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All Journal Malikussaleh Journal of Mechanical Science Technology Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya
Faisal, F
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Automotive Engineering Control & Systems Engineering Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering

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Pengaruh Variasi Campuran Bahan Bakar Oli Bekas (used oil) dan Minyak Jelantah Terhadap Unjuk Kerja Kompor (burner) Pranata, Tri Agung; Sayuthi, Muhammad; Amani, Yasir; Faisal, F; Rizki, Muhammad Nuzan
Malikussaleh Journal of Mechanical Science and Technology Vol 8, No 1 (2024): Malikussaleh Journal of Mechanical Science and Technology
Publisher : Malikussaleh University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v8i1.16970

Abstract

As the era progresses, conventional fuel becomes more expensive This causes people to experience fuel difficulties daily cooking needs due to economic shortages. hence the used oil and used cooking oil is an alternative energy. but oil is needed special treatment so that it can be used as fuel. make an alternative stove fueled by economical used oil could be the solution. Method Experimental is a quantitative method used to determine variables independent (treatment) to the influence of the dependent variable (outcome) in the condition which is under control. The research uses three variables, namely the independent variable, fixed variable and dependent variable. which is where testing is carried out with water boiling test method. The fastest start-up time data is obtained by the material Burn used cooking oil in 5 minutes and take the longest to get oil used with a time of 6 minutes. shortest boiling time obtained used cooking oil, namely 5.28 minutes. and for thermal data efficiency for each material burn ranges from 14% to 26%. fuel consumption ranges from 0.526kg to 0.615kg. The boiling point of water is 99.93℃. From the variations of the three fuels used in testing, namely used oil, used cooking oil, and used oil with mixture of used cooking oil, used cooking oil is a type of fuel the most optimal with a thermal efficiency value of 26%, fuel consumption 0.615 kg/hour. better match the blower speed to the nozzle hole.
Kendali Optimal pada Penentuan Interval Waktu dan Dosis Optimal pada Penyakit Malaria Affandi, Pardi; Faisal, F; Salam, Nur
Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya 2018: Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1844.554 KB)

Abstract

Dalam penelitian ini dibahas terbentuknya model penyebaran malaria mengikuti model SIR yang terdiri dari tiga kompartemen kelompok susceptible (rentan), kelompok infected (terinfeksi) dan kelompok recovered (sembuh). Terlebih dahulu dibentuk model persamaan diferensialnya. Dari model ditentukan titik kestabilan dari sistem sehingga diperoleh titik endemik dan titik ekuilibrium bebas penyakit. Langkah selanjutnya menggunakan Kendali optimal berupa pengaruh dosis obat pada model yang terbentuk dengan melibatkan Hamiltonian dan maksimum Pontryagin, selanjutnya dari model dilakukan simulasi untuk dapat mengetahui pengaruh kontrol obat untuk menentukan interval waktu optimum, dan dosis optimal pada model penyebaran malaria yang terbentuk.
Co-Authors Muhammad Nuzan Rizki Muhammad Sayuthi Nur Salam Pardi Affandi Pranata, Tri Agung Yasir Amani