Centrifugal Pump Simulation
Centrifugal Pump simulation is at the core of what we do Daily here at our Singapore Headquarters in BroadTech Engineering
Consultancy.
We are a CFD company that Offers a Full range
of Professional CFD consulting services such as CFD flow analysis Simulation,
Numerical CFD Modeling, Mechanical FEA simulation, and Digital Rapid Prototyping solution to help design engineers and CAE Analysts make the correct engineering decisions much earlier in the Engineering development Workflow.
Featured Centrifugal Pump Simulation Case Studies
Scale-Adaptive CFD Simulation of the Unsteady Turbulent Flow in a High-Speed Centrifugal Compressor with a Wedge-Type Vaned Diffuser
This work investigated the details of unsteady flow behavior in a transonic centrifugal compressor with a vaned diffuser. The CFD Simulation analysis was based on solving three-dimensional, compressible, unsteady Navier-Stokes equations. The computational model was a high-compression ratio centrifugal compressor (4:1) consisting of an inlet duct, impeller, and diffuser vane. The hybrid scale-adaptive CFD Analysis Simulation (SAS) turbulent model is used to provide detailed flow information and characterize the transient flow structures within the compressor passages.
A numerical sensitivity test was performed as part of the CFD Flow Simulation to validate the computational results in terms of pressure ratio and compressor efficiency.
Instantaneous and mean flow field analyses were presented in the impeller and the vaned diffuser passages. Applying transient CFD Fluid Dynamics Simulations, it was shown that the interaction between the pressure waves and the surface pressure of the diffuser blades leads to a pulsating behavior within the diffuser.
Also, the current SAS results were compared with those of the URANS-SST (shear stress transport) approach to show the ability of the SAS approach in the prediction of turbulent structures, where the SAS model leads to a much better resolution of the unsteady fluctuations.
This CFD Fluid Flow Simulation study showed that the current SAS approach is promising in terms of the prediction of transient phenomena like LES, but offers a substantially reduced turn-around time.
Design and CFD Simulation Analysis of Centrifugal Pumps and Turbines.
The objective of this CFD Consulting Simulation project tasked to our CFD Services company is to design a Pump based on a requirement.
Ansys Fluent and CFX (Finite volume approach) is used to solve the pump performance.
Pump performance curve extracted as part of the scope of work for the CFD Analysis services.
Computational Fluid Dynamics Simulation Results generated by the Centrifugal Pump Simulation were found satisfactory, a pump was manufactured and Tested.
At the end of the CFD Consultancy project duration, We successfully deliver the product to the customer.
Design and CFD analysis of PumpJet Propulsor for Submarine
This CFD Fluid Dynamic Analysis project deal with the Design of a pumpjet propulsor for Commercial Submarine.
Computational Fluid Dynamic Analysis studies done on Submarine to find the Resultant drag and velocity variation. Ansys Fluent (K-omega SST) method used to solve the submarine.
Based on velocity variation pump jet propulsor was designed and attached with the submarine to check the performance of submarine with propulsor using Ansys Fluent (K-epsilon(RNG)) method.
Pumpjet propulsor overcome the drag of the submarine with higher efficiency.
The CFD Flow Simulation result was successfully submitted to the customer.
CFD analysis of Centrifugal pump intake system
CFD engineering Simulation of Centrifugal pump intake system was performed as part of the waste water treatment simulation project, where we were appointed as the CFD Consulting Company responsible for this project.
The Pump studied by the CFD Consultant in our Fluid Dynamics Company is used for various applications. for e.g wastewater system, Irrigation, thermal plant, power, etc.
Methodology:
- To design system as per hydraulic institute standard as part of the Scope of work for the CFD Services involved.
- Create a 3 D model. iii) clean up the model
- make a definition file by using appropriate boundary conditions.
- To do post-processing and check the flow quality and find swirl intensity near the pump suction.
- if flow quality is not found appropriate then go for the modification and do the simulation as per given modification and finally give a CFD runs for different combinations with recommended modification.
- Post-processing to prepare the CFD results for the Centrifugal Pump Simulation report.
CFD analysis of internal Convection of Pumped water flowing through the pipe
Objective:
CFD Research & Consultancy Study of internal convection of water flowing through the pipe to verify its analytical behavior.
Approach:
Using COMSOL CFD Software, the Fluid flow was computed with the k-epsilon model using a free triangular mesh and heat transfer physics.
Outcome:
For the fully developed region, the pressure difference agreed with Moody’s chart.
Obtained agreement with the theoretical graphs for Nusselt’s number, mean temperature, heat transfer coefficients, heat flux against pipe length.
Development of PCM based thermal energy storage system by using a numerical method
Methodology:
enthalpy technique has been used to develop numerical code for the Charging and discharging process.
Conclusion:
The thermal energy system has been enhanced by optimizing fins using CFD Thermal Analysis.
The heat transfer rate has been improved.
Influence of the inclined leading edge diffuser vanes on the aerodynamic performance of a transonic centrifugal compressor
Three-dimensional, compressible, Reynolds-averaged Navier-Stokes equations were solved to investigate the influence of the inclined leading edge diffuser vanes on the flow field and performance of a transonic centrifugal compressor with a high compression ratio.
Diffuser vanes with leading-edge inclined at different angles (10 different cases) were numerically modeled to investigate the effects that the inclined leading edge of the diffuser vane had on the diffuser pressure recovery and total pressure loss characteristics of the compressor.
Diffuser vanes with an inclined leading edge reduce the interaction between the impeller discharge flow and the leading edge of the diffuser, which results in a reduced separation inside the diffuser passages.
A maximum diffuser pressure recovery coefficient of 0.7185, was observed at a 30-degree inclination angle from hub-to-shroud. Moreover, in the case of inclination angles greater than 60 degrees for both hub-to-shroud and shroud-to-hub, there is a significant reduction in the pressure recovery, efficiency and pressure ratio.
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