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All Journal JURNAL NASIONAL TEKNIK ELEKTRO Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Innovative: Journal Of Social Science Research International Journal of Applied Research and Sustainable Sciences (IJARSS)
Kamil, Kusno
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Analisis Potensi Biogas Kotoran Sapi Hamri, Hamri; Kamil, Kusno; Atim, Muh Zainal; Efendi, Rustam
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 10, No 2 (2024): Oktober
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmkn.v10i2.9590

Abstract

Kebutuhan manusia yang tinggi terhadap bahan bakar fosil dari masa ke masa, menyebabkan kenaikan harga minyak mentah sehingga harga melonjak lebih pesat. Berdasarkan hal tersebut, diperlukan energi alternatif terbarukan. Salah satu sumber energi terbarukan adalah biogas, yang berasal dari berbagai limbah organik seperti limbah biomassa, kotoran manusia, kotoran hewan melalui proses permentasi anaerobik dapat digunakan sebagai energi. Produksi biogas dari kotoran hewan, khususnya sapi sangat potensial dan memiliki keunggulan, energi yang dihasilkan darinya sangat ramah lingkungan karena selain memanfaatkan limbah dari ternak, sisa proses (biogas slurry) dapat dimanfaatkan sebagai pupuk organik yang kaya akan unsur-unsur yang dibutuhkan oleh tumbuhan. Penggunaan biogas juga bisa mengurangi efek rumah kaca pada atmosfer dan emisi lainnya. Tujuan dari penelitian ini memanfaatkan kotoran sapi dicampur air sebagai bahan baku pembuatan biogas, Menganalisis gas yang dihasilkan untuk digunakan pada kompor gas. Metode penelitian yang digunakan adalah metode eksprimen dengan mencampurkan kotoran sapi dengan air, kemudian memasukkan (mengisi) kedalam digester biogas untuk dipermentasikan antara 15 hari sampai 25 hari. Dalam waktu tersebut kami akan mencatat berapa tekanan gas yang   dihasilkan, pada tekanan tertentu akan kami coba untuk menyalakan kompor gas dan dengan menggunakan gas yang dihasilkan oleh digester biogas. Beberapa faktor yang mempengaruhi produksi biogas adalah waktu permentasi dan campuranya. Bahwa pada kondisi bulan ke 2 hasil tekanan pada manometer tertinggi 79,11 cm H2O dikarenakan pada bulan tersebut belum dipakai, sedangkan pada bulan ketiga turun menjadi 58,22 cm H2O. Kondisi ini disebabkan adanya pemakaian pada kompor dengan waktu penggunaan 1 sampai 2 jam per hari.
Comparing MPPT Algorithms for Improved Partial-Shaded PV Power Generations Basalamah, Abdullah; Pakka, Hariani; Eren, Halit; Alghamdi , Ahmed Saed; Syarifuddin, Andi; Kamil, Kusno; Salmiah; Hartono, Sriwijanaka Yudi
JURNAL NASIONAL TEKNIK ELEKTRO Vol 12, No 3: November 2023
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v12n3.1134.2023

Abstract

olar energy, accepted as an alternative energy source, is attracting commercial interest and scholars and researchers for improving efficiency and lowering the losses within the system. One of these significant losses is due to partial and complex shading. This study concentrates on reducing losses to enhance the efficiency of solar systems. Maximum Power Point Tracking (MPTT) uses several alternative algorithms for efficient operations. We have selected four algorithms supporting MPPT, namely P&O, PSO, Adaptive cuckoo, and Dragonfly. These algorithms are applied on photovoltaic (PV) systems in four different scenarios: uniform irradiance, partial shading, complex partial shading, and multiple local maximum power points. According to this study, results show that the algorithms' performance vary significantly based on these scenarios. It has been shown that PSO has the longest tracking time compared to other but tracks the maximum power best when exposed to uniform irradiance. In contrast, DFO takes the shortest tracking time and performs best in I-V curves but do not have a maximum power point at the knee. Both adaptive cuckoo and PSO perform well in tracking the global maximum power point, particularly in partial shadings. The study provides insights into the strengths and weaknesses of each algorithm in different scenarios and can guide the selection of an appropriate algorithm for a given PV system.
Pengaruh Pola Permukaan pada Absorption Coefficient Material Aluminium Aphar, Takdir Mutahli; Balfas, Muhammad; Kamil, Kusno
Innovative: Journal Of Social Science Research Vol. 5 No. 4 (2025): 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.v5i4.20915

Abstract

When planning a building, indoor noise levels also need to be considered. Noise is unwanted sound. The World Health Organization (WHO) considers 70 dBA to be the maximum safe noise level in the workplace. Aluminum is a chemical element in group IIIA of the periodic table, with atomic number 13 and atomic weight 26.98 grams per mole (amu). Acoustic material is a material that can absorb sound coming from a sound source. Sound is a mechanical rotational wave in air or a solid object that can still be detected by the normal human ear with a frequency range of between 20-20,2000 Hz that propagates through solid, liquid, and gaseous media that can be detected by the human senses. Absorption coefficient is the change of energy from sound energy into heat or heat energy. The quality of soundproofing material is indicated by the value of α (the absorption coefficient of the material against sound), the greater α, the better it is used as a soundproofing. Of the three best specimens, namely aluminum Aluminum without holes max value 0.10, the average value obtained is 0.10 and the min value obtained is 0.10. Of the four best specimens, namely aluminum with a depth of 4 mm diameter 6 mm 0.11 and aluminum 6 mm diameter 12 mm of 0.10 and without holes 0.10. Having two of the best specimens at a thickness of 8 mm so that aluminum with the most effective sound attenuation ability is aluminum with a diameter of 6 mm with a depth value of 4 mm and 6 mm. Key words: aluminum, depth and diameter.            
Analysis of the Economic Potential of Organic Fertilizer from Biogas Digister Waste (Slurry) Hamri; Kamil, Kusno; Altim, Muh. Zainal
International Journal of Applied Research and Sustainable Sciences Vol. 2 No. 3 (2024): March 2024
Publisher : MultiTech Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59890/ijarss.v2i3.1603

Abstract

Fertilization is one of the important activities in cultivation to increase plant productivity. The application of fertilizers into the soil aims to increase and / or maintain soil inorganic fertility, where soil inorganic fertility is assessed based on the availability of nutrients in the soil, both macro nutrients and micro nutrients in biological waste that is easily obtained from the environment around us, recycled and overhauled with the help of decomposer microorganisms such as bacteria and fungi into nutrients that can be absorbed by plants, the decomposition of organic matter into organic fertilizer can take place naturally. The decline in soil organic matter content is thought to be caused by agricultural cultivation methods that pay less attention to organic matter content. One of them is the use of chemical fertilizers that are very intensive. Farmers pay more attention to the addition of chemical nutrients and do not pay attention to organic matter. Organic fertilizers play a role in increasing the physical, chemical and biological fertility of soil and making the use of inorganic fertilizers more efficient. The purpose of this research is to analyze the results of organic liquid fertilizer produced by the biogas digester (slurry), calculate the economic potential generated from the biogas digester. The capacity of the alt digester used is four cubic, with a mixture of one liter of cow dung, four liters of water, how to fill it every day until the eighteenth day produces nitrogen which is still low, which is an average average of 0.072%, for phosphorus 5.13 mg/100g and potassium is 4.87 mg/100 grams. As for the potential income of Rp 159.500,- for 10 days with an input of one liter of cow dung with four liters of water, if one month is assumed to be 30 days then 3 x Rp 159.500,- = Rp 478 500,- per month. However, if the input capacity is increased to ten times, the potential income is IDR 4,785,000 per month.
Co-Authors Alghamdi , Ahmed Saed Altim, Muh. Zainal Andi Syarifuddin Aphar, Takdir Mutahli Atim, Muh Zainal Balfas, Muhammad BASALAMAH, ABDULLAH Eren, Halit Hamri Hamri, Hamri Hartono, Sriwijanaka Yudi Pakka, Hariani Rustam Efendi Salmiah