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- Title
DESIGN OF SMALL BULB TURBINES WITH UNEQUAL SPECIFIC WORK DISTRIBUTION OF THE RUNNER'S ELEMENTARY STAGES.
- Authors
Bogdanović-Jovanović, Jasmina; Bogdanović, Božidar; Božić, Ivan
- Abstract
Regarding the present state of knowledge in the field of the turbomachinery design, the method for designing small bulb turbines with unequal specific work distribution of the turbine runner's elementary stages near the hub is presented in the paper. The distribution function of specific work of all the elementary stages is obtained, according to which the averaged axisymmetric flow surfaces of the turbine runner have a negligibly small deviation from the cylindrical flow surfaces. The specific work of the near-the-hub elementary stages, in the given distribution function, can be reduced up to 60% of the required (design) specific work, still achieving nearly cylindrical flow surfaces.
- Subjects
TURBOMACHINES; HYDRAULIC turbines; DISTRIBUTION (Probability theory); FLOW velocity; VECTORS (Calculus)
- Publication
Facta Universitatis, Series: Mechanical Engineering, 2014, Vol 12, Issue 1, p73
- ISSN
0354-2025
- Publication type
Article