ORCID Profile
0000-0002-5208-992X
Current Organisations
The University of Auckland
,
Future University in Egypt
,
Universidad Nacional del Centro de la Provincia de Buenos Aires
,
Egyptian Chinese University
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Publisher: ACM
Date: 09-10-2023
Publisher: Wiley
Date: 31-03-2023
DOI: 10.1002/WSBM.1608
Abstract: Computational modeling has well‐established utility in the study of cardiovascular hemodynamics, with applications in medical research and, increasingly, in clinical settings to improve the diagnosis and treatment of cardiovascular diseases. Most cardiovascular models developed to date have been of the adult circulatory system however, the perinatal period is unique as cardiovascular physiology undergoes drastic changes from the fetal circulation, during the birth transition, and into neonatal life. There may also be further complications in this period: for ex le, preterm birth (defined as birth before completed weeks of gestation) carries risks of short‐term cardiovascular instability and is associated with increased lifetime cardiovascular risk. Here, we review computational models of the cardiovascular system in early life, their applications to date and potential improvements and enhancements of these models. We propose a roadmap for developing an open‐source cardiovascular model that spans the fetal, perinatal, and postnatal periods. This article is categorized under: Cardiovascular Diseases Computational Models Cardiovascular Diseases Biomedical Engineering Congenital Diseases Computational Models
Publisher: MDPI AG
Date: 18-08-2022
DOI: 10.3390/MA15165681
Abstract: The aerospace metal cutting industry’s search for environmentally friendly practices that do not compromise machining performance is well known. One of the major objectives is the reduction in use of cutting fluids, which play a major role in containing the harsh effects of severe heat generated during machining. Machining performance and product quality can be improved by controlling heat during machining. The purpose of this study was to determine the effectiveness of various environmentally friendly metalworking fluid (MF) strategies for the sustainable turning of aerospace aluminum alloy (Al-5.6Zn-2.5Mg-1.6Cu-0.23Cr-T6) for automotive, marine, and aerospace industrial applications. The SEM images were analyzed for worn tool surfaces and machined surfaces. Under dry conditions, heat does not dissipate well, and will enter the workpiece due to the absence of coolant. This causes extreme damage beneath a turned workpiece. Thus, at 10 µm, a drop in microhardness of approximately 20% can be observed. A similar observation was made in a Ranque-Hilsch vortex tube (RHVT) and in compressed air however, the drop in hardness was relatively low compared to dry conditions. This evaluation of microhardness indicated a heat-based attention in the turned workpiece, and thus, the heat-based effect was found to be lowest in RHVT and compressed air compared to dry conditions. Results showed that RHVT reduces temperature up to 10%, surface roughness 13%, and tool wear 20% compared to dry turning. Overall, RHVT was identified as more effective environmentally friendly cooling strategy than dry and compressed air for the turning of aluminum alloy 7075-T6.
Publisher: Elsevier BV
Date: 09-2022
Location: Argentina
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Gonzalo Daniel Maso Talou.