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All Journal Vertex EDUCATIONE: Journal of Education Research and Review
Dimara, Johannes
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Social Sciences

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Performance Analysis of Wet Gas Flow in Up and Down Transmission Pipelines Herjuna, Silvester Adi Surya; Labriet, Andrieu; Akbar, Bima; Dimara, Johannes; Kaisiepo, Frans
Vertex Vol. 13 No. 2 (2024): June: Nuclear
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/apjc7f13

Abstract

This research examines the performance of wet gas flow in up and down transmission pipelines, addressing the critical challenges and dynamics associated with fluid behavior in varying orientations. Through extensive empirical analysis and modeling, the study identifies key factors influencing slugging, liquid accumulation, and flow efficiency. Findings reveal that upward transmission systems are particularly prone to slugging, leading to operational instability and increased energy demands, while downward flow systems benefit from gravitational assistance, resulting in enhanced reliability and reduced maintenance needs. Additionally, effective liquid management strategies and advanced monitoring technologies are essential for mitigating adverse effects and optimizing system performance. The research also addresses gaps in existing literature by providing new insights into flow management and environmental considerations, offering practical recommendations for pipeline design and operation. Ultimately, this study underscores the importance of ongoing research to refine understanding and improve practices in the transport of wet gas, contributing to the development of sustainable energy solutions.
ENHANCING WRITING SKILLS THROUGH EDUCATIONAL INNOVATION: INTEGRATING PROJECT-BASED LEARNING AND AUDIOVISUAL MEDIA Whisnubrata, Antonius Awan Asta Adhiprana; Dimara, Johannes; Tamaela, Kevin Andrea
EDUCATIONE Volume 3, Issue 2, July 2025
Publisher : CV. TOTUS TUUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59397/edu.v3i2.87

Abstract

The low writing proficiency among junior high school students, particularly in remote areas of Indonesia, remains a pressing concern in language education. This research addresses the problem by implementing a Project-Based Learning (PjBL) model supported by audiovisual media to improve students' narrative writing skills. The objective of this study was to analyze the impact of the integrated instructional model on students' writing performance, focusing on idea development, vocabulary usage, and text organization. Using a quantitative, pre-experimental design with a One-Group Pretest-Posttest framework, data were collected from 30 Grade VII students at SMP Antonius Nabire. Writing assessments were conducted before and after the treatment, with results analyzed using paired sample t-tests and normalized gain (N-Gain) scores. The findings revealed a significant improvement in students’ writing abilities after the intervention, with posttest scores exceeding the Minimum Mastery Criteria (KKM) and N-Gain scores indicating high learning gains. These outcomes suggest that combining PjBL with audiovisual media enhances student engagement, creativity, and comprehension in writing tasks. The study contributes to educational research by providing a replicable model for under-resourced contexts, demonstrating that multimodal and student-centered instruction can bridge performance gaps and promote equitable learning. Future research is recommended to examine long-term impacts and scalability of the model across diverse educational settings.
Co-Authors Akbar, Bima Herjuna, Silvester Adi Surya Kaisiepo, Frans Labriet, Andrieu Tamaela, Kevin Andrea Whisnubrata, Antonius Awan Asta Adhiprana