Comparative life cycle analysis of environmental and machining performance under sustainable lubrication techniques

Hassan, Kamal

doi:10.1016/j.hybadv.2022.100004

Cited by 12 publications

(4 citation statements)

References 41 publications

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“…Najboljšo učinkovitost smo ugotovili in zasledili v literaturi (Hssan,, 2022) pri tehnologiji MQL. Največja poraba energije je pri postopku brez HMS, najučinkovitejša je tehnologija MQL (Hassan,, 2022). Poraba energije povečuje CO2 odtis (Pavar, 2021), vendar samo kazalec porabe energije ne moremo sprejeti za osnovni kazalec trajnostne proizvodnje.…”

Section: Rezultati Trajnostnih Postopkov Hlajenja In Mazanja Pri Tehn...unclassified

A Overview of Energy Modelling Tools Relevant for Energy Efficiency Projections

Backović,

Ilić,

Mitrović

2024

Green and Digital Transition – Challenge or Opportunity

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In order to define an appropriate energy regulatory policy at the state level, encourage energy efficiency, control the level of final energy consumption and select production technologies, it is important to choose an adequate approach to energy modeling. Hence, this paper will focus on the overview of the most important energy modelling tools. Energy models can be developed for efficient forecasting, planning, design, operation and optimization of energy systems. The heterogeneity of applied energy models and the energy scenarios defined in them require specific, technically advanced skills for an adequate assessment of movements in such a multidisciplinary discipline. The paper analyzes crucial differences between tools, giving an useful insight in contemporary research of energy efficiency projections. A overview of these tools is essential for sustainable energy development and efficient business of energy companies. A comparative comparison of energy modelling tools is also shown, with the intention of pointing out the importance of all models and their differences, in order to indicate which area of investigation is especially significant for a particular model.

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Section: Rezultati Trajnostnih Postopkov Hlajenja In Mazanja Pri Tehn...unclassified

A Overview of Energy Modelling Tools Relevant for Energy Efficiency Projections

Backović,

Ilić,

Mitrović

2024

Green and Digital Transition – Challenge or Opportunity

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“…Although no LCA of machining/forming/welding technologies in the context of propellant tank manufacturing were found in the literature, the following LCA studies in general context have been reported in the literature. Hassan [30] compared the machining performance, energy consumption, and carbon footprint for conventional flood, dry, and MQL machining of aluminum alloy 6061. The MQL machining strategy was observed to be most sustainable, demonstrating an improvement in cutting tool life by 42-61%, a decrease in energy consumption by 27-38%, reduction in carbon footprint by 16-21% compared to dry and flood machining.…”

Section: Life Cycle Assessment Of Machining Forming and Welding Techn...mentioning

confidence: 99%

Toward cleaner space explorations: a comparative life cycle assessment of spacecraft propeller tank manufacturing technologies

Kokare,

Moraes,

Fernandes

et al. 2024

Int J Adv Manuf Technol

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The traditional method of manufacturing propellant tanks for rockets and spaceships involves significant amounts of forging, and machining, making it expensive and environmentally unfriendly. A novel approach for manufacturing propellant tanks that reduces the need for machining and friction stir welding processes has been presented in this paper. This approach involves manufacturing a tank half starting from a single metal plate, using innovative and advanced metal forming processes such as hot stretch forming, magnetic pulse forming, hub forming, and integrated stiffened cylinder (ISC) flow forming followed by orbital welding of two tank halves. A life cycle assessment (LCA) study was conducted in accordance with ISO 14044:2006 standard using the ReCiPe 2016 Midpoint (H) method to compare the environmental impacts of the traditional and newly developed approaches for manufacturing propellant tanks. The results of the LCA study showed that the new approach based on advanced forming technologies reduced carbon footprint by 40%, cumulative energy demand by 35%, water footprint by 17%, and materials waste by 4% compared to traditional manufacturing. The lower environmental impact of the new approach was attributed to a decrease in friction stir welding requirements due to the implementation of advanced forming techniques that enable integrated tank production. This lowered the overall energy consumption in the novel approach by a factor of 1.5 and in turn resulted in lower environmental impact compared to traditional forging and machining-based method. Furthermore, a futuristic scenario that involves in-house tank production using the novel approach with minimal transportation of inventories was also simulated. Based on the LCA results, it was seen that the newly developed approach for manufacturing propellant tanks was more environmentally friendly than the traditional approach and its environmental footprint could be further reduced by implementing the futuristic scenario with minimal transportation. This novel approach is also expected to reduce the lead time and production cost of manufacturing a propellant tank. Hence, future efforts in cost assessment and further optimization of raw material and energy usage are recommended.

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“…El mecanizado por arranque de viruta, aunque indispensable, es intensivo en recursos y energía, y genera una cantidad significativa de residuos metálicos y químicos. La sostenibilidad de este proceso es una preocupación creciente, impulsando la búsqueda de innovaciones tecnológicas y metodológicas que puedan reducir su huella ambiental sin comprometer la calidad o la eficiencia de la producción (Hassan, 2022).…”

Section: Introductionunclassified

Impacto ambiental de los procesos industriales de mecanizado por arranque de viruta con tornos paralelos mediante métodos innovadores: revisión del estado del arte

López Telenchana,

Estrada Hernández,

Jurado Robayo

et al. 2024

CCD

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Introducción: El mecanizado de metales por arranque de viruta es la técnica fundamental en la industria manufacturera, siendo el torneado el proceso de mecanizado tradicional más común, donde mediante la aplicación de energía mecánica se elimina material de una pieza. Como toda técnica de fabricación, el mecanizado por arranque de viruta produce distintos desechos o también llamados subproductos como: virutas del metal base, fluido de refrigerante, aceite lubricante, polvo metálico y excesivo uso de energía, estos desechos tienen importantes consecuencias para el medio ambiente, por lo que las metodologías para evaluar la afectación ambiental hacen que estos procesos tradicionales sean sostenibles. Objetivo: El presente estudio se propone investigar cómo las innovaciones tecnológicas pueden reducir el impacto ambiental de los procesos industriales de mecanizado por arranque de viruta con tornos paralelos. Metodología: La metodología en la estructuración de la presente investigación corresponde a una revisión exhaustiva de la literatura, seleccionando estudios recientes de alto impacto a través de bases de datos académicas reconocidas. Resultados: Los hallazgos de este estudio destacan que el mecanizado en seco emerge como una técnica clave para eliminar la necesidad de refrigerantes líquidos, abordando así los desafíos ambientales asociados con su disposición y reduciendo la exposición a sustancias potencialmente dañinas. La micro pulverización (MQL) se identifica como una estrategia efectiva para reducir el uso de lubricantes, minimizando la contaminación y los costos operativos al tiempo que mantiene la eficiencia del mecanizado. Además, el enfriamiento criogénico destaca por su capacidad para mejorar la dureza y resistencia al desgaste de las herramientas de corte. Conclusiones: Se concluyó que al integrar tecnologías innovadoras como refrigeración criogénica y la MQL en el sector manufacturero no solo mejora su sostenibilidad ambiental sino también su competitividad económica, representando pasos significativos hacia la reducción de los impactos ambientales adversos de la manufactura.

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Comparative life cycle analysis of environmental and machining performance under sustainable lubrication techniques

Cited by 12 publications

References 41 publications

A Overview of Energy Modelling Tools Relevant for Energy Efficiency Projections

A Overview of Energy Modelling Tools Relevant for Energy Efficiency Projections

Toward cleaner space explorations: a comparative life cycle assessment of spacecraft propeller tank manufacturing technologies

Impacto ambiental de los procesos industriales de mecanizado por arranque de viruta con tornos paralelos mediante métodos innovadores: revisión del estado del arte

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