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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Fisika Unand JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Edufisika: Jurnal Pendidikan Fisika JOURNAL ONLINE OF PHYSICS Jurnal Fisika FLUX JIKO (Jurnal Informatika dan Komputer) Rang Teknik Journal SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Saintek Lahan Kering Jurnal Ipteks Terapan Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Ensiklopedia of Journal Jurnal Pendidikan Fisika dan Teknologi MONSU'ANI TANO Jurnal Pengabdian Masyarakat INTEGRITAS : Jurnal Pengabdian Jurnal Teknika BERNAS: Jurnal Pengabdian Kepada Masyarakat Natural Science: Jurnal Penelitian Bidang IPA dan Pendidikan IPA Jurnal Pengabdian kepada Masyarakat Nusantara Journal of Civil Engineering and Planning (JCEP) Journal of Multidisciplinary Applied Natural Science Jurnal Ipteks Terapan : research of applied science and education pendidikan, science, teknologi, dan ekonomi Jurnal Informatika Teknologi dan Sains (Jinteks) Indonesian Journal of Community Empowerment and Service J-Icon : Jurnal Komputer dan Informatika Atom Indonesia
Ramacos Fardela
Universitas Andalas
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Journal : Jurnal Fisika Unand

 1 
Analisis Korelasi Umur, Massa Tubuh dan Faktor Eksposi Terhadap Entrance Surface Air Kerma pada Pemeriksaan Thorax di Rumah Sakit Universitas Andalas Suci Indah Sari; Dian Milvita; Ramacos Fardela; Ida Bagus Gede Putra Pratama; Amel Oktavia S
Jurnal Fisika Unand Vol 13 No 5 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.5.602-609.2024

Abstract

Research has been conducted on the correlation analysis of age, body mass, and exposure factors to Entrance Surface Air Kerma (ESAK) in the Radiology Installation of Andalas University Hospital. The study was conducted by collecting data on adult thorax examination patients over 15 years of age and body mass (60 ± 10) kg in Posterior-Anterior (PA) and Anterior-Posterior (AP) projections for ± 5 months. Patient data used in PA projections are 107 patient data with the Automatic Exposure Control (AEC) method, 9 patient data with manual methods and 10 AP projection patient data with manual methods. Analysis was conducted using the Pearson correlation test. The results showed that body mass and exposure factors have a very strong relationship with ESAK as indicated by r = 0.805 to 0.990. As body mass and exposure factor increase, the average ESAK received by patients will increase, while age has a weak relationship with ESAK as shown by r = -0,246 to 0,227.
Analisis Korelasi Usia, Massa Tubuh, mAs, dan Dosis Efektif Terhadap CTDIvol dan DLP pada Pemeriksaan CT-Scan Pasien Dewasa Wafi Muthia Dewanti; Dian Milvita; Ramacos Fardela; Ida Bagus Gede Putra Pratama; Sri Herlinda
Jurnal Fisika Unand Vol 13 No 4 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.4.579-586.2024

Abstract

A research study has been conducted on the correlation analysis of age, body mass, mAs, and effective dose with Computed Tomography Dose Index Volume (CTDIvol) and Dose Length Product (DLP) in CT-Scan examinations at the Radiology Department of Dr. M. Djamil Padang General Hospital. The research utilized data from adult patients aged 15 years and above with a standard body mass (60 ± 10) kg in non-contrast CT scans of the head, chest, and abdomen, with a total of 586 patients collected over a period of 3 months. The analysis was conducted using Pearson correlation test. The research results indicate that the effective dose has a very high correlation with DLP, with a coefficient of 1 and mAs has a very high correlation with CTDIvol and DLP, with a coefficient of 0,9. Body mass has a relatively high correlation with CTDIvol and DLP, ranging from 0,4 to 0,7 except in head examinations. Age has a moderately significant correlation with CTDIvol and DLP, ranging from 0,1 to 0,5.
Analisis Reaktivitas Thorium Molten Salt Reactor 500 Berdasarkan Skenario Penggunaan Control Rod Menggunakan OpenMC Eza Pelita Zebua, Fajri; Handayani Irka, Feriska; Raflis, Helen; Fardela, Ramacos; Fitriyani, Dian
Jurnal Fisika Unand Vol 14 No 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.14.2.167-176.2025

Abstract

Neutron calculation simulation with the TMSR-500 conceptual reactor model was carried out for the development of reactivity control in the reactor. The control of reactivity is regulated by the use of a control rod for the shutdown rod and a regulating rod on the reactor. The simulation was carried out using OpenMC computational code and the nuclear data ENDF/B-VII.1. The reactivity value is calculated based on the use scenario of the control rod for each reactor operating condition set with a reactivity margin limit of ≤ 5% dk/k to control reactivity during operation and ≤ 0,5% dk/k during shutdown. The simulation of reactivity control during operation was calculated based on the use scenario of 0% Gd2O3-100% graphite, 25% Gd2O3-75% graphite, 50% Gd2O3-50% graphite, 75% Gd2O3-25% graphite, and 100% Gd2O3-0% graphite. Then, in the shutdown condition, the scenario is set with the use of control rods by Gd2O3 and graphite. The simulation results show that the reactor has an excess reactivity of >5% dk/k. The Control Safety Device (CSD) simulation is able to suppress reactivity ≤ 5% dk/k, but the flux distribution is unevenly distributed. The results of the calculation on the optimization the reactor by the fuel radius with the scenario of using a control rod of 25% graphite-75% Gd2O3 succeeded in controlling the reactivity with a margin of 1,0111±0,00013 (0,108% dk/k). Based on the research, the criticality level of the TMSR 500 is determined by the optimization of the fuel radius and the reactivity can be controlled based on the use scenario of the control rod.
Analisis Korelasi Umur, Massa Tubuh dan Faktor Eksposi Terhadap Entrance Surface Air Kerma pada Pemeriksaan Thorax di Rumah Sakit Universitas Andalas Sari, Suci Indah; Milvita, Dian; Fardela, Ramacos; Pratama, Ida Bagus Gede Putra; S, Amel Oktavia
Jurnal Fisika Unand Vol 13 No 5 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.5.602-609.2024

Abstract

Research has been conducted on the correlation analysis of age, body mass, and exposure factors to Entrance Surface Air Kerma (ESAK) in the Radiology Installation of Andalas University Hospital. The study was conducted by collecting data on adult thorax examination patients over 15 years of age and body mass (60 ± 10) kg in Posterior-Anterior (PA) and Anterior-Posterior (AP) projections for ± 5 months. Patient data used in PA projections are 107 patient data with the Automatic Exposure Control (AEC) method, 9 patient data with manual methods and 10 AP projection patient data with manual methods. Analysis was conducted using the Pearson correlation test. The results showed that body mass and exposure factors have a very strong relationship with ESAK as indicated by r = 0.805 to 0.990. As body mass and exposure factor increase, the average ESAK received by patients will increase, while age has a weak relationship with ESAK as shown by r = -0,246 to 0,227.
Analisis Korelasi Usia, Massa Tubuh, mAs, dan Dosis Efektif Terhadap CTDIvol dan DLP pada Pemeriksaan CT-Scan Pasien Dewasa Dewanti, Wafi Muthia; Milvita, Dian; Fardela, Ramacos; Pratama, Ida Bagus Gede Putra; Herlinda, Sri
Jurnal Fisika Unand Vol 13 No 4 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.4.579-586.2024

Abstract

A research study has been conducted on the correlation analysis of age, body mass, mAs, and effective dose with Computed Tomography Dose Index Volume (CTDIvol) and Dose Length Product (DLP) in CT-Scan examinations at the Radiology Department of Dr. M. Djamil Padang General Hospital. The research utilized data from adult patients aged 15 years and above with a standard body mass (60 ± 10) kg in non-contrast CT scans of the head, chest, and abdomen, with a total of 586 patients collected over a period of 3 months. The analysis was conducted using Pearson correlation test. The research results indicate that the effective dose has a very high correlation with DLP, with a coefficient of 1 and mAs has a very high correlation with CTDIvol and DLP, with a coefficient of 0,9. Body mass has a relatively high correlation with CTDIvol and DLP, ranging from 0,4 to 0,7 except in head examinations. Age has a moderately significant correlation with CTDIvol and DLP, ranging from 0,1 to 0,5.
Co-Authors A. Fadhil Desafa Adinda Putri Adrial, Rico Afdal Afdal Afdal Afdal, Afdal Afdhal Muttaqin Ahmad Fauzi Pohan Al Hafidz Abdu Aziz Alimin Mahyudin Almahdi Mousa Almuhayar, Mawanda Amel Oktavia S Analia, Rika Andriani, Innes Andriati, Susi Annisa, Hafizha Fitri Arif Budiman Arif Budiman Arif Rizki Marsa Armysa, Rindina Astuti Astuti Astuti - Astuti Astuti Atika Maulida Atika Maulida Budiarni, Rini Candra, Ega Septryan Dahlianum, Dahlianum Dahyunir Dahlan Damayanti, Elok Dedi Mardiansyah Della Amelia Delvihardini, R. Delvihardini, Rani Dewanti, Wafi Muthia Dian Fitriyani Dian Fitriyani Dian Milvita Dina Arfiani Rusjdi Dio Dio Dio Marta Dinata Dwi Pujiastuti Dwi Pujiastuti Dwi Puryanti Eka Putra Sutantyo, Tringginas Elistia Liza Namigo, Elistia Elvaswer Elvaswer Elvaswer Eza Pelita Zebua, Fajri Fatma Ira Wahyuni Feriska Handayani Feriska Handayani Irka, Feriska Handayani Fiqi Diyona Fiqi Diyona Fiqi Diyona Fiqi Diyona Fiqi Diyona Fiqi Diyona, Fiqi Hafsah Amraty Haldis Alvaro Handayani Irka, Feriska Hanifah Asnur Harmadi Harmadi Herviya, Herviya Herviyana, Herviyana hilda fenia Ida Bagus Gede Putra Pratama Ida Bagus Gede Putra Pratama Ida Bagus Gede Putra Pratama Imam Taufik Imam Taufiq Imam Taufiq Innes Andriani Isdi, Muhammad Ridho Kusminarto Kusminarto Latifah Aulia Rasyada Lilik Suhery, Lilik M. Ali Shafii Marzuki Marzuki Masdar, Astuti Maulida, Atika Mawanda Almuhayar Meqorry Yusfi Milvita, D. Mohammad Ali Shafii Mora Mora Mora Mora Mora Mousa, Almahdi MS Firman Maulana Muldarisnur, Mulda Musra, Faizah Mutya Vonnisa Nini Firmawati Noviardi Noviarti Noviarti Nuri Aslami Oktavia, A. Oktavia, Amel Olly Norita Tetra Pratama, I. B. G.P. Pratama, Ida Bagus Gede Putra Putri, Adinda Mahesa Raflis, Helen Rahmad Rasyid Rahmad Rasyid Rahmat Rasyid Rani Delvihardini Rani Delvihardini Ranti Irsa Rapitri, Juli Fardilla Diana Rasyada, Latifah Aulia Ria Ambarwati Ridwan, Ridwan Rifwandi, Rial Rika Analia Rika Analia Rika Analia Rini Yunita S, Amel Oktavia Sari, Suci Indah Selly, Jannes Bastian Solly Aryza Sri Handani Sri Herlinda Sri Herlinda, Sri Sri Oktamuliani Sri Purwaningsih Sri Tria Siska Suci Indah Sari Suci Ramda Rena Suci Ramda Rena Sutria Desman Syamsuir, Elvi Trengginas Eka Putra Trengginas Eka Putra Sutantyo Umar Khatab Usna, Sri Rahayu Alfitri Veithzal Rivai Zainal Wafi Muthia Dewanti Wahyuni, Ade Wiguna, Gede Arya Wildian Wildian Yoga Apriananda Ziarah, Hikmah Zozy Aneloi Noli Zulfi Zulfi Zulfi Zulfi Zulfi Zulfi Zulfi