how a dredge pump works? CFD design on dredge pump
how a dredge pump works? CFD design on dredge pump: introduction
Do dredge pump is a dredge pump solution provide, including how to select dredge dredge pump, dredge pump for sale, dredge pump design, and dredge pump problems and solutions. Dredge pumps include on board dredge pump, ladder dredge pump, single walled dredge pump, double walled dredge pump, submersible dredge pump, booster dredge pump, hydraulic dredge pump etc.
Marine dredging pump for rivers, or the port or channel of the port. Uncertainty due to operating conditions, requires the mud pump to be in addition to the rated Economical and efficient operation under the working conditions, Also demanding constant change The working condition has strong adaptability, that is, the efficient area of the mud pump should be wide.
how a dredge pump works? CFD design on dredge pump: Traditional theoretical design
The combination of experimental measurements will not only have a large number of Fee investment, the huge cost of manpower and material resources, And long cycle. Place Take, must be combined with C FD analysis while designing the mud pump, Come Evaluate the rationality of the design. on the other hand, years of practice and proof, At the design point of the pump, applying quasi-three-dimensional based on ideal fluid Flow field obtained by flow or Euler equation, basically able to meet the design needs Want. but, other conditions away from the design point, will appear inside the impeller Current eddy current Flow phenomenon such as reflow, they affect to a large extent Impeller characteristics. Modern impeller design practice shows To get high Performance pump impeller, you must consider the flow under non-design conditions Situation, quantitative analysis of their impact on impeller performance. In recent years, The turbulent flow calculation of an e-model has been widely used.
how a dredge pump works? CFD design on dredge pump
This turbulence calculation model can be successfully applied to pumps in non-designers. Flow calculation
And the accuracy has reached a fairly high level. Simultaneously, The actual flow inside the pump is a very complex three-dimensional flow move, internal pressure and speed are spatially distributed With CF D
Quantitative analysis results obtained by technology, joint C A D, Maximum limit Optimize the design of pump hydraulic model. Computational Fluid Dynamics (Computational Fluid Dynamic, Referred to as C), it is calculated by computer numerical calculation and graphic display. For systems containing related physical phenomena such as fluid flow and conduction Doing analysis. The basic idea of C work can be summarized as: Put the original in Continuous physics in the time domain and spatial domain, such as speed field and pressure field, using a collection of variable values over a finite number of discrete points
for, establishing these discrete points through certain principles and methods Algebraic equations of the relationship between variables, then solve the algebraic side The group obtains an approximation of the field variable. C FD method and traditional theory Analytical method, Experimental measurement methods constitute the study of fluid flow problems Complete system. In the actual work, we should pay attention to the organic combination of the three.
how a dredge pump works? CFD design on dredge pump conclusion
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