Search or ask a question

Biocavity flows in cfd?

Stream function

Best insight from top research papers

Biocavity flows in Computational Fluid Dynamics (CFD) involve simulating fluid dynamics within cavities influenced by biological elements. Studies explore various aspects like biomagnetic fluid flow under magnetic fields , bio-inspired cavity quantum electrodynamic systems , and dynamic-filling bioreaction devices for biological samples . CFD software is utilized to analyze temperature and velocity fields within cavities, emphasizing the impact of inlet velocity changes . Research delves into turbulence modeling and simulation of transonic cavity flows, focusing on noise levels, acoustic interactions, and turbulence control . These investigations aim to enhance understanding of biocavity behaviors, offering insights into eco-friendly quantum technologies and biological sample culture components.

Answers from top 4 papers

PDF

Open Access

More filters

Papers (4)	Insight
Patent Cavity-type dynamic-filling bioreaction device Cunyi Fan, Liu Shen, Jin Fangchun, Jianxi Lu - Show less +3 more 05 Jun 2013 5 Citations	Not addressed in the paper.
Open access•Journal Article•DOI Envisioning Quantum Electrodynamic Frameworks Based on Bio-Photonic Cavities Vincenzo Caligiuri, Francesca Leone, Ferdinanda Annesi, Alfredo Pane, Roberto Bartolino, Antonio De Luca - Show less +5 more 23 Oct 2021-Photonics 1 Citations	Not addressed in the paper.
Book Chapter•DOI Simulation of Biomagnetic Fluid Flow in a Lid-Driven Cavity Under Steady Localized Magnetic Field Sumanta Banerjee, Ranjan Ganguly - Show less +1 more 01 Jan 2021	Simulation of biomagnetic fluid flow in a lid-driven cavity under a localized magnetic field is studied using CFD, focusing on field-fluid interactions in laminar flow regimes.
Open access•Journal Article Numerical Simulation of the Driven Cavity Flow Hao Wen 01 Jan 2012-Journal of Engineering Thermophysics 1 Citations	Not addressed in the paper.

My columns

Related Questions

What are the gas flow and heat transfer characteristics in the channel?4 answersThe gas flow and heat transfer characteristics in the channel are influenced by various factors. The presence of miniature cuboid dimples in a rectangular channel induces protrusion effect, secondary vortex, and local miniature air rolling bearing, resulting in drag reduction and slight variation of heat transfer performance. The use of a modified perforated-baffle in a square wings form also affects the flow and heat transfer. It induces impinging jets, recirculation flows, and changes in heat transfer rates and friction losses. Similarly, the presence of a miniature rectangular groove at the bottom of a rectangular channel creates an effective slip surface, reducing the velocity gradient and improving heat transfer performance. Additionally, the Coriolis-utilization rotating rectangular smooth cooling U-channel utilizes the Coriolis force to strengthen heat transfer and reduces pressure loss. These findings highlight the importance of considering channel modifications and design features in understanding gas flow and heat transfer characteristics.

How can biomimicry be used to design buildings that are more sustainable and energy-efficient?5 answersBiomimicry can be used to design buildings that are more sustainable and energy-efficient by drawing inspiration from nature's patterns, forms, and processes. By studying living organisms and their behaviors, architects and engineers can create bio-inspired structures that mimic the efficiency and adaptability found in nature. This approach involves integrating bio-inspired designs and technologies into the development of buildings, such as using living cladding and innovative construction methods and materials. Biomimicry can enhance sustainability in the built environment by improving energy efficiency, natural ventilation, daylighting, and structural stability. It offers a solution for design problems by utilizing natural models, systems, and elements, ultimately leading to a more regenerative and circular approach in the building sector. By leveraging nature's genius, biomimicry can contribute to reducing CO2 emissions and evolving towards a sustainable and circular economy.

How can computational fluid dynamics (CFD) be used to study the flow of blood in the human body?5 answersComputational fluid dynamics (CFD) is used to study the flow of blood in the human body by simulating blood flow and analyzing its characteristics. CFD models can predict blood viscosity, rheology, and hemodynamics under different conditions, including normal and diseased states. These models can also investigate the impact of various factors such as cell structure, viscoelastic properties, and cell interactions on blood viscosity. Additionally, CFD can be used to simulate cardiovascular function and dysfunction, accounting for moving cardiac valves, transitional flow regimes, and the influence of physical processes on heart function. Machine learning techniques have been explored to replicate conventional CFD simulations, providing faster and automatic regression models with reasonable accuracy. Deep learning approaches integrated with CFD have the potential to accelerate computational hemodynamics simulations and transform them into non-invasive computational medical tools. Group-equivariant graph convolution and SE(3)-equivariant neural networks can estimate blood flow and wall shear stress with high accuracy and efficiency, making them potential replacements for CFD in personalized hemodynamic predictions.

What factors that influence the adoption of biopakcaging?5 answersFactors that influence the adoption of biopackaging include capital, research and development (R&D) and innovation, licensing and intellectual property (IP) related impediments, socio-economic factors, education level, income level, number of cattle, women-headed family, environmental, economic, social, and technological benefits, motivation from Non-Governmental Organizations (NGOs), and awareness campaigns through existing channels of communication, provision of financial incentives, participation of print media, and active involvement of Government institutions. Additionally, the extent of integrated pest management (IPM) adoption is influenced by farm size, number of full-time workers, crop diversification, disease problems, and availability of biological control agents. In the case of biosecurity measures, risk reduction, costs, personal experience of disease outbreak, perception of likelihood of experiencing a disease, and belief in the effectiveness of risk mitigation are important factors. For the adoption of telehealth healthcare service, factors such as product design, patient relationship management, knowledge management, supply chain management, governance structure, and environment play a significant role.

What kind of flow is ideal for macroinvertebrates?5 answersThe ideal flow for macroinvertebrates varies depending on the specific species and the season. In general, macroinvertebrates have higher ecological water requirements and optimal environmental flow during the wet season compared to the dry season. Surface flow types, which represent distinct hydraulic conditions, provide relevant information about physical habitat for macroinvertebrates. Macroinvertebrate assemblages are influenced by factors such as water depth, flow type patch size, near-bed velocity, turbulence, and substrate characteristics. Flood disturbances also play a role in shaping macroinvertebrate adaptations, with morphological adaptations being more prevalent under frequent and aseasonal disturbances, while life-cycle synchronization and behavioral adaptations are associated with highly seasonal and predictable disturbances. The effects of flow alterations on macroinvertebrates will depend on their adaptation strategies to the current flow regime. Environmental flow requirements for macroinvertebrates vary with depth, velocity, and bottom substratum, and are influenced by factors such as seasonality and urbanization.

What is tesla valve and how is flow behaive?5 answersA Tesla valve is a type of micro-valve that allows flow in one direction and restricts flow in the opposite direction. It is a passive fluid control device that does not have any moving parts. The flow behavior of a Tesla valve is characterized by its unidirectional flow characteristics and its ability to increase mixing efficiency. The valve structure, which includes flow channels, mixing chambers, and one-way valves, plays a crucial role in achieving these flow characteristics. The flow phenomena within the Tesla valve have been studied using experimental methods such as particle shadowgraph velocimetry (PSV) and numerical simulations. The presence of unsteady behavior, vortex shedding, and the increase in diodicity with an increase in the number of Tesla loops in the valve have been observed. Computational fluid dynamics (CFD) models, such as the Realizable k-e, k-kL-ω, and SST k-ω models, have been used to predict the diodicity of Tesla valves.

See what other people are reading

What is the optimal twisted pitch length for enhancing heat transfer in double pipe heat exchangers?

The optimal twisted pitch length for enhancing heat transfer in double pipe heat exchangers varies based on different studies. Research by Wang suggests that a smaller twist pitch length, such as 160 mm, offers higher Nusselt numbers and friction factors in square twisted tube heat exchangers. On the other hand, Ilikan's study indicates that a length ratio (LR) of 70% in twisted tapes provides an optimum combination of maximum heat transfer and minimum friction, outperforming completely filling the tube with twisted tape. Additionally, Salman et al. found that using a helical tape with a pitch of 11 cm resulted in the maximum enhancement in Nusselt number and convection heat transfer coefficient in a double pipe heat exchanger. Therefore, the optimal twisted pitch length for heat transfer enhancement depends on the specific geometry and conditions of the heat exchanger.What is the relationship between twisted pitch thickness and heat transfer enhancement in double pipe heat exchangers?

The twisted pitch thickness in double pipe heat exchangers plays a crucial role in enhancing heat transfer performance. Research indicates that twisted tube geometries, such as square and oval twisted tubes, with varying twist pitch lengths significantly impact heat transfer efficiency. Twisted tape insertion with different length ratios also affects heat transfer enhancement, with an LR of 70% demonstrating optimal results by providing a balance between maximum heat transfer and minimum friction. Additionally, the use of twisted tube exchangers with alternative geometries leads to improved thermo-hydraulic performance, reducing surface area requirements and pressure drop compared to conventional exchangers. These findings collectively highlight the importance of twisted pitch thickness in achieving enhanced heat transfer efficiency in double pipe heat exchangers.Can the twisted pitch thickness be optimized to achieve maximum heat transfer enhancement in double pipe heat exchangers?

Optimizing the twisted pitch thickness can indeed enhance heat transfer in double pipe heat exchangers. Various studies have shown that altering the twist ratio and pitch length of twisted tapes can significantly impact heat transfer performance. For instance, using twisted tapes with different twist ratios and pitch lengths has been found to improve thermal performance by promoting turbulence and fluid mixing, leading to increased heat transfer and thermal performance factors. Additionally, research on twisted oval tubes in heat exchangers demonstrated that optimizing structural parameters, such as twisted pitch length and the ratio of long axis to short axis, can enhance the comprehensive performance index by up to 26.42% compared to the original structure. Therefore, adjusting the twisted pitch thickness can be a crucial factor in achieving maximum heat transfer enhancement in double pipe heat exchangers.What factors influence the rate of uniform corrosion of stainless steel with oxygen?

The rate of uniform corrosion of stainless steel with oxygen is influenced by various factors. High flow velocities can lead to an increase in corrosion rate due to the rupture of passive films caused by increased wall shear stress. Exposure to corrosive media like leachates containing dissolved salts and heavy metals can accelerate corrosion, with a direct relationship between the rate of deterioration and the onset of pitting corrosion. In environments with boiling nitric acid solutions from spent nuclear fuels, stainless steels corrode due to their nobler corrosion potential and fast reduction rates. The concentration of dissolved oxygen also plays a significant role in the corrosion current of stainless steel, showing different dependencies on passive and cathodically activated specimens. Additionally, environmental factors like inhibitor concentration, immersion time, and HCl concentration can synergistically affect the corrosion rate of stainless steel AISI 304.Create a project topic for criminology course?

A potential project topic for a criminology course could involve exploring the intersection of forensic questioned documents examination with issues of racial injustice in the criminal justice system. This project could focus on how the analysis of signatures and documents can be utilized to uncover disparities and biases within legal processes. By incorporating themes of accessibility, reliability of specimens, and self-study in forensic document examination, students can delve into real-world applications of criminological principles while addressing societal challenges related to racial and ethnic inequality. This interdisciplinary approach would not only enhance students' understanding of forensic techniques but also encourage critical thinking about systemic issues in the criminal justice system, fostering a holistic perspective on crime and justice.What is a venturi flow meter performance analysis?

A venturi flow meter performance analysis involves evaluating the accuracy and efficiency of venturi flow meters in measuring fluid flow rates. The analysis considers factors such as pressure distribution, measurement errors, and the impact of design variations on flow measurement precision. Research shows that venturi flow meters offer better accuracy compared to orifice plate flow meters, with measurement errors around ±0.75% for venturi meters and ±1.50% for orifice plate meters. Computational fluid dynamics simulations are utilized to study pressure variations and velocity vectors along the venturi meter, highlighting the importance of factors like pipe shape, size, and orientation in determining the coefficient of discharge. Additionally, the design of venturi flow meters can include innovative features like flow dividing assemblies to optimize gas flow distribution and enhance measurement precision.How do i model two viscous emulsion mixing in time ?

To model the mixing of two viscous emulsions over time, a combination of computational fluid dynamics (CFD) and population balance modeling (PBM) can be employed. By utilizing CFD simulations with a turbulence model and linking it to population balance equations, the behavior of turbulent drop dispersion and evolving rheology in concentrated oil-water emulsions can be studied. Additionally, incorporating a modified volume of fluid method for multiphase problems can help analyze the rheology of two-fluid systems in emulsions under different conditions like volume fraction and Capillary number. These approaches allow for the prediction of emulsion behavior, including viscosity changes, shear-thinning effects, and the impact of deformation and shear on the mixing process over time.What are the optimal conditions for storing buffer saliva samples before use in lateral flow tests?\?

The optimal conditions for storing buffer saliva samples before use in lateral flow tests involve the utilization of MAWI Cell Stabilization (MCS) buffer, which has been shown to preserve human genomic DNA and total protein effectively at room temperature for downstream applications. This buffer is non-alcohol-based and non-lytic, maintaining the integrity of genomic materials and proteins in saliva samples, making it suitable for transportation and storage in remote or resource-limited settings. Additionally, the study highlights that while bacterial genomic DNA is accurately preserved with MCS buffer, it does not inhibit bacterial growth at room temperature. Therefore, for optimal storage conditions, utilizing MCS buffer for preserving human genomic DNA and total protein in saliva samples is recommended before conducting lateral flow tests.Increasing velocity in outer bank in meandering channel?

In a meandering channel, the velocity at the outer bank tends to increase due to various factors such as centrifugal force, secondary flows, and channel curvature. The centrifugal force generated by the channel's curvature leads to a transversal slope in the water surface, causing secondary flows that result in longitudinal velocity increase at the inner wall and decrease at the outer wall. Additionally, the excess flow velocity at the outer bank is related to the bend curvature, leading to an increase in velocity at the outer bank. Furthermore, the installation of in-stream transverse rock structures like vane dikes can help mitigate problematic hydraulics associated with migrating river bends, resulting in a reduction of the outer-bank velocity magnitude.What are the strategies that could be implemented to improve the performance of a solar collector?

To enhance the performance of a solar collector, several strategies can be implemented based on the research findings. One approach involves modifying the duct design by rounding corners and incorporating spherical dents on the absorber plate to avoid flow stagnation and promote energy augmentation, resulting in a significant improvement in energy augmentation by 378% at low Reynolds numbers. Another strategy includes utilizing baffles in the absorber plate of a flat plate solar collector to improve heat transfer characteristics, where increasing the number and height of baffles enhances the mean outlet temperature and heat transfer rate between the fluid and absorber plate. Additionally, optimizing parameters such as absorber diameter, length, width, focal length, and angle of incidence through algorithms like Genetic Algorithm and Particle Swarm Optimization can lead to a 16% increase in absorbed solar irradiation for parabolic trough solar collectors.Whole-cortex in situ sequencing reveals input-dependent area identity

Whole-cortex in situ sequencing, as demonstrated in the research by Fischer et al., provides insights into how cortical areas are defined by their transcriptomic signatures. This technique reveals that the composition of transcriptomic types is highly predictive of cortical area identity, allowing for the grouping of cortical areas into modules with similar cell type compositions. Additionally, the study by Simon et al.highlights the diversity of ventral tegmental area (VTA) activation driven by distinct inputs, showcasing the specificity of input-dependent activation of neuronal subpopulations. Furthermore, the work by Zhang et al.emphasizes the importance of understanding the spatial organization and connectivity of different cell types in the brain, which is achieved through spatially resolved cell atlases generated using in situ single-cell transcriptome-imaging methods.