2012 2(10)

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Pages:

40 - 44

Language:

RU

Ref.:

7


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2012_2(10)_7.pdf

 

 

INVESTIGATION OF FLOW STRUCTURE IN A MODEL DRAFT TUBE

Skripkin S.G.1,2, Shtork S.I.1,2

1 Institute of Thermophysics SB RAS, Novosibirsk, Russia
2 Novosibirsk State University, Novosibirsk, Russia


Citation:

Skripkin, S.G. and Shtork, S.I., (2012) Investigation of flow structure in a model draft tube, Modern Science: Researches, Ideas, Results, Technologies, Iss. #2(10), PP. 40 - 44.


Keywords:

draft tube; hydraulic turbine; turbulent flow; TURBINE-99


Abstracts:

This work is devoted to the experimental investigation of flow structure in a model draft tube TURBINE–99 (T-99). There are a lot of works on computations for this geometry, which was made using different algorithms of processing data. But the majority of experimental data is limited with small cuts, which are caused by specificity of working areas. Most of these areas have just small transparent fragments for optical access. That’s why there was a purpose to get new, more detailed information about the flow structure, which is necessary for verification of data, that was get in numerical computations. This data will be used for optimization of geometry to increase stability of hydrodynamic equipment and to increase the efficiency of draft tubes work. Experiments were made using modern measuring systems, such as PIV-system (Particle Image Velocimetery) and camera of high-speed shooting VIDEOSPRINT.


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