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All Journal Jurnal Teknologi SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin JMPM (Jurnal Material dan Proses Manufaktur) Authentic Research of Global Fisheries Application Journal (Aurelia Journal) Jurnal Bluefin Fisheries Journal of Innovation Research and Knowledge Innovative: Journal Of Social Science Research
Mustopa Kamal
Politeknik Ahli Usaha Perikanan
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Komposisi Spesies Ikan di Rumpon Berbahan Ban Bekas di Teluk Semaka Kabupaten Tanggamus Propinsi Lampung Yusep Sugianto; Mustopa Kamal; Agus Heri Kuswoyo; Made Ariana
Innovative: Journal Of Social Science Research Vol. 3 No. 5 (2023): Innovative: Journal of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v3i5.6194

Abstract

Rumpon adalah alat bantu pengumpul ikan yang menggunakan berbagai bentuk dan jenis pengikat/atraktor dari benda padat, berfungsi untuk memikat ikan agar berkumpul, yang dimanfaatkan untuk meningkatkan efisiensi dan efektifitas operasi penangkapan ikan. Rumpon dasar merupakan rumpon yang ditempatkan di dasar perairan untuk mengumpulkan ikan demersal. Jika spesies ikan yang tertangkap di rumpon adalah ikan-ikan yang bernilai ekonomis tinggi, maka solusi untuk memperoleh peningkatan pendapatan dapat terwujud. Untuk itu, perlu ada penelitian terkait dengan komposisi spesies ikan yang tertangkap di area rumpon. Tujuan dari penelitan ini adalah untuk mengetahui komposisi ikan hasil tangkapan di daerah rumpon yang terbuat dari ban bekas. Pembuatan rumpon berbahan ban bekas dilaksanakan di Teluk Semaka, Kabupaten Tanggamus, Propinsi Lampung. Rumpon didiamkan selama 5 bulan untuk kemudian diambil data dengan cara dilakukan pemancingan di area rumpon tersebut. Spesies ikan yang tertangkap kemudian disortir berdasarkan spesies ikan dan berdasarkan berat tiap spesies ikan yang tertangkap. Hasil tangkapan terdiri dari 7 spesies ikan total jumlah tangkapan adalah 49 ekor dengan berat total 23,916 kg. Spesies ikan terbanyak adalah ikan kakap merah, yaitu 23 ekor, dan ikan dengan rata-rata berat terbesar adalah ikan kerapu yaitu rata-rata 1,673 kg per ekor.
PERFORMANCE TESTS OF PYROLISATORS WITH MULTIPLE CONDENSATION SYSTEMS Kamal, Mustopa; Fachruddin, Faizal
Aurelia Journal Vol 5, No 2 (2023): Oktober
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/aj.v5i2.12736

Abstract

Pyrolysator performance testing has been carried out on the results of liquid smoke produced by pyrolysators with a multilevel condensation system using coconut shell fumes. The parameters tested in the pyrolysator performance test were time, temperature, heating rate, volume of liquid smoke and residual combustion in the form of charcoal. Test results using Gas Chromatography-Mass Spectrophotometry (GC-MS) show that pyrolysators with multilevel condensation systems produce liquid smoke with food grade quality so it is safe to use as a natural preservative for fishery products. The amount of liquid smoke produced by the pyrolysator with a multilevel condensation system is 24% and charcoal is 46%, from the pyrolysis process of 10kg of coconut shells for 5 hours. It can be concluded that pyrolysators with multilevel condensation systems have advantages in terms of productivity when compared to conventional pyrolysators, so they are very suitable for use in the liquid smoke industry.
Analysis of the Use of Fine Filters on Lubricating Oil Content With Contaminant Tests in Diesel Engines Kamal, Mustopa; Hermawan, Ade; Daging, I Ketut; Binardi, Teguh; Syam, M Yusuf; Muditha, Dewa Made
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol. 18 No. 2 (2024): SINTEK JURNAL
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.18.2.90-98

Abstract

Lubricating oil is a critical component in the operation of diesel engines, functioning to reduce wear and dissipate heat generated by friction in moving engine components. Compared to gasoline engines, diesel engines produce higher levels of carbon during combustion, necessitating the use of lubricating oil filters to remove combustion residues. Additionally, fine filters are employed to minimize contaminants present in the lubricating oil. This study aims to analyze the contaminant levels in different states of lubricating oil: new, unused oil; oil used for 500 hours without a fine filter; oil used for 500 hours with a CJC fine filter; and oil used for 1,336.5 hours with a CJC fine filter. The testing methods employed were ASTM D5185-18 and ASTM E2412-10, with all analyses conducted at the PT Petrolab Services Laboratory. The results demonstrate that the use of a CJC fine filter significantly reduces contaminants, with sodium levels at 1 ppm, silicon levels at 7 ppm, and Fuel Dilution, Water Content, and Glycol levels consistently at 0%.
Performance of the turbocharged engine Toyota Raize using Pertamax 92 and Pertamax Green 95 Abbas, Aries; Sabiqunassabiqun, Sabiqunassabiqun; Saputra, Alfian Ady; Pahruzi, Rahmat; Kamal, Mustopa
JMPM (Jurnal Material dan Proses Manufaktur) Vol. 8 No. 2 (2024): Desember
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jmpm.v8i2.23720

Abstract

The automotive industry has experienced rapid technological advances in the development of more developed and efficient vehicles. An example is the Toyota Raize, which is equipped with a 3-cylinder turbocharged engine. Along with technological advances, issues have arisen regarding the use of optimal fuel to maintain engine performance. In the Indonesian market, Pertamina fuel is the main choice for consumers such as Pertamax 92 and Pertamax Green 95. The difference in octane values between the two raises questions about their impact on the performance of the Toyota Raize engine with a Turbocharger. A study was conducted on what fuel is better to use in a 3-cylinder turbocharged engine at varying engine speeds using experimental and theoretical research methods. The results showed that at engine speed 6000 RPM, the torque produced by Pertamax 92 reaches 130.8 Nm, while Pertamax Green 95 reaches 145.1 Nm. At the same speed, Engine power produced by Pertamax 92 reaches 110.2 HP, while Pertamax Green 95 records 122.2 HP. At low engine speed, Pertamax Green 95 is more efficient in fuel consumption whereas Pertamax 92 is more efficient at high speed. Pertamax Green 95 also produces a lower average CO2 concentration compared to Pertamax 92. In conclusion, Pertamax Green 95 fuel is more consistent and efficient and provides more optimal performance compared to Pertamax 92.
Cool Load Analysis Design Thermoelectric Cooler with Ketapang Leaf Media (Terminalia catappa) Fachruddin, Faizal; Kamal, Mustopa; Riyadhi, Alwan
Jurnal Teknologi Vol 17, No 1 (2025): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.17.1.71-78

Abstract

The first thermoelectric effect was discovered in 1821 by T.J. Seebeck. He showed that an electromotive force could be produced by heating a junction between two dissimilar electrical conductors. The Seebeck effect can be demonstrated by making connections between different metal wires (e.g. copper and iron). The thermoelectric module will generate a voltage if the two sides of the surface have different temperatures, namely the hot side and the cold side, otherwise a temperature difference will be generated if the thermoelectric module is voltage supply. Cold load is the amount of heat transferred by the air conditioning system per unit time. The refrigerant load includes the temperature of the incoming and outgoing air, the humidity of the incoming and outgoing air, the mass flow rate of the outgoing air, and the temperature in the cooler. The cold load will directly affect the cooling performance of the machine. A thermoelectric cooler is a cooler that uses the Peltier effect in its system as a heat exchanger. This Peltier element is environmentally friendly because it does not use freon gas for the cooling process, so it is not harmful to the environment. Using a thermoelectric cooler could maintain the product, but in this study ketapang leaf elements were added. This ketapang leaf is an insulator with antibacterial properties. The method used involves collecting temperature and humidity data from the peltier in the cooler. Calculate the mass flow rate of air leaving the peltier and the cooling load on the cooler. Temperature measurements and data collection were carried out over 10 days and divided into three periods, namely morning with an average temperature of 25°C, daytime with an average temperature of 32°C and at night with an average temperature of 25°C. is 28°C. The cooler temperature measurement was performed using the TEC 12706 and TEC 12710 thermoelectric modules. The TEC 12706 type thermoelectric module obtained a final cooler temperature of 22.6°C with test time is 240 minutes. However, the TEC 12710 type thermoelectric module achieved a final cooling temperature of 23.9°C after 240 minutes of testing. These two tests are done at the same time, i.e. at night. The average cooling load on the thermoelectric cooler is 25.16 kJ/s.
Analisis Kelayakan Usaha Produk Acap Cair Hasil Pirolisator Dengan Sistem Kondensasi Bertingkat Fachruddin, Faizal; Kamal, Mustopa; Karepesina, Musa
JURNAL BLUEFIN FISHERIES Vol 6, No 2 (2024): JURNAL BLUEFIN FISHERIES
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jbf.v6i2.281

Abstract

Telah dilakukan analisa kelayakan usaha asap cair hasil pirolisator dengan sistem kondensasi bertingkat. Asap cair memiliki manfaat sebagai bahan pengawet alami dan juga sebagai penambah aroma pada produk makanan. Informasi yang digunakan dalam penelitian ini merupakan gabungan dari data primer dan sekunder. Tujuan dari penelitian ini adalah untuk menganalisis kelayakan usaha produk asap cair hasil pirolisis dengan sistem kondensasi bertingkat. Studi kelayakan komersial meliputi kelayakan pemasaran, kelayakan operasional, dan kelayakan finansial. Berdasarkan hasil penelitian dapat disimpulkan bahwa pendirian usaha e-liquid layak untuk dijalankan. Kelayakan usaha dari asap cair tempurung kelapa meliputi Harga Pokok Produksi (HPP) dari produk asap cair adalah Rp. 95.000/liter atau Rp 25.000/botol, Break even Point (BEP) dicapai pada volume penjualan 33 liter atau 125 botol produk asap cair tempurung kelapa, Nilai Pay Back Period dicapai pada bulan ke 8, Benefit back ratio (B/C Ratio) adalah 1,5.
ANALISA KINERJA OIL COOLER DENGAN PENDEKATAN FINITE ELEMENT ANALYSIS (FEA) PADA BEBAN DAYA YANG DIGUNAKAN GENERATOR DI KM TRANS MITRAMAS 5 Teguh Binardi; Kamal, Mustopa; Ade Hermawan; Achmad Syarifudin; Doly Andrian Harahap; Marsono, Marsono; Aprizha Muhammad Fadhil
Journal of Innovation Research and Knowledge Vol. 5 No. 6 (2025): Nopember 2025
Publisher : Bajang Institute

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

Abstract

This study analyzes the thermal performance of a shell and tube type oil cooler installed in the generator of the KM Trans Mitramas 5 fishing vessel, located in Samudera Bitung Fishing Port, North Sulawesi. Using the Finite Element Analysis (FEA) method and ANSYS simulation, the study investigates how thermal loads, derived from different power levels (70 kW, 130 kW, and 200 kW), affect heat transfer effectiveness and temperature distribution. The results show increasing Log Mean Temperature Difference (LMTD) and hotspot patterns correlating with higher thermal loads. Simulation findings confirm the oil cooler’s capability to stabilize oil temperature under varying loads, with LMTD values of 38.12°C, 53.00°C, and 56.18°C respectively. The system remains efficient, though routine maintenance and proper material selection are recommended for long-term performance
PHYSICAL TEST OF LUBRICATING OIL VISCOSITY (KINEMATIC VISCOSITY) AND TBN (TOTAL BASE NUMBER) OF LUBRICATING OIL USING AND WITHOUT USING A CJC TYPE FINE FILTER ON THE MAIN ENGINE KM BINAMA II: Indonesia Kamal, Mustopa; Ade Hermawan; Basino, Basino; Priyantini Dewi; I Ketut Daging; Faizal Fachruddin
Journal of Innovation Research and Knowledge Vol. 4 No. 1: Juni 2024
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jirk.v4i1.7819

Abstract

This research focuses on the viscosity and Total Base Number (TBN) of lubricating oil in diesel engines. The study tests the characteristics of new lubricating oil, oil used for 500 hours without and with CJC type fine filters, and oil used for 1336.5 hours with CJC fine filters. The testing follows the ASTM D445-21e2 and ASTM D2896-21 methods at the PT PETROLAB SERVICES Laboratory. The results reveal that using CJC fine filters can prolong the life of lubricating oil, as it preserves the quality, particularly within the first 500 working hours. However, beyond 1336.5 hours, some test results become unreasonable, indicating that the oil is no longer suitable for use. To gain a comprehensive understanding of the changes in lubricating oil quality, further testing at 750 and 1000 hours is suggested. Overall, this research highlights the importance of maintaining lubricating oil quality in diesel engines and the potential benefits of using CJC fine filters.
Co-Authors Abbas, Aries Achmad Syarifudin Ade Hermawan Ade Hermawan Agus Heri Kuswoyo Aprizha Muhammad Fadhil Basino, Basino Binardi, Teguh Daging, I Ketut Doly Andrian Harahap Fachruddin, Faizal Faizal Fachruddin Karepesina, Musa Made Ariana Marsono Marsono Muditha, Dewa Made Pahruzi, Rahmat Priyantini Dewi Riyadhi, Alwan Sabiqunassabiqun, Sabiqunassabiqun Saputra, Alfian Ady Syam, M Yusuf Teguh Binardi Yusep Sugianto