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All Journal Jurnal Dinamika Pendidikan Jurnal RISA Physics Education Research Journal
Samuel Gideon, Samuel
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Civil Engineering, Building, Construction & Architecture Education Physics

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PEMBELAJARAN SIMULASI PENCITRAAN CT DENGAN MENGGUNAKAN PRINSIP REKONSTRUKSI CITRA DALAM SOFTWARE MATLAB Gideon, Samuel
Jurnal Dinamika Pendidikan Vol 8 No 3 (2015): NOVEMBER
Publisher : Jurnal Dinamika Pendidikan

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Abstract

This research was conducted as a learning alternatives for study of CT (computed tomograpghy) imaging using image reconstruction technique which are inversion matrix, back projection and filtered back projection. CT imaging can produce images of objects that do not overlap. Objects more easily distinguishable although given the relatively low contrast. The image is generated on CT imaging is the result of reconstruction of the original object. Matlab allows us to create and write imaging algorithms easily, easy to undersand and gives applied and exciting other imaging features. In this study, an example cross-sectional image recon-struction performed on the body of prostate tumors using. With these methods, medical prac-titioner (such as oncology clinician, radiographer and medical physicist) allows to simulate the reconstruction of CT images which almost resembles the actual CT visualization techniques.Keywords : computed tomography (CT), image reconstruction, Matlab
PERAN MEDIA PEMBELAJARAN FISIKA GERAK BAGI PELAJAR DAN MAHASISWA Gideon, Samuel
Jurnal Dinamika Pendidikan Vol 9 No 3 (2016): NOVEMBER
Publisher : Jurnal Dinamika Pendidikan

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ABSTRACTThis research discusess the physics of motion particulally contained in the mobile gameUltraflow so this game could be an alternative media that can help teachers to explainphysics of motion to students in an interesting way and not boring. This research studyphysics focused on physics of motion which are contained in part 1, 2, 3 and 6 of thegame and only one level that that had been chosen as representation of these parts.Level 7 had been selected as the representation of part 1, level 13 had been selectedas the representation of part 2, level 24 had been selected as the representation of part3 and level 40 had been selected as the representation of part 6. Eventually, thesechosen levels had been analyzed by evaluating the physics of motion contained intherein.Keywords: game, physics of motion, UltraflowABSTRAKPenelitian ini membahas materi fisika gerak secara khusus yang terkandung di dalammobile game Ultraflow sehingga game ini dapat menjadi alternatif mediapembelajaran yang dapat membantu pendidik untuk menjelaskan materi fisika gerakkepada peserta didik dengan cara yang menarik dan tidak membosankan. Padapenelitian ini kajian yang fisika akan dilakukan hanya difokuskan pada bagian 1, 2, 3dan 6 dan hanya memilih salah satu level yang dapat dianggap mewakili keempatbagian tersebut. Untuk bagian 1 dipilih level 7, untuk bagian 2 dipilih level 13, untukbagian 3 dipilih level 24 dan untuk bagian 6 dipilih level 40. Kemudian, selanjutnyatiap-tiap level yang telah dipilih tersebut dianalisis dengan melakukan kajian-kajianfisika gerak yang terkandung di dalamnya.Kata kunci: game, fisika gerak, Ultraflow
PENENTUAN MASSA JENIS OLI SECARA SEDERHANA DENGAN HUKUM ARCHIMEDES Gideon, Samuel; Tarigan, Enda Rasilta
Physics Education Research Journal Vol 2, No 1 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (277.814 KB) | DOI: 10.21580/perj.2020.2.1.5058

Abstract

The most commonly used method for measuring the density of liquids is based on Archimedes' law. Lubricating oil generally has a defined density standard to show the quality of the oil. The purpose of this study is to determine oil density simply by applying Archimedes' law. This research was conducted in three steps. First, the measurement of the empty pycnometer. Second, the measurement of the pycnometer mass containing distilled water and oil. Third, measurement of copper mass in the medium of air, distilled water and oil. From the results of measurements and calculations, the obtained density of distilled water is (0.995 ± 3,582 x 10-4) gr/cm3 whose value is very close to the value of 1 gr/cm3 so that the distilled water used in this study is suitable as a reference/standard in finding volume copper; oil density is (0.868 ± 2.14 x 10-3) gr/cm3 whose value is very close to the value of oil density measured and calculated with a pycnometer of (0.875 ± 4.637 x 10-4) gr/cm3.
PENEMPATAN TURBIN ANGIN OPTIMAL UNTUK GEDUNG PUSAT PEMBELAJARAN ARNTZ-GEISE 2 UNIVERSITAS KATOLIK PARAHYANGAN, BANDUNG UNTUK MENGHASILKAN ENERGI BERSIH SEPANJANG TAHUN Gideon, Samuel; Purnama, Mimie
Riset Arsitektur (RISA) Vol 8 No 04 (2024): RISET ARSITEKTUR "RISA"
Publisher : Department of Architecture, Faculty of Engineering Parahyangan Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/risa.v8i04.8586.388-405

Abstract

Abstract-In today’s climate condition, green building technologi is no longer a luxury but a necessity. Wind is one of the natural resources that we can harvest using wind turbines to generate clean energy. Unfortunately, winds that blows in cities on tropical countries tends to have less speed than ones that blows in other climates and areas. Fortunately, winds speed can be manipulated through building orientation and forms to produce high speed winds that can be used by wind turbines to generate clean energy. There are many wind phenomenons that occurs due to building orientation and form, some of these phenomenons are: Wind Tunnel Effect, Cumulative Effect, and winds on the peaks of buildings. Other than that, buildings that have sharp edges tend to produce higher wind speeds than those that have curved edges. Pusat Pembelajaran Arntz-Geise 2 (PPAG 2) UNPAR, Bandung is a building that can produce these 4 phenomenons in order to generate high speed winds through its form and orientation. This evaluative research will analyze PPAG 2’s form againts winds that it will experience and evaluate where in the building are optimal spots to install wind turbines. The wind datas that will be used is a daily data throughout 2021. Those data will then be used as a base for wind simulations using the Computational Fluid Dynamics (CFD) Software. The results from the simulation will be analyzed to determine the optimal placements of wind turbines in order for PPAG 2 to generate clean energy year-round. The result of this research says that all outer edges of PPAG 2 is suitable for wind turbine placements, along with the top of both towers and the bridge connecting the northern and souther tower. Keywords: Wind Turbine, PPAG 2, placement, year-round, clean energy
PENEMPATAN TURBIN ANGIN OPTIMAL UNTUK GEDUNG PUSAT PEMBELAJARAN ARNTZ-GEISE 2 UNIVERSITAS KATOLIK PARAHYANGAN, BANDUNG UNTUK MENGHASILKAN ENERGI BERSIH SEPANJANG TAHUN Gideon, Samuel; Purnama, Mimie
Jurnal Riset Arsitektur Vol 8 No 04 (2024): RISET ARSITEKTUR "RISA"
Publisher : Program Studi Arsitektur, Fakultas Teknik, Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/risa.v8i04.8586.388-405

Abstract

Abstract-In today’s climate condition, green building technologi is no longer a luxury but a necessity. Wind is one of the natural resources that we can harvest using wind turbines to generate clean energy. Unfortunately, winds that blows in cities on tropical countries tends to have less speed than ones that blows in other climates and areas. Fortunately, winds speed can be manipulated through building orientation and forms to produce high speed winds that can be used by wind turbines to generate clean energy. There are many wind phenomenons that occurs due to building orientation and form, some of these phenomenons are: Wind Tunnel Effect, Cumulative Effect, and winds on the peaks of buildings. Other than that, buildings that have sharp edges tend to produce higher wind speeds than those that have curved edges. Pusat Pembelajaran Arntz-Geise 2 (PPAG 2) UNPAR, Bandung is a building that can produce these 4 phenomenons in order to generate high speed winds through its form and orientation. This evaluative research will analyze PPAG 2’s form againts winds that it will experience and evaluate where in the building are optimal spots to install wind turbines. The wind datas that will be used is a daily data throughout 2021. Those data will then be used as a base for wind simulations using the Computational Fluid Dynamics (CFD) Software. The results from the simulation will be analyzed to determine the optimal placements of wind turbines in order for PPAG 2 to generate clean energy year-round. The result of this research says that all outer edges of PPAG 2 is suitable for wind turbine placements, along with the top of both towers and the bridge connecting the northern and souther tower. Keywords: Wind Turbine, PPAG 2, placement, year-round, clean energy
Co-Authors Mimie Purnama Tarigan, Enda Rasilta