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Ondrej Spacek

2 linked publication records · University of West Bohemia in Pilsen

Author: Ondrej Spacekclear all
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25th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2025, Energy and Clean Technologies
Publication

ENVIRONMENTAL IMPACTS OF STRUCTURALLY OPTIMIZED GFRP TANKS: A LIFE CYCLE ASSESSMENT APPROACH SUPPORTING CIRCULAR ECONOMY STRATEGIES

(STEF92 Technology, 2025-12-27, Ondrej Spacek, František Sedláček, Nikola Bednarova, Ivona Adamíková, Martin Stejskal)

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Horizontal composite tanks represent critical components in industrial applications where achieving an optimal balance between mechanical performance, material efficiency, and environmental impact is essential. This study investigates the environmental performance of structurally optimized glass-fiber-reinforced polymer (GFRP) horizontal tanks featuring progressive rib thickness configurations. The composite laminate optimization was carried out through advanced numerical simulations in ANSYS Mechanical 2024 R1, c...

Recycling2025
25th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2025, Energy and Clean Technologies
Publication

LIFE CYCLE ASSESSMENT OF CNC MACHINING STRATEGIES: ENVIRONMENTAL EVALUATION OF 3-AXIS AND 5-AXIS MILLING OF AN UPRIGHT COMPONENT

(STEF92 Technology, 2025-12-27, Ivona Adamíková, Nikola Bednarova, Ondrej Spacek, Anna Cidlinova, Michal Simon)

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This study evaluates the environmental performance of two CNC machining strategies-three-axis and five-axis milling-used in the production of an aluminum wheel upright for a Formula Student vehicle. A process-based gate-to-gate Life Cycle Assessment (LCA) was carried out using Sphera GaBi software and the Ecoinvent 3.9.1 database, focusing exclusively on impacts associated with the manufacturing technologies. The analysis included detailed measurements of electricity consumption, machine time, machining operation ...

Recycling2025
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