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CFD (computational fluid dynamics) is the process of mathematically modeling a physical phenomenon involving fluid flow and solving it numerically using the computational prowess which is considered as one of the most precise numerical modeling methods for the analysis of fluid flow challenges.
CFD is helping to generate millions of dollars of savings in chemical process applications and it provides a good description of flow field variables, velocities, temperatures, or a mass concentration anywhere in the region with details not usually available through physical modeling which gives process engineers a more complete understanding of the internal operation of individual unit operations. Once the basic model is established, parametric runs can usually be accomplished with reduced effort.
CFD modeling provides a qualitative (and sometimes even quantitative) prediction of fluid flows by means of:
Where there is fluid, there is CFD. CFD modeling is widely used in biomedical, electronics, defense, industrial, environmental and civil industries. Many reviews in the CFD simulation have been recently reported which fully reflects its importance in the chemical industry.
Anthony G Dixon et al.[1] reviewed CFD for fixed bed reactor design and concluded that the application of CFD to fixed bed modeling and design can be divided into two directions: PMM (porous medium model) and PRCFD (particle-resolved CFD). The former is well accepted, although more extensive tests of its predictions would be useful, while simulations of larger numbers of particles to approach industrial scales of tube diameter and length, and improved turbulence approaches for high flow rates, also remain goals for the future.
David F Fletcher et al.[2] studied the use of CFD modelling to design improved dry powder inhalers. It showed the importance of selecting the correct turbulence modelling approach and boundary conditions to obtain good agreement with PIV (particle image velocimetry) data for the flow-field exiting the device.
Katharina Teuber et al.[3] studied the using of CFD to describe H2S mass transfer across the water-air interface in sewers. In this publication, a model approach has been introduced that can describe H2S emissions across the water surface using a mass transfer approach based on the Henry coefficient, which is implemented. Two-phase flow has been simulated using a volume of fluid method. The solver has been extended by different key features that are crucial when describing H2S emissions.
In addition, CFD modeling can be used in all chemical industries related to fluid.
With in-depth study in chemical products and chemical technology, Alfa Chemistry is particularly confident that we can provide the following CFD modeling services:
Alfa Chemistry can provide you with the most professional CFD modeling design schemes. Please feel free to contact us for more details.
