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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro ROTOR: JURNAL ILMIAH TEKNIK MESIN Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Jurnal Teknologi Terapan RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi SIGMA TEKNIKA Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Jurnal Dinamis Jurnal Energi Baru dan Terbarukan Indonesian Journal of Innovation Studies Eksergi: Jurnal Teknik Energi Conscilience: Jurnal Penelitian dan Pengabdian Masyarakat RADIAL: Jurnal Peradaban Sains, Rekayasa dan Teknologi
nuruddin, mochammad
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Religion Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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STUDI PENAMBAHAN GRID DAN REFLEKTOR TERHADAP EFISIENSI KOMPOR Agustina, Dewi; Ulma, Zeni; Nuruddin, Mochammad; Rudiyanto, Bayu
Eksergi Vol. 18 No. 1 (2022): JANUARI 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1583.315 KB) | DOI: 10.32497/eksergi.v18i1.3218

Abstract

Permasalahan krisis energi BBM dan Gas Bumi menjadi perbincangan dibelahan dunia, adanya penambahan populasi penduduk menyebabkan permintaan kebutuhan energi semakin meningkat. Jenis kompor gas sangat beragam, perlu adanya kajian mengenai efisiensi termal kompor gas. Penambahan material grid dengan ketebalan 3 mm memiliki 3 variasi yakni variasi 1 dengan diameter lubang 0.4 cm dan 60 lubang, variasi 2 dengan diameter lubang 0.6 cm dan 50 lubang, serta variasi 3 dengan diameter lubang 0.8 cm dan 40 lubang. Penambahan material tersebut berfungsi memfokuskan nyala api dan meminimalisir losses. Pembuatan alat meliputi persiapan alat dan bahan, modifikasi dudukan kompor, pembuatan material grid dan reflektor, serta pengujian. Metode yang digunakan dalam pengujian adalah metode Water Boiling Test (WBT). Parameter dalam pengujian yaitu waktu start up, total waktu operasi, waktu pendidihan, panas sensibel, panas laten, dan efisiensi termal. Rata rata hasil penelitian menunjukkan bahwa waktu didih yang dihasilkan oleh grid variasi 1 dan reflektor 1 baris sirip sebesar 18.06 menit dibandingkan tanpa penambahan material grid dan reflektor sebesar 22.02 menit. Konsumsi bahan bakar terjadi peningkatan pada grid variasi 3 dan reflektor 1 baris sirip sebesar 19,44 gr dibandingkan grid variasi 1 dan reflektor 1 baris sirip sebesar 18,56 gr, sedangkan untuk efisiensi tertinggi dihasilkan grid variasi 1 dan reflektor 1 baris sirip sebesar 57.73% dan efisiensi terendah tanpa menggunakan grid dan reflektor sebesar 49.54%.
Potensi Produksi Biogas Berbahan Baku Campuran Feses Sapi, Rumen Sapi, dan Kulit Pisang Ulma, Zeni; Nuruddin, Mochammad; Faizin, Nur; Hananto, Yuli; Rahmanto, Dedi Eko; Rofiqi, Moh. Hajar
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 7 No. 1 (2025): JPPL, Maret 2025
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M), Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v7i1.2605

Abstract

ABSTRACT The utilization of cattle rumen contents, cattle manure, and banana peel waste to produce biogas through anaerobic fermentation is an alternative method to reduce waste in the agricultural and livestock sectors. This study was conducted to determine the quality of each composition, where the compositions in this research included a mixture of cattle rumen contents and cattle manure in 50:50 ratio, a mixture of cattle rumen contents and banana peel waste in 50:50 ratio, and a composition with three materials fermented simultaneously in a 40:30:30 ratio. The study used a biodigester with a batch operating system and single-stage configuration, with the fermentation process occurring in the digester for 17 days. The analysis aimed to assess the quality of biogas produced from each composition, measuring biogas volume and methane gas concentration for each trial. The results indicated that the highest biogas volume was obtained from the substrate composition of cattle rumen contents and banana peel waste (ratio of 50:50), amounting to 325.5 ml, while the highest methane (CH4) content was found in the composition of cattle rumen contents and cattle manure at 18.80% with a carbon dioxide percentage of 23.06%. The best flame test resulted from the experiment consisting of cattle rumen contents and cattle manure. Keywords: Biodigester, cattle manure, cattle rumen contents, banana waste, methane, biogas volume
Analisis Kecacatan Produk Pada Mesin Pemotongan Dengan Menggunakan Metode FMEA di UD. Abdi Rakyat Aiman, Muhammad Hafizul; Nuruddin, Mochammad
JTI: Jurnal Teknik Industri Vol 9, No 2 (2023): DESEMBER 2023
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v9i2.23835

Abstract

Industri manufaktur IKM di Indonesia mengalami pertumbuhan pesat, tetapi perlu meningkatkan daya saing melalui pengendalian kualitas untuk memastikan keberlanjutan bisnis dan kepuasan pelanggan. Penerapan pengendalian kualitas seringkali terbatas pada IKM, sehingga perlu dilakukan optimalisasi peralatan mesin, mendiagnosis kesalahan, dan mengambil tindakan pencegahan atau korektif untuk meminimalkan kegagalan dan meningkatkan kualitas. Metode FMEA dapat digunakan untuk mengidentifikasi kegagalan, memberikan rekomendasi perbaikan, dan menilai risiko kecacatan produk berdasarkan tingkat keparahan, probabilitas terjadinya, dan deteksi kegagalan. Melalui penerapan FMEA, perusahaan UD Abdi Rakyat berharap dapat mengurangi cacat produk, meningkatkan kepuasan pelanggan, dan meningkatkan daya saing melalui perbaikan terus-menerus dan mitigasi risiko yang komprehensif. Hasil penelitian ini menunjukkan terdapat tiga jenis kecacatan yang sering terjadi pada produk, yaitu potongan tidak presisi, potongan grepes, dan ukuran tidak sesuai. Hasil analisis juga menunjukkan bahwa 3 faktor yaitu manusia, metode, dan mesin teridentifikasi sebagai faktor utama penyebab kegagalan. Kegagalan potongan grepes memiliki risiko kegagalan tertinggi dengan nilai RPN 343, sedangkan potongan tidak presisi dan ukuran tidak sesuai memiliki risiko yang lebih rendah. Adapun usulan perbaikan telah diusulkan untuk mengatasi 3 faktor utama tersebut.
IDENTIFIKASI RISIKO KECELAKAAN KERJA PADA BENGKEL LAS MENGGUNAKAN PENDEKATAN JOB SAFETY ANALYSIS Yuliyono, Fachril Audy; Nuruddin, Mochammad
RADIAL : Jurnal Peradaban Sains, Rekayasa dan Teknologi Vol. 10 No. 1 (2022): RADIAL: JuRnal PerADaban SaIns RekAyasan dan TeknoLogi
Publisher : Universitas Bina Taruna Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (450.138 KB) | DOI: 10.37971/radial.v10i1.264

Abstract

Abstrak: Identifikasi Risiko Kecelakaan Kerja Pada Bengkel Las Menggunakan Pendekatan Job Safety Analysis. Bengkel las 2 Putra yang merupakan usaha yang bergerak di bidang bengekel las untuk memenuhi kebutuhan pembuatan pagar, kanopi, kursi, dan meja. Setelah melakukan wawancara dengan pemilik bengkel ada beberapa kecelakaan yang sering terjadi di bengekel. JSA (Job Safety Analysis) adalah sebuah metode yang digunakan sebagai bahan pertimbangan dalam menentukan atau mengidentifikasi bahaya yang terdapat di lingkungan pekerjaan dan menetapkan pengendalian yang dirasa tepat dalam upaya pengendalian terjadinya kecelakaan kerja. Tujuan dilakukan penelitian ini adalah untuk mengurangi jumlah kecelakaan kerja yang sering terjadi dan memberikan pengendalian potensi bahaya dan menghitung analisis risiko. Risiko – risiko tertinggi ini memeliki nilai setelah dihitung diantaranya, Tangan terkena mata gerinda di bagian Gerinda (pemotongan) memiliki nilai 180 yang termasuk dalam level risiko substantial, Terkena cahya las dibagian pengelasan memliki nilai 75 yang termasuk dalam level risiko substantial, Tersengat listrik dibagian Gerinda (penghalusan) memliki nilai 180 yang termasuk dalam level risiko substantial, Kompresor meledak dibagian pengecatan memliki nilai 135 yang termasuk dalam level risiko substantial. Saran untuk pemilik yaitu hendaknya menyediakan APD sesuai kebutuhan di setiap tahapan pekerjaan yaitu, meneyediakan sarung tangan, sarung tangan kulit, safety shoes, google glass, masker khusus untuk mengecat, pelindung muka, kacamata las, cover gerinda. Abstract: Identification of Occupational Accident Risk in Welding Workshops Using a Job Safety Analysis Approach. 2 Putra welding workshop which is a business engaged in welding bengekels to meet the needs of making fences, canopies, chairs, and tables. After conducting an interview with the owner of the workshop there are several frequent accidents in the bengekel. JSA (Job Safety Analysis) is a method used as a consideration in determining or identifying hazards in the work environment and establishing controls that are deemed appropriate in an effort to control the occurrence of work accidents. The purpose of this study is to reduce the number of frequent work accidents and provide control of potential hazards and calculate risk analysis. These highest risks have a value after being calculated, including, The hand exposed to the grinding eye in the Grinding (cutting) section has a value of 180 which is included in the substantial risk level, Exposed to welding light in the welding section has a value of 75 which is included in the substantial risk level, Electrocuted in the Grinding (grinding) section has a value of 180 which is included in the substantial risk level, Compressor explodes in the painting section has a value of 135 which is included in the grinding (grinding) section which is included in the level substantial risk. The advice for owners is that they should provide PPE as needed at every stage of the work, namely, providing gloves, leather gloves, safety shoes, google glass, special masks for painting, face shields, welding goggles, grinding covers.
OPTIMALISASI PENYIMPANAN DI PT. XYZ MELALUI CLASS BLASED STORAGE DAN KLASIFIKASI ABC Setiawan, Anggie Eka; Nuruddin, Mochammad
RADIAL : Jurnal Peradaban Sains, Rekayasa dan Teknologi Vol. 12 No. 1 (2024): RADIAL : Jurnal Peradaban Sains, Rekayasa dan Teknologi
Publisher : Universitas Bina Taruna Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37971/radial.v12i1.431

Abstract

Abstract: Storage Optimization at PT. XYZ Through Class Blased Storage and ABC Classification. This research aims to make the process of picking up goods according to their type easier, so that the distance to transport materials is shorter than before. In addition, this placement allows each type of item to be stored in the spare parts warehouse, so that when it is picked up, the item can be fully used. This research collects data through observation, support and interviews. The results of blased class storage place items in groups according to their category type. Goods with fast movement, for example, are placed closer to the exit, and goods with slow movement, for example, are placed further to the entrance. workers during the material movement process. The results of the ABC classification are 19 types of goods in category A, 3 types of goods in category B, and 1 type of goods in category C. The ABC category is created by sorting all the frequencies of goods from the highest value, as well as calculating cumulative and frequency percentages. By comparing the initial layout with the proposed layout, data processing resulted in a total reduction of Rp. 6,733,000/month to Rp. 3,738,000/month. Therefore, it can be concluded that the problem of storing goods in the PT warehouse. XYZ can be solved using a storage optimization policy that uses the class blased storage method and ABC classification.
Analisis Resiko pada Operasional Konveksi PT. Alam Pelangi Jaya Memakai Metode House of Risk Rahman, Achmad Khabibbur; Nuruddin, Mochammad; Hidayat, Hidayat
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 6 No. 4 (2023): Oktober
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v6i4.21324

Abstract

Operational risk is the non-functioning of a system, human resources, technology, etc. which causes deviations due to non-conformity from what is expected. Many factors cause operational risks to occur. In this research, a case study of convection operational risks, there are risks that cause financial losses to the company. By analyzing risks, risk-causing factors, and mitigation techniques, the House of Risk method is used in this study to identify hazards in convection operations. There are 12 risk agents with 20 identified causes, resulting in 12 priority strategies, namely looking for closer suppliers, holding meetings with company operations/coordinating using language/actions that are easy to understand, creating appropriate K3 SOP, maintaining every tool used, placing orders. via telephone, carrying out selection with experts for each worker, assessing the reasons behind delays and putting new plans in place to schedule the delivery of goods, enforcing severe rules against those who break them, getting the company's diesel engines ready, creating a list of design drawings that have been submitted and those that haven't, Creating and altering design creation processes
Integrating SERVQUAL and Importance Performance Analysis to Prioritize Service Improvements in Modern Retail: A Case Study of XYZ Store Sajidin, Mochammad Afif; Andesta, Deny; Nuruddin, Mochammad
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.1852

Abstract

General Background: Service quality is a critical determinant of competitiveness in modern retail, particularly as rapid growth in small convenience stores intensifies customer expectations. Specific Background: XYZ Store has experienced declining customer satisfaction, requiring a systematic evaluation of service delivery using established measurement frameworks. Knowledge Gap: Despite the extensive use of SERVQUAL and Importance Performance Analysis (IPA) in service research, limited studies integrate both methods to diagnose priority improvements in small-scale retail settings. Aims: This study aims to measure service quality at XYZ Store, identify performance gaps across SERVQUAL dimensions, and prioritize improvement strategies using IPA. Results: Analysis of 100 respondents showed all SERVQUAL attributes were valid and reliable, with an overall gap score of –0.74 and a service quality index (Q) of 0.84, indicating service performance below expectations. IPA mapping revealed four critical attributes—store layout (T3), complaint handling (RP3), facility conditions (T1), and product availability (RL2)—requiring immediate improvement. Novelty: This research offers an integrated SERVQUAL–IPA approach that produces a precise, actionable prioritization of service weaknesses in a small retail context. Implications: Findings provide managerial guidance for enhancing operational performance, increasing customer satisfaction, and strengthening competitive positioning in the retail sector. Highlights: Identifies critical service gaps with an integrated SERVQUAL–IPA approach. Highlights four priority attributes needing immediate improvement. Provides actionable strategies to enhance customer satisfaction and competitiveness. Keywords: SERVQUAL, IPA, Service Quality, Customer Satisfaction, Retail Management
Co-Authors Aditya Wahyu Pratama Agustin, Afifah Putri Aiman, Muhammad Hafizul Alex Taufiqurrohman Zain Bayu Rudiyanto Cahyaning Nur Karimah, Cahyaning Nur Dedy Eko Rahmanto, Dedy Eko Deny Andesta Dety Oktavia Sulistiono Dewi Agustina Dicky Adi Tyagita Dzakiyah Widyaningrum Elly Ismiyah Fahriannur, Ahmad Faruq Avero Azhar Hasbiyati, Haning Hidayat Hidayat Nari, Mochammad Irwan Nisa', Sa'adatun Nur Faizin Putra, Dicky Eka Ananda Qanitah, Qanitah Rahman, Achmad Khabibbur Rahmanto, Dedi Eko Rofiqi, Moh. Hajar Sajidin, Mochammad Afif Setiawan, Anggie Eka Suranto, Dwi Djoko Ulma, Zeni Yuli Hananto, Yuli Yuliyono, Fachril Audy