Abstract

1. The operating regime of the MFPT has a determining effect on the value and direction of action of radial forces. 2. The presence of radial seals on runners does not lead to an unequivocal decrease of radial forces on the rotor. 3. The use in MFPT of radial seals of the runner with the geometric parameters used in the usual turbines is accompanied by considerable RFs on the rotor, greater than in the turbines. 4. A decrease of radial forces simultaneously in the PR and TR will cause difficulties in connection with differences in the values of the optimal parameters of the seals for each of the given regimes.

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