A method of calculating the erosion strength of moist steam turbine blades

Perel'man, R. G.

doi:10.1007/bf01532930

Cited by 1 publication

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“…The problem of interaction of the two-phase (dispersed) flows with streamlined bodies arises as part of analysis of the motion of various aircrafts in a dusty or rain atmosphere [1][2][3], and the flowing of two-phase coolants in channels of power facilities [4][5][6] as well. The presence of solid particles or drops may cause a significant (in some instances even multiple) increase of heat fluxes and erosion wearing of the streamlined surface.…”

Section: Introductionmentioning

confidence: 99%

Recovery of Particle Concentration Fields by Two-Phase Flow Visualization around Bodies

Zhelebovskiy¹,

Mochalov²,

Varaksin³

2021

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Measurement of the fields of particle concentration is one of the main task in research area of the two-phase flows around bodies in 'gas -solid particles' case. The paper considers the reconstruction of the concentration fields of solid particles by identifying their images. An experimental setup scheme for analysis of the structure of downward two-phase flow is presented. The main parameters of the experimental setup are as follows: geometry of the working area, air flow velocity, air flow rate, mass flow rate of particles. An optical monochrome setup for recording fast processes is briefly described. A method for processing experimental images based on the Canny edge detector is proposed. The processing algorithm for the experimental images was tested on glass microspheres used as a dispersed phase. The original image and a size distribution histogram for microstructures are presented. Examples of individual images of microspheres in a flow are considered for data validation. The experimental determination of the particle concentration fields in the downward flow and in the vicinity of the streamlined body are presented.

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Section: Introductionmentioning

confidence: 99%