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All Journal POSITRON PRISMA FISIKA JURNAL FISIKA Jurnal Fisika Unand Jurnal Fisika FLUX Jurnal Penelitian Pendidikan IPA (JPPIPA) BULETIN AL-RIBAATH Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat
Hasanuddin Hasanuddin
Program Studi Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Tanjungpura
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing Physics Other

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Studi Dinamika Molekular Gas Karbon Dioksida dalam struktur es XVII Arman, Yudha; Artedi; Hasanuddin
Jurnal Penelitian Pendidikan IPA Vol 11 No 1 (2025): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i1.8336

Abstract

We conducted a molecular dynamics study on CO2 hydrate within the ice XVII structure to examine the molecular diffusion of CO2 molecules, as it is essential to the hydrate potential as a carbon capture. The simulated CO2 hydrate system used 324 water molecules and 90 CO2 molecules. We used the TIP4P/Ice model for water molecules, and the CO2 molecules were treated as united atom. The simulations were carried out at 273,15 K under various pressures of 200 MPa, 500 MPa, and 1000 MPa for 1,50 ns, with a step size of 1 fs. The results showed that the CO2 molecules were confined and freely moved inside the cage-like chiral tube along the c-axis of the ice XVII structure. No significant inter-cage hopping was observed during the evolution of all simulated systems. The diffusion coefficient values for CO2 molecules within the ice XVII structure were 5.03 × 10-8 cm2s-1, 2.45 × 10-8 cm2s-1, and 8.86 × 10-8 cm2s-1  for the respective pressure variations of 200 MPa, 500 MPa, and 1000 MPa, resulting in an inverse proportional with the system's pressure. A higher diffusion coefficient facilitates a faster the mass transfer and adsorption rate of CO2 in formation build up of the CO2 hydrate system.
Aplikasi Sensor MQ-3 dan Arduino Uno untuk Mengukur Kadar Alkohol dalam Minuman Tradisional Dawar, Teofilipus; Hasanuddin, Hasanuddin; Nugroho, Bintoro Siswo
Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika Vol 8 No 2 (2025): Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jtf.2025.8.2.16708

Abstract

Penelitian ini bertujuan untuk merancang dan membangun alat pengukur kadar alkohol yang ekonomis dan mudah dioperasikan menggunakan Arduino Uno dan sensor MQ-3. Alat ini dikembangkan untuk mendeteksi konsentrasi alkohol pada minuman, khususnya minuman tradisional yang umumnya tidak mencantumkan kadar alkohol secara eksplisit. Perancangan mencakup penggabungan komponen perangkat keras seperti sensor MQ-3, Arduino Uno, dan LCD 16×2, serta pemrograman melalui Arduino IDE. Kalibrasi alat dilakukan terhadap larutan alkohol dengan konsentrasi 5–40%. Hasil kalibrasi menunjukkan hubungan fungsi logaritmik dengan nilai R² = 0,9971 antara nilai sensor dan konsentrasi alkohol. Pengujian dilakukan terhadap minuman beralkohol dan berlabel yang menunjukkan bahwa alat mampu mengukur kadar alkohol dengan tingkat kesalahan relatif antara 5–20%. Dengan menggunakan alat ini, beberapa sampel minuman tradisional beralkohol dapat ditentukan kadar alkoholnya seperti tuak 7%, tajok 17%, dan arak 33,75%. Penelitian ini dapat memberikan kontribusi berupa solusi alternatif pengukuran kadar alkohol yang terjangkau dan aplikatif di masyarakat.
Co-Authors Andi Hairil Alimuddin Artedi Asifa Asri Azrul Azwar Bintoro Siswo Nugroho Dala Novika Sandi Dawar, Teofilipus Dwiria Wahyuni Febriyanto, Ferdy Firman Saputra H., Cindy Priscilla Harmawanda, Salsabila Haryanti, Nida Hendra Perdana Herli Herli Ilham Lazuardy Arief Irfana Diah Faryuni Joko Sampurno Maulana Febri Agung Wardana Mega Nurhanisa Muhammad Azis Dwi Ludfi Irfandi Muhardi Muliadi Muliadi Nurhasanah Nurhasanah Nurhasanah Nurhasanah Raditiya, Muhammad Rio Andreano Risko, Risko Riza Adriat Sari Sari Suhardi Untarto, Fikri Yudistira Eka Praja Veronika Pitri Wahyu Hidayat Wahyu Hidayat Yeni Apriyanti Yoga Satria Putra Yudha Arman Yudhi Yuris Sutanto Zikri, Era Zulfian Zulfian