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1 Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka

1 2005

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Exhaust Hood for the Steam Turbines of Single - Flow Arrangement

Tajc L., Bednar L., Poskocilova M., Hoznedl M.

Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka

2005

nr 128, vol. 2

547-556

The effect of the front wall inclination and the mutual position of casing and diffuser on thermodynamical losses have been investigated. The effect of the outer-casing shape variation was studied. In addition, the influence of taking-out for bearing cover on the loss factor has also been tasted. The computational model employed as the input a measured inlet velocity profile. Some internal rib and reinforcement were neglected in the model. A 3D model was used, but the symmetry of the flow field was taken into account. Only half of the flow channel was being treated in the computation. The results were compared with the available experimental data.