Fluid Dynamic Analysis
The fluid Dynamic analysis is an area of study that has been having been extensively researched by physicists and CFD companies to understand its immense power and analyze the physical effects of Fluid flow in our engineering designs during the rendering of our CFD consulting services. CFD flow analysis is a Flow simulation methodology which can be used during our CFD services for a fast and effective virtual CFD simulation of Heat transfer and Fluid (liquid or gas) flow behavioral pattern either around or through a product design understudy. It is based on this accurate CFD Fluid dynamics flow simulation software model that our CFD consulting engineers at BroadTech Engineering can have a better understanding and more accurate CFD modeling of specific physics of the computational fluid analysis, such as
Featured Fluid Dynamic Analysis Case Studies
High Inertia Glazed Facade
Our client is developing new pre-fabricated modules to build new sustainable and energy efficient buildings. An energy efficiency study was carried out to investigate the applicability of double facades with thermal inertia for commercial office buildings in several climatic zones.
Solar irradiation, vanes design, glazing types and ventilating gates configurations were analyzed through CFD and compared with classic calculation methods in architecture.
CFD Analysis of Smoke Detector Efficiency
Our client needed to demonstrate the efficiency of a smoke detectors layout to the local fire authorities. Different layouts were simulated using CFD in order to monitor temperatures and CO2 concentrations in different fire scenarios. Variables such as heat output, fire location or chemical byproducts were analyzed throughout the studied domain.
How Does Fluid Dynamic Analysis Works
The use of fluid flow simulation methodology in engineering design fundamentally involves the solving of physics equations which govern fluid flow motion and forces.
What is Computational Fluid Dynamics (CFD)?
Computational fluid dynamics (CFD) is the application of physics, mathematics, and computational Fluid Dynamic simulation software tools to accurately Simulate and Visualize
Why is Computational Fluid Dynamics (CFD) Necessary?
As the governing equations for most practical real-world cases of fluid flow behaviors are relatively complex, such fluid dynamic equations can rarely be solved analytically by humans alone and in most requires the use of Numerical methods and the Computation power of CFD simulation software tools.
Thus, this use of Numerical analytical methods and Engineering software simulation tools refers to Computational Fluid Dynamics (or CFD analysis).
Features & Benefits of Fluid Dynamic Analysis
A major proportion of fluid flow dynamics analysis challenges faced by industries in the past are solved using Computational Fluid Dynamics (CFD) methods
Engineering Insights & Cost-Saving Benefits
When this Computational Fluid Dynamic analysis is involved early in the engineering design development process, it literally allows engineering design teams to get their design right the first time, thereby helping to avoid unnecessary tooling rework, delays in project schedules and saving of project development cost.
All these benefits make fluid dynamics analysis an integral part of most engineering design process in most companies today
CFD Fluid dynamic simulation helps to greatly simplify the analysis of Fluid flow behaviors as it enables the validation of various new design iteration with no need for fabrication of costly prototypes.
In often cases, the Fluid dynamic analysis can be relatively complex, where it involves dynamic flow behaviors such as
Without such a Fluid dynamic simulation software tool, the analysis of such flow behaviors can be time-consuming & costly
We can simulate a range of fluid flow behaviors and Physical flow models to offer you deeper engineering insight into your design behavior. This allows you to get your design right the first time early in the engineering development phase, thereby helping to accelerate the rate of innovation.
Fluid flow behaviors and Physical flow models that can be simulated using Fluid Dynamic Analysis includes
Application of Computational Fluid Dynamics Analytical method
Case study: Optimization of Cooling Infrastructure in Data Server Rooms
Base on input information such as the Data server center’s Size, and Layout, the CFD simulation software can create a 3D simulation model which can help companies to visualize and study of the impact of various changes on the flow of cold air will flowing through the data server center.
This helps companies to
This helps to give insights to the best physical adjustments that are required to optimize cooling without the need to invest in additional cooling equipment.
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Discover what Fluid Dynamic Analysis can do for your engineering challenges by calling us today at +6581822236 for a no obligation discussion of your project needs.
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Fluid Dynamic motion can be accurately Simulated and Analyzed using governing Fluid dynamic equations under specific fluid continuum conditions, where the fluid density remains relatively constant at the region of focus
* Note that in an environment such as in upper atmosphere or in a vacuum space, the continuum condition can be invalid as rarefied flows can occur due to low pressure.
Navier-Stokes Equations
Computational fluid dynamics simulation is derived based on the Navier-Stokes equations which govern the fluid flow motion and fluid forces.
These Navier-stokes equations which are derived from Newton’s second law of motion are physics equations describe how the velocity, pressure, temperature, and density of a moving fluid are correlated.
The surface forces involved in the fluid motion are contributed by pressure acting on the fluid and shear forces due to viscosity
Fluid Compressibility
1. Incompressible Fluid Flow
If a Fluid flow is incompressible, the effect of pressure on density is negligible and can be ignored.
This also allows the density can be assumed as a constant value to greatly simplify the analysis.
In such scenarios, the fluid flow behavior can be easily solved by continuity and momentum equations alone
*Note
2. Compressible Fluid Flow
A compressible fluid flow assumption has to be adopted for scenarios such as
This includes examples such as the study of supersonic airflow which exceed the speed of sound, where the flow is commonly characterized by Shock waves and large Pressure ratios
Type of Fluid Flow Regime
Before fluid dynamic analysis can be carried out, we must determine the type of fluid flow regime that we are analyzing
Inviscid Flow
However, in order to have an accurate analysis of real Fluid dynamic phenomena, it is necessary to take into account the viscosity of fluids. This is due to the creation of viscosity fluid boundary layers which heavily contributes to the generation of Eddie currents or Flow separates as well as pressure and frictional losses
Fluid Viscosity
Frictional Flow Shear Forces
Fluid viscosity is a result of frictional forces arising from the interaction between Fluid motion and the solid wall boundaries containing the fluid. This frictional force, also known as Shear force acts in opposition to the fluid flow motion
This frictional shear forces arising from fluid viscosity can be classified into either Turbulent or Laminar flow forces
1. Laminar Flow
limited to small and very regular geometries
2. Turbulent Flow
Complex due to the highly chaotic nature
Reynolds number
It is a measure of the relative ratio of the fluid motion inertia forces in comparison to the viscous or shear forces resisting the fluid flow motion.
Most Fluid flow behavior that occurs in real-world applications are largely turbulent flow