article · International Journal of Safety and Security Engineering
This research outlines a structured risk assessment framework developed specifically for crude oil heaters to enhance operational safety and reliability. The method combines several analytical tools into an integrated workflow. It initiates with a Hazard and Operability Study to systematically pinpoint possible accident scenarios, followed by D-higraphs for functional modelling to assess system operations and potential malfunctions. Fault Tree Analysis is then applied to identify root causes and estimate failure frequencies, while Event Tree Analysis investigates the consequences related to safety barrier performance. By linking Fault Tree Analysis and Event Tree Analysis, the framework culminates in a bowtie analysis that clearly visualises the relationships between hazards, underlying causes, and safety measures. This combined approach improves the identification and evaluation of protective barriers within complex heating systems.
Industrial equipment such as crude oil heaters carries severe operational hazards if failures occur. By systematically combining multiple diagnostic and safety tools into a single workflow, operators can better understand how mechanical malfunctions happen, map potential disaster pathways, and ensure safety barriers are properly placed and evaluated to prevent major accidents.
The method is designed for industrial facility operators, safety engineers, and risk managers working with crude oil heaters. It offers a structured analytical process to improve hazard monitoring and regulatory safety compliance. Because the abstract presents this purely as a methodological framework without reporting on-site testing or operational software deployment, the approach appears to be at an early, analytical stage of adoption.
AI-generated from the published abstract. Always read the original work before citing.
This study presents a novel risk assessment approach for crude oil heaters, integrating structured combined methods to enhance safety and reliability.We begin by employing Hazard and Operability Study (HAZOP) to systematically identify potential accident scenarios.To deepen our understanding of system functionality and potential malfunctions, we utilize D-higraphs for functional modelling.Building on the scenarios identified, we apply Fault Tree Analysis (FTA) to estimate root causes and frequencies of failures.Following this, Event Tree Analysis (ETA) allows us to explore the consequences of success or failure of safety barriers.The integration of FTA and ETA culminates in the bowtie method, which effectively illustrates the relationships between hazards, their causes, and the safety measures in place.This structured methodology not only offers a comprehensive risk assessment framework but also enhances the identification and evaluation of safety barriers, making it a unique contribution to existing risk assessment practices.
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DOI: 10.18280/ijsse.150219
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