Annular Jet Pump CFD Simulation, ANSYS Fluent Training
Annular Jet Pump CFD Simulation, ANSYS Fluent Training
- Upon ordering this product, you will be provided with a geometry file, a mesh file, and an in-depth Training Video that offers a step-by-step training on the simulation process.
- For any more inquiries regarding the product, please do not hesitate to reach out to us at info@CFDLAND.com or through our online support assistant.
Original price was: €140.00.€99.00Current price is: €99.00.
Title: Annular Jet Pump CFD Simulation, ANSYS Fluent Training
The annular jet pump has the advantage of having no moving parts, and the second fluid flows in a straight line to minimize wall losses. As a result, it is well-suited for pumping mixed fluids containing significant amounts of solid particles, such as ore, live fish, capsules, and industrial waste. The current CFD simulation relies on a valid reference paper entitled “ Parameter Analysis and Optimization of Annular Jet Pump Based on Kriging Model”.
Figure 1: Schematic drawing of an annular jet pump
Simulation Process
Figure 2 shows the annular jet pump calculation domain. To reduce the calculation cost, the 2D axisymmetric model was adopted. It is discretized by 390307 quadrilateral cells (structured grid). The standard wall function and the realizable k–ε model can accurately simulate annular jet pump flow details and calculate the performance index. These settings are all set regarding the reference paper.
Figure 2: 2D axisymmetric domain
Post-processing
The effect of turbulent mixing is influenced by the jet pump structure parameters determining the jet pump performance. Dimensionless parameters, efficiency η and pressure ratio h, are introduced to study the jet pump performance. Their equations are (reference paper):
![\[ h = \frac{\Delta p_o}{\Delta p_p} = \frac{\left(p_o + \gamma_o \frac{V^2_o}{2g}+\gamma_o z_o \right) - \left( p_s + \gamma_s \frac{V^2_s}{2g}+\gamma_s z_s\right)}{\left( p_p + \gamma_p \frac{V^2_p}{2g}+\gamma_p z_p\right) - \left(p_o + \gamma_o \frac{V^2_o}{2g}+\gamma_o z_o \right)} \]](https://cfdland.com/wp-content/ql-cache/quicklatex.com-396e420883bc7a2e056b9a6cff24a1a5_l3.png "Rendered by QuickLaTeX.com")
![\[ \eta = \frac{Q_s}{Q_p}.\frac{\Delta p_o}{\Delta p_p-\Delta p_o}=q\frac{h}{1-h} \]](https://cfdland.com/wp-content/ql-cache/quicklatex.com-86ed20b7f40f99315d85c505d3e0123a_l3.png "Rendered by QuickLaTeX.com")
![\[ q= \frac{Q_s}{Q_p} \]](https://cfdland.com/wp-content/ql-cache/quicklatex.com-7ac08277e8f283361c92239e17f16b2a_l3.png "Rendered by QuickLaTeX.com")
Pressure contour indicates pressure recovery as the flow progresses through the pump. The velocity contour reveals a high-velocity jet entering from the left, which gradually mixes with the surrounding fluid. The velocity decreases and becomes more uniform as the flow moves through the pump’s throat and diffuser sections. There’s a noticeable boundary layer development along the walls, shown by the blue low-velocity regions. The mixing process between the high-speed jet and the entrained fluid is evident in the central section, where the velocity gradually transitions from high to moderate.
Given the reported efficiency of 0.115 (11.5%), this suggests that there’s significant room for optimization while the pump is operational. The relatively low efficiency might be due to energy losses during mixing, wall friction, or suboptimal geometry design. Further analysis and potential design modifications could be explored to improve the pump’s performance.
We pride ourselves on presenting unique products at CFDLAND. We stand out for our scientific rigor and validity. Our products are not based on guesswork or theoretical assumptions like many others. Instead, most of our products are validated using experimental or numerical data from valued scientific journals. Even if direct validation isn’t possible, we build our models and assumptions on the latest research, typically using reference articles to approximate reality.
Yes, we’ll be here . If you have trouble loading files, having technical problems, or have any questions about how to use our products, our technical support team is here to help.
You can load geometry and mesh files, as well as case and data files, using any version of ANSYS Fluent.
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