Výsledky vyhledávání - "Zaza KHOKERASHVILI"

The results of physical modeling of fires for road tunnels

Autor: Zaza Khokerashvili, Davit Tsanava

Publikováno v: GEORGIAN SCIENTISTS.

The paper gives the results of a fire development study using physical models of inclined vehicular traffic tunnels scaled 1:60. The tunnel inclination varied within 0-10% with a 2% increment. The fire strength initiated and developed in a natural tu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08320a566d3a5731e88b6b13ca0d3a03
https://doi.org/10.52340/gs.2022.04.02.02

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ANALYSIS OF THE PARAMETERS OF THE FIRE MODELED IN A ROAD TUNNEL

Autor: Omar LANCHAVA, Nicolae ILIAS, Sorin Mihai RADU, Leon MAKHARADZE, Teimuraz KUNCHULIA, Nino ARUDASHVILI, Zaza KHOKERASHVILI

Publikováno v: GEORGIAN SCIENTISTS.

The essence of the problem lies in the experimental study of the laws governing the changes in the aerodynamics of air flow and the most important ventilation parameters, taking into account the effect of fire. During the experiments, the aerodynamic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a762ad8951d84e57e4ee6a778c97c921
https://doi.org/10.52340/gs.02.09.235

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NUMERICAL MODELING OF VENTILATION FLOW DISTRIBUTION IS SUBWAY TUNNELS WITH CONSIDERING OF THE PISTON EFFECT

Autor: Omar Lanchava, George Nozadze, Zaza Khokerashvili

Publikováno v: GEORGIAN SCIENTISTS.

Metro is the main transport artery of modern megapolis and represented complicate underground building construction. Because of its multifunctional load, leading industrial states are focused on the issue of arranging subway under modern construction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f1cf65bdeee3385aad23fca59cb8498
https://doi.org/10.52340/gs.02.21.277

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ON THE EVALUATION OF AIR FLOWS CAUSED BY A PISTON EFFECT IN SUBWAY TUNNELS

Autor: Omar Lanchava, Giorgi Nozadze, Zaza Khokerashvili, Nino Arudashvili

Publikováno v: GEORGIAN SCIENTISTS.

The results of numerical simulation of the piston effect in tunnels of a metro in combination with theoretical analysis are given. In the form of tables and graphs given the changes in these values depending on the speed of the train and the filling

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d79640bfd5f331d49957610fc91dee4c
https://doi.org/10.52340/gs.02.21.279

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TO DETERMINATION OF VENTILATION AIR OF THE METRO OF TBILISI BY THERMAL FACTOR

Autor: Omar Lanchava, Giorgi Nozadze, Nino Arudashvili, Zaza Khokerashvili

Publikováno v: GEORGIAN SCIENTISTS.

It is established that the geothermal field of a massif around underground structures located above the neutral layer is non-stationary because of the influence of solar radiation. Below the above marked layer, the formation of the geothermal field o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba567d8c830a6dfdac1c68b4eb073739
https://doi.org/10.52340/gs.02.21.283

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MODELLING THE PISTON EFFECT IN SUBWAY TUNNELS USING FIRE DYNAMICS SIMULATOR

Autor: G. Nozadze, Nino Arudashvili, Sorin Mihai Radu, Nicolae Ilias, Zaza Khokerashvili, Roland Moraru, Omar Lanchava

Publikováno v: Scopus-Elsevier

The influence of the piston effect in subway tunnels depends on a train speed, the geometry of a tunnel and a train, the types of air flow caused by mechanical ventilation and other variable characteristics. Tables and graphs of changes in air flows

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::452442a34a8b0779740ce3c971e948f5
https://doi.org/10.30638/eemj.2019.083

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