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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Ahkam: Jurnal Ilmu Syariah Masalah-Masalah Hukum Jurnal Pendidikan dan Pengajaran Jurnal Legalitas Indonesian Journal of Educational Studies Jurnal Media Infotama Paramita: Historical Studies Journal Substantia: Jurnal Ilmu-Ilmu Ushuluddin Jurnal Teknologi Informasi dan Ilmu Komputer JURNAL KONFIKS IMAGE Rechtsidee Jurnal Terapan Abdimas Jurnal Sejarah dan Budaya Jurnal Dinamika Pengabdian (JDP) JURNAL KEPEMIMPINAN DAN PENGURUSAN SEKOLAH Jurnal Manajemen Pendidikan Jurnal Pertanian Terpadu Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Hasanuddin Economics and Business Review Arabi : Journal of Arabic Studies MLJ RETORIKA: Jurnal Bahasa, Sastra, dan Pengajarannya Tadbir : Jurnal Studi Manajemen Pendidikan Sawala : Jurnal Administrasi Negara Metode : Jurnal Teknik Industri Al-Hayat: Journal of Islamic Education Al-I´lam: Jurnal Komunikasi dan Penyiaran Islam Jurnal Ilmiah Telaah Jurnal Ius Constituendum Journal AL-MUDARRIS JPF : JURNAL PENDIDIKAN FISIKA JURNAL PENDIDIKAN TAMBUSAI JKIE (Journal Knowledge Industrial Engineering) JURNAL HERITAGE Jurnal Basicedu FIKRAH Mimbar Ilmu Journal of Moral and Civic Education JOURNAL OF SCIENCE AND SOCIAL RESEARCH JIK- JURNAL ILMU KESEHATAN Al-Falah: Jurnal Ilmiah Keislaman dan Kemasyarakatan JISIP: Jurnal Ilmu Sosial dan Pendidikan Patrawidya: Seri Penerbitan Penelitian Sejarah dan Budaya Lembaran Sejarah Jurnal Fisika : Fisika Sains dan Aplikasinya Journal of Politics and Policy (JPPOL) Tunas Siliwangi : Jurnal Program Studi Pendidikan Guru PAUD STKIP Siliwangi Bandung Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Dinamika UMT Jurnal Yustitia Imajiner: Jurnal Matematika dan Pendidikan Matematika Cakrawala Indonesia Transparansi Hukum Handep: Jurnal Sejarah dan Budaya Al-Bukhari: Jurnal Ilmu Hadis JURNAL AKUNTANSI KEUANGAN DAN MANAJEMEN Jurnal Mnemonic JATI (Jurnal Mahasiswa Teknik Informatika) Jurnal Ilmiah Profesi Pendidikan Jurnal Inovasi dan Teknologi Pembelajaran (JINOTEP) Kajian dan Riset Dalam Teknologi Pembelajaran TSAQOFIYA : Jurnal Pendidikan Bahasa dan Sastra Arab Jurnal Ilmiah Al-Mu'ashirah: Media Kajian Al-Qur'an dan Al-Hadits Multi Perspektif JIIP (Jurnal Ilmiah Ilmu Pendidikan) Community Development Journal: Jurnal Pengabdian Masyarakat JURNAL USM LAW REVIEW Tuturlogi: Journal of Southeast Asian Communication INDONESIA: Jurnal Pembelajaran Bahasa dan Sastra Indonesia JURNAL DE JURE MUHAMMADIYAH CIREBON Alauddin Law Development Journal (ALDEV) As Sibyan : Jurnal Kajian Kritis Pendidikan Islam dan Manajemen Pendidikan Dasar Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Jurnal Teknik Informatika (JUTIF) Mattawang: Jurnal Pengabdian Masyarakat Jurnal Kewarganegaraan AR-RIAYAH : Jurnal Pendidikan Dasar Jurnal Riset dan Inovasi Pembelajaran Cokroaminoto Journal of Primary Education Panrannuangku Jurnal Pengabdian Masyarakat Magnetic: Research Journal of Physics and It’s Application Jurnal Pengabdian Masyarakat (ABDIRA) Bima Journal : Business, Management and Accounting Journal Jurnal Ar-Ribh Jurnal Pengabdian Kepada Masyarakat Patikala Journal mechanical and manufacture technology (JMMT) At-Tadbir : Jurnal Manajemen Pendidikan Islam Biopedagogia IBLAM Law Review Tasamuh: Jurnal Komunikasi dan Pengembangan Masyarakat Islam Improvement: Jurnal Manajemen dan Bisnis Society: Jurnal Pengabdian Masyarakat Bureaucracy Journal : Indonesia Journal of Law and Social-Political Governance Al Hikmah : Jurnal Studi Keislaman Didaktika Religia Al-Manahij : Jurnal Kajian Hukum Islam Formosa Journal of Applied Sciences (FJAS) Online Learning in Educational Research Elementary Journal : Jurnal Pendidikan Guru Sekolah Dasar Jurnal Dehasen Untuk Negeri Edu Society: Jurnal Pendidikan, Ilmu Sosial dan Pengabdian Kepada Masyarakat JURISY: Jurnal Ilmiah Syariah JEER (Journal of Elementary Educational Research) re-JIEM (Research Journal of Islamic Education Management) Al Irsyad: Jurnal Studi Islam Uninus Journal of Mathematics Educations and Science (UJMES) Journal of Accounting and Finance Management (JAFM) Education, Language, and Culture Journal Reformasi Hukum Proceeding ISETH (International Summit on Science, Technology, and Humanity) AGRIEKSTENSIA Jurnal Pendidikan Dasar Borneo (Judikdas Borneo) JTechLP Jurnal Basicedu ABDINE Jurnal Pengabdian Masyarakat Jurnal Pengabdian Kepada Masyarakat (JPKM) Mutlaqah: Jurnal Kajian Ekonomi Syariah TAKSONOMI JoEELE Internet of Things and Artificial Intelligence Journal Jurnal Manajemen Bisnis, Akuntansi dan Keuangan Jurnal InterAct Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Al-Irsyad: Journal of Education Science Jurnal Masyarakat Madani Indonesia PONGGAWA : Journal of Fisheries Socio-Economic Journal of Gurutta Education Jurnal Penelitian Jurnal Dehasen Mengabdi Vokatek : Jurnal Pengabdian Masyarakat Seminar Nasional Hasil Penelitian LP2M UNM International Journal of Education and Humanities Jurnal Lembaga Pengabdian Kepada Masyarakat Undana Journal of Research in Educational Management ALENA : Journal of Elementary Education Geosains Kutai Basin ILTEK : Jurnal Teknologi ISLAMICA : Jurnal Ilmu-Ilmu Agama Islam Jurnal Pengabdian dan Pengembangan Inovasi Kepada Masyarakat (PENAMAS) Jurnal Kemitraan Responsif untuk Aksi Inovatif dan Pengabdian Masyarakat ABDIMASY: Jurnal Pengabdian Kepada Masyarakat West Science Social and Humanities Studies Majority Science Journal Metrik Serial Humaniora dan Sains TGO Journal of Community Development Jurnal Pengabdian Masyarakat dan Riset Pendidikan ABM: International Journal of Administration, Business and Management AGROTEKBIS: Jurnal Ilmu Pertanian Science, Technology, and Communication Journal El-Sunan: Journal of Hadith and Religious Studies RETORIKA : Jurnal Kajian Komunikasi dan Penyiaran Islam Jurnal Al-Mubarak: Jurnal Kajian Al-Qur'an dan Tafsir Journal of Progressive Information, Security, Computer and Embedded System Retorika: Jurnal Komunikasi, Sosial dan Ilmu Politik FATHIR: Jurnal Studi Islam Scholars: Jurnal Sosial Humaniora dan Pendidikan Jatijajar Law Review Maharot : Journal of Islamic Education Al-Insaf - Jurnal Ahwal Al Syakhshiyyah Jurnal MediaTIK Proceeding Of International Conference On Education, Society And Humanity Konstruktivisme : Jurnal Pendidikan dan Pembelajaran TIJAROTANA : Jurnal Ekonomi dan Bisnis Syariah Fatih: Journal of Contemporary Research Jurnal MEKOM: Media Komunikasi Pendidikan Kejuruan International Journal of Language, Education, and Literature (IJLEL) Asian Journal of Multidisciplinary Research Malaqbiq : Jurnal Pengabdian kepada Masyarakat. MUDARRISA: Jurnal Kajian Pendidikan Islam SCIENTIA JOURNAL : Jurnal Ilmiah Mahasiswa Jurnal Edulanguage: Jurnal Pendidikan Bahasa AUFKLARUNG: Jurnal Kajian Bahasa, Sastra Indonesia, dan Pembelajarannya Jurnal Perjuangan dan Pengabdian Masyarkat: JPPM Ekonomi Syariah, Perbankan, Hukum, dan Sistem Studia Islamika ABDIMAS NUSANTARA Jurnal Bioteknologi & Biosains Indonesia Fikrah : Jurnal Pendidikan Agama Islam Variable Research Journal Scientific Contributions Oil and Gas
Abdul Wahid
Department Of Chemical Engineering, Faculty Of Engineering, Universitas Indonesia. Kampus Baru UI Depok 16424, INDONESIA
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Digital Literacy and Data Security Training for Digital Era Village Cooperative Management Wahid, Abdul; Khoiri, Syarif Aminul
TGO Journal of Community Development Vol. 3 No. 2 (2025): July - December
Publisher : Trescode Green Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56070/jcd.2025.007

Abstract

The Merah Putih Village Cooperative is a village cooperative that has a strategic role in strengthening the people's economy, especially through savings and loan services and trading agricultural products. However, in the digital era, cooperatives still face challenges in the form of low digital literacy of administrators and weak management of member data security. Administrative processes that are still manual and have minimal understanding of cybersecurity risks have the potential to hinder the operational effectiveness and sustainability of cooperatives. This community service activity aims to increase digital literacy and data security awareness for the management of the Merah Putih Village Cooperative through a participatory and collaborative approach. Implementation methods include problem identification, programme dissemination, digital literacy and data security training, application of cloud-based technologies, and post-training mentoring and evaluation. Training includes the use of digital productivity applications, cloud-based document management, as well as the implementation of data security practices such as the use of strong passwords, two-factor authentication and data backup. The results of the activity show a significant increase in the digital competence of the management, the efficiency of cooperative administration, as well as increasing awareness of the importance of member data protection. This activity is the first step in the digital transformation of village cooperatives towards more effective, safe, transparent and sustainable governance, while strengthening synergies between universities, village governments and the community.
The Influence of Marketing and Service Strategies on Loyalty through Customer Satisfaction at ULI OLSHOP Store in North Luwu Regency Wahid, Abdul; M Anwar, Suhardi; Khaddapi, Muammar
BIMA Journal (Business, Management, & Accounting Journal) Vol. 6 No. 2 (2025)
Publisher : Perkumpulan Dosen Muda (PDM) Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/bima.6.2.1355-1368

Abstract

Purpose: The study aims to investigate the influence of marketing strategies and service quality on customer loyalty, using customer satisfaction as a mediating variable at Uli Olshop Store, North Luwu Regency. Methodology: A quantitative approach was used, involving 100 respondents who were customers of Toko Uli Olshop. The data were analyzed using multiple linear regression. Results: The study found that marketing strategies and service quality significantly influence customer loyalty. Marketing strategies do not significantly influence customer satisfaction, while service quality contributes greatly . Customer satisfaction plays an important role in increasing customer loyalty. The coefficient of determination shows that the research model has strong predictive power in explaining the relationship between variables. Findings: Service quality is the dominant factor influencing customer satisfaction, while marketing strategies are more effective at directly influencing loyalty than customer satisfaction. Novelty: This study integrates customer satisfaction as a mediating variable to examine the relationship between marketing strategy, service quality, and customer loyalty in the context of local online stores, which has rarely been studied in small businesses in rural areas. Originality: This study examines a specific case of local e-commerce in North Luwu Regency, providing empirical evidence for the literature on digital marketing and service quality in regional markets. Conclusion: Improving service quality must be a priority to increase customer satisfaction and loyalty, while effective marketing strategies need to be maintained to strengthen loyalty directly. Type of Paper: Empirical Research Article
Penerapan Metode Pembelajaran Make a Match Berbantuan Kartu Bergambar untuk Meningkatkan Hasil Belajar dan Motivasi Siswa Kelas IV di UPTD SD Negeri 72 Barru pada Materi Bagian-Bagian Tumbuhan: Penelitian Wahid, Abdul; Nurdianah, Nurdianah; Ulfa, Maria
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 3 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 3 (Januari 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i3.5093

Abstract

Rendahnya hasil belajar dan motivasi belajar siswa dalam pembelajaran IPA, khususnya materi bagian-bagian tumbuhan, menjadi persoalan nyata di kelas IV UPTD SD Negeri 72 Barru. Pembelajaran yang berlangsung satu arah dan minim interaksi menjadi penyebab utama. Penelitian ini bertujuan menguji keefektifan metode Make A Match berbantuan kartu bergambar dalam mengatasi masalah tersebut. Penelitian Tindakan Kelas (PTK) ini mengadopsi model Kemmis & McTaggart, dilaksanakan dalam dua siklus. Subjek penelitian berjumlah 20 siswa. Teknik pengumpulan data meliputi tes, observasi, dan dokumentasi. Data kuantitatif dianalisis secara statistik deskriptif, sedangkan data kualitatif dianalisis secara interaktif. Hasil penelitian membuktikan terjadinya peningkatan. Nilai rata-rata hasil belajar meningkat dari kondisi awal 63,2 menjadi 71,8 pada siklus I, dan mencapai 82,4 pada siklus II. Ketuntasan belajar klasikal juga mengalami kenaikan signifikan, dari 35% (pra-siklus) menjadi 75% (siklus I), dan akhirnya 92% (siklus II). Data observasi menunjukkan motivasi dan keaktifan siswa meningkat di setiap siklus, mencapai >85% pada siklus II. Simpulan penelitian ini ialah metode Make A Match dengan media kartu bergambar terbukti mampu meningkatkan hasil belajar dan memicu motivasi siswa. Implementasi metode ini disarankan sebagai variasi strategi pembelajaran yang kooperatif dan menyenangkan di sekolah dasar.
OPTIMALISASI PENGGUNAAN SURVEY LINGKUNGAN BELAJAR (SULINGJAR) UNTUK MENINGKATKAN KINERJA GURU Santika, Viosa Vironika; Rahayu, Winar Suci; Wahid, Abdul
Jurnal Kepemimpinan dan Pengurusan Sekolah Vol. 11 No. 1 (2026): Regular Issue (In Progress)
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/jkps.v11i1.939

Abstract

Objective: This study aims to examine the optimization of the use of the Learning Environment Survey (Sulingjar) in improving teacher performance at RA Nyatnyono 01 Semarang, with a focus on reflecting on learning practices and the implementation of the Merdeka Curriculum. Using a descriptive qualitative approach, data were collected through participatory observation over three weeks, semi-structured interviews with six teachers, and document analysis such as Sulingjar results, Education Reports, and government training reports. Data analysis referred to the interactive model of Miles and Huberman (1994), including data reduction, data presentation, and conclusion drawing with triangulation to ensure validity. The results showed that Sulingjar helped teachers reflect on and improve their lesson planning, increase the variety of teaching methods, and support the implementation of the student-centered Merdeka Curriculum. However, obstacles such as administrative burdens, limited digital literacy, and a lack of systematic follow-up from the Education Report hindered optimization. This study concludes that Sulingjar has the potential to be a tool for educational transformation if it is supported by technical training and better integration with teacher development programs, thereby strengthening teacher performance and learning quality in accordance with National Education Standards.
Integrasi E-Office UPT. ICT Center UNM Dengan Online Smart Digital Signage Agung, Muhammad; Wahid, Abdul; Parenreng, Jumadi M.
Jurnal MediaTIK Volume 2 Issue 3 (2019)
Publisher : Jurusan Teknik Informatika dan Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/mediatik.v2i3.1339

Abstract

Seiring dengan perkembangan teknologi di era revolusi industry 4.0 setiap orang dituntut untuk kerja efektif dan efesien. Dengan semakin banyaknya agenda kegiatan harian di UPT. ICT Center yang dilakukan berupa kegiatan rutin, trouble shooting, coding, perbaikan, dan lain - lain maka diperlukan sistem pengagendaan kegiatan yang dapat mempermudah setiap divisi untuk melaksanakan tugasnya.Disisi lain, kampanye green technology menuntuk untuk menghilangkan penggunaan kertas/paperless dalam sistem administrasi perkantoran. Implementasi dari Integrasi E-Office UPT. ICT Center UNM ke online smart digital Signage dapat digunakan untuk mencapai tuntutan efesiensi dan efektifitas kerja sekaligus kampanye green technology tersebut. Hasil survey dari implementasi E-Office dan online smart digital menunjukkan bahwa aplikasi ini sudah layak untuk digunakan dengan melihat bahwa ada 94% staf yang disurvey mengatakan bahwa aplikasi ini membantu efesiensi dan efektifitas kerja mereka dan sebanyak 95% pimpinan menganggap aplikasi ini memudahkan pekerjaan mereka.
Performance Comparison of SVM in Sentiment Analysis of Israel-Palestine Comments Using Lsa and Word2vec Akbar, Muh. Arsan; Syam, Abd. Azis; Al Amanah, Muh. Nur Hidayat; Risal, Andi Akram Nur; Surianto, Dewi Fatmarani; Budiarti, Nur Azizah Eka; Wahid, Abdul
Jurnal Teknik Informatika (Jutif) Vol. 7 No. 1 (2026): JUTIF Volume 7, Number 1, February 2026
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2026.7.1.4601

Abstract

This study compares two feature extraction techniques, namely Latent Semantic Analysis (LSA) and Word2Vec, in the sentiment classification of comments related to the Israeli-Palestinian conflict using Support Vector Machine (SVM). The dataset consists of 1000 YouTube comments and 158 news paragraphs, categorized into pro and con Palestinian sentiments. The preprocessing process includes casefolding, special character and stopword removal, lemmatization, and tokenization. The results show that SVM with Word2Vec has better performance than SVM with LSA in the classification of positive and negative comments. SVM model with Word2Vec recorded a precision value of 92% and F1-Score of 93% on negative comments. Meanwhile, SVM with LSA recorded 90% precision and 92% F1-Score. On positive comments, SVM with Word2Vec recorded 92% recall and 93% F1-Score. While SVM with LSA recorded 89% recall and 91% F1-Score. Word2Vec's strength lies in its ability to capture word context and nuance more effectively, thanks to training using richer contextualized comment and news data. In conclusion, although both methods show good ability in sentiment classification, the use of Word2Vec provides more consistent and accurate results. This research contributes to the advancement of sentiment classification methods in the context of complex socio-political issues and can serve as a reference for applying machine learning to more accurate and contextual public opinion analysis.
Social Capital And Civil Participation In The Development Of Village Tourism Area In Lombok Wahid, Abdul; Destrity, Nia Ashton
Journal of Politics and Policy Vol. 3 No. 1 (2020)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The development of tourism villages is in line with the management of social capital in the community. This study aims to reveal how social capital and citizen participation contribute to the development of Central Lombok tourism. In-depth interviews and observations were used  purposively on the headman and manager of the tourism village in the Sade and Stanggor village, Central Lombok. This study found that the progress of the management of this tourism village cannot be separated from the social capital owned by the community and its management. The management of the tourism village is determined by leadership, culture, awareness, and participation of the tourism village community (community based development). Leadership is an important factor as a motor of participation and a guardian of shared values. Culture that is reflected in the architecture of buildings, traditional ceremonies, arts and literature, and crafts are part of the basic capital of tourism. This strong modality makes the tourism village accepted because it is considered to provide material benefits for residents. The study of tourism villages in this research focuses on the management of tourism villages by the community and local village officials. In fact, the development of tourism villages is inseparable from the macro policies of the central and regional governments. Therefore, a study of the form of policy and its influence on the development of tourism villages can be examined in further research.Keywords: social capital, tourism, community based development.
PENGEMBANGAN PEMBELAJARAN PENDIDIKAN KEWARGANEGARAAN BERBASIS NILAI UNTUK MENUMBUHKAN KARAKTER KEBANGSAAN SISWA SEKOLAH DASAR Mulyadi, Mulyadi; Saparuddin, Saparuddin; Pratiwi, Nur Indah; Wahid, Abdul; Afni, Nur
Jurnal Pendidikan Dasar Borneo (Judikdas Borneo) Vol 8, No 1 (2026): Jurnal Pendidikan Dasar Borneo (Judikdas Borneo)
Publisher : Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/judikdasborneo.v8i1.7124

Abstract

This study aims to examine how values foster the national character of elementary school students. National character education is a crucial aspect in fostering nationalism, responsibility, tolerance, and love of the homeland from an early age. This research method involves examining and analyzing various research findings, books, and library research documents. The study's findings indicate that values-based civic education can be integrated through a contextual approach, role modeling, habituation, and the use of active and participatory learning methods. Developing learning that emphasizes Pancasila values has been shown to enhance students' understanding and internalization of national character. Therefore, values-based civic education plays a strategic role in shaping a young generation with character, noble personalities, and a strong sense of national awareness.
BADAN USAHA MILIK DESA (BUMDes) DALAM SISTEM HUKUM EKONOMI NASIONAL Wahid, Abdul; Rohadi, Rohadi; Sumartini, Siti; Mansur, Mansur
Yustitia Vol. 11 No. 2 (2025): Yustitia
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/yustitia.v11i2.327

Abstract

The presence of BUMDes is expected that the village will become more independent and the community will become more prosperous. But considering that BUMDes is still a new thing in its existence, it is inevitable that in practice, several obstacles arise precisely related to the process of its formation. the existence of BUMDes, both in terms of the role and regulation of the law and in the implementing regulations, there are still deficiencies, especially its position as a form of business entity. The problem of this research is what is the position of BUMDes in the legal system of the national economy and what is the role of BUMDes in the national economic system. The research method used is normative legal research. The conclusions obtained from research on BUMDes regulations have existed since the promulgation of Law Number 22 of 1948 concerning Principles of Regional Government, then successively regulated in Law Number 1 of 1957 concerning Principles of Regional Government, Law Number 18 of 1965 regarding Principles of Regional Government, Law Number 19 of 1965 concerning Praja Villages as a Transitional Form to Accelerate the Realization of Level III Regions throughout the Territory of the Republic of Indonesia, Law Number 5 of 1974 concerning Principles of Governance in the Regions, Law Number 5 of 1979 concerning Village Government, Law Number 22 of 1999 regarding Regional Government, Law Number 32 of 2004 regarding Regional Government. Separate arrangements are made through the promulgation of Law Number 6 of 2014 concerning Village Administration. As a business entity, BUMDes plays an important role in the development and progress of the economy at the village level as the basis for the agricultural industry. The presence of BUMDes can be a tool for social engineering in the field of welfare which will function to engineer the standard of living of stagnant rural communities towards better progress in the welfare of their people.
Application of Computational Fluid Dynamics Simulation in The Case of Upward Vertical Core Annular Flow of Oil-Water System Dianita, Cindy; Nur Fatimah, Rana; Wahid, Abdul
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i1.1971

Abstract

The energy required to transport heavy oil through pipelines can be significantly lowered by applying the core-annular flow (CAF) technique, in which a layer of water surrounds the oil as it moves through the pipe. This research investigates the behavior of upward oil–water flow in vertical pipelines using three-dimensional computational fluid dynamics (CFD) simulations. The numerical analysis is conducted based on previously published experimental studies. Validation has been completed to ensure the visual and numerical consistency of the observed interfacial wave geometry. This CFD work captures the wavy bamboo CAF pattern, illustrating the effect of buoyancy and pressure gradient in upward vertical flow, as demonstrated by experimental results. The present CFD simulation results indicate a relatively stable velocity distribution, where the central region of the pipe contains the highest concentration of oil. In addition, the absolute pressure gradually decreases along the length of the pipe, while the wall shear stress remains relatively low. The influence of gravity affecting the flow is investigated, showing a higher pressure drop compared to gravity-free flow. Compared with single-phase heavy oil transport, the CAF technique demonstrates significantly higher efficiency, achieving energy savings exceeding 90%. Furthermore, the three-dimensional simulation developed in this study provides more detailed flow pattern representation and more reliable hydrodynamic predictions than those obtained from earlier two-dimensional analyses.
Co-Authors . Darniati ABD RAHMAN RAHIM, ABD RAHMAN Abda Abda Abdul Azis Abdul Gofur Abdul Hafidz Abdul Hamid Abdul Hamid Habbe, Abdul Hamid Abdul Malik Abdur Rohman Ade Permana, Angga Adhawaty, Sri Suro Adi Sulistiyono Adiatma, Lalu Heru Adiba, Fhatiah Adisti Primi Wulan Adjisetya, Muhammad Adri, Andi Afni , Nur Afrilia, Nur Tasya Agung Handayanto Agung Panji Sasmito Agung, Rahmad Agusnaya, Nurrahmah Agusni Yahya Agustina, Deby AHMAD FAISOL Ahmad Khan, Sardar Faroq Ahmad Suryadi, Ahmad Ahmad Swandi Ahmad, Zakiyyah Ilma Aidil Adhani Akbar Ali, Muhammad Akbar, Muh. Akbar, Muh. Arsan Akhmad Fauzi Aktafi, Billah Al Amanah, Muh. Nur Hidayat Al Azkiya, Mohammad Azka Al Ghozali, Muhammad Beryl Aladin Eko Purkuncoro Alannasir, wahyullah Alawiyah, Wiwi Alfi Syahrin, Alfi Ali Akbar Ali Maftuh, Moh Ali Warsito Aliem Bahri, Aliem Amelia, Hamra Amelia, Nyak Dila Amiluddin Amiluddin, Amiluddin Amiluddin, . Amiluddin, Hamzah Amin, Fatimah Hidayahni Amri, Andi Amrin Anang Subardi Andhira, Desy Ayu Andi Adri Arief, Andi Adri Andi Akram Nur Risal Andi Anto Patak Andi Baso Kaswar Andi Baso Kaswar Anita Sari Anshori, Muhammad Fuad Ansori, Mohammad Anugralia, Soraya Apriaman, Abdul Latief Aprilla, Raisha Adhita Ari Bangkit Sanjaya Umbu Arief, A. Adri Ariefianto, Dony Arif, Afrizal Aripa, Nurarifahjayanti Arkam, Andi Iksan Arman, Andi Arna Suryani, Arna Arshad Ahmad, Arshad Asfah, Indrawaty Ashabul Kahfi Susanto Ashar Ashar Asrina Asrina Asrory, Faris Atun Wardatun Aulia, Magfirah AYU LESTARI Ayu, Ayu Dwi Saputri Wahab Aziz Musthafa Azmiadi Badrut Tamam Baharuddin Baharuddin Baiquni, Fahmi BAKHRANI RAUF Bani Syarif Maula Bashori, Abdul Hamid Basir, Basri Baso, Aris Bau Toknok Bedah Rupaedah, Bedah Bernandus, Bernandus Buna'i Buna’i cahya ardi wahana, zakiey Cahyana Resky, Andi Aulia Cahyono, Stella Putri Cangara, Arie Syahruni Chatarina Umbul Wahyuni Christine Mbiliyora Cindy Dianita, Cindy Citra, Reli Damara, Mochamad Rizky Daniel Happy Putra Dawud Dawud Dedi Irawan, Joseph Dedy Wijaya Kusuma Destitry, Nia Ashton Destrity, Nia Ashton Dewantara, Dewantara Dewi Fatmarani Surianto Dina Salam, Fitria Nur Dirawan, Gufran Darma Edy, Marwan Ramdhany Eka Saputra, Farhan Ellys, Ramadanti Adistianindi Elvandari, Teti Hotimah Endra Priawasana Erwin Nurdiansyah Ethrawaty Fachry, Mardiana Evra Willya Fajardo, Maria Teresa M. Fajrin, Syarifah Nur Fakhri, Moh. Farid, Muh. Fariza Yuniar Rakhmawati Fathoni, M. Faiz Fatimah Hidayahni Amin Fatimah Hidayahni Amini Fauzi, Aziz Fawaid, Rezki Inta Febriana Santi Wahyuni Firdaus, Hilman Ismail Firdaus, Muhammad Eka Firman Firman Firman, . Frastiyo, Riski Geminastiti Sakkir Goziyah, Goziyah Grace Leksana Gusti, Siska Kurnia Hajar, Andi Halil, Mohamad Haqqa, Zhafira Amila Harianto, Oki HARIYANTO HARIYANTO Haryono, Puji Hasanah, Maghfirotul Hasani, Chasyim Hasani, M. Chasyim Haslinda Hasrianti, Andi Hastati, Sri HENDRA GUNAWAN B11211055 Heri Suwignyo Herman Harijanto Hermansyah Hermansyah Hernawati, Dhita Fitria Herryani, Mas Rara Tri Retno Hersipa, Lulung Lanova Hery L. Sianturi Hidayat M, Wahyu Himawan, Bismar Hufron, A Humaira, Siti husen, mohamad nur Husnah, Asmaul I Nyoman Sila Ibrahim, Mazlan Icaaa, Lisa Rahmadania Idah, Nurwahidah Idrus, Moh. Syafi'i Ifa Safira Ifayanti Ridwan, Ifayanti Ihwan Mahmudi Imelia Sahda Salsabilla Imran, Muh Chairil Inayah Inayah Indah Sari Indra Farman Indra Kanedi Indri Handayani, Indri Irhas Irhas, Irhas Iriyanti, Aldarisma Irwansyah Irwansyah IRZHA FRISKANOV. S, IRZHA iwan, Ridwan Akbar Nur Alam Jalaludin, Jalaludin Jamaluddin Jamaluddin Jamaluddin Jamaluddin, Nurliah Jamaludin . Jamaludin, Jujun Jamil, Hatta Jannah, S. Fathiyatul Jariah S.Intam, Rezki Nurul Johannes, Albert Zicko Johariah, St. Johariah Joko Waluyo Juliady, Ilham Jumadi Mabe Parenreng Jumrah, Abrina Maulidnawati Junaedi, Abdullah Junanto, Subar Junida, Junida Kaddas, Badruddin Kadri, Kadri Kamal Kamal Kamal, Asep Mustofa Kamal, Kamal Kamiri, Kamiri Kartini Malarangan Karuniawati, Benny Kasim, Muh. Alwi Rizkyansyah Kasvi, Dinda Afrakasturi Khaddapi, Muammar Khairil Anwar Khairil Khairil Khairunnisa, Dina Kharisma, Robby Khusniah, Nurul Lailatul Komalasari Komalasari Kurniawan, Awi Kusyandi, Andi Kuway, Novia Petronela Labib Shodiq, Fatimah Lubabiyah Lapendy, Jessica Crisfin Lapono, Laura A. S. Latief, Syekh Adiwijaya Laura A. S. Lapono Lavicza, Zsolt Lely Novia Lena Ishelmiani Ziarahah Lima, Joshua M anwar, Suhardi M Rizki Maulana M. Imron Mas’ud Mabe Parenreng, Jumadi Mahgafhira, Iin Mahmud Sugianto, Mahmud Mahmudah, Istiyati Mala, Nurmala Kewa Mallisa, Amalia Indah Pratama Mamonto, Merdi F. Mansur Mansur MARDIANA Mardiana E. Fachry Mardiana Mardiana Mardiana, Aklima Mardiyah, Nisfah Ainun Maretasari, Rina Maria Ulfa Mariadi Mariadi, Mariadi Marita Ika Joesidawati Masrurah, Waqiatul Maujud, Fathul Maulana, Kevin Maulidnawati Jumrah , Abrina Mawan Kriswantono MEDIATY Meriyati Meriyati Miranie Safaringga Miru, Alimuddin Sa’ban Misbach Munir Misbahul Munir Mochklas, Mochamad Mohammad Imam Farisi Mokodenseho, Sabil Muaffaq, Ahmad Mubarokah Sa’bana, Sofia Muchimah, Muchimah Mudiyana, Kadek Mufarikhah, I’anatul Muh Idris, Muh Muhaimin Muhaimin Muhajir Muhajir, Muhajir Muhamad Rumakey, Ary Muhammad agung Muhammad Agung Muhammad Amin Muhammad Fajar B Muhammad Lahir Muhammad Muhammad Muhammad Nasiruddin Muhammad Ridwan Muhammad Tahir Muhammad Yahya Muhardi Muhardi Muhtar, Dian Islamia Mujahidin, Muh Mulyadi Mulyadi Munawarah Munir Munir Munir, Munir Musdania Mustafa, Muhammad Dalvi mustari, Sahraeni Maulida Mustofa, Robil N, Jusmaniar Naharuddin Naharuddin Najamuddin Petta Solong Nanda, Sri Nanda Ayu Lestari Napisah, Nur Nasirin, Muhammad Khoirun Nasisirin, Muhammad Khoirun Navlia, Rusdiana Nazir, Alwis Niken Sylvia Puspitasari Ningsih, Nelly Fitria Nopita, Nova Novebriansyah, Rizky Novera, Milya Novia, Lely Novianti, Ulfah Nuddin Nuddin, Nuddin nugroho, muhammad toto Nujumudin, Nujumudin Nunu, Husnul Fatimah Nur Afni Nur Aisyah Ardhia Rhegita Asdam Nur Alamsyah, Nur Nur Fadilla, Nur Nur Fatimah, Rana Nur Halifah, Nur Nur Risal, Andi Akram Nur Tinri, Muh. Darwis Nur Wahid, M Syahid NURASIKING Nurdianah, Nurdianah Nurfadillah Nurfadillah Nurfadillah Nurhayati Nurhayati Nuril Huda Nuriyanto Nursalim Nursalim Nurshadrina Kartika Sari Nursia, Nursia Nursini, . Nurul Aini Pakaya NURUL HIDAYAH Opis, Opis Padilah, Padilah Parenreng, Jumadi M. Parenreng‬, Jumadi Mabe Pasangka, Bartholomeus Patappari Firmansyah, Amanda Pati, Sakka Pebriana, Nur Rahmi Anugrah Penta, Rafid Ula Pingak, Redi Kristian Podungge, Mariaty Pratiwi, Nur Indah Prikasari, Ester Priyanto, Ragil Purwosetiyono, F.X. Didik Putra, Ihrom Caesar Ananta putri, kharisma ika Putri, Murni Putriani, Ade Irma Rahayu, Winar Suci Rahma Ashari Hamzah Rahma, Syahidah Rahmad Rahmad Rahmadhanningsih, Sri Rahman Rahman Rahman Rahmat Hidayat Rahmawati, Rahmawati Ramadani, khairu Randi Muhammad Gumilang Retnani, Christanti Diah Retno Wahyuningsih Rikianto, Rikianto Riny Jefri, Riny Riska, Muhammad Riskal Fitri Rohadi Rohadi Rohman, Ian Ajrin Rosmiati, Etty Rubiah, Rubiah Rupa, Darius Sa'ban Miru, Alimuddin Sadiq, Muhammad Hakim Safii, Aufal Muhammad Safri, Muhammad Yassir Sahrul, Sahrul Sakinah, Andi Nur Salafudin, Moh Anwar Salafudin, Umi Bariroh salwi, saiful Samsul Bahri Sanatang Sanchez, Joje Mar P Sani, Kiki Rasmala Santika, Viosa Vironika Santoso, Tubagus Imam Saparuddin Saparuddin Saputra, Andi. Muh. Akbar Saransi, Faisal Sari, Indrya Sarip, Sarip Sary, Desta Winda Sasmita, Eni Sasmito, Agung Satria Gunawan Zain Sayed, Sayed Sayuti Sayuti Sembiring, Rinawati Seny Luhriyani Sunusi Setiawan, Ince Prabu Setiawan, Rahmadi Shiddiq, Jafar Shiraj, Muhammad Reza Sianturi, Hery Leo Siminto Siminto, Siminto Singh, Irom Gambhir Sinrungtam, Wasana Siti Rohmah Siti Sumartini, Siti Sobirin Sobirin Soeharto Soeharto Sri Hastati Sri Kurniati, Sri Sri Wahyuningtyas, Sri Sucipto Sucipto Sudding, Muhammad Fahri Jaya Sudirman Daeng Massiri Suhaiminah, Suhaiminah Suharto Suharto Sukri Syamsuri, Andi Sulfana, Evi Yanti Sulistyowati Sulistyowati Sumartini, Siti Sumartini Sundari, Sri Supriyanto Supriyanto Surahman Surahman Suriyanto Suriyanto, Suriyanto Suro, Sri Suryo Adi Wibowo Sutaji, Hadi Imam Sutinah Made, Sutinah Suyanta Suyanta Syabrina, Muhammad Syafaat Syafiul Umam Syafria, Fadhillah Syahbani, Dimas Syahrul Syahrul Syam, Abd. Azis Syam, Sudirman Syamsuddin Syamsuddin Syamsul Syamsuri, Andi Sukri Syar, Nur Inayah Syarif Aminul Khoiri Syawal M, Adrian Tahang, Hamzah Tamah, Jeni Vegas Tamamma, Yunus Tamrin, Usman Tanesib, Jehunias Leonidas Tarigan, Jonshon Taufik, Ashabul Teguh Iman Santoso Theresia, Mersi Tinri, Darwis Nur Titing, Titing Toana, Moh Hibban Ulviani, Maria Veithzal Rivai Zainal Virman Abdillah, Virman Abdillah Wahdania, Iradatul Wahid, M Syahid Nur Wahid, M. Syahid Nur Wahyu Hidayat Wahyu Hidayat M Wahyu Iskandar Wahyu, Ika WAHYUDI Wahyudi, Soleh Wardah Nuroniyah Wardiana, Wina Widiawati, Yosepha Widyatmi Anandy Wisma Soedarmadji Wuryanto Wuryanto Yayat Sujatna, Yayat Yohandri Bow Yosep Agus Pranoto Yuda Agustian YUNUS MUSA Yunus, Muh Yusra, - Zainul M, Helmi Zakarias Seba Ngara Zamroni Zamroni Zuherni AB Zul Fariduddin Attar, A. Farmy Zulfiandry, Ricky Zulvita