Methodology of estimation of the main parameters of displacement wave flowing over the crest of the supporting construction of the hydrotechnical unit
DOI:
https://doi.org/10.33408/2519-237X.2018.2-1.76Keywords:
displacement wave, compressed depth, second conjugate depth, wave motion plotAbstract
Purpose. The estimation of the main parameters of breakthrough wave flowing over the crest of supporting construction of hydro technical unit.
Methods. The main provisions of the evaluation are based on the method of I.I. Agroskin. The movement of the stream flowing over the crest of the supporting structure is considered as a form of sharply changing uneven fluid motion, called hydraulic jumping.
Findings. The compressed and first conjugate depths are determined, and a direct relationship is obtained to determine the second conjugate depth, assumed equal to the maximum wave height behind the supporting structure.
Application field of research. The method of sequential calculation of parameters and plotting the flow of the generated dislocation wave (displacement wave) will make it possible to assess the possible consequences of flooding and the preparation of initial data for planning measures to protect the population and objects.
Conclusions. The obtained research results can be used in the design of hydraulic structures, taking into account the possibility of the generation of displacement waves.
References
Karpenchuk I.V., Striganova M.Yu., Makhmudov E.M. Determinirovannaya model' vozniknoveniya volny vytesneniya i metody ocenki ee porazhayushchego vozdejstviya na gidrotekhnicheskie sooruzheniya [Deterministic model of the emergence of the displacement wave and methods for assessing its damaging effect on hydraulic structures]. Chrezvychaynye situatsii: preduprezhdenie i likvidatsiya. Gomel: NII PB and ES, 2012 . No. 2 (32). Pp. 99–103. (rus)
Karpenchuk I.V., Striganova M.Yu. Opredelenie parametrov volny proryva s uchetom zaregulirovannosti vodotoka, pojmennyh uchastkov i programma postroeniya v GIS MCHS Respubliki Belarus' zon zatopleniya pri chrezvychajnyh situaciyah na gidrotekhnicheskih sooruzheniyah napornogo fronta [Determination of the breakthrough wave parameters taking into account the regulation of the watercourse, flood plots and the program for constructing flood zones in the GIS of the Ministry of Emergency Situations of the Republic of Belarus in emergency situations at hydraulic structures of the pressure front] Chrezvychaynye situatsii: preduprezhdenie i likvidatsiya, 2010. No. 2 (28). Pp. 73–82. (rus)
Agroskin I.I., Dmitriev G.T., Pikalov F.I. Gidravlika [Hydrolics]. Moscow: Energiya, 1964. 351 p. (rus)
Agroskin I.I. Gidravlika kanalov [Hydraulics of channels] Moscow: Gosenergoizdat, 1940. 328 p. (rus)
Agroskin I.I. Tablicy dlya gidravlicheskih raschetov [Tables for hydraulic calculations]. Moscow: Gosehnergoizdat, 1946. 197 p. (rus)
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Copyright (c) 2018 Striganova M.Yu., Shatalov I.M., Makhmudov E.M.
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