<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Based on basic equation and boundary layer theory of pneumodynamics, the thesis conducts numerical modeling and theoretical analysis on the last stage of turbine characteristics at a small volume flow by using FLUENT, gives an emphasized analysis on the position of first occurrence of backflow and its expansion direction and comes up with flow structure of the turbine flow field at last stage in the small volume flow condition. In connection with specific experiments, it puts forward the flow model of backflow occurring in the last stage field and the solution to the model. The flow field at last stage for a 100MW turbine in the small volume flow condition that is calculated by using the model is basically in conformity to the actual result.</p></abstract>

Based on basic equation and boundary layer theory of pneumodynamics, the thesis conducts numerical modeling and theoretical analysis on the last stage of turbine characteristics at a small volume flow by using FLUENT, gives an emphasized analysis on the position of first occurrence of backflow and its expansion direction and comes up with flow structure of the turbine flow field at last stage in the small volume flow condition. In connection with specific experiments, it puts forward the flow model of backflow occurring in the last stage field and the solution to the model. The flow field at last stage for a 100MW turbine in the small volume flow condition that is calculated by using the model is basically in conformity to the actual result.

Calculating Study of the Turbine at Last Stage Flow Field in the Small Volume Flow Condition

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Based on basic equation and boundary layer theory of pneumodynamics, the thesis conducts numerical modeling and theoretical analysis on the last stage of...

Calculating Study of the Turbine at Last Stage Flow Field in the Small Volume Flow Condition

Article Category: Special Issue Title: Marine Processes Studies And Marine Engineering

Publié en ligne: 22 nov. 2017

Pages: 23 - 27

DOI: https://doi.org/10.1515/pomr-2017-0100

Mots clés
Turbine, Small volume flow, Flow model, Backflow

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Calculating Study of the Turbine at Last Stage Flow Field in the Small Volume Flow Condition

Article Category: Special Issue Title: Marine Processes Studies And Marine Engineering

Publié en ligne: 22 nov. 2017

Pages: 23 - 27

DOI: https://doi.org/10.1515/pomr-2017-0100

Mots clésTurbine, Small volume flow, Flow model, Backflow

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Turbine, Small volume flow, Flow model, Backflow