Blog Summary Computational fluid dynamics will be helpful in determining the velocity and pressure drops inside an AC duct. A supply duct inside a train coach is taken for case study. The post-processing image shows a velocity magnitude contour overlapped with vector directions. Table content Explanation Case Study Explanation : Supply air from AHU’s are carried to diffusers through ducts. The area of duct depends on volume flow rate. Starting from the AHU a cross-section re

Blog Summary Axial flow fan has wide range of application in industry. The main usage of the axial flow fan is to provide the forced ventilation. The performance curve can be determined based on CFD analysis. Table content Explanation Challenges Multiple Reference Frame(MRF) Approach Results Explanation : Axial flow fan has wide range of application in industry. The main usage of the axial flow fan is to provide the forced ventilation. The size and the performance of the fan

Blog Summary To detect the peak pressure surge in a pipe system and for proper pipe sizing, a method of analyzing the pressure changes in a pipe system called surge analysis is performed. In any pipeline system, the fluid flow must be started and stopped by pump/valve operations. Table content Overview Reasons for the cause of pressure surge Advantages of the simulation Solution and control measures from the simulation Overview : To detect the peak pressure surge in a pipe sy

Blog Summary The high temperature of the solar panels can minimized by several ways and below are the most commonly used approaches, Natural heat loss from the solar panel to the surrounding air medium. Introducing fins to increase the heat transfer surface area. Providing liquid Cooling at the top surface of the panel. With the help of a CFD simulation, the interaction of the blowing wind with the solar panel can be studied for a real life scenario given the weather conditio

Blog Summary Aeration tanks in wastewater treatment plant promote the biological degradation of sewage. Inside the tanks, air diffusers and blowers create an oxygen-rich environment to support the growth of aerobic microorganisms. CFD can help in estimating the time of residence of water along with the concentration of air in the aeration tank. It also helps in identifying any vortex formation and presence of dead (stagnation) zones in aeration tank. With these insights, impr

Blog Summary Clean rooms or sterile facilities are maintained under a conditioned space.Clean rooms are spaces where the concentration of unwanted foreign particles and environmental conditions must be maintained in a stringent manner. In this study is to estimate the concentration of contaminants per cubic volume of air in a pharmaceutical facility and the efficiency of the HVAC system installed to tackle the particulates. Table content Explanation Results Explanation : Clea

Blog Summary The water treatment systems require a stable flow and composition of solid particles to perform efficiently. CFD analysis helps in Estimation of the settling rate of the suspended solids Prediction of mixing pattern and vortex separation regions Verification of the presence of air phase near the suction of the pumps Identification of stagnation zones and swirl angle near the suction Table content Explanation Problems CFD Solution Explanation : A Water balancing t

Blog Summary The problem of fire growth prediction has historically been very challenging for engineers and scientists pursuing research in the field of fire dynamics. The greatest advantage of predicting fire would be the fact that is can facilitate the installation of a appropriate fire suppression system. Table content Explanation Warehouse Geometry and Fire Dynamics Simulation (FDS) Setup Ignition Scenario and Fire Progression Analysis Explanation : The problem of fire gr

Blog Summary Flow frequencies in a duct flow if in-phase with structural eigen frequencies, can cause severe vibrations. Reduction or complete elimination of such flow induced vibrations might not even require major structural modifications! Table content Explanation Duct Flow Analysis Explanation : Flow frequencies in a duct flow if in-phase with structural eigen frequencies, can cause severe vibrations. Reduction or complete elimination of such flow induced vibrations might

Blog Summary This case-study discusses benefits of CFD will be discussed while describing key parameters affecting performance of air-cooled condensers of split ACs and central air conditioning. Two different fans have been simulated as per manufacturer’s standard test conditions and the superiority of fan-2 over fan-1 is clear from the performance curve. The performance curve is a CFD generated curve, where fans are tested at various system resistance values. Table content E

Blog Summary The efficiency of PEMFC depends on, Water management Temperature management (could cause destruction if thermal loading is high) Hydrogen consumption CFD analyses plays a major role in deciding the finest design. With the help of a Computational Fluid Dynamics (CFD) simulation, The velocity distribution and pressure drop inside the fuel cells could be estimated at each point at any given time of the process. The temperature Distribution inside the fuel cell coul

Blog Summary The case study based on CFD analysis of transformer in an electrical substation in Dubai, UAE. In Gulf countries like Saudi Arabia, where dust storms are prominent, transformers are kept inside a room with perforated walls and roofs. So CFD results can be utilized to choose appropriate perforation sizes. Closely spaced fins lead to a hotter temperature zone near the transformer. A forced convection is effect is created using fans to keep the fin temperature unde

Blog Summary Designing a proper ventilation system is integral to building & facility planning, because it is has direct impact on safety and health of the occupants. With the help of of computational fluid dynamics (CFD) and network flow model tools, the effectiveness of natural ventilation can be evaluated at the designing stage. Table content Explanation What makes natural ventilation special Explanation : Designing a proper ventilation system is integral to building &

Blog Summary Multiple reference frame (MRF) is used in CFD simulations, where separate static and rotating zones are present. For example, in a centrifugal pump, impeller imparts a rotating motion to fluid. Table content Explanation Explanation : Multiple reference frame (MRF) is used in CFD simulations, where separate static and rotating zones are present. For example, in a centrifugal pump, impeller imparts a rotating motion to fluid. The zone of fluid between casing and im

Blog Summary Diesel engines dissipate heat during electric energy generation and a sufficiently ventilated space is required to keep the temperature within threshold. CFD studies would be immensely helpful in optimizing such engine package units. Table content Explanation Velocity distribution over the condenser region CFD study pattern of air flow over the engine diesel generator Explanation : Weather louvers and noise dampers present near the hosing exhaust are also major o

Blog Summary The difficulties faced in electro coating process are generally Edge Coverage (The edges are not uniformly covered with paints) , Rust and corrosion due to non-uniform coating etc CFD is a perfect tool to analyse the coating quality at the design stage. With the help of a Computational Fluid Dynamics (CFD) simulation, The coating quality (Badly painted areas and edges) over the car bodies could be estimated. The temperature distribution could also be checked. Tab

Blog Summary Thermal Energy Storage (TES) System is a widely proven technology for storing excessive thermal energy (hot/cold) during off-peak hours through cooling systems (chiller) . With the help of a Computational Fluid Dynamics (CFD) simulation , The thermocline thickness prediction, which can be optimized with test simulations. Design, analysis and optimization of the diffusers. Fluid flow physics visualization throughout the TES tank. Table content Explanation Scope Of

Blog Summary If the ODU’s are placed one above other, due to natural convection, temperature near the top-most ODU will be a lot higher. So the refrigerant in ODU’s towards the top will not be able to reject heat to a hotter ambient effectively. A CFD study can be used to finalize the appropriate mitigation strategies in a cost effective manner. Table content Explanation Case Study Explanation : Ductable air conditioning systems generate good amount of heat owing to their hig

Blog Summary A data hall is a specialized area within a data center that accommodates Information Technology Equipment (ITE), including servers, data storage, and networking devices. These components function most effectively within a specific temperature range recommended by the Original Equipment Manufacturer (OEM). Computational Fluid Dynamics (CFD) assists in data hall design by modelling airflow, predicting temperature distributions, and optimizing cooling strategies Ta

Summary: In water treatment plants finer particles are removed by a series of processes called flash or rapid mixing, Coagulation, and Flocculation. Computational Fluid Dynamics (CFD) Simulation helps evaluating performance of various processes and helps in followings, Mixing intensity can be determined. Residence time inside the mixer can be determined. Performance of different agitator blade designs can be studied. Velocity and mixing pattern inside the mixing chamber can b