. Dumai City became a 'pearl' on the East Coast of Sumatra and earned the nickname 'Oil City’ which produces various raw materials such as petroleum, natural gas, palm oil, and coconut oil; knowledge of OSH behaviour should be instilled from childhood so that the Workshop and Certification of Oil and Gas OSH Operators to SMA / K Students as the First Step in Implementing OHS Culture in the Dumai City School Environment to equip people with knowledge and expertise in the field of Oil and Gas OSH. Prevent work accidents and support and improve the K3 culture. The workshop was held from 1 to 5 March 2024, while the Oil and Gas OSH Certification exam for operator level was in collaboration with LSP PPSDM Migas for the STTK exam on 27-28 August 2024. Fifty participants attended the certification, and 31 participants were declared competent.

Sistem Pompa Listrik Tenaga Surya Untuk Irigasi Lahan Pertanian Masyarakat Cepu Yuliatin, Umi; Handoko, Susilo; Nurin Hamdani, Chaldia; Widiyanto, Totok
Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Vol. 5 No. 2 (2023)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmsi.v5i2.252

Indonesia merupakan negara agraris yang mempunyai wilayah pertanian yang luas. Daerah kecamatan Cepu, Blora adalah salah satu wilayah dengan lahan kelola perhutani yang cukup luas dan belum dimanfaatkan secara maksimal. Dalam pengelolaan lahan pertanian ini air merupakan kebutuhan yang utama dalam mengelola lahan pertanian. Sedangkan kontur tanah di wilayah cepu tidak menjamin tersedianya air di setiap lahan . sehingga masyarakat dihadaoka pada masalah ketersediaan air yang tidak konsisten. Solusi kebutuhan ini dibutuhkan sistem irigasi yang baik saat terjadi musim hujan maupun kemarau. Secara konvensional pengunaan diesel pompa air dengan bahan bakar minyak untuk sistem irigasi pertanian diperlukan biaya mahal dan tidak efektif. Pemanfaatan tenaga surya untuk pompa air merupakan salah satu alternatif solusi yang handal, hemat, efektif dan efisien untuk menjaga sistem irigasi tetap berjalan dengan baik saat musim kemarau. Pada pengabdian ini telah berhasil diimplementasikan penggunaan pompa dengan beban 125 watt yang mampu beroprasi 8 jam perhari dengan listrik tenaga surya 500 WP. Panel surya ini mampu menghasilkan daya listrik 2000 watt dengan asumsi waktu efektif 4 jam terpapar matahari penuh. Dalam keadaan tidak ada sinar matahari, dengan daya yang dimiliki pompa mampu bisa dioperasikan 14,4 jam atau sekitar 2 hari.

Perancangan Ulang Poros, Pasak, Kopling, dan Bearing Pompa Sentrifugal 5,5 kW/1450 RPM Berbasis Keandalan dan Validasi Meilani, Rezki; Handoko, Susilo
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 4 (2025): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i4.50856

This paper addresses a common gap in pump transmission design that relies on “allowable stress + safety factor.” This paper redesign a complete shaft key coupling bearing train of a 5.5 kW/1450 rpm centrifugal pump using a reliability based framework. A field case uses nameplate data and dimensional measurements. Methods include ASME/DE von Mises formulation for combined bending torsion, stress concentration factors for keyseat/fillet, consistent torque path sizing of key and flange coupling, and bearing L10 life per ISO 281. All calculations use SI units with ±5–10% uncertainty propagation. Results show an S40C shaft ds≈33.3 mm, a 10×8×15 mm key, a flange coupling passing shear/crushing checks, and an angular contact bearing meeting a 20–40 kh life target, sensitivity highlights Kt and equivalent bearing load as dominant drivers. This paper recommend as a design for reliability guide for maintenance friendly pump trains in SME/utility settings, complemented by targeted vibration tests.

Optimization Of Gas Turbine Performance 2.1 Using the Overhaul Combustion Inspection Method Handoko, Susilo; Hendra, Hendra; Suharyadi, Hafid; Widiyanto, Totok
Jurnal Polimesin Vol 22, No 1 (2024): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i1.4221

Gas turbines are one type of internal combustion drive, the initial mover utilizes gas combustion as a fluid to rotate the turbine with internal combustion. Gas turbines at private companies producing electricity use the initial movers, namely gas turbines and steam turbines. Therefore, it is also called the "Steam Gas Power Plant/PLTGU.”Private company especially in Block 2, uses two gas turbine units with Mitsubishi GT 2.1 specifications which are used as the initial drive of the generator. Types of overhauls in gas turbines are divided into three, including turbine inspection, combustor inspection, and major inspection. In maintaining the reliability of the GT 2.1 Gas Turbine, an overhaul combustion inspection was carried out in the combustion chamber because there was an increase in heat rate of 17,9% which caused a decrease in thermal efficiency and net turbine power of the GT 2.1 Gas Turbine by 17% and 2,1%. So that steps are taken to optimize the GT 2.1 Gas Turbine with the combustion inspection method by repairing and cleaning the combustion bucket nozzle. Increased thermal efficiency by 27,8% or 27,13% to 36,01% from data before overhaul. This was also followed by an increase in compressor power and turbine power so that the net turbine power increased by 38% or 141339,35 hp to 195246,54 hp.

Emergency Response Workshop on Fire Prevention and Control Using Fire Blankets and Fire Extinguishers Nugroho, Budi Sulistiyo; Annasit; Nurrahman, Arif; Dharmawan, Aditya; Setiyono, Agus; Hamid, Farid Alfalaki; Handoko, Susilo; Widiyanto, Totok; Dewi, Astrie Kusuma; Indriani, Erdila
Civitas : Jurnal Pengabdian Masyarakat Vol. 2 No. 4 (2025): December 2025
Publisher : Indonesian Scientific Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61978/civitas.v2i4.1175

Fire incidents continue to increase in various regions in Indonesia due to low public awareness of prevention and early response measures. This community service activity aims to improve students' knowledge, skills, and preparedness in using fire blankets and portable fire extinguishers through experience-based training. The implementation methods include interactive lectures, live demonstrations, and controlled firefighting simulations. Pre- and post-training evaluations were used to measure changes in knowledge, skills, and safety attitudes. A total of 180 participants (aged 15–18 years) attended the training and completed the entire evaluation series. The results showed an average increase in knowledge scores from 52.3 to 86.8 points (+66%). Practical competence increased from 14% to 81% of participants who were assessed as being able to use the tools correctly. Attitudes and confidence in emergency response also showed significant improvement, from a score of 2.4 to 4.1 on the Likert scale. Qualitative feedback confirmed that participants felt better prepared to deal with small fires and had a better understanding of the importance of a safety culture in the school environment. These findings indicate that practice-based training is effective in strengthening fire preparedness among secondary school-aged groups. This workshop model offers an educational approach that can be replicated by other educational institutions as a risk mitigation strategy and to strengthen community-based safety culture.

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