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All Journal JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang Majalah Ilmiah MOMENTUM SYAMIL: Jurnal Pendidikan Agama Islam (Journal of Islamic Education) Jurnal Elemen Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Otopro Jurnal ABDIMAS (Pengabdian kepada Masyarakat) UBJ Journal of Earth and Marine Technology (JEMT) Jurnal Rekayasa Energi dan Mekanika Jurnal Inovasi Penelitian dan Pengabdian Masyarakat SYAMIL: JURNAL PENDIDIKAN AGAMA ISLAM (JOURNAL OF ISLAMIC EDUCATION) Jurnal Polimesin
Wahid, Muhammad Abdul
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Pelatihan 3D Print FDM Untuk Teaching Factory Di SMK Dian Kirana Sragen Finali, Asmar; Wahid, Muhammad Abdul
Jurnal Pengabdian kepada Masyarakat UBJ Vol. 8 No. 1 (2025): January 2025
Publisher : Lembaga Penelitian Pengabdian kepada Masyarakat dan Publikasi Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/2sxtj039

Abstract

FDM (Fused Deposition Modeling) 3D Printer tool training to support Teaching Factory (TEFA) in SMK aims to improve technical skills and students' readiness to face the challenges of industry 4.0. 3D printing technology has become an important innovation in the manufacturing world, which allows the creation of three-dimensional objects quickly and precisely. Therefore, mastery of this technology is very important for SMK, especially those involved in the TEFA program. This community service activity was carried out to provide practical training to teachers on how to operate an FDM 3D Printer, as well as understand the design and production process using three-dimensional printing technology. The training includes basic theory on how the FDM 3D Printer machine works, CAD programming, and steps in making prototypes and products using 3D printing. Through this training, it is hoped that Dian Kirana Sragen Vocational School can further strengthen the TEFA concept by providing facilities and tools that comply with industry standards. It is hoped that SMK Dian Kirana Sragen teachers can be better prepared to face the increasingly developing industrial world. The training was held through a combination of theory and direct practice methods, with the aim of providing a comprehensive understanding to participants. The results of this activity provide a real contribution to improving the quality of vocational education and strengthening the relationship between the world of education and the world of industry through TEFA products.
Optimalisasi Pembelajaran Berbasis STEM Melalui Media Edukasi Mekanikal Pembangkit Listrik Tenaga Air: Solusi Inovatif Bagi Guru Pendidikan Dasar Wahid, Muhammad Abdul; Putri, Linda Indiyarti; annanto, gilar pandu; Firmansyah, Erik; Nugroho, Irvandianto; Prasetyo, Sandif; Qoniah, Lisa Nurul
Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Vol 8, No 1 (2025): Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstormin
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/japhb.v8i1.8110

Abstract

Pembelajaran berbasis STEM mampu memberikan peningkatan pemahaman signifikan jika diterapkan secara relevcan dengan alat peraga edukatif. Program pengabdian ini bertujuan mengevaluasi efektivitas mainan mekanikal edukatif berbasis pembangkit listrik tenaga air untuk meningkatkan pemahaman peserta didik tentang konsep kelistrikan serta kompetensi guru dalam pembelajaran berbasis STEM. Menggunakan pendekatan Asset-Based Community Development (ABCD), program ini memanfaatkan potensi lokal untuk mendukung keberlanjutan kegiatan. Tahapan program meliputi identifikasi aset, pelatihan guru, implementasi alat peraga, serta evaluasi hasil. Sebanyak 30 peserta guru mitra dilibatkan sebagai subjek dalam program ini. Hasil evaluasi menunjukkan peningkatan signifikan pada pemahaman peserta didik (rerata nilai pre-test 60 meningkat menjadi 85; p 0,01) setelah penggunaan alat peraga. Kompetensi guru dalam merancang dan menerapkan pembelajaran berbasis STEM juga mengalami peningkatan substansial, terutama dalam memahami konsep STEM, merancang pembelajaran, serta menggunakan alat peraga secara efektif. Program ini menunjukkan bahwa mainan mekanikal edukatif mampu meningkatkan keterlibatan kelas, pemahaman konseptual, serta kepercayaan diri guru dalam mengintegrasikan STEM ke dalam kurikulum. Namun, diperlukan pendampingan berkelanjutan untuk mengoptimalkan penggunaan alat dan meningkatkan kualitas perangkat. Hasil program ini diharapkan menjadi model yang dapat diadaptasi di sekolah lain untuk mendukung transformasi pembelajaran abad ke-21 yang lebih inovatif dan inklusif.
STUDI EKSPERIMENTAL PEMISAHAN MINYAK-AIR MENGGUNAKAN HIDROSIKLON-BUBBLE GENERATOR Catrawedarma; Sari, Eli Novita; Fiveriati, Anggra; Wahid, Muhammad Abdul; Pamuji, Dian Ridlo; Syaifuddin, Muhammad
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.285

Abstract

This research aims to analyze the performance of oil-water separation using a hydrocyclone-bubble generator. The bubble generator used was an ejector type to make it easier to suck in atmospheric air. The research was carried out by injecting an oil-water mixture through a bubble generator before entering the hydrocyclone system. The air flow injected into the bubble generator was varied from 0.1-1.5 lpm. From experimental studies, it was found that as the air flow increased, the split ratio also increased. The pressure drop at the overflow increases gently while the underflow pressure drop increases significantly along with increasing input air flow. The greater the input air flow, the more significant the difference in underflow and overflow pressure drop. It has implications for a larger pressure drop ratio. The greater the air flow, the greater the overflow efficiency decreases, and the underflow efficiency increases. The highest efficiency in overflow is 87.77%.
PENGARUH PENGGUNAAN PASIR SILIKA DAN PASIR PANTAI TERHADAP KEKUATAN TARIK PADA PENGECORAN LOGAM ALUMINIUM Utomo, Wahyu; Sari, Eli Novita; Fiveriati, Anggra; Wahid, Muhammad Abdul; Pamuji, Dian Ridlo
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

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

Abstract

Casting is the process of manufacturing molten metal with a mold to produce a shape close to the original shape. The commonly used molding sand is mountain sand, river sand and silica sand. This research aims to analyze defects and tensile test results of castings with various types of sand (beach sand and silica sand) and types of aluminum (ADC 12 aluminum and aluminum from waste cans). The casting method used is traditional sand blasting. The results show defects in the form of surface hardness, rat tails, shrinkage cavities, and pinholes. The tensile test showed that the highest Ultimate Tensile Strength (UTS) value was obtained from a mixture of Al ADC 12 with beach sand with an average UTS value of 172.44 MPa.
Penerapan Teknologi Oven Ter digitalisasi Untuk Meningkatkan Mutu Produk UMKM Bolen Pisang Nugroho, Agung; Annanto, Gilar Pandu; Wahid, Muhammad Abdul; Nurfa'izin, Syafa'ah
Jurnal Inovasi Penelitian dan Pengabdian Masyarakat Vol. 4 No. 1 (2024): Juni
Publisher : Indonesia Emerging Literacy Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53621/jippmas.v4i1.278

Abstract

Inovasi produk menjadi penting untuk meningkatkan nilai jual produk UMKM dan meningkatkan pendapatan keluarga serta masyarakat sekitar. Namun, beberapa tantangan mungkin dihadapi dalam penerapan teknologi, seperti biaya investasi awal yang tinggi, keterbatasan pengetahuan teknologi, dan keterbatasan infrastruktur. Salah satu contoh UMKM yang menghadapi kendala adalah IKM Bolen Pisang Bu Ayu di Kota Semarang, yang mengalami stagnasi kapasitas produksi dan kesulitan dalam memperluas pasar produknya. Untuk mengatasi tantangan ini, sebuah program pengabdian masyarakat dilakukan dengan kolaborasi antara UMKM dan Universitas Wahid Hasyim. Program ini melibatkan penggunaan mesin oven digital untuk meningkatkan efisiensi dalam proses produksi bolen pisang, serta sosialisasi dan pendampingan dalam persiapan dan pengajuan izin PIRT. Evaluasi program menunjukkan peningkatan signifikan dalam kapasitas produksi, kualitas produk, dan pemahaman mitra tentang proses dan persyaratan perizinan. Pengabdian masyarakat ini berhasil dalam meningkatkan kapasitas produksi, perbaikan kualitas produk, dan membantu mencapai Tujuan Pembangunan Berkelanjutan dalam pilar pembangunan sosial. Upaya kolaboratif antara UMKM dan lembaga pendidikan dapat menjadi model efektif dalam memperkuat sektor UMKM dan mendukung pertumbuhan ekonomi yang berkelanjutan.
Numerical study on the effect of box and polygon geometry in fin and tube heat exchanger on fluid flow and heat transfer Nugroho, Agung; Safi'i, Muhammad; Romadhon, Bukhori Putra; Wahid, Muhammad Abdul; Pujianto, Muhammad Edi
Jurnal Polimesin Vol 22, No 6 (2024): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i6.5624

Abstract

Currently, fin and tube heat exchangers are widely used in various engineering applications, including modern heat exchangers, automotive radiators, and Air Conditioning (AC) systems such as evaporators, and condensers. Enhancing their performance necessitates innovative designs, advanced application, and optimizes geometries to improve heat transfer efficiency. This study investigates the effect of box and polygon geometries on fluid flow and heat transfer in a split Air Conditioner (AC) fin and tube heat exchanger using simulation software. The research examines two tube arrangement-inline and staggered-across different fluid velocities (0.5 m/s, 1 m/s, 1.5 m/s, and 2.5 m/s) and heat flux values (100 W/m2 , 125 W/m2, 125 W/m2, and 150 W/m2 ). The numerical study revealed that the best thermal and hydraulic performance of the fin and tube heat exchanger, based on geometry variations between box and polygon tubes, was achieved with the polygon tube geometry, which resulted in a lower temperature around 23.41°C. This temperature confirmed an increase in heat transfer coefficient by approximately 5% and Nusselt number by about 3%. The best performance overall, considering both thermal and hydraulic aspects, was observed in the inline arrangement, especially for the polygon tube, which resulted in a lower temperature of around 26.38°C. This confirmed an improvement in the heat transfer coefficient by about 4% and the Nusselt number by 2.5%.
Co-Authors Akhmad Zidni Hudaya Anggra, Fiveriati Catrawedarma Eddy Winarno, Eddy Finali, Asmar Firmansyah, Erik Helmy Purwanto Idris, Husni Kautsar Eka Wardhana Linda Indiyarti Putri Meilasari, Fitriana Muhammad Dzulfikar Muhammad Syaifuddin Nugroho, Agung Nugroho, Irvandianto Nurfa'izin, Syafa'ah Pamuji, Dian Ridlo Pangestu, Wahyu Adi Prasetyo, Sandif Prawibowo, Hartanto Pujianto, Muhammad Edi Qoniah, Lisa Nurul Qurrotu Ainii, Qurrotu Rabiatul Adawiyah Rianto Wibowo. Rifky Ismail Romadhon, Bukhori Putra Safi'i, Muhammad Sari, Eli Novita Slamet Khoeron Sutono, Sugoro Bhakti Syamsul Arifin Tanaka, Imam Ridwan Wahyu Utomo Yosomulyono, Sutarto