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A Combination of Experimental and Computational Fluid-Structure Interaction Studies to Evaluate the Energy Consumption of the Heart

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Cardiovascular disease is the leading cause of mortality in recent years. Cardiac measurements are the main factors to detect development of cardiovascular diseases and further related clinical decisions. The growing number of clinical and experimental studies has shown that optimizing the energy metabolism in the heart is an effective approach to reduce the influences associated with ischemia (blood deficiency) in myocardial tissue. The imbalance in heart energy leads to different diseases, such as hypertrophy and heart failure. In this study, a series of valves simulations were executed through a typical geometry to evaluate the energy consumption of the heart. Fluid-Structural Interaction (FSI) simulation was employed to predict the hemodynamic factors at rest, such as stroke volume, pressure, and subsequently energy consumption of the heart. In addition, Arbitrary Lagrangian-Eulerian (ALE) formulation was used to couple the Navier-Stokes equations to the solid wall equations. Furthermore, the energy consumption of the heart was experimentally measured via echocardiography. The numerical results revealed the energy consumption of the heart is 0.903 W which is in good agreement with that of the experimental ones. The findings of this study may have implications not only for understanding the energy consumption of the heart but also for employing as a noninvasive technique to be used to simply calculate the heart energy.


Document Type: Research Article

Publication date: March 1, 2016

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  • ENERGY AND ENVIRONMENT FOCUS is a multidisciplinary peer-reviewed international research journal consolidating research activities in all experimental and theoretical aspects of energy and environment with an interdisciplinary approach. The research topics include the preparation and characterization of advanced functional materials and their utilization in various energy and environmental applications, to name a few; fuel cells, batteries, solar cells, light emitting diodes, solar cells, optoelectronic devices, thermoelectric, clean energy, bio-fuels and bio-refineries, supercapacitors, hydrogen energy (storage and generation), geothermal energy, nanogenerators, self-powered devices and systems, catalysis, biomass and bioenergy, static and dynamic energy conversion; energy efficiency and management, nuclear energy, fossil fuels, geothermal, wind energy, electrolysis, and photothermal devices, environmental science and technology (environmental chemistry, physics biology and engineering) including climate change, greenhouse gases and global warming, ecology, environmental toxicology, industrial wastewater and sewage treatment, geosciences, atmospheric, terrestrial and aquatic environments, pollution and environmental control, hazardous substances, radioactive contamination, noise pollution, effects of air, water, and soil contaminations on human health, environmental public health policies, soil environmental management and technologies, environmental policies, rules and regulations, conservation of natural resources, and all aspects of theoretical modeling related with energy and environment.
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