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All Journal Jurnal Teknik Indonesia (JU-TI) "Journal of Data Science
Samuel Hanotu Kwelle
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering

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Research and Modernization of Inspection and Monitoring Practices for Pipeline, Casing, and Tubing Nnadikwe Johnson; Samuel Hanotu Kwelle
Jurnal Teknik Indonesia Vol. 4 No. 02 (2025): Jurnal Teknik Indonesia (JU-TI) 2025
Publisher : SEAN Institute

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Abstract

This research investigates the modernization of inspection and monitoring practices for pipeline, casing, and tubing. The study focuses on the development and implementation of advanced inspection techniques to detect defects and imperfections such as cracks, dents, and diameter reduction, which can have devastating consequences for human safety, the environment, and the soil. The research aims to establish a comprehensive framework for the modernization of inspection and monitoring practices, encompassing the latest technologies and data analytics to ensure the integrity and reliability of pipeline, casing, and tubing infrastructure. The outcome of this research will provide a benchmark for the minimum inspection requirements, setting a new standard for the industry to ensure safe and sustainable operations.
Revolutionizing Lng Plant Construction: A Comprehensive Comparative Analysis and Evaluation of Modular Design Development Versus Stick-Built Approach for Enhanced Efficiency and Cost-Effectiveness Nnadikwe Johnson; Samuel Hanotu Kwelle
Jurnal Teknik Indonesia Vol. 4 No. 02 (2025): Jurnal Teknik Indonesia (JU-TI) 2025
Publisher : SEAN Institute

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Revolutionizing Lng Plant Construction and its Comprehensive Comparative Analysis And Evaluation Of Modular Design Development Versus Stick-Built Approach For Enhanced Efficiency And Cost-Effectiveness,.Although the utilization of modularization concepts in the LNG industry remains limited, this study focuses on exploring their potential. It is worth noting that modular units typically incur higher costs compared to field erected units due to the additional requirements of structural steel and robustness for transportation purposes.Nevertheless, the increased cost of modularization can often be balanced by conducting the work at the fabrication site instead of on-field construction. This approach reduces the overall project cost by minimizing field construction expenses and shortening the construction schedule. The objective of this paper is to assess and compare LNG modularization options for a newly established LNG facility in comparison to a conventional stick-built plant used as the base case.:The paper delves into various topics related to LNG plant construction, such as the development of modular units, a comprehensive comparison of different options, evaluation of construction schedules and manpower requirements, logistics considerations, and a recommended approach for design and construction. The cost estimates and engineering, procurement, and construction (EPC) schedules are meticulously compared for each option. Additionally, an inshore/near shore gravity base structure (GBS) option is included for further comparison. It is crucial to emphasize that establishing general costs is not possible as each project is distinct andrequires individual study and analysis.:Each project has unique characteristics, resulting in varying shapes of cost curves and break-even points. The outcomes of the feasibility evaluation play a crucial role in determining the extent to which the modular approach to construction is advantageous for the specific project at hand. The evaluation takes into consideration multiple factors to determine the potential benefits of adopting a modular construction approach, allowing decision-makers to make informed choices regarding the project's construction methodology
Advancements in CFD Simulation and Dynamic Modeling for Enhanced Performance of Multi-Compartment Rotor Compressed Combustion Engines Nnadikwe Johnson; Samuel Hanotu Kwelle
Jurnal Teknik Indonesia Vol. 4 No. 02 (2025): Jurnal Teknik Indonesia (JU-TI) 2025
Publisher : SEAN Institute

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This research explores the potential of dynamic mathematical model simulation for multi-compartment rotor compressed combustion engines to revolutionize power generation by enhancing fuel burning efficiency. By leveraging advanced computational fluid dynamics (CFD) techniques, this study investigates the impact of modifying the engine design to induce turbulence through squish and tumble flows on fuel-air mixing and combustion efficiency. The proposed design features multiple compartments on the rotor crown, comprising three small chambers spaced 120º apart. CFD simulations using FLUENT software demonstrate significant improvements in tumble ratio (35% increase) and squish velocity (31% increase) compared to the base engine. These findings suggest that the modified engine design can enhance fuel-air mixing and combustion performance, leading to improved overall engine efficiency. This research contributes to the development of more efficient and environmentally-friendly power generation technologies, paving the way for groundbreaking advancements in combustion engine design.
Harnessing the Power of Pressurized Separation: Revolutionizing Crude Oil Processing and Storage for Optimal Performance Nnadikwe Johnson; Samuel Hanotu Kwelle; Nwosi Hezekiah Andrew
Journal Of Data Science Vol. 3 No. 02 (2025): Journal Of Data Science, September 2025
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/jds.v3i2.7356

Abstract

The main goal of this research was to simulate a high-pressure (HP) separator to assess how changes in operational factors affect the properties of the products generated. The objective was to improve the efficiency of crude oil processing and storage by analyzing these impacts. The study involved comparing simulation outcomes from two software platforms, namely CHEMCAD and UniSim, to evaluate their effectiveness in modeling and optimizing the separation process.The research outcomes indicated a high level of agreement between the simulated results and actual industrial data, validating their accuracy and reliability. Furthermore, a comprehensive sensitivity analysis was carried out to fine-tune the process parameters, focusing on adjusting key gas stream properties such as temperature, pressure, and flow rate to optimize the separation process effectively. This analysis provided valuable insights into the system dynamics and highlighted areas for potential process enhancement. Notably, the study revealed that increasing the separator inlet pressure from 30 to 80 bar resulted in significant improvements inThe adjustment in separator inlet pressure resulted in a notable reduction in the outlet gas flow rate from 1202 to 871.15 kmol/h, accompanied by an increase in the methane mole fraction from 0.69 to 0.74. Moreover, the rise in pressure led to an escalation in the preheater heating duty from 8.71 to 11.48 GJ/h. Conversely, the simulation findings demonstrated that raising the temperature of the separator feed stream from 43 to 83 ◦C caused a surge in the outlet gas stream flow rate from 871.15 to 1142.98 kmol/h.Furthermore, the variation in temperature led to a decrease in the methane concentration in the gas output and consequently lowered the heating duty required by the heat exchanger. Additionally, the research findings indicated that augmenting the inlet feed flow rate did not yield a substantial effect on the methane gas concentration in the final product.
Co-Authors Nnadikwe Johnson Nwosi Hezekiah Andrew